1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_vcl.hxx" 26 27 #include "atkwrapper.hxx" 28 29 #include <com/sun/star/accessibility/XAccessibleValue.hpp> 30 31 #include <stdio.h> 32 #include <string.h> 33 34 using namespace ::com::sun::star; 35 36 static accessibility::XAccessibleValue* 37 getValue( AtkValue *pValue ) throw (uno::RuntimeException) 38 { 39 AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pValue ); 40 if( pWrap ) 41 { 42 if( !pWrap->mpValue && pWrap->mpContext ) 43 { 44 uno::Any any = pWrap->mpContext->queryInterface( accessibility::XAccessibleValue::static_type(NULL) ); 45 pWrap->mpValue = reinterpret_cast< accessibility::XAccessibleValue * > (any.pReserved); 46 pWrap->mpValue->acquire(); 47 } 48 49 return pWrap->mpValue; 50 } 51 52 return NULL; 53 } 54 55 static void anyToGValue( uno::Any aAny, GValue *pValue ) 56 { 57 // FIXME: expand to lots of types etc. 58 double aDouble=0; 59 aAny >>= aDouble; 60 61 memset( pValue, 0, sizeof( GValue ) ); 62 g_value_init( pValue, G_TYPE_DOUBLE ); 63 g_value_set_double( pValue, aDouble ); 64 } 65 66 extern "C" { 67 68 static void 69 value_wrapper_get_current_value( AtkValue *value, 70 GValue *gval ) 71 { 72 try { 73 accessibility::XAccessibleValue* pValue = getValue( value ); 74 if( pValue ) 75 anyToGValue( pValue->getCurrentValue(), gval ); 76 } 77 catch(const uno::Exception& e) { 78 g_warning( "Exception in getCurrentValue()" ); 79 } 80 } 81 82 static void 83 value_wrapper_get_maximum_value( AtkValue *value, 84 GValue *gval ) 85 { 86 try { 87 accessibility::XAccessibleValue* pValue = getValue( value ); 88 if( pValue ) 89 anyToGValue( pValue->getMaximumValue(), gval ); 90 } 91 catch(const uno::Exception& e) { 92 g_warning( "Exception in getCurrentValue()" ); 93 } 94 } 95 96 static void 97 value_wrapper_get_minimum_value( AtkValue *value, 98 GValue *gval ) 99 { 100 try { 101 accessibility::XAccessibleValue* pValue = getValue( value ); 102 if( pValue ) 103 anyToGValue( pValue->getMinimumValue(), gval ); 104 } 105 catch(const uno::Exception& e) { 106 g_warning( "Exception in getCurrentValue()" ); 107 } 108 } 109 110 static gboolean 111 value_wrapper_set_current_value( AtkValue *value, 112 const GValue *gval ) 113 { 114 try { 115 accessibility::XAccessibleValue* pValue = getValue( value ); 116 if( pValue ) 117 { 118 // FIXME - this needs expanding 119 double aDouble = g_value_get_double( gval ); 120 uno::Any aAny; 121 aAny <<= aDouble; 122 return pValue->setCurrentValue( aAny ); 123 } 124 } 125 catch(const uno::Exception& e) { 126 g_warning( "Exception in getCurrentValue()" ); 127 } 128 129 return FALSE; 130 } 131 132 } // extern "C" 133 134 void 135 valueIfaceInit (AtkValueIface *iface) 136 { 137 g_return_if_fail (iface != NULL); 138 139 iface->get_current_value = value_wrapper_get_current_value; 140 iface->get_maximum_value = value_wrapper_get_maximum_value; 141 iface->get_minimum_value = value_wrapper_get_minimum_value; 142 iface->set_current_value = value_wrapper_set_current_value; 143 } 144