/* ev-document-links.h * this file is part of atril, a mate document_links viewer * * Copyright (C) 2004 Red Hat, Inc. * * Author: * Jonathan Blandford <jrb@alum.mit.edu> * * 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-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; }