[cheese] Refactor setup_camera() in CheeseWidget

[David King <davidk src gnome org>]

commit 9c3a53204ad5c951d65e05d5d12e812f3fa62c24
Author: David King <amigadave amigadave com>
Date:   Fri Oct 10 13:00:25 2014 +0100

    Refactor setup_camera() in CheeseWidget
    
    Remove superfluous prototype. Use GSettings convenience getters. Reduce
    scope of some variables.

 libcheese/cheese-widget.c |   98 +++++++++++++++++++++++----------------------
 1 files changed, 50 insertions(+), 48 deletions(-)
---
diff --git a/libcheese/cheese-widget.c b/libcheese/cheese-widget.c
index a0d5f04..110fa44 100644
--- a/libcheese/cheese-widget.c
+++ b/libcheese/cheese-widget.c
@@ -68,8 +68,6 @@ struct _CheeseWidgetPrivate
 
 G_DEFINE_TYPE_WITH_PRIVATE (CheeseWidget, cheese_widget, GTK_TYPE_NOTEBOOK);
 
-void setup_camera (CheeseWidget *widget);
-
 static GdkPixbuf *
 cheese_widget_load_pixbuf (GtkWidget  *widget,
                            const char *icon_name,
@@ -294,54 +292,58 @@ webcam_state_changed (CheeseCamera *camera, GstState state,
     }
 }
 
-void
+static void
 setup_camera (CheeseWidget *widget)
 {
-  CheeseWidgetPrivate *priv = widget->priv;
-  gchar *webcam_device = NULL;
-  gint x_resolution;
-  gint y_resolution;
-  gdouble brightness;
-  gdouble contrast;
-  gdouble saturation;
-  gdouble hue;
-
-  g_settings_get (priv->settings, "photo-x-resolution", "i", &x_resolution);
-  g_settings_get (priv->settings, "photo-y-resolution", "i", &y_resolution);
-  g_settings_get (priv->settings, "camera",       "s", &webcam_device);
-  g_settings_get (priv->settings, "brightness",   "d", &brightness);
-  g_settings_get (priv->settings, "contrast",     "d", &contrast);
-  g_settings_get (priv->settings, "saturation",   "d", &saturation);
-  g_settings_get (priv->settings, "hue",          "d", &hue);
-
-  priv->webcam = cheese_camera_new (CLUTTER_TEXTURE (priv->texture),
-                                    webcam_device,
-                                    x_resolution,
-                                    y_resolution);
-
-  g_free (webcam_device);
-
-  cheese_camera_setup (priv->webcam, NULL, &priv->error);
-
-  gtk_spinner_stop (GTK_SPINNER (priv->spinner));
-
-  if (priv->error != NULL)
-  {
-    cheese_widget_set_problem_page (CHEESE_WIDGET (widget), "error");
-  }
-  else
-  {
-    cheese_camera_set_balance_property (priv->webcam, "brightness", brightness);
-    cheese_camera_set_balance_property (priv->webcam, "contrast", contrast);
-    cheese_camera_set_balance_property (priv->webcam, "saturation", saturation);
-    cheese_camera_set_balance_property (priv->webcam, "hue", hue);
-    priv->state = CHEESE_WIDGET_STATE_READY;
-    g_object_notify_by_pspec (G_OBJECT (widget), properties[PROP_STATE]);
-    g_signal_connect (priv->webcam, "state-flags-changed",
-                      G_CALLBACK (webcam_state_changed), widget);
-    cheese_camera_play (priv->webcam);
-    gtk_notebook_set_current_page (GTK_NOTEBOOK (widget), WEBCAM_PAGE);
-  }
+    CheeseWidgetPrivate *priv = widget->priv;
+    gchar *webcam_device;
+    gint x_resolution;
+    gint y_resolution;
+
+    x_resolution = g_settings_get_int (priv->settings, "photo-x-resolution");
+    y_resolution = g_settings_get_int (priv->settings, "photo-y-resolution");
+    webcam_device = g_settings_get_string (priv->settings, "camera");
+
+    priv->webcam = cheese_camera_new (CLUTTER_TEXTURE (priv->texture),
+                                      webcam_device, x_resolution,
+                                      y_resolution);
+
+    g_free (webcam_device);
+
+    cheese_camera_setup (priv->webcam, NULL, &priv->error);
+
+    gtk_spinner_stop (GTK_SPINNER (priv->spinner));
+
+    if (priv->error != NULL)
+    {
+        cheese_widget_set_problem_page (CHEESE_WIDGET (widget), "error");
+    }
+    else
+    {
+        gdouble brightness;
+        gdouble contrast;
+        gdouble saturation;
+        gdouble hue;
+
+        brightness = g_settings_get_double (priv->settings, "brightness");
+        contrast = g_settings_get_double (priv->settings, "contrast");
+        saturation = g_settings_get_double (priv->settings, "saturation");
+        hue = g_settings_get_double (priv->settings, "hue");
+
+        cheese_camera_set_balance_property (priv->webcam, "brightness",
+                                            brightness);
+        cheese_camera_set_balance_property (priv->webcam, "contrast", contrast);
+        cheese_camera_set_balance_property (priv->webcam, "saturation",
+                                            saturation);
+        cheese_camera_set_balance_property (priv->webcam, "hue", hue);
+
+        priv->state = CHEESE_WIDGET_STATE_READY;
+        g_object_notify_by_pspec (G_OBJECT (widget), properties[PROP_STATE]);
+        g_signal_connect (priv->webcam, "state-flags-changed",
+                          G_CALLBACK (webcam_state_changed), widget);
+        cheese_camera_play (priv->webcam);
+        gtk_notebook_set_current_page (GTK_NOTEBOOK (widget), WEBCAM_PAGE);
+    }
 }
 
 static void