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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.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.media.MediaScannerConnection;
import android.media.MediaScannerConnection.MediaScannerConnectionClient;
import android.mtp.MtpDevice;
import android.mtp.MtpDeviceInfo;
import android.mtp.MtpObjectInfo;
import android.net.Uri;
import android.os.Binder;
import android.os.IBinder;
import android.os.SystemClock;
import android.support.v4.app.NotificationCompat;
import android.util.SparseBooleanArray;
import android.widget.Adapter;
import com.android.gallery3d.R;
import com.android.gallery3d.app.NotificationIds;
import com.android.gallery3d.data.MtpClient;
import com.android.gallery3d.ingest.ui.MtpBitmapCache;
import com.android.gallery3d.util.BucketNames;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
public class IngestService extends Service implements ImportTask.Listener,
MtpDeviceIndex.ProgressListener, MtpClient.Listener {
public class LocalBinder extends Binder {
IngestService getService() {
return IngestService.this;
}
}
private static final int PROGRESS_UPDATE_INTERVAL_MS = 180;
private static MtpClient sClient;
private final IBinder mBinder = new LocalBinder();
private ScannerClient mScannerClient;
private MtpDevice mDevice;
private String mDevicePrettyName;
private MtpDeviceIndex mIndex;
private IngestActivity mClientActivity;
private boolean mRedeliverImportFinish = false;
private Collection<MtpObjectInfo> mRedeliverObjectsNotImported;
private boolean mRedeliverNotifyIndexChanged = false;
private NotificationManager mNotificationManager;
private NotificationCompat.Builder mNotificationBuilder;
private long mLastProgressIndexTime = 0;
@Override
public void onCreate() {
super.onCreate();
mScannerClient = new ScannerClient(this);
mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
mNotificationBuilder = new NotificationCompat.Builder(this);
mNotificationBuilder.setSmallIcon(android.R.drawable.stat_notify_sync) // TODO drawable
.setContentIntent(PendingIntent.getActivity(this, 0, new Intent(this, IngestActivity.class), 0));
mIndex = MtpDeviceIndex.getInstance();
mIndex.setProgressListener(this);
if (sClient == null) {
sClient = new MtpClient(getApplicationContext());
}
List<MtpDevice> devices = sClient.getDeviceList();
if (devices.size() > 0) {
setDevice(devices.get(0));
}
sClient.addListener(this);
}
@Override
public void onDestroy() {
sClient.removeListener(this);
mIndex.unsetProgressListener(this);
super.onDestroy();
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
private void setDevice(MtpDevice device) {
if (mDevice == device) return;
mRedeliverImportFinish = false;
mRedeliverObjectsNotImported = null;
mRedeliverNotifyIndexChanged = false;
mDevice = device;
mIndex.setDevice(mDevice);
if (mDevice != null) {
MtpDeviceInfo deviceInfo = mDevice.getDeviceInfo();
mDevicePrettyName = deviceInfo.getModel();
mNotificationBuilder.setContentTitle(mDevicePrettyName);
new Thread(mIndex.getIndexRunnable()).start();
} else {
mDevicePrettyName = null;
}
if (mClientActivity != null) {
mClientActivity.notifyIndexChanged();
} else {
mRedeliverNotifyIndexChanged = true;
}
}
protected MtpDeviceIndex getIndex() {
return mIndex;
}
protected void setClientActivity(IngestActivity activity) {
if (mClientActivity == activity) return;
mClientActivity = activity;
if (mClientActivity == null) return;
mNotificationManager.cancel(NotificationIds.INGEST_NOTIFICATION_IMPORTING);
mNotificationManager.cancel(NotificationIds.INGEST_NOTIFICATION_SCANNING);
if (mRedeliverImportFinish) {
mClientActivity.onImportFinish(mRedeliverObjectsNotImported);
mRedeliverImportFinish = false;
mRedeliverObjectsNotImported = null;
}
if (mRedeliverNotifyIndexChanged) {
mClientActivity.notifyIndexChanged();
mRedeliverNotifyIndexChanged = false;
}
}
protected void importSelectedItems(SparseBooleanArray selected, Adapter adapter) {
List<MtpObjectInfo> importHandles = new ArrayList<MtpObjectInfo>();
for (int i = 0; i < selected.size(); i++) {
if (selected.valueAt(i)) {
Object item = adapter.getItem(selected.keyAt(i));
if (item instanceof MtpObjectInfo) {
importHandles.add(((MtpObjectInfo) item));
}
}
}
ImportTask task = new ImportTask(mDevice, importHandles, BucketNames.IMPORTED, this);
task.setListener(this);
mNotificationBuilder.setProgress(0, 0, true)
.setContentText(getResources().getText(R.string.ingest_importing));
startForeground(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
mNotificationBuilder.build());
new Thread(task).start();
}
@Override
public void deviceAdded(MtpDevice device) {
if (mDevice == null) {
setDevice(device);
}
}
@Override
public void deviceRemoved(MtpDevice device) {
if (device == mDevice) {
setDevice(null);
}
MtpBitmapCache.onDeviceDisconnected(device);
}
@Override
public void onImportProgress(int visitedCount, int totalCount,
String pathIfSuccessful) {
if (pathIfSuccessful != null) {
mScannerClient.scanPath(pathIfSuccessful);
}
if (mClientActivity != null) {
mClientActivity.onImportProgress(visitedCount, totalCount, pathIfSuccessful);
}
mNotificationBuilder.setProgress(totalCount, visitedCount, false)
.setContentText(getResources().getText(R.string.ingest_importing));
mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
mNotificationBuilder.build());
}
@Override
public void onImportFinish(Collection<MtpObjectInfo> objectsNotImported) {
if (mClientActivity != null) {
mClientActivity.onImportFinish(objectsNotImported);
} else {
mRedeliverImportFinish = true;
mRedeliverObjectsNotImported = objectsNotImported;
mNotificationBuilder.setProgress(0, 0, false)
.setContentText(getResources().getText(R.string.import_complete));
mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
mNotificationBuilder.build());
}
stopForeground(mClientActivity != null);
}
@Override
public void onObjectIndexed(MtpObjectInfo object, int numVisited) {
if (mClientActivity != null) {
mClientActivity.onObjectIndexed(object, numVisited);
} else {
// Throttle the updates to one every PROGRESS_UPDATE_INTERVAL_MS milliseconds
long currentTime = SystemClock.uptimeMillis();
if (currentTime > mLastProgressIndexTime + PROGRESS_UPDATE_INTERVAL_MS) {
mLastProgressIndexTime = currentTime;
mNotificationBuilder.setProgress(0, numVisited, true)
.setContentText(getResources().getText(R.string.ingest_scanning));
mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_SCANNING,
mNotificationBuilder.build());
}
}
}
@Override
public void onSorting() {
if (mClientActivity != null) mClientActivity.onSorting();
}
@Override
public void onIndexFinish() {
if (mClientActivity != null) {
mClientActivity.onIndexFinish();
} else {
mNotificationBuilder.setProgress(0, 0, false)
.setContentText(getResources().getText(R.string.ingest_scanning_done));
mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_SCANNING,
mNotificationBuilder.build());
}
}
// Copied from old Gallery3d code
private static final class ScannerClient implements MediaScannerConnectionClient {
ArrayList<String> mPaths = new ArrayList<String>();
MediaScannerConnection mScannerConnection;
boolean mConnected;
Object mLock = new Object();
public ScannerClient(Context context) {
mScannerConnection = new MediaScannerConnection(context, this);
}
public void scanPath(String path) {
synchronized (mLock) {
if (mConnected) {
mScannerConnection.scanFile(path, null);
} else {
mPaths.add(path);
mScannerConnection.connect();
}
}
}
@Override
public void onMediaScannerConnected() {
synchronized (mLock) {
mConnected = true;
if (!mPaths.isEmpty()) {
for (String path : mPaths) {
mScannerConnection.scanFile(path, null);
}
mPaths.clear();
}
}
}
@Override
public void onScanCompleted(String path, Uri uri) {
}
}
}