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/* ev-document-transition.c
* this file is part of atril, a mate document viewer
*
* Copyright (C) 2006 Carlos Garcia Campos <carlosgc@gnome.org>
*
* Atril is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Atril is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include "ev-document-transition.h"
G_DEFINE_INTERFACE (EvDocumentTransition, ev_document_transition, 0)
static void
ev_document_transition_default_init (EvDocumentTransitionInterface *klass)
{
}
gdouble
ev_document_transition_get_page_duration (EvDocumentTransition *document_trans,
gint page)
{
EvDocumentTransitionInterface *iface = EV_DOCUMENT_TRANSITION_GET_IFACE (document_trans);
if (iface->get_page_duration)
return iface->get_page_duration (document_trans, page);
return -1;
}
EvTransitionEffect *
ev_document_transition_get_effect (EvDocumentTransition *document_trans,
gint page)
{
EvDocumentTransitionInterface *iface = EV_DOCUMENT_TRANSITION_GET_IFACE (document_trans);
EvTransitionEffect *effect = NULL;
if (iface->get_effect)
effect = iface->get_effect (document_trans, page);
if (!effect)
return ev_transition_effect_new (EV_TRANSITION_EFFECT_REPLACE, NULL);
return effect;
}
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