Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include "atkwrapper.hxx"
      22             : 
      23             : #include <com/sun/star/accessibility/XAccessibleValue.hpp>
      24             : 
      25             : #include <stdio.h>
      26             : #include <string.h>
      27             : 
      28             : using namespace ::com::sun::star;
      29             : 
      30             : static accessibility::XAccessibleValue*
      31           0 :     getValue( AtkValue *pValue ) throw (uno::RuntimeException)
      32             : {
      33           0 :     AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pValue );
      34           0 :     if( pWrap )
      35             :     {
      36           0 :         if( !pWrap->mpValue && pWrap->mpContext )
      37             :         {
      38           0 :             uno::Any any = pWrap->mpContext->queryInterface( accessibility::XAccessibleValue::static_type(NULL) );
      39           0 :             pWrap->mpValue = reinterpret_cast< accessibility::XAccessibleValue * > (any.pReserved);
      40           0 :             pWrap->mpValue->acquire();
      41             :         }
      42             : 
      43           0 :         return pWrap->mpValue;
      44             :     }
      45             : 
      46           0 :     return NULL;
      47             : }
      48             : 
      49           0 : static void anyToGValue( uno::Any aAny, GValue *pValue )
      50             : {
      51             :     // FIXME: expand to lots of types etc.
      52           0 :     double aDouble=0;
      53           0 :     aAny >>= aDouble;
      54             : 
      55           0 :     memset( pValue,  0, sizeof( GValue ) );
      56           0 :     g_value_init( pValue, G_TYPE_DOUBLE );
      57           0 :     g_value_set_double( pValue, aDouble );
      58           0 : }
      59             : 
      60             : extern "C" {
      61             : 
      62             : static void
      63           0 : value_wrapper_get_current_value( AtkValue *value,
      64             :                                  GValue   *gval )
      65             : {
      66             :     try {
      67           0 :         accessibility::XAccessibleValue* pValue = getValue( value );
      68           0 :         if( pValue )
      69           0 :             anyToGValue( pValue->getCurrentValue(), gval );
      70             :     }
      71           0 :     catch(const uno::Exception& e) {
      72           0 :         g_warning( "Exception in getCurrentValue()" );
      73             :     }
      74           0 : }
      75             : 
      76             : static void
      77           0 : value_wrapper_get_maximum_value( AtkValue *value,
      78             :                                  GValue   *gval )
      79             : {
      80             :     try {
      81           0 :         accessibility::XAccessibleValue* pValue = getValue( value );
      82           0 :         if( pValue )
      83           0 :             anyToGValue( pValue->getMaximumValue(), gval );
      84             :     }
      85           0 :     catch(const uno::Exception& e) {
      86           0 :         g_warning( "Exception in getCurrentValue()" );
      87             :     }
      88           0 : }
      89             : 
      90             : static void
      91           0 : value_wrapper_get_minimum_value( AtkValue *value,
      92             :                                  GValue   *gval )
      93             : {
      94             :     try {
      95           0 :         accessibility::XAccessibleValue* pValue = getValue( value );
      96           0 :         if( pValue )
      97           0 :             anyToGValue( pValue->getMinimumValue(), gval );
      98             :     }
      99           0 :     catch(const uno::Exception& e) {
     100           0 :         g_warning( "Exception in getCurrentValue()" );
     101             :     }
     102           0 : }
     103             : 
     104             : static gboolean
     105           0 : value_wrapper_set_current_value( AtkValue     *value,
     106             :                                  const GValue *gval )
     107             : {
     108             :     try {
     109           0 :         accessibility::XAccessibleValue* pValue = getValue( value );
     110           0 :         if( pValue )
     111             :         {
     112             :             // FIXME - this needs expanding
     113           0 :             double aDouble = g_value_get_double( gval );
     114           0 :             uno::Any aAny;
     115           0 :             aAny <<= aDouble;
     116           0 :             return pValue->setCurrentValue( aAny );
     117             :         }
     118             :     }
     119           0 :     catch(const uno::Exception& e) {
     120           0 :         g_warning( "Exception in getCurrentValue()" );
     121             :     }
     122             : 
     123           0 :     return FALSE;
     124             : }
     125             : 
     126             : } // extern "C"
     127             : 
     128             : void
     129           0 : valueIfaceInit (AtkValueIface *iface)
     130             : {
     131           0 :   g_return_if_fail (iface != NULL);
     132             : 
     133           0 :   iface->get_current_value = value_wrapper_get_current_value;
     134           0 :   iface->get_maximum_value = value_wrapper_get_maximum_value;
     135           0 :   iface->get_minimum_value = value_wrapper_get_minimum_value;
     136           0 :   iface->set_current_value = value_wrapper_set_current_value;
     137             : }
     138             : 
     139             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */