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[evince.git] / libdocument / ev-async-renderer.c

diff --git a/libdocument/ev-async-renderer.c b/libdocument/ev-async-renderer.c
index f0ffce486f1f91b57649b4cf51d61159df835b76..5ff9e3eda4c95ed3642164451112435f5bc69b10 100644 (file)
--- a/libdocument/ev-async-renderer.c
+++ b/libdocument/ev-async-renderer.c
@@ -21,8 +21,7 @@
 #include "config.h"
 
 #include "ev-async-renderer.h"
-
-static void ev_async_renderer_class_init (gpointer g_class);
+#include "ev-document.h"
 
 enum
 {
@@ -32,42 +31,26 @@ enum
 
 static guint signals[LAST_SIGNAL] = { 0 };
 
-GType
-ev_async_renderer_get_type (void)
-{
-       static GType type = 0;
-
-       if (G_UNLIKELY (type == 0))
-       {
-               const GTypeInfo our_info =
-               {
-                       sizeof (EvAsyncRendererIface),
-                       NULL,
-                       NULL,
-                       (GClassInitFunc)ev_async_renderer_class_init
-               };
-
-               type = g_type_register_static (G_TYPE_INTERFACE,
-                                              "EvAsyncRenderer",
-                                              &our_info, (GTypeFlags)0);
-       }
-
-       return type;
-}
+EV_DEFINE_INTERFACE (EvAsyncRenderer, ev_async_renderer, 0)
 
 static void
-ev_async_renderer_class_init (gpointer g_class)
+ev_async_renderer_class_init (EvAsyncRendererIface *klass)
 {
-       signals[RENDER_FINISHED] =
-               g_signal_new ("render_finished",
-                             EV_TYPE_ASYNC_RENDERER,
-                             G_SIGNAL_RUN_LAST,
-                             G_STRUCT_OFFSET (EvAsyncRendererIface, render_finished),
-                             NULL, NULL,
-                             g_cclosure_marshal_VOID__OBJECT,
-                             G_TYPE_NONE,
-                             1,
-                             GDK_TYPE_PIXBUF);
+       static gboolean initialized = FALSE;
+
+       if (!initialized) {
+               signals[RENDER_FINISHED] =
+                       g_signal_new ("render_finished",
+                                     EV_TYPE_ASYNC_RENDERER,
+                                     G_SIGNAL_RUN_LAST,
+                                     G_STRUCT_OFFSET (EvAsyncRendererIface, render_finished),
+                                     NULL, NULL,
+                                     g_cclosure_marshal_VOID__OBJECT,
+                                     G_TYPE_NONE,
+                                     1,
+                                     GDK_TYPE_PIXBUF);
+               initialized = TRUE;
+       }
 }
 
 void