[gnome-maps/wip/mlundblad/transit-routing: 14/23] Add map marker to mark start of walking transit legs



commit 0ee45a68566046f6b98003f394126adbc98190ee
Author: Marcus Lundblad <ml update uu se>
Date:   Tue Jun 14 23:59:24 2016 +0200

    Add map marker to mark start of walking transit legs
    
    https://bugzilla.gnome.org/show_bug.cgi?id=755808

 src/org.gnome.Maps.src.gresource.xml |    1 +
 src/transitWalkMarker.js             |   71 ++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+), 0 deletions(-)
---
diff --git a/src/org.gnome.Maps.src.gresource.xml b/src/org.gnome.Maps.src.gresource.xml
index b2bcc18..ebd55a6 100644
--- a/src/org.gnome.Maps.src.gresource.xml
+++ b/src/org.gnome.Maps.src.gresource.xml
@@ -84,6 +84,7 @@
     <file>transitOptions.js</file>
     <file>transitPlan.js</file>
     <file>transitRouteLabel.js</file>
+    <file>transitWalkMarker.js</file>
     <file>translations.js</file>
     <file>turnPointMarker.js</file>
     <file>userLocationBubble.js</file>
diff --git a/src/transitWalkMarker.js b/src/transitWalkMarker.js
new file mode 100644
index 0000000..22be11a
--- /dev/null
+++ b/src/transitWalkMarker.js
@@ -0,0 +1,71 @@
+/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
+/* vim: set et ts=4 sw=4: */
+/*
+ * Copyright (c) 2017 Marcus Lundblad
+ *
+ * GNOME Maps is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * GNOME Maps is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with GNOME Maps; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Marcus Lundblad <ml update uu se>
+ */
+
+const Lang = imports.lang;
+
+const Gdk = imports.gi.Gdk;
+
+const Location = imports.location;
+const MapMarker = imports.mapMarker;
+const Place = imports.place;
+
+const TransitWalkMarker = new Lang.Class({
+    Name: 'TransitWalkMarker',
+    Extends: MapMarker.MapMarker,
+
+    _init: function(params) {
+        this._leg = params.leg;
+        delete params.leg;
+
+        this._previousLeg = params.previousLeg;
+        delete params.previousLeg;
+
+        /* if there is a preceeding leg, put the marker at the end of that leg
+         * to avoid gaps, since we will "fill out" the walking leg path line
+         * since sometimes the walking route might not reach exactly to the
+         * transit stop's position
+         */
+        let point = this._previousLeg ?
+                    this._previousLeg.polyline[this._previousLeg.polyline.length - 1] :
+                    this._leg.polyline[0];
+        let location =
+            new Location.Location({ latitude: point.get_latitude(),
+                                    longitude: point.get_longitude() });
+
+        params.place = new Place.Place({ location: location });
+
+        this.parent(params);
+
+        let color = new Gdk.RGBA({ red: 0,
+                                   green: 0,
+                                   blue: 0,
+                                   alpha: 1.0 });
+        let actor =
+            this._actorFromIconName('maps-point-start-symbolic', 0, color);
+
+        this.add_actor(actor);
+    },
+
+    get anchor() {
+        return { x: Math.floor(this.width / 2) - 1,
+                 y: Math.floor(this.height / 2) - 1 };
+    }
+});


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