e: enable preload for edje in e_widget_preview.

SVN revision: 83720

ChangeLog

@@ -1,3 +1,7 @@
+2013-02-07 Cedric Bail
+
+	* enable image preloading for all e_widget_preview using edje
+
 2013-02-07 Mike Blumenkrantz
 
         * added option for remembering filemanager windows globally

NEWS

@@ -96,6 +96,7 @@ Improvements:
     * new tab in focus settings for pointer warping
     * unify all pointer warp animators
     * clock listens to /etc/timezone changes now too
+    * enable image preloading for all e_widget_preview using edje
 
 Fixes:
     * IBar menu didn't allow to configure different icon sources, show contents menu even on empty IBar.

src/bin/e_widget_preview.c

@@ -167,6 +167,16 @@ e_widget_preview_file_get(Evas_Object *obj, const char **file, const char **grou
    edje_object_file_get(wd->o_thumb, file, group);
 }
 
+static void
+_e_widget_preview_edje_preloaded(void *data, Evas_Object *obj,
+                                 const char *emission EINA_UNUSED,
+                                 const char *source EINA_UNUSED)
+{
+   E_Widget_Data *wd = data;
+
+   evas_object_show(wd->o_thumb);
+}
+
 EAPI int
 e_widget_preview_edje_set(Evas_Object *obj, const char *file, const char *group)
 {
@@ -177,7 +187,9 @@ e_widget_preview_edje_set(Evas_Object *obj, const char *file, const char *group)
    if (wd->o_thumb) evas_object_del(wd->o_thumb);
    wd->o_thumb = edje_object_add(e_livethumb_evas_get(wd->img));
    ret = edje_object_file_set(wd->o_thumb, file, group);
-   evas_object_show(wd->o_thumb);
+   edje_object_signal_callback_add(wd->o_thumb,
+                                   "preload,done", "",
+                                   _e_widget_preview_edje_preloaded, wd);
    e_livethumb_thumb_set(wd->img, wd->o_thumb);
 
    e_widget_change(obj);