[gnome-maps] userLocationMarker: Show heading

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 18c5a6bcb56547817080554de5c7ec4a469477f8
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Jun 3 12:25:09 2015 +0100

    userLocationMarker: Show heading
    
    When heading information is available, use the directional user location
    icon and rotate it to indicate the heading.

 src/userLocationMarker.js |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/src/userLocationMarker.js b/src/userLocationMarker.js
index 7ae3362..155599f 100644
--- a/src/userLocationMarker.js
+++ b/src/userLocationMarker.js
@@ -70,7 +70,14 @@ const UserLocationMarker = new Lang.Class({
     _init: function(params) {
         this.parent(params);
 
-        this.add_actor(Utils.CreateActorFromIconName('user-location', 0));
+        if (this.place.location.heading > -1) {
+            let actor = Utils.CreateActorFromIconName('user-location-compass', 0);
+            actor.set_pivot_point(0.5, 0.5);
+            actor.set_rotation_angle(Clutter.RotateAxis.Z_AXIS, this.place.location.heading);
+            this.add_actor(actor);
+        } else {
+            this.add_actor(Utils.CreateActorFromIconName('user-location', 0));
+        }
 
         if (this.place.location.accuracy > 0) {
             this._accuracyMarker = new AccuracyCircleMarker({ place: this.place });