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 "ev-sidebar-page.h"
  26 #include <gtk/gtk.h>
  27
  28 static void ev_sidebar_page_iface_init (gpointer iface);
  29
  30 GType
  31 ev_sidebar_page_get_type (void)
  32 {
  33         static GType type = 0;
  34
  35         if (G_UNLIKELY (type == 0))
  36         {
  37                 static const GTypeInfo sidebar_page_info =
  38                 {
  39                         sizeof (EvSidebarPageIface),
  40                         NULL,
  41                         NULL,
  42                         (GClassInitFunc)ev_sidebar_page_iface_init,
  43                 };
  44
  45                 type = g_type_register_static (G_TYPE_INTERFACE,
  46                                                "EvSidebarPage",
  47                                                &sidebar_page_info, (GTypeFlags)0);
  48         }
  49
  50         return type;
  51 }
  52
  53
  54 gboolean
  55 ev_sidebar_page_support_document  (EvSidebarPage    *sidebar_page,
  56                                    EvDocument *document)
  57 {
  58         EvSidebarPageIface *iface;
  59
  60         g_return_val_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page), FALSE);
  61         g_return_val_if_fail (EV_IS_DOCUMENT (document), FALSE);
  62
  63         iface = EV_SIDEBAR_PAGE_GET_IFACE (sidebar_page);
  64
  65         g_return_val_if_fail (iface->set_document, FALSE);
  66
  67         return iface->support_document (sidebar_page, document);
  68 }
  69
  70 void
  71 ev_sidebar_page_set_document      (EvSidebarPage    *sidebar_page,
  72                                    EvDocument *document)
  73 {
  74         EvSidebarPageIface *iface;
  75
  76         g_return_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page));
  77         g_return_if_fail (EV_IS_DOCUMENT (document));
  78
  79         iface = EV_SIDEBAR_PAGE_GET_IFACE (sidebar_page);
  80
  81         g_return_if_fail (iface->set_document);
  82
  83         iface->set_document (sidebar_page, document);
  84
  85         return;
  86 }
  87
  88 const gchar*
  89 ev_sidebar_page_get_label (EvSidebarPage    *sidebar_page)
  90 {
  91         EvSidebarPageIface *iface;
  92
  93         g_return_val_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page), NULL);
  94
  95         iface = EV_SIDEBAR_PAGE_GET_IFACE (sidebar_page);
  96
  97         g_return_val_if_fail (iface->get_label, NULL);
  98
  99         return iface->get_label (sidebar_page);
 100 }
 101
 102
 103 static void ev_sidebar_page_iface_init (gpointer         iface)
 104 {
 105         g_object_interface_install_property (iface,
 106                                              g_param_spec_object ("main-widget",
 107                                                                   "Main Widget",
 108                                                                   "Main page widget, used to handle focus",
 109                                                                   GTK_TYPE_WIDGET,
 110                                                                   G_PARAM_READABLE));
 111 }