vcl/unx/gtk/a11y/atkimage.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_vcl.hxx"
  33
  34 #include "atkwrapper.hxx"
  35
  36 #include <com/sun/star/accessibility/XAccessibleImage.hpp>
  37
  38 #include <stdio.h>
  39
  40 using namespace ::com::sun::star;
  41
  42 // FIXME
  43 static G_CONST_RETURN gchar *
  44 getAsConst( rtl::OUString rString )
  45 {
  46     static const int nMax = 10;
  47     static rtl::OString aUgly[nMax];
  48     static int nIdx = 0;
  49     nIdx = (nIdx + 1) % nMax;
  50     aUgly[nIdx] = rtl::OUStringToOString( rString, RTL_TEXTENCODING_UTF8 );
  51     return aUgly[ nIdx ];
  52 }
  53
  54 static accessibility::XAccessibleImage*
  55     getImage( AtkImage *pImage ) throw (uno::RuntimeException)
  56 {
  57     AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pImage );
  58     if( pWrap )
  59     {
  60         if( !pWrap->mpImage && pWrap->mpContext )
  61         {
  62             uno::Any any = pWrap->mpContext->queryInterface( accessibility::XAccessibleImage::static_type(NULL) );
  63             pWrap->mpImage = reinterpret_cast< accessibility::XAccessibleImage * > (any.pReserved);
  64             pWrap->mpImage->acquire();
  65         }
  66
  67         return pWrap->mpImage;
  68     }
  69
  70     return NULL;
  71 }
  72
  73 extern "C" {
  74
  75 static G_CONST_RETURN gchar *
  76 image_get_image_description( AtkImage *image )
  77 {
  78     try {
  79         accessibility::XAccessibleImage* pImage = getImage( image );
  80         if( pImage )
  81             return getAsConst( pImage->getAccessibleImageDescription() );
  82     }
  83     catch(const uno::Exception& e) {
  84         g_warning( "Exception in getAccessibleImageDescription()" );
  85     }
  86
  87     return NULL;
  88 }
  89
  90 static void
  91 image_get_image_position( AtkImage     *image,
  92                           gint         *x,
  93                           gint         *y,
  94                           AtkCoordType  coord_type )
  95 {
  96     *x = *y = 0;
  97     if( ATK_IS_COMPONENT( image ) )
  98         atk_component_get_position( ATK_COMPONENT( image ), x, y, coord_type );
  99     else
 100         g_warning( "FIXME: no image position information" );
 101 }
 102
 103 static void
 104 image_get_image_size( AtkImage *image,
 105                       gint     *width,
 106                       gint     *height )
 107 {
 108     *width = 0;
 109     *height = 0;
 110     try {
 111         accessibility::XAccessibleImage* pImage = getImage( image );
 112         if( pImage )
 113         {
 114             *width = pImage->getAccessibleImageWidth();
 115             *height = pImage->getAccessibleImageHeight();
 116         }
 117     }
 118     catch(const uno::Exception& e) {
 119         g_warning( "Exception in getAccessibleImageHeight() or Width" );
 120     }
 121 }
 122
 123 static gboolean
 124 image_set_image_description( AtkImage *, const gchar * )
 125 {
 126     g_warning ("FIXME: no set image description");
 127     return FALSE;
 128 }
 129
 130 } // extern "C"
 131
 132 void
 133 imageIfaceInit (AtkImageIface *iface)
 134 {
 135   g_return_if_fail (iface != NULL);
 136
 137   iface->set_image_description = image_set_image_description;
 138   iface->get_image_description = image_get_image_description;
 139   iface->get_image_position = image_get_image_position;
 140   iface->get_image_size = image_get_image_size;
 141 }