| /* |
| * 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; |
| } |
| |
| } |