atk/atkdocument.c

   1 /* ATK -  Accessibility Toolkit
   2  * Copyright 2001 Sun Microsystems Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "atkdocument.h"
  21
  22 GType
  23 atk_document_get_type ()
  24 {
  25   static GType type = 0;
  26
  27   if (!type) {
  28     static const GTypeInfo tinfo =
  29     {
  30       sizeof (AtkDocumentIface),
  31       (GBaseInitFunc) NULL,
  32       (GBaseFinalizeFunc) NULL,
  33
  34     };
  35
  36     type = g_type_register_static (G_TYPE_INTERFACE, "AtkDocument", &tinfo, 0);
  37   }
  38
  39   return type;
  40 }
  41
  42 /**
  43  * atk_document_get_document_type:
  44  * @document: a #GObject instance that implements AtkDocumentIface
  45  *
  46  * Gets a string indicating the document type.
  47  *
  48  * Returns: a string indicating the document type
  49  **/
  50 G_CONST_RETURN gchar*
  51 atk_document_get_document_type (AtkDocument *document)
  52 {
  53   AtkDocumentIface *iface;
  54
  55   g_return_val_if_fail (ATK_IS_DOCUMENT (document), NULL);
  56
  57   iface = ATK_DOCUMENT_GET_IFACE (document);
  58
  59   if (iface->get_document_type)
  60     {
  61       return (iface->get_document_type) (document);
  62     }
  63   else
  64     {
  65       return NULL;
  66     }
  67 }
  68
  69 /**
  70  * atk_document_get_document:
  71  * @document: a #GObject instance that implements AtkDocumentIface
  72  *
  73  * Gets a %gpointer that points to an instance of the DOM.  It is
  74  * up to the caller to check atk_document_get_type to determine
  75  * how to cast this pointer.
  76  *
  77  * Returns: a %gpointer that points to an instance of the DOM.
  78  **/
  79 gpointer
  80 atk_document_get_document (AtkDocument *document)
  81 {
  82   AtkDocumentIface *iface;
  83
  84   g_return_val_if_fail (ATK_IS_DOCUMENT (document), NULL);
  85
  86   iface = ATK_DOCUMENT_GET_IFACE (document);
  87
  88   if (iface->get_document)
  89     {
  90       return (iface->get_document) (document);
  91     }
  92   else
  93     {
  94       return NULL;
  95     }
  96 }
  97