From: Guillaume Desmottes <guillaume.desmottes@collabora.co.uk>
Date: Tue, 18 May 2010 20:19:28 +0000 (+0200)
Subject: actually implement location bluring
X-Git-Tag: azimuth-0.2~4
X-Git-Url: https://vcs.maemo.org/git/?p=azimuth;a=commitdiff_plain;h=f418b16fe12e5a4248ecc7d45cf0d3bd38dbd588

actually implement location bluring
---

diff --git a/src/azimuth.c b/src/azimuth.c
index 392805c..712ea9d 100644
--- a/src/azimuth.c
+++ b/src/azimuth.c
@@ -68,6 +68,21 @@ update_gps (Azimuth *self)
 }
 
 static void
+update_blur (Azimuth *self)
+{
+  AzimuthPrivate *priv = AZIMUTH_GET_PRIVATE (self);
+  gboolean blur;
+
+  if (priv->publisher == NULL)
+    return;
+
+  blur = gconf_client_get_bool (priv->gconf,
+      AZIMUTH_GCONF_KEY_BLUR, NULL);
+
+  position_publisher_set_blur (priv->publisher, blur);
+}
+
+static void
 enabled_changed (Azimuth *self,
     gboolean enabled)
 {
@@ -79,7 +94,9 @@ enabled_changed (Azimuth *self,
         return;
 
       g_print ("enable publishing\n");
-      priv->publisher = position_publisher_new (TRUE);
+      priv->publisher = position_publisher_new ();
+
+      update_blur (self);
     }
   else
     {
@@ -112,11 +129,17 @@ gconf_notification_cb (GConfClient *client,
       enabled_changed (self, enabled);
     }
 
-  if (!tp_strdiff (key, AZIMUTH_GCONF_KEY_START_GPS) &&
+  else if (!tp_strdiff (key, AZIMUTH_GCONF_KEY_START_GPS) &&
       value->type == GCONF_VALUE_BOOL)
     {
       update_gps (self);
     }
+
+  else if (!tp_strdiff (key, AZIMUTH_GCONF_KEY_BLUR) &&
+      value->type == GCONF_VALUE_BOOL)
+    {
+      update_blur (self);
+    }
 }
 
 static void
@@ -208,9 +231,10 @@ azimuth_run (Azimuth *self)
     {
       g_print ("publishing is enabled\n");
       g_assert (priv->publisher == NULL);
-      priv->publisher = position_publisher_new (TRUE);
+      priv->publisher = position_publisher_new ();
 
       update_gps (self);
+      update_blur (self);
     }
   else
     {
diff --git a/src/position-publisher.c b/src/position-publisher.c
index 332c8d0..c0c57fd 100644
--- a/src/position-publisher.c
+++ b/src/position-publisher.c
@@ -168,6 +168,15 @@ update_position (PositionPublisher *self,
 {
   PositionPublisherPrivate *priv = POSITION_PUBLISHER_GET_PRIVATE (self);
 
+  if (priv->blur)
+    {
+      /* Truncate at 1 decimal place */
+      lon = ((int) (lon * 10)) / 10.0;
+      lat = ((int) (lat * 10)) / 10.0;
+
+      /* FIXME: change accuracy (not that easy as accuracy is in meters) */
+    }
+
   g_print ("update position: lat: %f  lon:  %f  alt: %f accuracy: %f\n",
       lat, lon, alt, accuracy);
 
@@ -379,9 +388,19 @@ position_publisher_set_property (GObject *object,
 }
 
 PositionPublisher *
-position_publisher_new (gboolean blur)
+position_publisher_new (void)
 {
   return g_object_new (POSITION_PUBLISHER_TYPE,
-      "blur", blur,
       NULL);
 }
+
+void
+position_publisher_set_blur (PositionPublisher *self,
+    gboolean blur)
+{
+  PositionPublisherPrivate *priv = POSITION_PUBLISHER_GET_PRIVATE (self);
+
+  g_print ("%s blurring location\n", blur ? "Start": "Stop");
+  priv->blur = blur;
+  g_object_notify (G_OBJECT (self), "blur");
+}
diff --git a/src/position-publisher.h b/src/position-publisher.h
index 97b1e9f..1ad94f0 100644
--- a/src/position-publisher.h
+++ b/src/position-publisher.h
@@ -52,7 +52,10 @@ GType position_publisher_get_type (void);
 #define POSITION_PUBLISHER_GET_CLASS(obj) \
   (G_TYPE_INSTANCE_GET_CLASS ((obj), POSITION_PUBLISHER_TYPE, PositionPublisherClass))
 
-PositionPublisher * position_publisher_new (gboolean start_gps);
+PositionPublisher * position_publisher_new (void);
+
+void position_publisher_set_blur (PositionPublisher *self,
+    gboolean blur);
 
 G_END_DECLS