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.ingest.data.MtpBitmapFetch;
  41 import com.android.gallery3d.util.BucketNames;
  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 Collection<MtpObjectInfo> mRedeliverObjectsNotImported;
  68     private boolean mRedeliverNotifyIndexChanged = false;
  69     private boolean mRedeliverIndexFinish = false;
  70     private NotificationManager mNotificationManager;
  71     private NotificationCompat.Builder mNotificationBuilder;
  72     private long mLastProgressIndexTime = 0;
  73
  74     @Override
  75     public void onCreate() {
  76         super.onCreate();
  77         mScannerClient = new ScannerClient(this);
  78         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
  79         mNotificationBuilder = new NotificationCompat.Builder(this);
  80         mNotificationBuilder.setSmallIcon(android.R.drawable.stat_notify_sync) // TODO drawable
  81                 .setContentIntent(PendingIntent.getActivity(this, 0, new Intent(this, IngestActivity.class), 0));
  82         mIndex = MtpDeviceIndex.getInstance();
  83         mIndex.setProgressListener(this);
  84
  85         if (sClient == null) {
  86             sClient = new MtpClient(getApplicationContext());
  87         }
  88         List<MtpDevice> devices = sClient.getDeviceList();
  89         if (devices.size() > 0) {
  90             setDevice(devices.get(0));
  91         }
  92         sClient.addListener(this);
  93     }
  94
  95     @Override
  96     public void onDestroy() {
  97         sClient.removeListener(this);
  98         mIndex.unsetProgressListener(this);
  99         super.onDestroy();
 100     }
 101
 102     @Override
 103     public IBinder onBind(Intent intent) {
 104         return mBinder;
 105     }
 106
 107     private void setDevice(MtpDevice device) {
 108         if (mDevice == device) return;
 109         mRedeliverImportFinish = false;
 110         mRedeliverObjectsNotImported = null;
 111         mRedeliverNotifyIndexChanged = false;
 112         mRedeliverIndexFinish = false;
 113         mDevice = device;
 114         mIndex.setDevice(mDevice);
 115         if (mDevice != null) {
 116             MtpDeviceInfo deviceInfo = mDevice.getDeviceInfo();
 117             if (deviceInfo == null) {
 118                 setDevice(null);
 119                 return;
 120             } else {
 121                 mDevicePrettyName = deviceInfo.getModel();
 122                 mNotificationBuilder.setContentTitle(mDevicePrettyName);
 123                 new Thread(mIndex.getIndexRunnable()).start();
 124             }
 125         } else {
 126             mDevicePrettyName = null;
 127         }
 128         if (mClientActivity != null) {
 129             mClientActivity.notifyIndexChanged();
 130         } else {
 131             mRedeliverNotifyIndexChanged = true;
 132         }
 133     }
 134
 135     protected MtpDeviceIndex getIndex() {
 136         return mIndex;
 137     }
 138
 139     protected void setClientActivity(IngestActivity activity) {
 140         if (mClientActivity == activity) return;
 141         mClientActivity = activity;
 142         if (mClientActivity == null) return;
 143         mNotificationManager.cancel(NotificationIds.INGEST_NOTIFICATION_IMPORTING);
 144         mNotificationManager.cancel(NotificationIds.INGEST_NOTIFICATION_SCANNING);
 145         if (mRedeliverImportFinish) {
 146             mClientActivity.onImportFinish(mRedeliverObjectsNotImported);
 147             mRedeliverImportFinish = false;
 148             mRedeliverObjectsNotImported = null;
 149         }
 150         if (mRedeliverNotifyIndexChanged) {
 151             mClientActivity.notifyIndexChanged();
 152             mRedeliverNotifyIndexChanged = false;
 153         }
 154         if (mRedeliverIndexFinish) {
 155             mClientActivity.onIndexFinish();
 156             mRedeliverIndexFinish = false;
 157         }
 158     }
 159
 160     protected void importSelectedItems(SparseBooleanArray selected, Adapter adapter) {
 161         List<MtpObjectInfo> importHandles = new ArrayList<MtpObjectInfo>();
 162         for (int i = 0; i < selected.size(); i++) {
 163             if (selected.valueAt(i)) {
 164                 Object item = adapter.getItem(selected.keyAt(i));
 165                 if (item instanceof MtpObjectInfo) {
 166                     importHandles.add(((MtpObjectInfo) item));
 167                 }
 168             }
 169         }
 170         ImportTask task = new ImportTask(mDevice, importHandles, BucketNames.IMPORTED, this);
 171         task.setListener(this);
 172         mNotificationBuilder.setProgress(0, 0, true)
 173             .setContentText(getResources().getText(R.string.ingest_importing));
 174         startForeground(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
 175                     mNotificationBuilder.build());
 176         new Thread(task).start();
 177     }
 178
 179     @Override
 180     public void deviceAdded(MtpDevice device) {
 181         if (mDevice == null) {
 182             setDevice(device);
 183         }
 184     }
 185
 186     @Override
 187     public void deviceRemoved(MtpDevice device) {
 188         if (device == mDevice) {
 189             setDevice(null);
 190         }
 191     }
 192
 193     @Override
 194     public void onImportProgress(int visitedCount, int totalCount,
 195             String pathIfSuccessful) {
 196         if (pathIfSuccessful != null) {
 197             mScannerClient.scanPath(pathIfSuccessful);
 198         }
 199         if (mClientActivity != null) {
 200             mClientActivity.onImportProgress(visitedCount, totalCount, pathIfSuccessful);
 201         }
 202         mNotificationBuilder.setProgress(totalCount, visitedCount, false)
 203             .setContentText(getResources().getText(R.string.ingest_importing));
 204         mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
 205                 mNotificationBuilder.build());
 206     }
 207
 208     @Override
 209     public void onImportFinish(Collection<MtpObjectInfo> objectsNotImported) {
 210         stopForeground(true);
 211         if (mClientActivity != null) {
 212             mClientActivity.onImportFinish(objectsNotImported);
 213         } else {
 214             mRedeliverImportFinish = true;
 215             mRedeliverObjectsNotImported = objectsNotImported;
 216             mNotificationBuilder.setProgress(0, 0, false)
 217                 .setContentText(getResources().getText(R.string.import_complete));
 218             mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_IMPORTING,
 219                     mNotificationBuilder.build());
 220         }
 221     }
 222
 223     @Override
 224     public void onObjectIndexed(MtpObjectInfo object, int numVisited) {
 225         if (mClientActivity != null) {
 226             mClientActivity.onObjectIndexed(object, numVisited);
 227         } else {
 228             // Throttle the updates to one every PROGRESS_UPDATE_INTERVAL_MS milliseconds
 229             long currentTime = SystemClock.uptimeMillis();
 230             if (currentTime > mLastProgressIndexTime + PROGRESS_UPDATE_INTERVAL_MS) {
 231                 mLastProgressIndexTime = currentTime;
 232                 mNotificationBuilder.setProgress(0, numVisited, true)
 233                         .setContentText(getResources().getText(R.string.ingest_scanning));
 234                 mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_SCANNING,
 235                         mNotificationBuilder.build());
 236             }
 237         }
 238     }
 239
 240     @Override
 241     public void onSorting() {
 242         if (mClientActivity != null) mClientActivity.onSorting();
 243     }
 244
 245     @Override
 246     public void onIndexFinish() {
 247         if (mClientActivity != null) {
 248             mClientActivity.onIndexFinish();
 249         } else {
 250             mNotificationBuilder.setProgress(0, 0, false)
 251                 .setContentText(getResources().getText(R.string.ingest_scanning_done));
 252             mNotificationManager.notify(NotificationIds.INGEST_NOTIFICATION_SCANNING,
 253                     mNotificationBuilder.build());
 254             mRedeliverIndexFinish = true;
 255         }
 256     }
 257
 258     // Copied from old Gallery3d code
 259     private static final class ScannerClient implements MediaScannerConnectionClient {
 260         ArrayList<String> mPaths = new ArrayList<String>();
 261         MediaScannerConnection mScannerConnection;
 262         boolean mConnected;
 263         Object mLock = new Object();
 264
 265         public ScannerClient(Context context) {
 266             mScannerConnection = new MediaScannerConnection(context, this);
 267         }
 268
 269         public void scanPath(String path) {
 270             synchronized (mLock) {
 271                 if (mConnected) {
 272                     mScannerConnection.scanFile(path, null);
 273                 } else {
 274                     mPaths.add(path);
 275                     mScannerConnection.connect();
 276                 }
 277             }
 278         }
 279
 280         @Override
 281         public void onMediaScannerConnected() {
 282             synchronized (mLock) {
 283                 mConnected = true;
 284                 if (!mPaths.isEmpty()) {
 285                     for (String path : mPaths) {
 286                         mScannerConnection.scanFile(path, null);
 287                     }
 288                     mPaths.clear();
 289                 }
 290             }
 291         }
 292
 293         @Override
 294         public void onScanCompleted(String path, Uri uri) {
 295         }
 296     }
 297 }