[libchamplain/libchamplain-0-4] Fix ChamplainView::notify for latitude and longitude

[Pierre-Luc Beaudoin <plbeaudoin src gnome org>]

commit 20f971142725d60091a33ba7e3576fe458bf7ca9
Author: Jonathon Jongsma <jonathon quotidian org>
Date:   Fri Feb 19 16:53:00 2010 -0500

    Fix ChamplainView::notify for latitude and longitude
    
    There was a bug where the latitude and longitude notify signals would
    never be emitted.

 champlain/champlain-view.c |   15 +++++++--------
 1 files changed, 7 insertions(+), 8 deletions(-)
---
diff --git a/champlain/champlain-view.c b/champlain/champlain-view.c
index 81111d0..e9c6d17 100644
--- a/champlain/champlain-view.c
+++ b/champlain/champlain-view.c
@@ -285,12 +285,14 @@ update_viewport (ChamplainView *view,
     gfloat y)
 {
   ChamplainViewPrivate *priv = view->priv;
-  gfloat lat, lon;
+  gfloat old_lat, old_lon;
 
   ChamplainFloatPoint old_anchor;
 
   old_anchor.x = priv->anchor.x;
   old_anchor.y = priv->anchor.y;
+  old_lon = priv->longitude;
+  old_lat = priv->latitude;
 
   view_update_anchor (view,
       x + priv->anchor.x + priv->viewport_size.width / 2.0,
@@ -316,18 +318,15 @@ update_viewport (ChamplainView *view,
   view_tiles_reposition (view);
   marker_reposition (view);
   update_scale (view);
-
   view_update_polygons (view);
-  lon = viewport_get_current_longitude (priv);
-  lat = viewport_get_current_latitude (priv);
 
-  priv->longitude = lon;
-  priv->latitude = lat;
+  priv->longitude = viewport_get_current_longitude (priv);
+  priv->latitude = viewport_get_current_latitude (priv);
 
-  if (fabs (priv->longitude - lon) > 0.001)
+  if (fabs (priv->longitude - old_lon) > 0.001)
     g_object_notify (G_OBJECT (view), "longitude");
 
-  if (fabs (priv->latitude - lat) > 0.001)
+  if (fabs (priv->latitude - old_lat) > 0.001)
     g_object_notify (G_OBJECT (view), "latitude");
 }