[libgd] Use a revealed property for GdRevealer

[Cosimo Cecchi <cosimoc src gnome org>]

commit 245347f00a297e8f4ca7920e62788e29147e7627
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Fri Feb 8 09:45:54 2013 -0500

    Use a revealed property for GdRevealer

 libgd/gd-revealer.c |   44 +++++++++++++++++++++++++++-----------------
 libgd/gd-revealer.h |    6 +++---
 2 files changed, 30 insertions(+), 20 deletions(-)
---
diff --git a/libgd/gd-revealer.c b/libgd/gd-revealer.c
index 5836c60..4da6982 100644
--- a/libgd/gd-revealer.c
+++ b/libgd/gd-revealer.c
@@ -27,7 +27,8 @@
 enum  {
   PROP_0,
   PROP_ORIENTATION,
-  PROP_DURATION
+  PROP_DURATION,
+  PROP_REVEALED
 };
 
 #define FRAME_TIME_MSEC 17 /* 17 msec => 60 fps */
@@ -145,6 +146,9 @@ gd_revealer_get_property (GObject *object,
   case PROP_DURATION:
     g_value_set_int (value, gd_revealer_get_duration (revealer));
     break;
+  case PROP_REVEALED:
+    g_value_set_boolean (value, gd_revealer_get_revealed (revealer));
+    break;
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     break;
@@ -166,6 +170,9 @@ gd_revealer_set_property (GObject *object,
   case PROP_DURATION:
     gd_revealer_set_duration (revealer, g_value_get_int (value));
     break;
+  case PROP_REVEALED:
+    gd_revealer_set_revealed (revealer, g_value_get_boolean (value));
+    break;
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     break;
@@ -211,6 +218,12 @@ gd_revealer_class_init (GdRevealerClass * klass)
                                                      G_MININT, G_MAXINT,
                                                      250,
                                                      GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+  g_object_class_install_property (object_class,
+                                   PROP_REVEALED,
+                                   g_param_spec_boolean ("revealed", "revealed",
+                                                         "Whether the child is revealed",
+                                                         FALSE,
+                                                         GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 
   g_type_class_add_private (klass, sizeof (GdRevealerPrivate));
 }
@@ -503,6 +516,8 @@ gd_revealer_start_animation (GdRevealer *revealer,
     }
   else
     gd_revealer_set_position (revealer, target);
+
+  g_object_notify (G_OBJECT (revealer), "revealed");
 }
 
 
@@ -565,22 +580,25 @@ gd_revealer_real_draw (GtkWidget *widget,
 }
 
 void
-gd_revealer_reveal (GdRevealer *revealer)
+gd_revealer_set_revealed (GdRevealer *revealer,
+                          gboolean    setting)
 {
-  g_return_if_fail (revealer != NULL);
+  g_return_if_fail (GD_IS_REVEALER (revealer));
 
-  gd_revealer_start_animation (revealer, 1.0);
+  if (setting)
+    gd_revealer_start_animation (revealer, 1.0);
+  else
+    gd_revealer_start_animation (revealer, 0.0);
 }
 
-void
-gd_revealer_unreveal (GdRevealer *revealer)
+gboolean
+gd_revealer_get_revealed (GdRevealer *revealer)
 {
-  g_return_if_fail (revealer != NULL);
+  g_return_val_if_fail (GD_IS_REVEALER (revealer), FALSE);
 
-  gd_revealer_start_animation (revealer, 0.0);
+  return revealer->priv->target_pos != 0.0;
 }
 
-
 /* These all report only the natural size, ignoring the minimal size,
  * because its not really possible to allocate the right size during
  * animation if the child size can change (without the child
@@ -715,11 +733,3 @@ gd_revealer_set_duration (GdRevealer *revealer,
   revealer->priv->duration = value;
   g_object_notify (G_OBJECT (revealer), "duration");
 }
-
-gboolean
-gd_revealer_get_is_revealed (GdRevealer *revealer)
-{
-  g_return_val_if_fail (revealer != NULL, FALSE);
-
-  return revealer->priv->target_pos != 0.0;
-}
diff --git a/libgd/gd-revealer.h b/libgd/gd-revealer.h
index 2be0509..87d6772 100644
--- a/libgd/gd-revealer.h
+++ b/libgd/gd-revealer.h
@@ -50,9 +50,9 @@ struct _GdRevealerClass {
 
 GType gd_revealer_get_type (void) G_GNUC_CONST;
 GdRevealer*    gd_revealer_new             (void);
-void           gd_revealer_reveal          (GdRevealer     *revealer);
-void           gd_revealer_unreveal        (GdRevealer     *revealer);
-gboolean       gd_revealer_get_is_revealed (GdRevealer     *revealer);
+gboolean       gd_revealer_get_revealed    (GdRevealer     *revealer);
+void           gd_revealer_set_revealed    (GdRevealer     *revealer,
+                                            gboolean        setting);
 GtkOrientation gd_revealer_get_orientation (GdRevealer     *revealer);
 void           gd_revealer_set_orientation (GdRevealer     *revealer,
 					    GtkOrientation  value);