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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;
import com.android.gallery3d.provider.GalleryProvider;
import com.android.gallery3d.util.ThreadPool;
import com.android.gallery3d.util.ThreadPool.Job;
import com.android.gallery3d.util.ThreadPool.JobContext;
import android.graphics.Bitmap;
import android.graphics.BitmapRegionDecoder;
import android.hardware.usb.UsbDevice;
import android.mtp.MtpObjectInfo;
import android.net.Uri;
import android.util.Log;
import java.text.DateFormat;
import java.util.Date;
public class MtpImage extends MediaItem {
private static final String TAG = "MtpImage";
private final int mDeviceId;
private int mObjectId;
private int mObjectSize;
private long mDateTaken;
private String mFileName;
private final ThreadPool mThreadPool;
private final MtpContext mMtpContext;
private final MtpObjectInfo mObjInfo;
private final int mImageWidth;
private final int mImageHeight;
MtpImage(Path path, GalleryApp application, int deviceId,
MtpObjectInfo objInfo, MtpContext mtpContext) {
super(path, nextVersionNumber());
mDeviceId = deviceId;
mObjInfo = objInfo;
mObjectId = objInfo.getObjectHandle();
mObjectSize = objInfo.getCompressedSize();
mDateTaken = objInfo.getDateCreated();
mFileName = objInfo.getName();
mImageWidth = objInfo.getImagePixWidth();
mImageHeight = objInfo.getImagePixHeight();
mThreadPool = application.getThreadPool();
mMtpContext = mtpContext;
}
MtpImage(Path path, GalleryApp app, int deviceId, int objectId, MtpContext mtpContext) {
this(path, app, deviceId, MtpDevice.getObjectInfo(mtpContext, deviceId, objectId),
mtpContext);
}
@Override
public long getDateInMs() {
return mDateTaken;
}
@Override
public Job<Bitmap> requestImage(int type) {
return new Job<Bitmap>() {
public Bitmap run(JobContext jc) {
GetThumbnailBytes job = new GetThumbnailBytes();
byte[] thumbnail = mThreadPool.submit(job).get();
if (thumbnail == null) {
Log.w(TAG, "decoding thumbnail failed");
return null;
}
return DecodeUtils.requestDecode(jc, thumbnail, null);
}
};
}
@Override
public Job<BitmapRegionDecoder> requestLargeImage() {
return new Job<BitmapRegionDecoder>() {
public BitmapRegionDecoder run(JobContext jc) {
byte[] bytes = mMtpContext.getMtpClient().getObject(
UsbDevice.getDeviceName(mDeviceId), mObjectId, mObjectSize);
return DecodeUtils.requestCreateBitmapRegionDecoder(
jc, bytes, 0, bytes.length, false);
}
};
}
public byte[] getImageData() {
return mMtpContext.getMtpClient().getObject(
UsbDevice.getDeviceName(mDeviceId), mObjectId, mObjectSize);
}
@Override
public boolean Import() {
return mMtpContext.copyFile(UsbDevice.getDeviceName(mDeviceId), mObjInfo);
}
@Override
public int getSupportedOperations() {
return SUPPORT_FULL_IMAGE | SUPPORT_IMPORT;
}
private class GetThumbnailBytes implements Job<byte[]> {
public byte[] run(JobContext jc) {
return mMtpContext.getMtpClient().getThumbnail(
UsbDevice.getDeviceName(mDeviceId), mObjectId);
}
}
public void updateContent(MtpObjectInfo info) {
if (mObjectId != info.getObjectHandle() || mDateTaken != info.getDateCreated()) {
mObjectId = info.getObjectHandle();
mDateTaken = info.getDateCreated();
mDataVersion = nextVersionNumber();
}
}
@Override
public String getMimeType() {
// Currently only JPEG is supported in MTP.
return "image/jpeg";
}
@Override
public int getMediaType() {
return MEDIA_TYPE_IMAGE;
}
@Override
public long getSize() {
return mObjectSize;
}
@Override
public Uri getContentUri() {
return GalleryProvider.BASE_URI.buildUpon()
.appendEncodedPath(mPath.toString().substring(1))
.build();
}
@Override
public MediaDetails getDetails() {
MediaDetails details = super.getDetails();
DateFormat formater = DateFormat.getDateTimeInstance();
details.addDetail(MediaDetails.INDEX_TITLE, mFileName);
details.addDetail(MediaDetails.INDEX_DATETIME, formater.format(new Date(mDateTaken)));
details.addDetail(MediaDetails.INDEX_WIDTH, mImageWidth);
details.addDetail(MediaDetails.INDEX_HEIGHT, mImageHeight);
details.addDetail(MediaDetails.INDEX_SIZE, Long.valueOf(mObjectSize));
return details;
}
}
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