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/* ev-document-links.h
* this file is part of evince, a gnome document_links viewer
*
* Copyright (C) 2004 Red Hat, Inc.
*
* Author:
* Jonathan Blandford <jrb@alum.mit.edu>
*
* Evince 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.
*
* Evince 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-links.h"
G_DEFINE_INTERFACE (EvDocumentLinks, ev_document_links, 0)
static void
ev_document_links_default_init (EvDocumentLinksInterface *klass)
{
}
gboolean
ev_document_links_has_document_links (EvDocumentLinks *document_links)
{
EvDocumentLinksInterface *iface = EV_DOCUMENT_LINKS_GET_IFACE (document_links);
gboolean retval;
retval = iface->has_document_links (document_links);
return retval;
}
/**
* ev_document_links_get_links_model:
* @document_links: an #EvDocumentLinks
*
* Returns: (transfer full): a #GtkTreeModel
*/
GtkTreeModel *
ev_document_links_get_links_model (EvDocumentLinks *document_links)
{
EvDocumentLinksInterface *iface = EV_DOCUMENT_LINKS_GET_IFACE (document_links);
GtkTreeModel *retval;
retval = iface->get_links_model (document_links);
return retval;
}
EvMappingList *
ev_document_links_get_links (EvDocumentLinks *document_links,
EvPage *page)
{
EvDocumentLinksInterface *iface = EV_DOCUMENT_LINKS_GET_IFACE (document_links);
return iface->get_links (document_links, page);
}
/**
* ev_document_links_find_link_dest:
* @document_links: an #EvDocumentLinks
* @link_name: the link name
*
* Returns: (transfer full): an #EvLinkDest
*/
EvLinkDest *
ev_document_links_find_link_dest (EvDocumentLinks *document_links,
const gchar *link_name)
{
EvDocumentLinksInterface *iface = EV_DOCUMENT_LINKS_GET_IFACE (document_links);
EvLinkDest *retval;
ev_document_doc_mutex_lock ();
retval = iface->find_link_dest (document_links, link_name);
ev_document_doc_mutex_unlock ();
return retval;
}
gint
ev_document_links_find_link_page (EvDocumentLinks *document_links,
const gchar *link_name)
{
EvDocumentLinksInterface *iface = EV_DOCUMENT_LINKS_GET_IFACE (document_links);
gint retval;
ev_document_doc_mutex_lock ();
retval = iface->find_link_page (document_links, link_name);
ev_document_doc_mutex_unlock ();
return retval;
}
/* Helper functions */
gint
ev_document_links_get_dest_page (EvDocumentLinks *document_links,
EvLinkDest *dest)
{
gint page = -1;
switch (ev_link_dest_get_dest_type (dest)) {
case EV_LINK_DEST_TYPE_NAMED: {
page = ev_document_links_find_link_page (document_links,
ev_link_dest_get_named_dest (dest));
}
break;
case EV_LINK_DEST_TYPE_PAGE_LABEL:
ev_document_find_page_by_label (EV_DOCUMENT (document_links),
ev_link_dest_get_page_label (dest),
&page);
break;
default:
page = ev_link_dest_get_page (dest);
}
return page;
}
gchar *
ev_document_links_get_dest_page_label (EvDocumentLinks *document_links,
EvLinkDest *dest)
{
gchar *label = NULL;
if (ev_link_dest_get_dest_type (dest) == EV_LINK_DEST_TYPE_PAGE_LABEL) {
label = g_strdup (ev_link_dest_get_page_label (dest));
} else {
gint page;
page = ev_document_links_get_dest_page (document_links, dest);
if (page != -1)
label = ev_document_get_page_label (EV_DOCUMENT (document_links),
page);
}
return label;
}
static EvLinkDest *
get_link_dest (EvLink *link)
{
EvLinkAction *action;
action = ev_link_get_action (link);
if (!action)
return NULL;
if (ev_link_action_get_action_type (action) !=
EV_LINK_ACTION_TYPE_GOTO_DEST)
return NULL;
return ev_link_action_get_dest (action);
}
gint
ev_document_links_get_link_page (EvDocumentLinks *document_links,
EvLink *link)
{
EvLinkDest *dest;
dest = get_link_dest (link);
return dest ? ev_document_links_get_dest_page (document_links, dest) : -1;
}
gchar *
ev_document_links_get_link_page_label (EvDocumentLinks *document_links,
EvLink *link)
{
EvLinkDest *dest;
dest = get_link_dest (link);
return dest ? ev_document_links_get_dest_page_label (document_links, dest) : NULL;
}
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