timeline-element: Add a method to get the TrackType it interacts with

API:
  + ges_timeline_element_get_track_types

diff --git a/docs/libs/ges-sections.txt b/docs/libs/ges-sections.txt
index bdf124b..68d0b0a 100644 (file)
--- a/docs/libs/ges-sections.txt
+++ b/docs/libs/ges-sections.txt
@@ -468,6 +468,7 @@ ges_timeline_element_set_child_property
 ges_timeline_element_get_child_property
 ges_timeline_element_add_child_property
 ges_timeline_element_remove_child_property
+ges_timeline_element_get_track_types
 GES_TIMELINE_ELEMENT_PARENT
 GES_TIMELINE_ELEMENT_TIMELINE
 GES_TIMELINE_ELEMENT_START

diff --git a/ges/ges-container.c b/ges/ges-container.c
index 7b26f89..03a8276 100644 (file)
--- a/ges/ges-container.c
+++ b/ges/ges-container.c
@@ -265,6 +265,24 @@ _lookup_child (GESTimelineElement * self, const gchar * prop_name,
       (self, prop_name, child, pspec);
 }
 
+static GESTrackType
+_get_track_types (GESTimelineElement * object)
+{
+  GESTrackType types = GES_TRACK_TYPE_UNKNOWN;
+  GList *tmp, *children = ges_container_get_children (GES_CONTAINER (object),
+      TRUE);
+
+  for (tmp = children; tmp; tmp = tmp->next) {
+    if (GES_IS_TRACK_ELEMENT (tmp->data)) {
+      types |= ges_timeline_element_get_track_types (tmp->data);
+    }
+  }
+
+  g_list_free_full (children, gst_object_unref);
+
+  return types ^ GES_TRACK_TYPE_UNKNOWN;
+}
+
 /******************************************
  *                                        *
  * GObject virtual methods implementation *
@@ -363,6 +381,7 @@ ges_container_class_init (GESContainerClass * klass)
   element_class->set_inpoint = _set_inpoint;
   element_class->list_children_properties = _list_children_properties;
   element_class->lookup_child = _lookup_child;
+  element_class->get_track_types = _get_track_types;
 
   /* No default implementations */
   klass->remove_child = NULL;

diff --git a/ges/ges-timeline-element.c b/ges/ges-timeline-element.c
index 6e5ded8..059dbfe 100644 (file)
--- a/ges/ges-timeline-element.c
+++ b/ges/ges-timeline-element.c
@@ -1649,3 +1649,20 @@ ges_timeline_element_remove_child_property (GESTimelineElement * self,
 {
   return g_hash_table_remove (self->priv->children_props, pspec);
 }
+
+/**
+ * ges_timeline_element_get_track_types:
+ * @self: A #GESTimelineElement
+ *
+ * Gets all the TrackTypes @self will interact with
+ *
+ * Since: 1.6.0
+ */
+GESTrackType
+ges_timeline_element_get_track_types (GESTimelineElement * self)
+{
+  g_return_if_fail (GES_IS_TIMELINE_ELEMENT (self));
+  g_return_if_fail (GES_TIMELINE_ELEMENT_GET_CLASS (self)->get_track_types);
+
+  return GES_TIMELINE_ELEMENT_GET_CLASS (self)->get_track_types (self);
+}

diff --git a/ges/ges-timeline-element.h b/ges/ges-timeline-element.h
index ba0d561..0e521f5 100644 (file)
--- a/ges/ges-timeline-element.h
+++ b/ges/ges-timeline-element.h
@@ -190,6 +190,7 @@ struct _GESTimelineElementClass
   GParamSpec** (*list_children_properties) (GESTimelineElement * self, guint *n_properties);
   gboolean (*lookup_child)                 (GESTimelineElement *self, const gchar *prop_name,
                                             GObject **child, GParamSpec **pspec);
+  GESTrackType (*get_track_types)          (GESTimelineElement * self);
 
   /*< private > */
   /* Padding for API extension */
@@ -276,6 +277,8 @@ gboolean ges_timeline_element_add_child_property   (GESTimelineElement * self,
 gboolean ges_timeline_element_remove_child_property(GESTimelineElement * self,
                                                     GParamSpec *pspec);
 
+GESTrackType ges_timeline_element_get_track_types  (GESTimelineElement * self);
+
 G_END_DECLS
 
 #endif /* _GES_TIMELINE_ELEMENT_H_ */

diff --git a/ges/ges-track-element.c b/ges/ges-track-element.c
index f4a68a4..3ae4184 100644 (file)
--- a/ges/ges-track-element.c
+++ b/ges/ges-track-element.c
@@ -101,6 +101,7 @@ static gboolean _set_inpoint (GESTimelineElement * element,
 static gboolean _set_duration (GESTimelineElement * element,
     GstClockTime duration);
 static gboolean _set_priority (GESTimelineElement * element, guint32 priority);
+GESTrackType _get_track_types (GESTimelineElement * object);
 
 static GParamSpec **default_list_children_properties (GESTrackElement * object,
     guint * n_properties);
@@ -279,6 +280,7 @@ ges_track_element_class_init (GESTrackElementClass * klass)
   element_class->set_duration = _set_duration;
   element_class->set_inpoint = _set_inpoint;
   element_class->set_priority = _set_priority;
+  element_class->get_track_types = _get_track_types;
   element_class->deep_copy = ges_track_element_copy_properties;
 
   klass->create_gnl_object = ges_track_element_create_gnl_object_func;
@@ -503,6 +505,12 @@ _set_priority (GESTimelineElement * element, guint32 priority)
   return TRUE;
 }
 
+GESTrackType
+_get_track_types (GESTimelineElement * object)
+{
+  return ges_track_element_get_track_type (GES_TRACK_ELEMENT (object));
+}
+
 /**
  * ges_track_element_set_active:
  * @object: a #GESTrackElement