shell/ev-sidebar-page.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /*
   3  *  Copyright (C) 2005 Marco Pesenti Gritti
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  *
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #include <gtk/gtk.h>
  26
  27 #include "ev-sidebar-page.h"
  28
  29 static void ev_sidebar_page_iface_init (gpointer iface);
  30
  31 GType
  32 ev_sidebar_page_get_type (void)
  33 {
  34         static GType type = 0;
  35
  36         if (G_UNLIKELY (type == 0))
  37         {
  38                 const GTypeInfo sidebar_page_info =
  39                 {
  40                         sizeof (EvSidebarPageIface),
  41                         NULL,
  42                         NULL,
  43                         (GClassInitFunc)ev_sidebar_page_iface_init,
  44                 };
  45
  46                 type = g_type_register_static (G_TYPE_INTERFACE,
  47                                                "EvSidebarPage",
  48                                                &sidebar_page_info, (GTypeFlags)0);
  49         }
  50
  51         return type;
  52 }
  53
  54
  55 gboolean
  56 ev_sidebar_page_support_document  (EvSidebarPage    *sidebar_page,
  57                                    EvDocument *document)
  58 {
  59         EvSidebarPageIface *iface;
  60
  61         g_return_val_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page), FALSE);
  62         g_return_val_if_fail (EV_IS_DOCUMENT (document), FALSE);
  63
  64         iface = EV_SIDEBAR_PAGE_GET_IFACE (sidebar_page);
  65
  66         g_return_val_if_fail (iface->set_document, FALSE);
  67
  68         return iface->support_document (sidebar_page, document);
  69 }
  70
  71 void
  72 ev_sidebar_page_set_document      (EvSidebarPage    *sidebar_page,
  73                                    EvDocument *document)
  74 {
  75         EvSidebarPageIface *iface;
  76
  77         g_return_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page));
  78         g_return_if_fail (EV_IS_DOCUMENT (document));
  79
  80         iface = EV_SIDEBAR_PAGE_GET_IFACE (sidebar_page);
  81
  82         g_return_if_fail (iface->set_document);
  83
  84         iface->set_document (sidebar_page, document);
  85
  86         return;
  87 }
  88
  89 const gchar*
  90 ev_sidebar_page_get_label (EvSidebarPage    *sidebar_page)
  91 {
  92         EvSidebarPageIface *iface;
  93
  94         g_return_val_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page), NULL);
  95
  96         iface = EV_SIDEBAR_PAGE_GET_IFACE (sidebar_page);
  97
  98         g_return_val_if_fail (iface->get_label, NULL);
  99
 100         return iface->get_label (sidebar_page);
 101 }
 102
 103
 104 static void ev_sidebar_page_iface_init (gpointer         iface)
 105 {
 106         g_object_interface_install_property (iface,
 107                                              g_param_spec_object ("main-widget",
 108                                                                   "Main Widget",
 109                                                                   "Main page widget, used to handle focus",
 110                                                                   GTK_TYPE_WIDGET,
 111                                                                   G_PARAM_READABLE));
 112 }