libspi/image.c

   1 /*
   2  * AT-SPI - Assistive Technology Service Provider Interface
   3  * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
   4  *
   5  * Copyright 2001 Sun Microsystems Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 /*
  24  * component.c : bonobo wrapper for accessible component implementation
  25  *
  26  */
  27 #include <config.h>
  28 #include <bonobo/Bonobo.h>
  29
  30 #include <stdio.h>
  31
  32 /*
  33  * This pulls the CORBA definitions for the "Accessibility::Accessible" server
  34  */
  35 #include <libspi/Accessibility.h>
  36
  37 /*
  38  * This pulls the definition of the image bonobo object
  39  */
  40 #include "image.h"
  41
  42 /*
  43  * Static function declarations
  44  */
  45
  46 static void
  47 image_class_init (ImageClass *klass);
  48 static void
  49 image_init (Image *image);
  50 static void
  51 image_finalize (GObject *obj);
  52 static void
  53 impl_getImagePosition (PortableServer_Servant _servant,
  54                        CORBA_long * x, CORBA_long * y,
  55                        const CORBA_short coordType,
  56                        CORBA_Environment * ev);
  57 static void
  58 impl_getImageSize (PortableServer_Servant _servant,
  59                    CORBA_long * width, CORBA_long * height,
  60                    CORBA_Environment * ev);
  61 static CORBA_string
  62 impl__get_imageDescription (PortableServer_Servant _servant,
  63                           CORBA_Environment * ev);
  64
  65
  66 static GObjectClass *parent_class;
  67
  68 GType
  69 image_get_type (void)
  70 {
  71   static GType type = 0;
  72
  73   if (!type) {
  74     static const GTypeInfo tinfo = {
  75       sizeof (ImageClass),
  76       (GBaseInitFunc) NULL,
  77       (GBaseFinalizeFunc) NULL,
  78       (GClassInitFunc) image_class_init,
  79       (GClassFinalizeFunc) NULL,
  80       NULL, /* class data */
  81       sizeof (Image),
  82       0, /* n preallocs */
  83       (GInstanceInitFunc) image_init,
  84                         NULL /* value table */
  85     };
  86
  87     /*
  88      * Bonobo_type_unique auto-generates a load of
  89      * CORBA structures for us. All derived types must
  90      * use bonobo_type_unique.
  91      */
  92     type = bonobo_type_unique (
  93                                BONOBO_OBJECT_TYPE,
  94                                POA_Accessibility_Image__init,
  95                                NULL,
  96                                G_STRUCT_OFFSET (ImageClass, epv),
  97                                &tinfo,
  98                                "AccessibleImage");
  99   }
 100
 101   return type;
 102 }
 103
 104 static void
 105 image_class_init (ImageClass *klass)
 106 {
 107   GObjectClass * object_class = (GObjectClass *) klass;
 108   POA_Accessibility_Image__epv *epv = &klass->epv;
 109   parent_class = g_type_class_peek_parent (klass);
 110
 111   object_class->finalize = image_finalize;
 112
 113
 114   /* Initialize epv table */
 115
 116   epv->getImagePosition = impl_getImagePosition;
 117   epv->getImageSize = impl_getImageSize;
 118   epv->_get_imageDescription = impl__get_imageDescription;
 119 }
 120
 121 static void
 122 image_init (Image *image)
 123 {
 124 }
 125
 126 static void
 127 image_finalize (GObject *obj)
 128 {
 129   Image *image = IMAGE (obj);
 130   image->atk_image = NULL;
 131   parent_class->finalize (obj);
 132 }
 133
 134 Image *
 135 image_new (AtkImage *image)
 136 {
 137   Image *new_image =
 138     IMAGE(g_object_new (IMAGE_TYPE, NULL));
 139   new_image->atk_image = image;
 140   return new_image;
 141 }
 142
 143
 144
 145 static void
 146 impl_getImagePosition (PortableServer_Servant _servant,
 147                        CORBA_long * x, CORBA_long * y,
 148                        const CORBA_short coordType,
 149                        CORBA_Environment * ev)
 150 {
 151   Image *image = IMAGE (bonobo_object_from_servant(_servant));
 152   atk_image_get_image_position (image->atk_image,
 153                                 (gint *) x, (gint *) y,
 154                                 (AtkCoordType) coordType);
 155 }
 156
 157
 158
 159 static void
 160 impl_getImageSize (PortableServer_Servant _servant,
 161                    CORBA_long * width, CORBA_long * height,
 162                             CORBA_Environment * ev)
 163 {
 164   Image *image = IMAGE (bonobo_object_from_servant(_servant));
 165   atk_image_get_image_size (image->atk_image,
 166                             (gint *) width, (gint *) height);
 167 }
 168
 169
 170
 171 static CORBA_string
 172 impl__get_imageDescription (PortableServer_Servant _servant,
 173                           CORBA_Environment * ev)
 174 {
 175   Image *image = IMAGE (bonobo_object_from_servant(_servant));
 176   return CORBA_string_dup (
 177                            atk_image_get_image_description (image->atk_image));
 178 }
 179
 180
 181