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+/* GIO - GLib Input, Output and Streaming Library
+ * 
+ * Copyright (C) 2008 Clemens N. Buss <cebuzz@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#include <config.h>
+
+#include "gemblem.h"
+#include "glibintl.h"
+#include "gioenums.h"
+#include "gioenumtypes.h"
+
+#include "gioalias.h"
+
+/**
+ * SECTION:gemblem
+ * @short_description: An object for emblems
+ * @include: gio/gio.h
+ * @see_also: #GIcon, #GEmblemedIcon, #GLoadableIcon, #GThemedIcon
+ *
+ * #GEmblem is an implementation of #GIcon that supports
+ * having an emblem, which is an icon with additional properties.
+ * It can than be added to a #GEmblemedIcon.
+ *
+ * Currently, only metainformation about the emblem's origin is 
+ * supported. More may be added in the future.
+ **/
+
+static void g_emblem_iface_init (GIconIface *iface);
+
+struct _GEmblem
+{
+  GObject parent_instance;
+
+  GIcon *icon;
+  GEmblemOrigin origin;
+};
+
+struct _GEmblemClass
+{
+  GObjectClass parent_class;
+};
+
+enum
+{
+  PROP_0_GEMBLEM,
+  PROP_ICON,
+  PROP_ORIGIN
+};
+
+G_DEFINE_TYPE_WITH_CODE (GEmblem, g_emblem, G_TYPE_OBJECT,
+                         G_IMPLEMENT_INTERFACE (G_TYPE_ICON, g_emblem_iface_init))
+
+static void
+g_emblem_get_property (GObject    *object, 
+                       guint       prop_id, 
+                       GValue     *value, 
+                       GParamSpec *pspec)
+{
+  GEmblem *emblem = G_EMBLEM (object);
+	
+  switch (prop_id)
+    {
+      case PROP_ICON:
+        g_value_set_object (value, emblem->icon);
+
+      case PROP_ORIGIN:
+        g_value_set_enum (value, emblem->origin);
+        break;
+
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        break;
+  }   
+}
+
+static void
+g_emblem_set_property (GObject      *object,
+                       guint         prop_id,
+                       const GValue *value,
+                       GParamSpec   *pspec)
+{
+  GEmblem *emblem = G_EMBLEM (object);
+
+  switch (prop_id)
+    {
+      case PROP_ICON:
+        emblem->icon = g_value_get_object (value);
+        break;
+
+      case PROP_ORIGIN:
+        emblem->origin = g_value_get_enum (value);
+        break;
+
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        break;
+    }
+}
+
+static void
+g_emblem_finalize (GObject *object)
+{
+  GEmblem *emblem = G_EMBLEM (object);
+
+  g_object_unref (emblem->icon);
+
+  (*G_OBJECT_CLASS (g_emblem_parent_class)->finalize) (object);
+}
+
+static void
+g_emblem_class_init (GEmblemClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  
+  gobject_class->finalize = g_emblem_finalize;
+  gobject_class->set_property = g_emblem_set_property;
+  gobject_class->get_property = g_emblem_get_property;
+
+  g_object_class_install_property (gobject_class, 
+                                   PROP_ORIGIN,
+                                   g_param_spec_enum ("origin",
+                                                      P_("GEmblem's origin"),
+                                                      P_("Tells which origin the emblem is derived from"),
+                                                      G_TYPE_EMBLEM_ORIGIN,
+                                                      G_EMBLEM_ORIGIN_UNKNOWN,
+                                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
+
+  g_object_class_install_property (gobject_class,
+                                   PROP_ICON,
+                                   g_param_spec_object ("icon",
+                                                      P_("The icon of the emblem"),
+                                                      P_("The actual icon of the emblem"),
+                                                      G_TYPE_OBJECT,
+                                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
+
+}
+
+static void
+g_emblem_init (GEmblem *emblem)
+{
+}
+
+/**
+ * g_emblem_new:
+ * @icon: a GIcon containing the icon.
+ * 
+ * Creates a new emblem for @icon.
+ * 
+ * Returns: a new #GEmblem.
+ *
+ * Since: 2.18
+ **/
+GEmblem *
+g_emblem_new (GIcon *icon)
+{
+  GEmblem* emblem;
+
+  g_return_val_if_fail (icon != NULL, NULL);
+  g_return_val_if_fail (G_IS_ICON (icon), NULL);
+  g_return_val_if_fail (!G_IS_EMBLEM (icon), NULL);
+
+  emblem = g_object_new (G_TYPE_EMBLEM, NULL);
+  emblem->icon = g_object_ref (icon);
+  emblem->origin = G_EMBLEM_ORIGIN_UNKNOWN;
+
+  return emblem;
+}
+
+/**
+ * g_emblem_new_with_origin:
+ * @icon: a GIcon containing the icon.
+ * @origin: a GEmblemOrigin enum defining the emblem's origin
+ *
+ * Creates a new emblem for @icon.
+ * 
+ * Returns: a new #GEmblem.
+ *
+ * Since: 2.18
+ **/
+GEmblem *
+g_emblem_new_with_origin (GIcon         *icon,
+                          GEmblemOrigin  origin)
+{
+  GEmblem* emblem;
+
+  g_return_val_if_fail (icon != NULL, NULL);
+  g_return_val_if_fail (G_IS_ICON (icon), NULL);
+  g_return_val_if_fail (!G_IS_EMBLEM (icon), NULL);
+
+  emblem = g_object_new (G_TYPE_EMBLEM, NULL);
+  emblem->icon = g_object_ref (icon);
+  emblem->origin = origin;
+
+  return emblem;
+}
+
+/**
+ * g_emblem_get_icon:
+ * @emblem: a #GEmblem from which the icon should be extracted.
+ * 
+ * Gives back the icon from @emblem.
+ * 
+ * Returns: a #GIcon. The returned object belongs to the emblem
+ *    and should not be modified or freed.
+ *
+ * Since: 2.18
+ **/
+GIcon *
+g_emblem_get_icon (GEmblem *emblem)
+{
+  g_return_val_if_fail (G_IS_EMBLEM (emblem), NULL);
+
+  return emblem->icon;
+}
+
+
+/**
+ * g_emblem_get_origin:
+ * @emblem: a #GEmblem 
+ * 
+ * Gets the origin of the emblem.
+ * 
+ * Returns: the origin of the emblem
+ *
+ * Since: 2.18
+ **/
+GEmblemOrigin
+g_emblem_get_origin (GEmblem *emblem)
+{
+  g_return_val_if_fail (G_IS_EMBLEM (emblem), G_EMBLEM_ORIGIN_UNKNOWN);
+
+  return emblem->origin;
+}
+
+static guint
+g_emblem_hash (GIcon *icon)
+{
+  GEmblem *emblem = G_EMBLEM (icon);
+  guint hash;
+
+  hash  = g_icon_hash (g_emblem_get_icon (emblem));
+  hash ^= emblem->origin; 
+
+  return hash;
+}
+
+static gboolean
+g_emblem_equal (GIcon *icon1,
+                GIcon *icon2)
+{
+  GEmblem *emblem1 = G_EMBLEM (icon1);
+  GEmblem *emblem2 = G_EMBLEM (icon2);
+  
+  return emblem1->origin == emblem2->origin &&
+         g_icon_equal (emblem1->icon, emblem2->icon);
+}
+
+static void
+g_emblem_iface_init (GIconIface *iface)
+{
+  iface->hash  = g_emblem_hash;
+  iface->equal = g_emblem_equal;
+}
+
+#define __G_EMBLEM_C__
+#include "gioaliasdef.c"