[gnome-maps] mainWindow: Add toggle button to go to user location

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 2605b2e7f1122bcc7d5f0b2460ade4aec287cb9b
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Tue Apr 16 04:05:04 2013 +0300

    mainWindow: Add toggle button to go to user location

 src/mainWindow.js | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/src/mainWindow.js b/src/mainWindow.js
index 28863bd..e00a353 100644
--- a/src/mainWindow.js
+++ b/src/mainWindow.js
@@ -96,6 +96,14 @@ const MainWindow = new Lang.Class({
         let headerBar = new Gd.HeaderBar();
         headerBar.set_custom_title(this._searchEntry);
 
+        let toggle = new Gd.HeaderToggleButton({ symbolic_icon_name: 'find-location-symbolic' });
+        toggle.connect('toggled', Lang.bind(this,
+            function() {
+                if (toggle.active)
+                    this.mapView.gotoUserLocation(true);
+            }));
+        headerBar.pack_start(toggle);
+
         grid.add(headerBar);
 
         this.mapView = new MapView.MapView();