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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.dreams.phototable;
import android.content.Context;
import android.util.Log;
import java.io.InputStream;
import java.util.Collection;
import java.util.LinkedList;
/**
* Picks a random image from the local store.
*/
public class StockSource extends PhotoSource {
private static final String TAG = "PhotoTable.StockSource";
private static final int[] PHOTOS = {R.drawable.photo_044_002,
R.drawable.photo_039_002,
R.drawable.photo_059_003,
R.drawable.photo_070_004,
R.drawable.photo_072_001,
R.drawable.photo_077_002,
R.drawable.photo_098_002,
R.drawable.photo_119_003,
R.drawable.photo_119_004,
R.drawable.photo_126_001,
R.drawable.photo_147_002,
R.drawable.photo_175_004
};
private final LinkedList<ImageData> mImageList;
private int mNextPosition;
public static final int TYPE = 1;
public StockSource(Context context) {
super(context);
mSourceName = TAG;
mImageList = new LinkedList<ImageData>();
fillQueue();
}
@Override
protected Collection<ImageData> findImages(int howMany) {
if (mImageList.isEmpty()) {
for (int i = 0; i < PHOTOS.length; i++) {
ImageData data = new ImageData();
data.type = TYPE;
data.id = Integer.toString(PHOTOS[i]);
mImageList.offer(data);
}
}
return mImageList;
}
@Override
protected InputStream getStream(ImageData data) {
InputStream is = null;
try {
log(TAG, "opening:" + data.id);
is = mResources.openRawResource(Integer.valueOf(data.id));
} catch (Exception ex) {
log(TAG, ex.toString());
is = null;
}
return is;
}
}
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