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/*
* Copyright (C) 2013 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.photos.drawables;
import android.mtp.MtpDevice;
import android.mtp.MtpObjectInfo;
import com.android.gallery3d.ingest.MtpDeviceIndex;
import java.io.InputStream;
public class MtpThumbnailDrawable extends AutoThumbnailDrawable<MtpObjectInfo> {
public void setImage(MtpObjectInfo data) {
if (data == null) {
setImage(null, 0, 0);
} else {
setImage(data, data.getImagePixWidth(), data.getImagePixHeight());
}
}
@Override
protected byte[] getPreferredImageBytes(MtpObjectInfo data) {
if (data == null) {
return null;
}
MtpDevice device = MtpDeviceIndex.getInstance().getDevice();
if (device != null) {
return device.getThumbnail(data.getObjectHandle());
} else {
return null;
}
}
@Override
protected InputStream getFallbackImageStream(MtpObjectInfo data) {
// No fallback
return null;
}
@Override
protected boolean dataChangedLocked(MtpObjectInfo data) {
// We only fetch the MtpObjectInfo once when creating
// the index so checking the reference is enough
return mData == data;
}
}
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