X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=libdocument%2Fev-document-transition.c;h=495b1b9625451ccc955c0ab658038df5ffbd58f7;hb=cc3f21efc8104182171c9300facc16d9a79177ef;hp=a5a5b244493e0542c1d6e3f7543889e12f8f74de;hpb=1af6600934d1f723e5b492b8322e52a1144fb0af;p=evince.git

diff --git a/libdocument/ev-document-transition.c b/libdocument/ev-document-transition.c
index a5a5b244..495b1b96 100644
--- a/libdocument/ev-document-transition.c
+++ b/libdocument/ev-document-transition.c
@@ -21,24 +21,11 @@
 #include <config.h>
 #include "ev-document-transition.h"
 
-GType
-ev_document_transition_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		const GTypeInfo our_info = {
-			sizeof (EvDocumentTransitionIface),
-			NULL,
-			NULL,
-		};
-
-		type = g_type_register_static (G_TYPE_INTERFACE,
-					       "EvDocumentTransition",
-					       &our_info, (GTypeFlags)0);
-	}
+EV_DEFINE_INTERFACE (EvDocumentTransition, ev_document_transition, 0)
 
-	return type;
+static void
+ev_document_transition_class_init (EvDocumentTransitionIface *klass)
+{
 }
 
 gdouble
@@ -53,4 +40,18 @@ ev_document_transition_get_page_duration (EvDocumentTransition *document_trans,
 	return -1;
 }
 
+EvTransitionEffect *
+ev_document_transition_get_effect (EvDocumentTransition *document_trans,
+				   gint                  page)
+{
+	EvDocumentTransitionIface *iface = EV_DOCUMENT_TRANSITION_GET_IFACE (document_trans);
+	EvTransitionEffect *effect = NULL;
+
+	if (iface->get_effect)
+		effect = iface->get_effect (document_trans, page);
 
+	if (!effect)
+		return ev_transition_effect_new (EV_TRANSITION_EFFECT_REPLACE, NULL);
+
+	return effect;
+}