static void
st_icon_update (StIcon *icon)
{
StIconPrivate *priv = icon->priv;
StThemeNode *theme_node;
StTextureCache *cache;
if (priv->pending_texture)
{
clutter_actor_destroy (priv->pending_texture);
g_object_unref (priv->pending_texture);
priv->pending_texture = NULL;
priv->opacity_handler_id = 0;
}
theme_node = st_widget_peek_theme_node (ST_WIDGET (icon));
if (theme_node == NULL)
return;
cache = st_texture_cache_get_default ();
if (priv->gicon)
{
priv->pending_texture = st_texture_cache_load_gicon (cache,
(priv->icon_type != ST_ICON_APPLICATION &&
priv->icon_type != ST_ICON_DOCUMENT) ?
theme_node : NULL,
priv->gicon,
priv->icon_size);
}
else if (priv->icon_name)
{
priv->pending_texture = st_texture_cache_load_icon_name (cache,
theme_node,
priv->icon_name,
priv->icon_type,
priv->icon_size);
}
if (priv->pending_texture)
{
g_object_ref_sink (priv->pending_texture);
if (clutter_actor_get_opacity (priv->pending_texture) != 0 || priv->icon_texture == NULL)
{
/* This icon is ready for showing, or nothing else is already showing */
st_icon_finish_update (icon);
}
else
{
/* Will be shown when fully loaded */
priv->opacity_handler_id = g_signal_connect (priv->pending_texture, "notify::opacity", G_CALLBACK (opacity_changed_cb), icon);
}
}
else if (priv->icon_texture)
{
clutter_actor_destroy (priv->icon_texture);
priv->icon_texture = NULL;
}
}
static void
opacity_changed_cb (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
StIcon *icon = user_data;
StIconPrivate *priv = icon->priv;
g_signal_handler_disconnect (priv->pending_texture, priv->opacity_handler_id);
priv->opacity_handler_id = 0;
st_icon_finish_update (icon);
}
static void
st_icon_update (StIcon *icon)
{
StIconPrivate *priv = icon->priv;
StThemeNode *theme_node;
StTextureCache *cache;
gint scale;
ClutterActor *stage;
StThemeContext *context;
if (priv->pending_texture)
{
clutter_actor_destroy (priv->pending_texture);
g_object_unref (priv->pending_texture);
priv->pending_texture = NULL;
priv->opacity_handler_id = 0;
}
theme_node = st_widget_peek_theme_node (ST_WIDGET (icon));
if (theme_node == NULL)
return;
stage = clutter_actor_get_stage (CLUTTER_ACTOR (icon));
context = st_theme_context_get_for_stage (CLUTTER_STAGE (stage));
g_object_get (context, "scale-factor", &scale, NULL);
cache = st_texture_cache_get_default ();
if (priv->gicon != NULL)
priv->pending_texture = st_texture_cache_load_gicon (cache,
theme_node,
priv->gicon,
priv->icon_size,
scale);
if (priv->pending_texture == NULL && priv->fallback_gicon != NULL)
priv->pending_texture = st_texture_cache_load_gicon (cache,
theme_node,
priv->fallback_gicon,
priv->icon_size,
scale);
if (priv->pending_texture)
{
g_object_ref_sink (priv->pending_texture);
if (clutter_actor_get_opacity (priv->pending_texture) != 0 || priv->icon_texture == NULL)
{
/* This icon is ready for showing, or nothing else is already showing */
st_icon_finish_update (icon);
}
else
{
/* Will be shown when fully loaded */
priv->opacity_handler_id = g_signal_connect_object (priv->pending_texture, "notify::opacity", G_CALLBACK (opacity_changed_cb), icon, 0);
}
}
else if (priv->icon_texture)
{
clutter_actor_destroy (priv->icon_texture);
priv->icon_texture = NULL;
}
}