[gnome-maps/wip/mlundblad/photon-geocode: 3/9] Add Geocoder factory

[Marcus Lundblad <mlundblad src gnome org>]

commit f2fddbfa324e0b594084037e4fe9f238f2a96bf8
Author: Marcus Lundblad <ml update uu se>
Date:   Sat May 25 11:50:17 2019 +0200

    Add Geocoder factory
    
    Instanciates a geocoder implementation
    (Photon or legacy GraphHopper) depending
    on the service definition.

 src/geocode.js                       | 38 ++++++++++++++++++++++++++++++++++++
 src/org.gnome.Maps.src.gresource.xml |  1 +
 2 files changed, 39 insertions(+)
---
diff --git a/src/geocode.js b/src/geocode.js
new file mode 100644
index 0000000..02152eb
--- /dev/null
+++ b/src/geocode.js
@@ -0,0 +1,38 @@
+/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
+/* vim: set et ts=4 sw=4: */
+/*
+ * Copyright (c) 2019 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 Service = imports.service;
+const PhotonGeocode = imports.photonGeocode;
+
+var _geocoder = null;
+
+function getGeocoder() {
+    if (_geocoder) {
+        return _geocoder;
+    } else {
+        if (Service.getService().photonGeocode)
+            _geocoder = new PhotonGeocode.PhotonGeocode();
+        // TODO: instanciate legacy GraphHopper geocoder
+        return _geocoder;
+    }
+}
+
+ 
diff --git a/src/org.gnome.Maps.src.gresource.xml b/src/org.gnome.Maps.src.gresource.xml
index d3c2454..9f8108d 100644
--- a/src/org.gnome.Maps.src.gresource.xml
+++ b/src/org.gnome.Maps.src.gresource.xml
@@ -17,6 +17,7 @@
     <file>foursquareGoaAuthorizer.js</file>
     <file>geoclue.js</file>
     <file>geocodeService.js</file>
+    <file>geocode.js</file>
     <file>geoJSONShapeLayer.js</file>
     <file>geoJSONSource.js</file>
     <file>geoJSONStyle.js</file>