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             : #include "atkwrapper.hxx"
      21             : 
      22             : #include <com/sun/star/accessibility/XAccessibleValue.hpp>
      23             : 
      24             : #include <stdio.h>
      25             : #include <string.h>
      26             : 
      27             : using namespace ::com::sun::star;
      28             : 
      29             : static accessibility::XAccessibleValue*
      30           0 :     getValue( AtkValue *pValue ) throw (uno::RuntimeException)
      31             : {
      32           0 :     AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pValue );
      33           0 :     if( pWrap )
      34             :     {
      35           0 :         if( !pWrap->mpValue && pWrap->mpContext )
      36             :         {
      37           0 :             uno::Any any = pWrap->mpContext->queryInterface( cppu::UnoType<accessibility::XAccessibleValue>::get() );
      38           0 :             pWrap->mpValue = reinterpret_cast< accessibility::XAccessibleValue * > (any.pReserved);
      39           0 :             pWrap->mpValue->acquire();
      40             :         }
      41             : 
      42           0 :         return pWrap->mpValue;
      43             :     }
      44             : 
      45           0 :     return NULL;
      46             : }
      47             : 
      48           0 : static void anyToGValue( uno::Any aAny, GValue *pValue )
      49             : {
      50             :     // FIXME: expand to lots of types etc.
      51           0 :     double aDouble=0;
      52           0 :     aAny >>= aDouble;
      53             : 
      54           0 :     memset( pValue,  0, sizeof( GValue ) );
      55           0 :     g_value_init( pValue, G_TYPE_DOUBLE );
      56           0 :     g_value_set_double( pValue, aDouble );
      57           0 : }
      58             : 
      59             : extern "C" {
      60             : 
      61             : static void
      62           0 : value_wrapper_get_current_value( AtkValue *value,
      63             :                                  GValue   *gval )
      64             : {
      65             :     try {
      66           0 :         accessibility::XAccessibleValue* pValue = getValue( value );
      67           0 :         if( pValue )
      68           0 :             anyToGValue( pValue->getCurrentValue(), gval );
      69             :     }
      70           0 :     catch(const uno::Exception&) {
      71           0 :         g_warning( "Exception in getCurrentValue()" );
      72             :     }
      73           0 : }
      74             : 
      75             : static void
      76           0 : value_wrapper_get_maximum_value( AtkValue *value,
      77             :                                  GValue   *gval )
      78             : {
      79             :     try {
      80           0 :         accessibility::XAccessibleValue* pValue = getValue( value );
      81           0 :         if( pValue )
      82           0 :             anyToGValue( pValue->getMaximumValue(), gval );
      83             :     }
      84           0 :     catch(const uno::Exception&) {
      85           0 :         g_warning( "Exception in getCurrentValue()" );
      86             :     }
      87           0 : }
      88             : 
      89             : static void
      90           0 : value_wrapper_get_minimum_value( AtkValue *value,
      91             :                                  GValue   *gval )
      92             : {
      93             :     try {
      94           0 :         accessibility::XAccessibleValue* pValue = getValue( value );
      95           0 :         if( pValue )
      96           0 :             anyToGValue( pValue->getMinimumValue(), gval );
      97             :     }
      98           0 :     catch(const uno::Exception&) {
      99           0 :         g_warning( "Exception in getCurrentValue()" );
     100             :     }
     101           0 : }
     102             : 
     103             : static gboolean
     104           0 : value_wrapper_set_current_value( AtkValue     *value,
     105             :                                  const GValue *gval )
     106             : {
     107             :     try {
     108           0 :         accessibility::XAccessibleValue* pValue = getValue( value );
     109           0 :         if( pValue )
     110             :         {
     111             :             // FIXME - this needs expanding
     112           0 :             double aDouble = g_value_get_double( gval );
     113           0 :             uno::Any aAny;
     114           0 :             aAny <<= aDouble;
     115           0 :             return pValue->setCurrentValue( aAny );
     116             :         }
     117             :     }
     118           0 :     catch(const uno::Exception&) {
     119           0 :         g_warning( "Exception in getCurrentValue()" );
     120             :     }
     121             : 
     122           0 :     return FALSE;
     123             : }
     124             : 
     125             : } // extern "C"
     126             : 
     127             : void
     128           0 : valueIfaceInit (AtkValueIface *iface)
     129             : {
     130           0 :   g_return_if_fail (iface != NULL);
     131             : 
     132           0 :   iface->get_current_value = value_wrapper_get_current_value;
     133           0 :   iface->get_maximum_value = value_wrapper_get_maximum_value;
     134           0 :   iface->get_minimum_value = value_wrapper_get_minimum_value;
     135           0 :   iface->set_current_value = value_wrapper_set_current_value;
     136             : }
     137             : 
     138             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */