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nautilus-view.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-

   nautilus-view.c: Interface for nautilus views
 
   Copyright (C) 2004 Red Hat Inc.
  
   This program 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.
  
   This program 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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
  
   Author: Alexander Larsson <alexl@redhat.com>
*/

#include <config.h>
#include "nautilus-view.h"

enum {
      TITLE_CHANGED,
      ZOOM_LEVEL_CHANGED,
      LAST_SIGNAL
};

static guint nautilus_view_signals[LAST_SIGNAL] = { 0 };

static void
nautilus_view_base_init (gpointer g_class)
{
      static gboolean initialized = FALSE;

      if (! initialized) {
            nautilus_view_signals[TITLE_CHANGED] =
                  g_signal_new ("title_changed",
                              NAUTILUS_TYPE_VIEW,
                              G_SIGNAL_RUN_LAST,
                              G_STRUCT_OFFSET (NautilusViewIface, title_changed),
                              NULL, NULL,
                              g_cclosure_marshal_VOID__VOID,
                              G_TYPE_NONE, 0);

            nautilus_view_signals[ZOOM_LEVEL_CHANGED] =
                  g_signal_new ("zoom_level_changed",
                              NAUTILUS_TYPE_VIEW,
                              G_SIGNAL_RUN_LAST,
                              G_STRUCT_OFFSET (NautilusViewIface, zoom_level_changed),
                              NULL, NULL,
                              g_cclosure_marshal_VOID__VOID,
                              G_TYPE_NONE, 0);
            
            initialized = TRUE;
      }
}

GType                   
nautilus_view_get_type (void)
{
      static GType type = 0;
      
      if (!type) {
            const GTypeInfo info = {
                  sizeof (NautilusViewIface),
                  nautilus_view_base_init,
                  NULL,
                  NULL,
                  NULL,
                  NULL,
                  0,
                  0,
                  NULL
            };
            
            type = g_type_register_static (G_TYPE_INTERFACE, 
                                     "NautilusView",
                                     &info, 0);
            g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
      }
      
      return type;
}

const char *
nautilus_view_get_view_id (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), NULL);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->get_view_id) (view);
}

GtkWidget *
nautilus_view_get_widget (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), NULL);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->get_widget) (view);
}

void
nautilus_view_load_location (NautilusView *view,
                       const char   *location_uri)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));
      g_return_if_fail (location_uri != NULL);
      
      (* NAUTILUS_VIEW_GET_IFACE (view)->load_location) (view,
                                             location_uri);
}

void
nautilus_view_stop_loading (NautilusView *view)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));
      
      (* NAUTILUS_VIEW_GET_IFACE (view)->stop_loading) (view);
}

int
nautilus_view_get_selection_count (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), 0);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->get_selection_count) (view);
}

GList *
nautilus_view_get_selection (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), NULL);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->get_selection) (view);
}

void
nautilus_view_set_selection (NautilusView *view,
                       GList        *list)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));
      
      (* NAUTILUS_VIEW_GET_IFACE (view)->set_selection) (view,
                                             list);
}

void
nautilus_view_invert_selection (NautilusView *view)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));
      
      (* NAUTILUS_VIEW_GET_IFACE (view)->invert_selection) (view);
}

char *
nautilus_view_get_first_visible_file (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), NULL);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->get_first_visible_file) (view);
}

void
nautilus_view_scroll_to_file (NautilusView *view,
                        const char   *uri)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));
      
      (* NAUTILUS_VIEW_GET_IFACE (view)->scroll_to_file) (view, uri);
}

char *
nautilus_view_get_title (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), NULL);
      
      if (NAUTILUS_VIEW_GET_IFACE (view)->get_title != NULL) {
            return (* NAUTILUS_VIEW_GET_IFACE (view)->get_title) (view);
      } else {
            return NULL;
      }
}


gboolean
nautilus_view_supports_zooming (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), FALSE);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->supports_zooming) (view);
}

void
nautilus_view_bump_zoom_level (NautilusView *view,
                         int zoom_increment)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));
      
      (* NAUTILUS_VIEW_GET_IFACE (view)->bump_zoom_level) (view,
                                               zoom_increment);
}

void
nautilus_view_zoom_to_level (NautilusView      *view,
                       NautilusZoomLevel  level)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));
      
      (* NAUTILUS_VIEW_GET_IFACE (view)->zoom_to_level) (view,
                                             level);
}

void
nautilus_view_restore_default_zoom_level (NautilusView *view)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));
      
      (* NAUTILUS_VIEW_GET_IFACE (view)->restore_default_zoom_level) (view);
}

gboolean
nautilus_view_can_zoom_in (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), FALSE);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->can_zoom_in) (view);
}

gboolean
nautilus_view_can_zoom_out (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), FALSE);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->can_zoom_out) (view);
}

NautilusZoomLevel
nautilus_view_get_zoom_level (NautilusView *view)
{
      g_return_val_if_fail (NAUTILUS_IS_VIEW (view), NAUTILUS_ZOOM_LEVEL_STANDARD);
      
      return (* NAUTILUS_VIEW_GET_IFACE (view)->get_zoom_level) (view);
}

void
nautilus_view_grab_focus (NautilusView   *view)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));

      if (NAUTILUS_VIEW_GET_IFACE (view)->grab_focus != NULL) {
            (* NAUTILUS_VIEW_GET_IFACE (view)->grab_focus) (view);
      }
}

void
nautilus_view_pop_up_location_context_menu (NautilusView   *view,
                                  GdkEventButton *event,
                                  const char     *location)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));

      if (NAUTILUS_VIEW_GET_IFACE (view)->pop_up_location_context_menu != NULL) {
            (* NAUTILUS_VIEW_GET_IFACE (view)->pop_up_location_context_menu) (view, event, location);
      }
}

void
nautilus_view_drop_proxy_received_uris   (NautilusView         *view,
                                GList                *uris,
                                const char           *target_location,
                                GdkDragAction         action)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));

      if (NAUTILUS_VIEW_GET_IFACE (view)->drop_proxy_received_uris != NULL) {
            (* NAUTILUS_VIEW_GET_IFACE (view)->drop_proxy_received_uris) (view, uris, target_location, action);
      }
}

void
nautilus_view_drop_proxy_received_netscape_url (NautilusView         *view,
                                    const char           *source_url,
                                    const char           *target_location,
                                    GdkDragAction         action)
{
      g_return_if_fail (NAUTILUS_IS_VIEW (view));

      if (NAUTILUS_VIEW_GET_IFACE (view)->drop_proxy_received_netscape_url != NULL) {
            (* NAUTILUS_VIEW_GET_IFACE (view)->drop_proxy_received_netscape_url) (view, source_url, target_location, action);
      }
}



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