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childproxy: make gst_child_proxy_lookup() a proper GstChildProxy method

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No longer accept any old GObjects. This makes things nicer for
bindings. If a utility function that handles both nicely
is deemed worthwhile, we can still add one to gstutils.

https://bugzilla.gnome.org/show_bug.cgi?id=681681
This commit is contained in:
Tim-Philipp Müller 2012-08-12 13:24:18 +01:00
parent 718a10edda
commit ffa60dc3ee
2 changed files with 12 additions and 11 deletions
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21
gst/gstchildproxy.c
View file

@ -163,7 +163,7 @@ gst_child_proxy_get_children_count (GstChildProxy * parent)
/**
* gst_child_proxy_lookup:
* @object: object to lookup the property in
* @childproxy: child proxy object to lookup the property in
* @name: name of the property to look up
* @target: (out) (allow-none) (transfer full): pointer to a #GObject that
* takes the real object to set property on
@ -179,19 +179,20 @@ gst_child_proxy_get_children_count (GstChildProxy * parent)
* usage. For plain GObjects @target is the same as @object.
*/
gboolean
gst_child_proxy_lookup (GObject * object, const gchar * name,
gst_child_proxy_lookup (GstChildProxy * childproxy, const gchar * name,
GObject ** target, GParamSpec ** pspec)
{
GObject *object;
gboolean res = FALSE;
gchar **names, **current;
g_return_val_if_fail (G_IS_OBJECT (object), FALSE);
g_return_val_if_fail (GST_IS_CHILD_PROXY (childproxy), FALSE);
g_return_val_if_fail (name != NULL, FALSE);
g_object_ref (object);
object = g_object_ref (childproxy);
current = names = g_strsplit (name, "::", -1);
// find the owner of the property
/* find the owner of the property */
while (current[1]) {
GObject *next;
@ -212,7 +213,7 @@ gst_child_proxy_lookup (GObject * object, const gchar * name,
current++;
}
// look for psec
/* look for psec */
if (current[1] == NULL) {
GParamSpec *spec =
g_object_class_find_property (G_OBJECT_GET_CLASS (object), current[0]);
@ -253,7 +254,7 @@ gst_child_proxy_get_property (GstChildProxy * object, const gchar * name,
g_return_if_fail (name != NULL);
g_return_if_fail (G_IS_VALUE (value));
if (!gst_child_proxy_lookup ((GObject *) object, name, &target, &pspec))
if (!gst_child_proxy_lookup (object, name, &target, &pspec))
goto not_found;
g_object_get_property (target, pspec->name, value);
@ -293,7 +294,7 @@ gst_child_proxy_get_valist (GstChildProxy * object,
/* iterate over pairs */
while (name) {
if (!gst_child_proxy_lookup ((GObject *) object, name, &target, &pspec))
if (!gst_child_proxy_lookup (object, name, &target, &pspec))
goto not_found;
g_value_init (&value, pspec->value_type);
@ -363,7 +364,7 @@ gst_child_proxy_set_property (GstChildProxy * object, const gchar * name,
g_return_if_fail (name != NULL);
g_return_if_fail (G_IS_VALUE (value));
if (!gst_child_proxy_lookup ((GObject *) object, name, &target, &pspec))
if (!gst_child_proxy_lookup (object, name, &target, &pspec))
goto not_found;
g_object_set_property (target, pspec->name, value);
@ -402,7 +403,7 @@ gst_child_proxy_set_valist (GstChildProxy * object,
/* iterate over pairs */
while (name) {
if (!gst_child_proxy_lookup ((GObject *) object, name, &target, &pspec))
if (!gst_child_proxy_lookup (object, name, &target, &pspec))
goto not_found;
G_VALUE_COLLECT_INIT (&value, pspec->value_type, var_args,

2
gst/gstchildproxy.h
View file

@ -74,7 +74,7 @@ GObject * gst_child_proxy_get_child_by_name (GstChildProxy * parent, const gcha
guint gst_child_proxy_get_children_count (GstChildProxy * parent);
GObject * gst_child_proxy_get_child_by_index (GstChildProxy * parent, guint index);
gboolean gst_child_proxy_lookup (GObject *object, const gchar *name,
gboolean gst_child_proxy_lookup (GstChildProxy *object, const gchar *name,
GObject **target, GParamSpec **pspec);
void gst_child_proxy_get_property (GstChildProxy * object, const gchar *name,