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container: Properly implement ges_container_group

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This commit is contained in:
Thibault Saunier 2013-03-23 09:46:38 +01:00
parent 15c1481a56
commit b5f2c819fc
3 changed files with 40 additions and 3 deletions
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1
ges/ges-clip.c
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@ -473,6 +473,7 @@ ges_clip_class_init (GESClipClass * klass)
container_class->remove_child = _remove_child;
container_class->ungroup = _ungroup;
container_class->group = _group;
container_class->grouping_priority = G_MAXUINT;
klass->need_fill_track = TRUE;
}

40
ges/ges-container.c
View file

@ -139,6 +139,25 @@ _free_mapping (ChildMapping * mapping)
g_slice_free (ChildMapping, mapping);
}
static gint
compare_grouping_prio (GType * a, GType * b)
{
gint ret = 0;
GObjectClass *aclass = g_type_class_ref (*a);
GObjectClass *bclass = g_type_class_ref (*b);
if (GES_CONTAINER_CLASS (aclass)->grouping_priority <
GES_CONTAINER_CLASS (bclass)->grouping_priority)
ret = -1;
else if (GES_CONTAINER_CLASS (aclass)->grouping_priority >
GES_CONTAINER_CLASS (bclass)->grouping_priority)
ret = 1;
g_type_class_unref (aclass);
g_type_class_unref (bclass);
return ret;
}
/*****************************************************
* *
* GESTimelineElement virtual methods implementation *
@ -390,6 +409,7 @@ ges_container_class_init (GESContainerClass * klass)
klass->add_child = NULL;
klass->ungroup = NULL;
klass->group = NULL;
klass->grouping_priority = 0;
}
static void
@ -734,11 +754,15 @@ GESContainer *
ges_container_group (GList * containers)
{
GList *tmp;
GESContainer *ret;
guint n_children;
GESTimeline *timeline;
GType *children_types;
GESTimelineElement *element;
GObjectClass *clip_class;
guint i = 0;
GESContainer *ret = NULL;
g_return_val_if_fail (containers, NULL);
element = GES_TIMELINE_ELEMENT (containers->data);
timeline = ges_timeline_element_get_timeline (element);
@ -753,8 +777,18 @@ ges_container_group (GList * containers)
(GES_TIMELINE_ELEMENT (tmp->data)) == timeline, NULL);
}
clip_class = g_type_class_peek (GES_TYPE_CLIP);
ret = GES_CONTAINER_CLASS (clip_class)->group (containers);
children_types = g_type_children (GES_TYPE_CONTAINER, &n_children);
g_qsort_with_data (children_types, n_children, sizeof (GType),
(GCompareDataFunc) compare_grouping_prio, NULL);
for (i = 0; i < n_children; i++) {
clip_class = g_type_class_peek (children_types[i]);
ret = GES_CONTAINER_CLASS (clip_class)->group (containers);
if (ret)
break;
}
g_free (children_types);
return ret;
}

2
ges/ges-container.h
View file

@ -118,6 +118,8 @@ struct _GESContainerClass
/*< private >*/
guint grouping_priority;
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING_LARGE];
};