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GESTrackObject: Subclass from GInitiallyUnowned

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The floating reference will be owned by the Track
This commit is contained in:
Edward Hervey 2010-12-20 11:58:21 +01:00
parent c90f399bfb
commit 752e6cfb75
3 changed files with 17 additions and 6 deletions
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3
ges/ges-track-object.c
View file

@ -34,7 +34,8 @@
#include "ges-track-object.h"
#include "ges-timeline-object.h"
G_DEFINE_ABSTRACT_TYPE (GESTrackObject, ges_track_object, G_TYPE_OBJECT);
G_DEFINE_ABSTRACT_TYPE (GESTrackObject, ges_track_object,
G_TYPE_INITIALLY_UNOWNED);
struct _GESTrackObjectPrivate
{

4
ges/ges-track-object.h
View file

@ -78,7 +78,7 @@ typedef struct _GESTrackObjectPrivate GESTrackObjectPrivate;
* The GESTrackObject base class.
*/
struct _GESTrackObject {
GObject parent;
GInitiallyUnowned parent;
/*< private >*/
guint64 start;
@ -111,7 +111,7 @@ struct _GESTrackObject {
*/
struct _GESTrackObjectClass {
/*< private >*/
GObjectClass parent_class;
GInitiallyUnownedClass parent_class;
/*< public >*/
/* virtual methods for subclasses */

16
ges/ges-track.c
View file

@ -292,9 +292,12 @@ ges_track_set_caps (GESTrack * track, const GstCaps * caps)
/**
* ges_track_add_object:
* @track: a #GESTrack
* @object: the #GESTrackObject to add
* @object: (transfer full): the #GESTrackObject to add
*
* Adds the given object to the track.
* Adds the given object to the track. Sets the object's controlling track,
* and thus takes ownership of the @object.
*
* An object can only be added to one track.
*
* Returns: #TRUE if the object was properly added. #FALSE if the track does not
* want to accept the object.
@ -333,6 +336,8 @@ ges_track_add_object (GESTrack * track, GESTrackObject * object)
return FALSE;
}
g_object_ref_sink (object);
track->priv->trackobjects = g_list_append (track->priv->trackobjects, object);
return TRUE;
@ -343,7 +348,10 @@ ges_track_add_object (GESTrack * track, GESTrackObject * object)
* @track: a #GESTrack
* @object: the #GESTrackObject to remove
*
* Removes the object from the track.
* Removes the object from the track and unparents it.
* Unparenting it means the reference owned by @track on the @object will be
* removed. If you wish to use the @object after this function, make sure you
* call g_object_ref() before removing it from the @track.
*
* Returns: #TRUE if the object was removed, else #FALSE if the track
* could not remove the object (like if it didn't belong to the track).
@ -377,6 +385,8 @@ ges_track_remove_object (GESTrack * track, GESTrackObject * object)
ges_track_object_set_track (object, NULL);
priv->trackobjects = g_list_remove (priv->trackobjects, object);
g_object_unref (object);
return TRUE;
}