Code refactor. Remove DynamicSpeedTrackPathDescriptor's dependency on selected_track_id_key.

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

@@ -22,6 +22,7 @@ import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
 import com.google.android.apps.mytracks.maps.TrackPath;
 import com.google.android.apps.mytracks.maps.TrackPathFactory;
+import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
@@ -209,17 +210,19 @@ public class MapOverlay {
    * 
    * @param googleMap the google map
    * @param paths the paths
+   * @param tripStatistics the trip statistics
    * @param reload true to reload all points
    * @return true if has the start marker
    */
-  public boolean update(GoogleMap googleMap, ArrayList<Polyline> paths, boolean reload) {
+  public boolean update(GoogleMap googleMap, ArrayList<Polyline> paths,
+      TripStatistics tripStatistics, boolean reload) {
     synchronized (locations) {
       boolean hasStartMarker = false;
       // Merge pendingLocations with locations
       int newLocations = pendingLocations.drainTo(locations);
       // Call updateState first because we want to update its state each time
       // (for dynamic coloring)
-      if (trackPath.updateState() || reload) {
+      if (trackPath.updateState(tripStatistics) || reload) {
         googleMap.clear();
         paths.clear();
         trackPath.updatePath(googleMap, paths, 0, locations);

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

@@ -426,8 +426,9 @@ public class MyTracksMapFragment extends SupportMapFragment implements TrackData
     if (isResumed()) {
       getActivity().runOnUiThread(new Runnable() {
         public void run() {
-          if (isResumed() && googleMap != null) {
+          if (isResumed() && googleMap != null && currentTrack != null) {
-            boolean hasStartMarker = mapOverlay.update(googleMap, paths, reloadPaths);
+            boolean hasStartMarker = mapOverlay.update(
+                googleMap, paths, currentTrack.getTripStatistics(), reloadPaths);
 
             /*
              * If has the start marker, then don't need to reload the paths each
@@ -470,8 +471,8 @@ public class MyTracksMapFragment extends SupportMapFragment implements TrackData
     if (isResumed()) {
       getActivity().runOnUiThread(new Runnable() {
         public void run() {
-          if (isResumed() && googleMap != null) {
+          if (isResumed() && googleMap != null && currentTrack != null) {
-            mapOverlay.update(googleMap, paths, true);
+            mapOverlay.update(googleMap, paths, currentTrack.getTripStatistics(), true);
           }
         }
       });

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

@@ -16,11 +16,7 @@
 
 package com.google.android.apps.mytracks.maps;
 
-import static com.google.android.apps.mytracks.Constants.TAG;
-
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
-import com.google.android.apps.mytracks.content.Track;
 import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
@@ -30,7 +26,6 @@ import com.google.common.annotations.VisibleForTesting;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
-import android.util.Log;
 
 /**
  * A dynamic speed path descriptor.
@@ -79,18 +74,7 @@ public class DynamicSpeedTrackPathDescriptor implements TrackPathDescriptor {
   }
 
   @Override
-  public boolean updateState() {
+  public boolean updateState(TripStatistics tripStatistics) {
-    long selectedTrackId = PreferencesUtils.getLong(context, R.string.selected_track_id_key);
-    if (selectedTrackId == PreferencesUtils.SELECTED_TRACK_ID_DEFAULT) {
-      Log.d(TAG, "No selected track id.");
-      return false;
-    }
-    Track track = MyTracksProviderUtils.Factory.get(context).getTrack(selectedTrackId);
-    if (track == null) {
-      Log.d(TAG, "No track for " + selectedTrackId);
-      return false;
-    }
-    TripStatistics tripStatistics = track.getTripStatistics();
     double newAverageMovingSpeed = (int) Math.floor(
         tripStatistics.getAverageMovingSpeed() * UnitConversions.MS_TO_KMH);
 

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

@@ -17,6 +17,7 @@
 package com.google.android.apps.mytracks.maps;
 
 import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.maps.mytracks.R;
 
@@ -71,7 +72,7 @@ public class FixedSpeedTrackPathDescriptor implements TrackPathDescriptor {
   }
 
   @Override
-  public boolean updateState() {
+  public boolean updateState(TripStatistics tripStatistics) {
     return false;
   }
 }

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

@@ -16,6 +16,7 @@
 package com.google.android.apps.mytracks.maps;
 
 import com.google.android.apps.mytracks.MapOverlay.CachedLocation;
+import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.gms.maps.GoogleMap;
 import com.google.android.gms.maps.model.LatLng;
 import com.google.android.gms.maps.model.Polyline;
@@ -47,8 +48,8 @@ public class MultiColorTrackPath implements TrackPath {
   }
 
   @Override
-  public boolean updateState() {
+  public boolean updateState(TripStatistics tripStatistics) {
-    return trackPathDescriptor.updateState();
+    return trackPathDescriptor.updateState(tripStatistics);
   }
 
   @Override

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

@@ -16,6 +16,7 @@
 package com.google.android.apps.mytracks.maps;
 
 import com.google.android.apps.mytracks.MapOverlay.CachedLocation;
+import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.gms.maps.GoogleMap;
 import com.google.android.gms.maps.model.LatLng;
 import com.google.android.gms.maps.model.Polyline;
@@ -40,7 +41,7 @@ public class SingleColorTrackPath implements TrackPath {
   }
 
   @Override
-  public boolean updateState() {
+  public boolean updateState(TripStatistics tripStatistics) {
     return false;
   }
 

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

@@ -17,6 +17,7 @@
 package com.google.android.apps.mytracks.maps;
 
 import com.google.android.apps.mytracks.MapOverlay.CachedLocation;
+import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.gms.maps.GoogleMap;
 import com.google.android.gms.maps.model.Polyline;
 
@@ -30,7 +31,13 @@ import java.util.List;
  */
 public interface TrackPath {
 
-  public boolean updateState();
+  /**
+   * Updates state.
+   * 
+   * @param tripstatistics the trip statistics
+   * @return true if the state is updated.
+   */
+  public boolean updateState(TripStatistics tripStatistrics);
 
   /**
    * Updates the path.

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

@@ -16,6 +16,8 @@
 
 package com.google.android.apps.mytracks.maps;
 
+import com.google.android.apps.mytracks.stats.TripStatistics;
+
 /**
  * An interface for classes which describe how to draw a track path.
  * 
@@ -34,7 +36,10 @@ public interface TrackPathDescriptor {
   public int getNormalSpeed();
 
   /**
-   * Updates state. Returns true if the state is updated.
+   * Updates state.
+   * 
+   * @param tripstatistics the trip statistics
+   * @return true if the state is updated.
    */
-  public boolean updateState();
+  public boolean updateState(TripStatistics tripstatistics);
 }

MyTracksTest/src/com/google/android/apps/mytracks/maps/DynamicSpeedTrackPathDescriptorTest.java

@@ -77,18 +77,6 @@ public class DynamicSpeedTrackPathDescriptorTest extends AndroidTestCase {
     assertEquals(55, dynamicSpeedTrackPathDescriptor.getNormalSpeed());
   }
 
-  /**
-   * Tests {@link DynamicSpeedTrackPathDescriptor#updateState()} by wrong track
-   * id.
-   */
-  public void testNeedsRedraw_WrongTrackId() {
-    PreferencesUtils.setLong(context, R.string.selected_track_id_key,
-        PreferencesUtils.SELECTED_TRACK_ID_DEFAULT);
-    DynamicSpeedTrackPathDescriptor dynamicSpeedTrackPathDescriptor = new DynamicSpeedTrackPathDescriptor(
-        context);
-    assertEquals(false, dynamicSpeedTrackPathDescriptor.updateState());
-  }
-
   /**
    * Tests {@link DynamicSpeedTrackPathDescriptor#updateState()} by different
    * averageMovingSpeed.