merge heads

MyTracks/AndroidManifest.xml

@@ -293,6 +293,7 @@ limitations under the License.
 
     <service android:name="com.google.android.apps.mytracks.services.ControlRecordingService"
              android:exported="false" />
+    <service android:name="com.google.android.apps.mytracks.services.RemoveTempFilesService"/>
 
     <receiver android:name="com.google.android.apps.mytracks.BootReceiver">
       <intent-filter>

MyTracks/src/com/google/android/apps/mytracks/BootReceiver.java

@@ -19,6 +19,7 @@ import static android.content.Intent.ACTION_BOOT_COMPLETED;
 import static com.google.android.apps.mytracks.Constants.RESUME_TRACK_EXTRA_NAME;
 import static com.google.android.apps.mytracks.Constants.TAG;
 
+import com.google.android.apps.mytracks.services.RemoveTempFilesService;
 import com.google.android.apps.mytracks.services.TrackRecordingService;
 
 import android.content.BroadcastReceiver;
@@ -50,6 +51,9 @@ public class BootReceiver extends BroadcastReceiver {
       Intent startIntent = new Intent(context, TrackRecordingService.class);
       startIntent.putExtra(RESUME_TRACK_EXTRA_NAME, true);
       context.startService(startIntent);
+
+      Intent removeTempFilesIntent = new Intent(context, RemoveTempFilesService.class);
+      context.startService(removeTempFilesIntent);
     } else {
       Log.w(TAG, "BootReceiver: unsupported action");
     }

MyTracks/src/com/google/android/apps/mytracks/MyTracks.java

@@ -24,7 +24,6 @@ import com.google.android.apps.mytracks.content.TracksColumns;
 import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.content.WaypointCreationRequest;
 import com.google.android.apps.mytracks.content.WaypointsColumns;
-import com.google.android.apps.mytracks.io.file.TempFileCleaner;
 import com.google.android.apps.mytracks.services.ITrackRecordingService;
 import com.google.android.apps.mytracks.services.ServiceUtils;
 import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
@@ -256,14 +255,9 @@ public class MyTracks extends TabActivity implements OnTouchListener {
   @Override
   protected void onStop() {
     Log.d(TAG, "MyTracks.onStop");
-
     dataHub.stop();
-
     tracker.dispatch();
     tracker.stop();
-
-    // Clean up any temporary track files.
-    TempFileCleaner.clean();
     super.onStop();
   }
 

MyTracks/src/com/google/android/apps/mytracks/MyTracksApplication.java

@@ -16,8 +16,10 @@
 package com.google.android.apps.mytracks;
 
 import com.google.android.apps.mytracks.content.TrackDataHub;
+import com.google.android.apps.mytracks.services.RemoveTempFilesService;
 
 import android.app.Application;
+import android.content.Intent;
 
 /**
  * MyTracksApplication for keeping global state.
@@ -28,6 +30,11 @@ public class MyTracksApplication extends Application {
 
   private TrackDataHub trackDataHub;
 
+  @Override
+  public void onCreate() {
+    startService(new Intent(this, RemoveTempFilesService.class));
+  }
+
   /**
    * Gets the application's TrackDataHub.
    * 

MyTracks/src/com/google/android/apps/mytracks/io/file/TempFileCleaner.java

@@ -1,78 +0,0 @@
-/*
- * Copyright 2010 Google Inc.
- *
- * 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.google.android.apps.mytracks.io.file;
-
-import static com.google.android.apps.mytracks.Constants.TAG;
-
-import com.google.android.apps.mytracks.util.FileUtils;
-
-import android.os.Environment;
-import android.util.Log;
-
-import java.io.File;
-
-/**
- * A class to clean up old temporary files.
- * @author Sandor Dornbush
- */
-public class TempFileCleaner {
-
-  private long currentTimeMillis;
-
-  public static void clean() {
-    (new TempFileCleaner(System.currentTimeMillis())).cleanImpl();
-  }
-
-  // @VisibleForTesting
-  TempFileCleaner(long time) {
-    currentTimeMillis = time;
-  }
-
-  private void cleanImpl() {
-    if (!Environment.getExternalStorageState().equals(
-        Environment.MEDIA_MOUNTED)) {
-      return;  // Can't do anything now.
-    }
-    cleanTmpDirectory("csv");
-    cleanTmpDirectory("gpx");
-    cleanTmpDirectory("kml");
-    cleanTmpDirectory("tcx");
-  }
-
-  private void cleanTmpDirectory(String name) {
-    FileUtils fileUtils = new FileUtils();
-    String dirName = fileUtils.buildExternalDirectoryPath(name, "tmp");
-    cleanTmpDirectory(new File(dirName));
-  }
-
-  // @VisibleForTesting
-  int cleanTmpDirectory(File dir) {
-    if (!dir.exists()) {
-      return 0;
-    }
-    int count = 0;
-    long oldest = currentTimeMillis - 1000 * 3600;
-    for (File f : dir.listFiles()) {
-      if (f.lastModified() < oldest) {
-        if (!f.delete()) {
-          Log.w(TAG, "Failed to delete file " + f.getAbsolutePath());
-        }
-        count++;
-      }
-    }
-    return count;
-  }
-}

MyTracks/src/com/google/android/apps/mytracks/services/RemoveTempFilesService.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * 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.google.android.apps.mytracks.services;
+
+import com.google.android.apps.mytracks.io.file.TrackWriterFactory.TrackFileFormat;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.Context;
+import android.content.Intent;
+import android.os.AsyncTask;
+import android.os.Environment;
+import android.os.IBinder;
+import android.util.Log;
+
+import java.io.File;
+
+/**
+ * A service to remove My Tracks temp files older than one hour on the SD card.
+ *
+ * @author Jimmy Shih
+ */
+public class RemoveTempFilesService extends Service {
+
+  private static final String TAG = RemoveTempFilesService.class.getSimpleName();
+  private static final int ONE_HOUR_IN_MILLISECONDS = 60 * 60 * 1000;
+
+  private RemoveTempFilesAsyncTask removeTempFilesAsyncTask = null;
+
+  @Override
+  public int onStartCommand(Intent intent, int flags, int startId) {
+
+    // Setup an alarm to repeatedly call this service
+    Intent alarmIntent = new Intent(this, RemoveTempFilesService.class);
+    PendingIntent pendingIntent = PendingIntent.getService(
+        this, 0, alarmIntent, PendingIntent.FLAG_CANCEL_CURRENT);
+    AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
+    alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP,
+        System.currentTimeMillis() + ONE_HOUR_IN_MILLISECONDS, AlarmManager.INTERVAL_HOUR,
+        pendingIntent);
+
+    // Invoke the AsyncTask to cleanup the temp files
+    if (removeTempFilesAsyncTask == null
+        || removeTempFilesAsyncTask.getStatus().equals(AsyncTask.Status.FINISHED)) {
+      removeTempFilesAsyncTask = new RemoveTempFilesAsyncTask();
+      removeTempFilesAsyncTask.execute((Void[]) null);
+    }
+    return START_NOT_STICKY;
+  }
+
+  @Override
+  public IBinder onBind(Intent intent) {
+    return null;
+  }
+
+  private class RemoveTempFilesAsyncTask extends AsyncTask<Void, Void, Void> {
+    @Override
+    protected Void doInBackground(Void... params) {
+      if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+        // Can't do anything
+        return null;
+      }
+      cleanTempDirectory(TrackFileFormat.GPX.getExtension());
+      cleanTempDirectory(TrackFileFormat.KML.getExtension());
+      cleanTempDirectory(TrackFileFormat.CSV.getExtension());
+      cleanTempDirectory(TrackFileFormat.TCX.getExtension());
+      return null;
+    }
+
+    @Override
+    protected void onPostExecute(Void result) {
+      stopSelf();
+    }
+  }
+
+  private void cleanTempDirectory(String name) {
+    FileUtils fileUtils = new FileUtils();
+    String dirName = fileUtils.buildExternalDirectoryPath(name, "tmp");
+    File dir = new File(dirName);
+    cleanTempDirectory(dir);
+  }
+  
+  /**
+   * Removes temp files in a directory older than one hour.
+   * 
+   * @param dir the directory
+   * @return the number of files removed.
+   */
+  @VisibleForTesting
+  int cleanTempDirectory(File dir) {
+    if (!dir.exists()) {
+      return 0;
+    }
+    int count = 0;
+    long oneHourAgo = System.currentTimeMillis() - ONE_HOUR_IN_MILLISECONDS;
+    for (File f : dir.listFiles()) {
+      if (f.lastModified() < oneHourAgo) {
+        if (!f.delete()) {
+          Log.e(TAG, "Unable to delete file: " + f.getAbsolutePath());
+        } else {
+          count++;
+        }
+      }
+    }
+    return count;
+  }
+}