Remove SELECTED_TRACK type from TrackDataHub.

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

@@ -172,9 +172,6 @@ public class DataSourceManager {
    */
   private void registerListener(TrackDataType trackDataType) {
     switch (trackDataType) {
-      case SELECTED_TRACK:
-        // Do nothing
-        break;
       case TRACKS_TABLE:
         dataSource.registerContentObserver(TracksColumns.CONTENT_URI, tracksTableObserver);
         break;
@@ -203,9 +200,6 @@ public class DataSourceManager {
    */
   private void unregisterListener(TrackDataType trackDataType) {
     switch (trackDataType) {
-      case SELECTED_TRACK:
-        // Do nothing
-        break;
       case TRACKS_TABLE:
         dataSource.unregisterContentObserver(tracksTableObserver);
         break;

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

@@ -342,7 +342,6 @@ public class TrackDataHub implements DataSourceListener {
       trackDataListener.onMinRecordingDistanceChanged(minRecordingDistance);
     }
 
-    notifySelectedTrackChanged(trackDataManager.getListeners(TrackDataType.SELECTED_TRACK));
     notifyTracksTableUpdate(trackDataManager.getListeners(TrackDataType.TRACKS_TABLE));
 
     for (TrackDataListener listener :
@@ -371,10 +370,6 @@ public class TrackDataHub implements DataSourceListener {
       trackDataListener.onMinRecordingDistanceChanged(minRecordingDistance);
     }
 
-    if (trackDataTypes.contains(TrackDataType.SELECTED_TRACK)) {
-      notifySelectedTrackChanged(trackDataListeners);
-    }
-
     if (trackDataTypes.contains(TrackDataType.TRACKS_TABLE)) {
       notifyTracksTableUpdate(trackDataListeners);
     }
@@ -398,21 +393,6 @@ public class TrackDataHub implements DataSourceListener {
     }
   }
 
-  /**
-   * Notifies selected track changed. To be run in the {@link #handler} thread.
-   * 
-   * @param trackDataListeners the track data listeners to notify
-   */
-  private void notifySelectedTrackChanged(Set<TrackDataListener> trackDataListeners) {
-    if (trackDataListeners.isEmpty()) {
-      return;
-    }
-    Track track = myTracksProviderUtils.getTrack(selectedTrackId);
-    for (TrackDataListener trackDataListener : trackDataListeners) {
-      trackDataListener.onSelectedTrackChanged(track);
-    }
-  }
-
   /**
    * Notifies track table update. To be run in the {@link #handler} thread.
    * 

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

@@ -34,17 +34,6 @@ public interface TrackDataListener {
     DISABLED, NO_FIX, BAD_FIX, GOOD_FIX;
   }
 
-  /**
-   * Called when the selected track changes. This will be followed by calls to
-   * data methods such as {@link #onTrackUpdated(Track)},
-   * {@link #clearTrackPoints()}, {@link #onSampledInTrackPoint(Location)},
-   * etc., even if no track is currently selected (in which case you'll only get
-   * calls to clear the current data).
-   * 
-   * @param track the selected track or null if no track is selected
-   */
-  public void onSelectedTrackChanged(Track track);
-
   /**
    * Called when the track or its statistics has been updated.
    * 

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

@@ -22,7 +22,6 @@ package com.google.android.apps.mytracks.content;
  * @author Jimmy Shih
  */
 public enum TrackDataType {
-  SELECTED_TRACK, // selected track changes
   TRACKS_TABLE, // tracks table changes
   WAYPOINTS_TABLE, // waypoints table changes
   SAMPLED_IN_TRACK_POINTS_TABLE, // sampled-in track points table changes

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

@@ -155,11 +155,6 @@ public class ChartFragment extends Fragment implements TrackDataListener {
     layout.removeView(chartView);
   }
 
-  @Override
-  public void onSelectedTrackChanged(Track track) {
-    // We don't care.
-  }
-
   @Override
   public void onTrackUpdated(Track track) {
     if (isResumed()) {

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

@@ -376,11 +376,6 @@ public class MyTracksMapFragment extends SupportMapFragment implements TrackData
     return true;
   }
 
-  @Override
-  public void onSelectedTrackChanged(final Track track) {
-    // We don't care.
-  }
-  
   @Override
   public void onTrackUpdated(Track track) {
     currentTrack = track;

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

@@ -100,11 +100,6 @@ public class StatsFragment extends Fragment implements TrackDataListener {
     handler.removeCallbacks(updateTotalTime);
   }
 
-  @Override
-  public void onSelectedTrackChanged(Track track) {
-    // We don't care.
-  }
-
   @Override
   public void onTrackUpdated(final Track track) {
     if (isResumed()) {

MyTracksTest/src/com/google/android/apps/mytracks/content/TrackDataHubTest.java

@@ -712,23 +712,6 @@ public class TrackDataHubTest extends AndroidTestCase {
     }
   }
 
-  /**
-   * Tests the method {@link TrackDataHub#start()}.
-   */
-  public void testRegisterSelectedTrackListener() {
-    dataSource.registerOnSharedPreferenceChangeListener(capture(preferenceChangeListenerCapture));
-    Track track = TrackStubUtils.createTrack(1);
-    expect(myTracksProviderUtils.getTrack(capture(new Capture<Long>()))).andReturn(track);
-    // Make the track id is unique.
-    PreferencesUtils.setLong(context, R.string.recording_track_id_key, System.currentTimeMillis());
-    trackDataListener1.onSelectedTrackChanged(track);
-    replay();
-    trackDataHub.start();
-    trackDataHub.registerTrackDataListener(
-        trackDataListener1, EnumSet.of(TrackDataType.SELECTED_TRACK));
-    verifyAndReset();
-  }
-
   /**
    * Tests the method {@link TrackDataHub#start()}.
    */