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125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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* 2009 Nokia Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _GES_TIMELINE_LAYER
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#define _GES_TIMELINE_LAYER
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#include <glib-object.h>
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#include <ges/ges-types.h>
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G_BEGIN_DECLS
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#define GES_TYPE_TIMELINE_LAYER ges_timeline_layer_get_type()
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#define GES_TIMELINE_LAYER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TIMELINE_LAYER, GESTimelineLayer))
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#define GES_TIMELINE_LAYER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TIMELINE_LAYER, GESTimelineLayerClass))
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#define GES_IS_TIMELINE_LAYER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TIMELINE_LAYER))
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#define GES_IS_TIMELINE_LAYER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TIMELINE_LAYER))
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#define GES_TIMELINE_LAYER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TIMELINE_LAYER, GESTimelineLayerClass))
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typedef struct _GESTimelineLayerPrivate GESTimelineLayerPrivate;
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/**
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* GESTimelineLayer:
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* @timeline: the #GESTimeline where this layer is being used.
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*/
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struct _GESTimelineLayer {
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GInitiallyUnowned parent;
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/*< public >*/
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GESTimeline *timeline;
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/*< protected >*/
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guint32 min_gnl_priority, max_gnl_priority;
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GESTimelineLayerPrivate *priv;
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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/**
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* GESTimelineLayerClass:
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* @get_objects: method to get the objects contained in the layer
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*
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* Subclasses can override the @get_objects if they can provide a more
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* efficient way of providing the list of contained #GESTimelineObject(s).
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*/
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struct _GESTimelineLayerClass {
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/*< private >*/
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GInitiallyUnownedClass parent_class;
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/*< public >*/
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/* virtual methods for subclasses */
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GList *(*get_objects) (GESTimelineLayer * layer);
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/*< private >*/
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/* Signals */
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void (*object_added) (GESTimelineLayer * layer, GESTimelineObject * object);
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void (*object_removed) (GESTimelineLayer * layer, GESTimelineObject * object);
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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GType ges_timeline_layer_get_type (void);
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GESTimelineLayer* ges_timeline_layer_new (void);
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void ges_timeline_layer_set_timeline (GESTimelineLayer * layer,
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GESTimeline * timeline);
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GESTimeline *
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ges_timeline_layer_get_timeline (GESTimelineLayer * layer);
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gboolean ges_timeline_layer_add_object (GESTimelineLayer * layer,
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GESTimelineObject * object);
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gboolean ges_timeline_layer_remove_object (GESTimelineLayer * layer,
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GESTimelineObject * object);
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void ges_timeline_layer_set_priority (GESTimelineLayer * layer,
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guint priority);
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gboolean ges_timeline_layer_is_empty (GESTimelineLayer * layer);
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guint ges_timeline_layer_get_priority (GESTimelineLayer * layer);
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gboolean ges_timeline_layer_get_auto_transition (GESTimelineLayer * layer);
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void ges_timeline_layer_set_auto_transition (GESTimelineLayer * layer,
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gboolean auto_transition);
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GList* ges_timeline_layer_get_objects (GESTimelineLayer * layer);
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G_END_DECLS
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#endif /* _GES_TIMELINE_LAYER */
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