src/com/android/gallery3d/ingest/IngestService.java

   1 /*
   2  * Copyright (C) 2013 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.gallery3d.ingest;
  18
  19 import android.app.NotificationManager;
  20 import android.app.PendingIntent;
  21 import android.app.Service;
  22 import android.content.Context;
  23 import android.content.Intent;
  24 import android.media.MediaScannerConnection;
  25 import android.media.MediaScannerConnection.MediaScannerConnectionClient;
  26 import android.mtp.MtpDevice;
  27 import android.mtp.MtpDeviceInfo;
  28 import android.mtp.MtpObjectInfo;
  29 import android.net.Uri;
  30 import android.os.Binder;
  31 import android.os.IBinder;
  32 import android.os.SystemClock;
  33 import android.support.v4.app.NotificationCompat;
  34 import android.util.SparseBooleanArray;
  35 import android.widget.Adapter;
  36
  37 import com.android.gallery3d.R;
  38 import com.android.gallery3d.app.NotificationIds;
  39 import com.android.gallery3d.data.MtpClient;
  40 import com.android.gallery3d.util.BucketNames;
  41 import com.android.gallery3d.util.UsageStatistics;
  42
  43 import java.util.ArrayList;
  44 import java.util.Collection;
  45 import java.util.List;
  46
  47 public class IngestService extends Service implements ImportTask.Listener,
  48         MtpDeviceIndex.ProgressListener, MtpClient.Listener {
  49
  50     public class LocalBinder extends Binder {
  51         IngestService getService() {
  52             return IngestService.this;
  53         }
  54     }
  55
  56     private static final int PROGRESS_UPDATE_INTERVAL_MS = 180;
  57
  58     private static MtpClient sClient;
  59
  60     private final IBinder mBinder = new LocalBinder();
  61     private ScannerClient mScannerClient;
  62     private MtpDevice mDevice;
  63     private String mDevicePrettyName;
  64     private MtpDeviceIndex mIndex;
  65     private IngestActivity mClientActivity;
  66     private boolean mRedeliverImportFinish = false;
  67     private int mRedeliverImportFinishCount = 0;
  68     private Collection<MtpObjectInfo> mRedeliverObjectsNotImported;
  69     private boolean mRedeliverNotifyIndexChanged = false;
  70     private boolean mRedeliverIndexFinish = false;
  71     private NotificationManager mNotificationManager;
  72     private NotificationCompat.Builder mNotificationBuilder;
  73     private long mLastProgressIndexTime = 0;
  74     private boolean mNeedRelaunchNotification = false;
  75
  76     @Override
  77     public void onCreate() {
  78         super.onCreate();
  79         mScannerClient = new ScannerClient(this);
  80         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
  81         mNotificationBuilder = new NotificationCompat.Builder(this);
  82         mNotificationBuilder.setSmallIcon(android.R.drawable.stat_notify_sync) // TODO drawable
  83                 .setContentIntent(PendingIntent.getActivity(this, 0, new Intent(this, IngestActivity.class), 0));
  84         mIndex = MtpDeviceIndex.getInstance();
  85         mIndex.setProgressListener(this);
  86
  87         if (sClient == null) {
  88             sClient = new MtpClient(getApplicationContext());
  89         }
  90         List<MtpDevice> devices = sClient.getDeviceList();
  91         if (devices.size() > 0) {
  92             setDevice(devices.get(0));
  93         }
  94         sClient.addListener(this);
  95     }
  96
  97     @Override
  98     public void onDestroy() {
  99         sClient.removeListener(this);
 100         mIndex.unsetProgressListener(this);
 101         super.onDestroy();
 102     }
 103
 104     @Override
 105     public IBinder onBind(Intent intent) {
 106         return mBinder;
 107     }
 108
 109     private void setDevice(MtpDevice device) {
 110         if (mDevice == device) return;
 111         mRedeliverImportFinish = false;
 112         mRedeliverObjectsNotImported = null;
 113         mRedeliverNotifyIndexChanged = false;
 114         mRedeliverIndexFinish = false;
 115         mDevice = device;
 116         mIndex.setDevice(mDevice);
 117         if (mDevice != null) {
 118             MtpDeviceInfo deviceInfo = mDevice.getDeviceInfo();
 119             if (deviceInfo == null) {
 120                 setDevice(null);
 121                 return;
 122             } else {
 123                 mDevicePrettyName = deviceInfo.getModel();
 124                 mNotificationBuilder.setContentTitle(mDevicePrettyName);
 125                 new Thread(mIndex.getIndexRunnable()).start();
 126             }
 127         } else {
 128             mDevicePrettyName = null;
 129         }
 130         if (mClientActivity != null) {
 131             mClientActivity.notifyIndexChanged();
 132         } else {
 133             mRedeliverNotifyIndexChanged = true;
 134         }
 135     }
 136
 137     protected MtpDeviceIndex getIndex() {
 138         return mIndex;
 139     }
 140
 141     protected void setClientActivity(IngestActivity activity) {
 142         if (mClientActivity == activity) return;
 143         mClientActivity = activity;
 144         if (mClientActivity == null) {
 145             if (mNeedRelaunchNotification) {
 146                 mNotificationBuilder.setProgress(0, 0, false)
 147                     .setContentText(getResources().getText(R.string.ingest_scanning_done));
 148                 mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_SCANNING,
 149                     mNotificationBuilder.build());
 150             }
 151             return;
 152         }
 153         mNotificationManager.cancel(NotificationIds.INGEST_NOTIFICATION_IMPORTING);
 154         mNotificationManager.cancel(NotificationIds.INGEST_NOTIFICATION_SCANNING);
 155         if (mRedeliverImportFinish) {
 156             mClientActivity.onImportFinish(mRedeliverObjectsNotImported,
 157                     mRedeliverImportFinishCount);
 158             mRedeliverImportFinish = false;
 159             mRedeliverObjectsNotImported = null;
 160         }
 161         if (mRedeliverNotifyIndexChanged) {
 162             mClientActivity.notifyIndexChanged();
 163             mRedeliverNotifyIndexChanged = false;
 164         }
 165         if (mRedeliverIndexFinish) {
 166             mClientActivity.onIndexFinish();
 167             mRedeliverIndexFinish = false;
 168         }
 169     }
 170
 171     protected void importSelectedItems(SparseBooleanArray selected, Adapter adapter) {
 172         List<MtpObjectInfo> importHandles = new ArrayList<MtpObjectInfo>();
 173         for (int i = 0; i < selected.size(); i++) {
 174             if (selected.valueAt(i)) {
 175                 Object item = adapter.getItem(selected.keyAt(i));
 176                 if (item instanceof MtpObjectInfo) {
 177                     importHandles.add(((MtpObjectInfo) item));
 178                 }
 179             }
 180         }
 181         ImportTask task = new ImportTask(mDevice, importHandles, BucketNames.IMPORTED, this);
 182         task.setListener(this);
 183         mNotificationBuilder.setProgress(0, 0, true)
 184             .setContentText(getResources().getText(R.string.ingest_importing));
 185         startForeground(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
 186                     mNotificationBuilder.build());
 187         new Thread(task).start();
 188     }
 189
 190     @Override
 191     public void deviceAdded(MtpDevice device) {
 192         if (mDevice == null) {
 193             setDevice(device);
 194             UsageStatistics.onEvent(UsageStatistics.COMPONENT_IMPORTER,
 195                     "DeviceConnected", null);
 196         }
 197     }
 198
 199     @Override
 200     public void deviceRemoved(MtpDevice device) {
 201         if (device == mDevice) {
 202             setDevice(null);
 203             mNeedRelaunchNotification = false;
 204             mNotificationManager.cancel(NotificationIds.INGEST_NOTIFICATION_SCANNING);
 205         }
 206     }
 207
 208     @Override
 209     public void onImportProgress(int visitedCount, int totalCount,
 210             String pathIfSuccessful) {
 211         if (pathIfSuccessful != null) {
 212             mScannerClient.scanPath(pathIfSuccessful);
 213         }
 214         mNeedRelaunchNotification = false;
 215         if (mClientActivity != null) {
 216             mClientActivity.onImportProgress(visitedCount, totalCount, pathIfSuccessful);
 217         }
 218         mNotificationBuilder.setProgress(totalCount, visitedCount, false)
 219             .setContentText(getResources().getText(R.string.ingest_importing));
 220         mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
 221                 mNotificationBuilder.build());
 222     }
 223
 224     @Override
 225     public void onImportFinish(Collection<MtpObjectInfo> objectsNotImported,
 226             int visitedCount) {
 227         stopForeground(true);
 228         mNeedRelaunchNotification = true;
 229         if (mClientActivity != null) {
 230             mClientActivity.onImportFinish(objectsNotImported, visitedCount);
 231         } else {
 232             mRedeliverImportFinish = true;
 233             mRedeliverObjectsNotImported = objectsNotImported;
 234             mRedeliverImportFinishCount = visitedCount;
 235             mNotificationBuilder.setProgress(0, 0, false)
 236                 .setContentText(getResources().getText(R.string.import_complete));
 237             mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
 238                     mNotificationBuilder.build());
 239         }
 240         UsageStatistics.onEvent(UsageStatistics.COMPONENT_IMPORTER,
 241                 "ImportFinished", null, visitedCount);
 242     }
 243
 244     @Override
 245     public void onObjectIndexed(MtpObjectInfo object, int numVisited) {
 246         mNeedRelaunchNotification = false;
 247         if (mClientActivity != null) {
 248             mClientActivity.onObjectIndexed(object, numVisited);
 249         } else {
 250             // Throttle the updates to one every PROGRESS_UPDATE_INTERVAL_MS milliseconds
 251             long currentTime = SystemClock.uptimeMillis();
 252             if (currentTime > mLastProgressIndexTime + PROGRESS_UPDATE_INTERVAL_MS) {
 253                 mLastProgressIndexTime = currentTime;
 254                 mNotificationBuilder.setProgress(0, numVisited, true)
 255                         .setContentText(getResources().getText(R.string.ingest_scanning));
 256                 mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_SCANNING,
 257                         mNotificationBuilder.build());
 258             }
 259         }
 260     }
 261
 262     @Override
 263     public void onSorting() {
 264         if (mClientActivity != null) mClientActivity.onSorting();
 265     }
 266
 267     @Override
 268     public void onIndexFinish() {
 269         mNeedRelaunchNotification = true;
 270         if (mClientActivity != null) {
 271             mClientActivity.onIndexFinish();
 272         } else {
 273             mNotificationBuilder.setProgress(0, 0, false)
 274                 .setContentText(getResources().getText(R.string.ingest_scanning_done));
 275             mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_SCANNING,
 276                     mNotificationBuilder.build());
 277             mRedeliverIndexFinish = true;
 278         }
 279     }
 280
 281     // Copied from old Gallery3d code
 282     private static final class ScannerClient implements MediaScannerConnectionClient {
 283         ArrayList<String> mPaths = new ArrayList<String>();
 284         MediaScannerConnection mScannerConnection;
 285         boolean mConnected;
 286         Object mLock = new Object();
 287
 288         public ScannerClient(Context context) {
 289             mScannerConnection = new MediaScannerConnection(context, this);
 290         }
 291
 292         public void scanPath(String path) {
 293             synchronized (mLock) {
 294                 if (mConnected) {
 295                     mScannerConnection.scanFile(path, null);
 296                 } else {
 297                     mPaths.add(path);
 298                     mScannerConnection.connect();
 299                 }
 300             }
 301         }
 302
 303         @Override
 304         public void onMediaScannerConnected() {
 305             synchronized (mLock) {
 306                 mConnected = true;
 307                 if (!mPaths.isEmpty()) {
 308                     for (String path : mPaths) {
 309                         mScannerConnection.scanFile(path, null);
 310                     }
 311                     mPaths.clear();
 312                 }
 313             }
 314         }
 315
 316         @Override
 317         public void onScanCompleted(String path, Uri uri) {
 318         }
 319     }
 320 }