[gnome-maps/wip/routing2: 2/10] Add Route query model

[Mattias Bengtsson <mattiasb src gnome org>]

commit 3eae9251e9e14fad47dd8e4c936d22130665662f
Author: Mattias Bengtsson <mattias jc bengtsson gmail com>
Date:   Sun May 4 01:49:50 2014 +0200

    Add Route query model
    
    The Route query model encapsulates all data that makes up a route
    request query in Maps.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=728695

 src/gnome-maps.js.gresource.xml |    1 +
 src/routeQuery.js               |  138 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 139 insertions(+), 0 deletions(-)
---
diff --git a/src/gnome-maps.js.gresource.xml b/src/gnome-maps.js.gresource.xml
index 0e6c95f..ef4990a 100644
--- a/src/gnome-maps.js.gresource.xml
+++ b/src/gnome-maps.js.gresource.xml
@@ -18,6 +18,7 @@
     <file>placeEntry.js</file>
     <file>placeStore.js</file>
     <file>route.js</file>
+    <file>routeQuery.js</file>
     <file>searchPopup.js</file>
     <file>settings.js</file>
     <file>sidebar.js</file>
diff --git a/src/routeQuery.js b/src/routeQuery.js
new file mode 100644
index 0000000..8029a57
--- /dev/null
+++ b/src/routeQuery.js
@@ -0,0 +1,138 @@
+/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
+/* vim: set et ts=4 sw=4: */
+/*
+ * Copyright (c) 2013 Mattias Bengtsson.
+ *
+ * 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, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Author: Mattias Bengtsson <mattias jc bengtsson gmail com>
+ */
+
+const Geocode = imports.gi.GeocodeGlib;
+const GObject = imports.gi.GObject;
+
+const Lang = imports.lang;
+
+const Utils = imports.utils;
+
+const Transportation = {
+    CAR:        0,
+    BIKE:       1,
+    PEDESTRIAN: 2,
+
+    toString: function (transportation) {
+        switch(transportation) {
+        case Transportation.CAR:        return 'car';
+        case Transportation.BIKE:       return 'bike';
+        case Transportation.PEDESTRIAN: return 'foot';
+        default:                        return null;
+        }
+    }
+};
+
+const RouteQuery = new Lang.Class({
+    Name: 'RouteQuery',
+    Extends: GObject.Object,
+    Signals: {
+        'updated': { }
+    },
+    Properties: {
+        'from': GObject.ParamSpec.object('from',
+                                         '',
+                                         '',
+                                         GObject.ParamFlags.READABLE |
+                                         GObject.ParamFlags.WRITABLE,
+                                         Geocode.Place),
+        'to': GObject.ParamSpec.object('to',
+                                       '',
+                                       '',
+                                       GObject.ParamFlags.READABLE |
+                                       GObject.ParamFlags.WRITABLE,
+                                       Geocode.Place),
+        'transportation': GObject.ParamSpec.int('transportation',
+                                                '',
+                                                '',
+                                                GObject.ParamFlags.READABLE |
+                                                GObject.ParamFlags.WRITABLE,
+                                                Transportation.CAR,
+                                                Transportation.PEDESTRIAN,
+                                                Transportation.CAR)
+    },
+
+    set from(place) {
+        this._from = place;
+        this.notify("from");
+    },
+    get from() {
+        return this._from;
+    },
+
+    set to(place) {
+        this._to = place;
+        this.notify("to");
+    },
+    get to() {
+        return this._to;
+    },
+
+    set transportation(transportation) {
+        this._transportation = transportation;
+        this.notify("transportation");
+    },
+    get transportation() {
+        return this._transportation;
+    },
+
+    _init: function(args) {
+        this.parent(args);
+        this._connectSignals();
+        this.reset();
+    },
+
+    _connectSignals: function() {
+        this._updatedId = this.connect('notify', (function() {
+            this.emit('updated');
+        }).bind(this));
+    },
+
+    _disconnectSignals: function() {
+        this.disconnect(this._updatedId);
+    },
+
+    reset: function() {
+        this.setMany({ from: null,
+                       to: null,
+                       transportation: Transportation.CAR });
+    },
+
+    setMany: function(obj) {
+        this._disconnectSignals();
+
+        // Only set properties actually defined on this object
+        ["from", "to", "transportation"].forEach((function(prop) {
+            if (obj.hasOwnProperty(prop))
+                this[prop] = obj[prop];
+        }).bind(this));
+
+        this._connectSignals();
+        this.emit('updated');
+    },
+
+    toString: function() {
+        return "From: " + this.from +
+            "\nTo: " + this.to +
+            "\nTransportation" + this.transportation;
+    }
+});