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