From d3ca0b2466a5a02907f1f6bcf19781ac4e4c1b3f Mon Sep 17 00:00:00 2001
From: Jonathan Atton <jonathan.atton@gmail.com>
Date: Tue, 20 Jul 2010 19:33:40 +0000
Subject: [PATCH] els_icon : hide the object while the image is preloading

SVN revision: 50390
---
 legacy/elementary/src/lib/els_icon.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/legacy/elementary/src/lib/els_icon.c b/legacy/elementary/src/lib/els_icon.c
index 8bf1fddc81..dd81dbe772 100644
--- a/legacy/elementary/src/lib/els_icon.c
+++ b/legacy/elementary/src/lib/els_icon.c
@@ -12,6 +12,8 @@ struct _Smart_Data
    unsigned char fill_inside : 1;
    unsigned char scale_up : 1;
    unsigned char scale_down : 1;
+   unsigned char preloading : 1;
+   unsigned char show : 1;
 };
 
 /* local subsystem functions */
@@ -53,7 +55,9 @@ _els_smart_icon_file_key_set(Evas_Object *obj, const char *file, const char *key
    if (sd->size != 0)
      evas_object_image_load_size_set(sd->obj, sd->size, sd->size);
    evas_object_image_file_set(sd->obj, file, key);
+   sd->preloading = 1;
    evas_object_image_preload(sd->obj, EINA_FALSE);
+   evas_object_hide(sd->obj);
    if (evas_object_image_load_error_get(sd->obj) != EVAS_LOAD_ERROR_NONE)
      return EINA_FALSE;
    _smart_reconfigure(sd);
@@ -338,6 +342,16 @@ _smart_reconfigure(Smart_Data *sd)
      }
 }
 
+static void
+_preloaded(void *data, Evas *e, Evas_Object *obj, void *event)
+{
+	Smart_Data *sd = data;
+
+	sd->preloading = 0;
+	if(sd->show)
+		evas_object_show(sd->obj);
+}
+
 static void
 _smart_init(void)
 {
@@ -388,6 +402,7 @@ _smart_add(Evas_Object *obj)
    sd->scale = 1.0;
    evas_object_smart_member_add(sd->obj, obj);
    evas_object_smart_data_set(obj, sd);
+   evas_object_event_callback_add(sd->obj, EVAS_CALLBACK_IMAGE_PRELOADED, _preloaded, sd);
 }
 
 static void
@@ -434,7 +449,9 @@ _smart_show(Evas_Object *obj)
 
    sd = evas_object_smart_data_get(obj);
    if (!sd) return;
-   evas_object_show(sd->obj);
+   sd->show = 1;
+   if(!sd->preloading)
+	   evas_object_show(sd->obj);
 }
 
 static void
@@ -444,6 +461,7 @@ _smart_hide(Evas_Object *obj)
 
    sd = evas_object_smart_data_get(obj);
    if (!sd) return;
+   sd->show = 0;
    evas_object_hide(sd->obj);
 }