ivi-shell: remove content_observer notification

The content observer notification struct and its
set API (ivi_layout_surface_set_content_observer)
are removed. Because they are unused.

Signed-off-by: Emre Ucan <eucan@de.adit-jv.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

ivi-shell/ivi-layout-export.h

@@ -320,17 +320,6 @@ struct ivi_layout_interface {
 	int32_t (*surface_set_orientation)(struct ivi_layout_surface *ivisurf,
 					   enum wl_output_transform orientation);
 
-	/**
-	 * \brief Set an observer callback for ivi_surface content status change.
-	 *
-	 * \return IVI_SUCCEEDED if the method call was successful
-	 * \return IVI_FAILED if the method call was failed
-	 */
-	int32_t (*surface_set_content_observer)(
-				struct ivi_layout_surface *ivisurf,
-				ivi_controller_surface_content_callback callback,
-				void* userdata);
-
 	/**
 	 * \brief register for notification on property changes of ivi_surface
 	 *

ivi-shell/ivi-layout-private.h

@@ -54,11 +54,6 @@ struct ivi_layout_surface {
 		struct wl_list layer_list;
 	} order;
 
-	struct {
-		ivi_controller_surface_content_callback callback;
-		void *userdata;
-	} content_observer;
-
 	struct wl_signal configured;
 };
 

ivi-shell/ivi-layout.c

@@ -2394,21 +2394,6 @@ ivi_layout_surface_configure(struct ivi_layout_surface *ivisurf,
 		       ivisurf);
 }
 
-static int32_t
-ivi_layout_surface_set_content_observer(struct ivi_layout_surface *ivisurf,
-					ivi_controller_surface_content_callback callback,
-					void* userdata)
-{
-	int32_t ret = IVI_FAILED;
-
-	if (ivisurf != NULL) {
-		ivisurf->content_observer.callback = callback;
-		ivisurf->content_observer.userdata = userdata;
-		ret = IVI_SUCCEEDED;
-	}
-	return ret;
-}
-
 struct ivi_layout_surface*
 ivi_layout_surface_create(struct weston_surface *wl_surface,
 			  uint32_t id_surface)
@@ -2530,7 +2515,6 @@ static struct ivi_layout_interface ivi_layout_interface = {
 	.surface_set_source_rectangle		= ivi_layout_surface_set_source_rectangle,
 	.surface_set_destination_rectangle	= ivi_layout_surface_set_destination_rectangle,
 	.surface_set_orientation		= ivi_layout_surface_set_orientation,
-	.surface_set_content_observer		= ivi_layout_surface_set_content_observer,
 	.surface_add_notification		= ivi_layout_surface_add_notification,
 	.surface_remove_notification		= ivi_layout_surface_remove_notification,
 	.surface_get_weston_surface		= ivi_layout_surface_get_weston_surface,