[gnome-maps/wip/mlundblad/transit-routing: 8/13] turnPointMarker: Add support for showing markers for transit stops

[Marcus Lundblad <mlundblad src gnome org>]

commit 09e97637b20e534eb4b6c14f869ed53c3da30e37
Author: Marcus Lundblad <ml update uu se>
Date:   Fri Jul 15 23:46:57 2016 +0200

    turnPointMarker: Add support for showing markers for transit stops
    
    https://bugzilla.gnome.org/show_bug.cgi?id=755808

 src/turnPointMarker.js |   44 ++++++++++++++++++++++++++++++++++----------
 1 files changed, 34 insertions(+), 10 deletions(-)
---
diff --git a/src/turnPointMarker.js b/src/turnPointMarker.js
index 9bc9036..f903441 100644
--- a/src/turnPointMarker.js
+++ b/src/turnPointMarker.js
@@ -25,6 +25,7 @@ const Lang = imports.lang;
 const Mainloop = imports.mainloop;
 
 const Application = imports.application;
+const Color = imports.color;
 const Location = imports.location;
 const MapMarker = imports.mapMarker;
 const Place = imports.place;
@@ -41,12 +42,26 @@ const TurnPointMarker = new Lang.Class({
         this._turnPoint = params.turnPoint;
         delete params.turnPoint;
 
+        this._transitStop = params.transitStop;
+        delete params.transitStop;
+
+        this._transitLeg = params.transitLeg;
+        delete params.transitLeg;
+
+        let latitude;
+        let longitude;
+
+        if (this._turnPoint) {
+            latitude = this._turnPoint.coordinate.get_latitude();
+            longitude = this._turnPoint.coordinate.get_longitude();
+        } else {
+            latitude = this._transitStop.coordinate[0];
+            longitude = this._transitStop.coordinate[1];
+        }
+
         params.place = new Place.Place({
-            location: new Location.Location({
-                latitude: this._turnPoint.coordinate.get_latitude(),
-                longitude: this._turnPoint.coordinate.get_longitude()
-            })
-        });
+            location: new Location.Location({ latitude: latitude,
+                                              longitude: longitude }) });
         this.parent(params);
 
         let actor;
@@ -57,11 +72,7 @@ const TurnPointMarker = new Lang.Class({
             }).bind(this));
             actor = this._actorFromIconName(this._turnPoint.iconName, 0);
         } else {
-            // A GNOMEish blue color
-            let color = new Gdk.RGBA({ red: 33   / 255,
-                                       green: 93 / 255,
-                                       blue: 156 / 255,
-                                       alpha: 255 });
+            let color = this._getColor();
             actor = this._actorFromIconName('maps-point-end-symbolic',
                                             0,
                                             color);
@@ -69,6 +80,19 @@ const TurnPointMarker = new Lang.Class({
         this.add_actor(actor);
     },
 
+    _getColor: function() {
+        /* Use the route color from the transit leg when representing part of
+         * a transit trip, otherwise let the fallback functionallity of the
+         * utility function use a GNOMEish blue color for turn-by-turn routing.
+         */
+        let color = this._transitLeg ? this._transitLeg.color : null;
+
+        return new Gdk.RGBA({ red: Color.parseColor(color, 0, 33 / 255),
+                              green: Color.parseColor(color, 1, 93 / 255),
+                              blue: Color.parseColor(color, 2, 155 / 255),
+                              alpha: 255 });
+    },
+
     get anchor() {
         return { x: Math.floor(this.width / 2) - 1,
                  y: Math.floor(this.height / 2) - 1 };