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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.gallery3d.ingest;
import android.content.Context;
import android.mtp.MtpDevice;
import android.mtp.MtpObjectInfo;
import android.os.Environment;
import android.os.PowerManager;
import com.android.gallery3d.util.GalleryUtils;
import java.io.File;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
public class ImportTask implements Runnable {
public interface Listener {
void onImportProgress(int visitedCount, int totalCount, String pathIfSuccessful);
void onImportFinish(Collection<MtpObjectInfo> objectsNotImported, int visitedCount);
}
static private final String WAKELOCK_LABEL = "MTP Import Task";
private Listener mListener;
private String mDestAlbumName;
private Collection<MtpObjectInfo> mObjectsToImport;
private MtpDevice mDevice;
private PowerManager.WakeLock mWakeLock;
public ImportTask(MtpDevice device, Collection<MtpObjectInfo> objectsToImport,
String destAlbumName, Context context) {
mDestAlbumName = destAlbumName;
mObjectsToImport = objectsToImport;
mDevice = device;
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, WAKELOCK_LABEL);
}
public void setListener(Listener listener) {
mListener = listener;
}
@Override
public void run() {
mWakeLock.acquire();
try {
List<MtpObjectInfo> objectsNotImported = new LinkedList<MtpObjectInfo>();
int visited = 0;
int total = mObjectsToImport.size();
File dest = new File(Environment.getExternalStorageDirectory(), mDestAlbumName);
dest.mkdirs();
for (MtpObjectInfo object : mObjectsToImport) {
visited++;
String importedPath = null;
if (GalleryUtils.hasSpaceForSize(object.getCompressedSize())) {
importedPath = new File(dest, object.getName()).getAbsolutePath();
if (!mDevice.importFile(object.getObjectHandle(), importedPath)) {
importedPath = null;
}
}
if (importedPath == null) {
objectsNotImported.add(object);
}
if (mListener != null) {
mListener.onImportProgress(visited, total, importedPath);
}
}
if (mListener != null) {
mListener.onImportFinish(objectsNotImported, visited);
}
} finally {
mListener = null;
mWakeLock.release();
}
}
}
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