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nautilus-view-factory.c

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

   nautilus-view-factory.c: register and create NautilusViews
 
   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 "nautilus-view-factory.h"

static GList *registered_views;

void
nautilus_view_factory_register (NautilusViewInfo *view_info)
{
      g_return_if_fail (view_info != NULL);
      g_return_if_fail (view_info->id != NULL);
      g_return_if_fail (nautilus_view_factory_lookup (view_info->id) == NULL);
      
      registered_views = g_list_append (registered_views, view_info);
}

const NautilusViewInfo *
nautilus_view_factory_lookup (const char *id)
{
      GList *l;
      NautilusViewInfo *view_info;

      g_return_val_if_fail (id != NULL, NULL);

      
      for (l = registered_views; l != NULL; l = l->next) {
            view_info = l->data;
            
            if (strcmp (view_info->id, id) == 0) {
                  return view_info;
            }
      }
      return NULL;
}

NautilusView *
nautilus_view_factory_create (const char *id,
                        NautilusWindowSlotInfo *slot)
{
      const NautilusViewInfo *view_info;
      NautilusView *view;

      view_info = nautilus_view_factory_lookup (id);
      if (view_info == NULL) {
            return NULL;
      }

      view = view_info->create (slot);
      if (g_object_is_floating (view)) {
            g_object_ref_sink (view);
      }
      return view;
}

gboolean
nautilus_view_factory_view_supports_uri (const char *id,
                               GFile *location,
                               GFileType file_type,
                               const char *mime_type)
{
      const NautilusViewInfo *view_info;
      char *uri;
      gboolean res;

      view_info = nautilus_view_factory_lookup (id);
      if (view_info == NULL) {
            return FALSE;
      }
      uri = g_file_get_uri (location);
      res = view_info->supports_uri (uri, file_type, mime_type);
      g_free (uri);
      return res;
      
}

GList *
nautilus_view_factory_get_views_for_uri (const char *uri,
                               GFileType file_type,
                               const char *mime_type)
{
      GList *l, *res;
      const NautilusViewInfo *view_info;

      res = NULL;
      
      for (l = registered_views; l != NULL; l = l->next) {
            view_info = l->data;

            if (view_info->supports_uri (uri, file_type, mime_type)) {
                  res = g_list_prepend (res, g_strdup (view_info->id));
            }
      }
      
      return g_list_reverse (res);
}



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