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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 <accessibility/standard/vclxaccessiblescrollbar.hxx>
21 :
22 : #include <toolkit/awt/vclxwindows.hxx>
23 : #include <accessibility/helper/accresmgr.hxx>
24 : #include <accessibility/helper/accessiblestrings.hrc>
25 :
26 : #include <unotools/accessiblestatesethelper.hxx>
27 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
28 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
29 : #include <com/sun/star/awt/ScrollBarOrientation.hpp>
30 : #include <cppuhelper/typeprovider.hxx>
31 : #include <comphelper/sequence.hxx>
32 : #include <vcl/scrbar.hxx>
33 :
34 : using namespace ::com::sun::star;
35 : using namespace ::com::sun::star::uno;
36 : using namespace ::com::sun::star::awt;
37 : using namespace ::com::sun::star::lang;
38 : using namespace ::com::sun::star::beans;
39 : using namespace ::com::sun::star::accessibility;
40 : using namespace ::comphelper;
41 :
42 : // -----------------------------------------------------------------------------
43 : // VCLXAccessibleScrollBar
44 : // -----------------------------------------------------------------------------
45 :
46 0 : VCLXAccessibleScrollBar::VCLXAccessibleScrollBar( VCLXWindow* pVCLWindow )
47 0 : :VCLXAccessibleComponent( pVCLWindow )
48 : {
49 0 : }
50 :
51 : // -----------------------------------------------------------------------------
52 :
53 0 : VCLXAccessibleScrollBar::~VCLXAccessibleScrollBar()
54 : {
55 0 : }
56 :
57 : // -----------------------------------------------------------------------------
58 :
59 0 : void VCLXAccessibleScrollBar::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
60 : {
61 0 : switch ( rVclWindowEvent.GetId() )
62 : {
63 : case VCLEVENT_SCROLLBAR_SCROLL:
64 : {
65 0 : NotifyAccessibleEvent( AccessibleEventId::VALUE_CHANGED, Any(), Any() );
66 : }
67 0 : break;
68 : default:
69 0 : VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent );
70 : }
71 0 : }
72 :
73 : // -----------------------------------------------------------------------------
74 :
75 0 : void VCLXAccessibleScrollBar::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
76 : {
77 0 : VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
78 :
79 0 : VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() );
80 0 : if ( pVCLXScrollBar )
81 : {
82 0 : rStateSet.AddState( AccessibleStateType::FOCUSABLE );
83 0 : if ( pVCLXScrollBar->getOrientation() == ScrollBarOrientation::HORIZONTAL )
84 0 : rStateSet.AddState( AccessibleStateType::HORIZONTAL );
85 0 : else if ( pVCLXScrollBar->getOrientation() == ScrollBarOrientation::VERTICAL )
86 0 : rStateSet.AddState( AccessibleStateType::VERTICAL );
87 : }
88 0 : }
89 :
90 : // -----------------------------------------------------------------------------
91 : // XInterface
92 : // -----------------------------------------------------------------------------
93 :
94 0 : IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleScrollBar, VCLXAccessibleComponent, VCLXAccessibleScrollBar_BASE )
95 :
96 : // -----------------------------------------------------------------------------
97 : // XTypeProvider
98 : // -----------------------------------------------------------------------------
99 :
100 0 : IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleScrollBar, VCLXAccessibleComponent, VCLXAccessibleScrollBar_BASE )
101 :
102 : // -----------------------------------------------------------------------------
103 : // XServiceInfo
104 : // -----------------------------------------------------------------------------
105 :
106 0 : OUString VCLXAccessibleScrollBar::getImplementationName() throw (RuntimeException)
107 : {
108 0 : return OUString( "com.sun.star.comp.toolkit.AccessibleScrollBar" );
109 : }
110 :
111 : // -----------------------------------------------------------------------------
112 :
113 0 : Sequence< OUString > VCLXAccessibleScrollBar::getSupportedServiceNames() throw (RuntimeException)
114 : {
115 0 : Sequence< OUString > aNames(1);
116 0 : aNames[0] = "com.sun.star.awt.AccessibleScrollBar";
117 0 : return aNames;
118 : }
119 :
120 : // -----------------------------------------------------------------------------
121 : // XAccessibleAction
122 : // -----------------------------------------------------------------------------
123 :
124 0 : sal_Int32 VCLXAccessibleScrollBar::getAccessibleActionCount( ) throw (RuntimeException)
125 : {
126 0 : OExternalLockGuard aGuard( this );
127 :
128 0 : return 4;
129 : }
130 :
131 : // -----------------------------------------------------------------------------
132 :
133 0 : sal_Bool VCLXAccessibleScrollBar::doAccessibleAction ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
134 : {
135 0 : OExternalLockGuard aGuard( this );
136 :
137 0 : if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
138 0 : throw IndexOutOfBoundsException();
139 :
140 0 : sal_Bool bReturn = sal_False;
141 0 : ScrollBar* pScrollBar = static_cast< ScrollBar* >( GetWindow() );
142 0 : if ( pScrollBar )
143 : {
144 : ScrollType eScrollType;
145 0 : switch ( nIndex )
146 : {
147 0 : case 0: eScrollType = SCROLL_LINEUP; break;
148 0 : case 1: eScrollType = SCROLL_LINEDOWN; break;
149 0 : case 2: eScrollType = SCROLL_PAGEUP; break;
150 0 : case 3: eScrollType = SCROLL_PAGEDOWN; break;
151 0 : default: eScrollType = SCROLL_DONTKNOW; break;
152 : }
153 0 : if ( pScrollBar->DoScrollAction( eScrollType ) )
154 0 : bReturn = sal_True;
155 : }
156 :
157 0 : return bReturn;
158 : }
159 :
160 : // -----------------------------------------------------------------------------
161 :
162 0 : OUString VCLXAccessibleScrollBar::getAccessibleActionDescription ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
163 : {
164 0 : OExternalLockGuard aGuard( this );
165 :
166 0 : if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
167 0 : throw IndexOutOfBoundsException();
168 :
169 0 : OUString sDescription;
170 :
171 0 : switch ( nIndex )
172 : {
173 0 : case 0: sDescription = OUString( TK_RES_STRING( RID_STR_ACC_ACTION_DECLINE ) ); break;
174 0 : case 1: sDescription = OUString( TK_RES_STRING( RID_STR_ACC_ACTION_INCLINE ) ); break;
175 0 : case 2: sDescription = OUString( TK_RES_STRING( RID_STR_ACC_ACTION_DECBLOCK ) ); break;
176 0 : case 3: sDescription = OUString( TK_RES_STRING( RID_STR_ACC_ACTION_INCBLOCK ) ); break;
177 0 : default: break;
178 : }
179 :
180 0 : return sDescription;
181 : }
182 :
183 : // -----------------------------------------------------------------------------
184 :
185 0 : Reference< XAccessibleKeyBinding > VCLXAccessibleScrollBar::getAccessibleActionKeyBinding( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
186 : {
187 0 : OExternalLockGuard aGuard( this );
188 :
189 0 : if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
190 0 : throw IndexOutOfBoundsException();
191 :
192 0 : return Reference< XAccessibleKeyBinding >();
193 : }
194 :
195 : // -----------------------------------------------------------------------------
196 : // XAccessibleValue
197 : // -----------------------------------------------------------------------------
198 :
199 0 : Any VCLXAccessibleScrollBar::getCurrentValue( ) throw (RuntimeException)
200 : {
201 0 : OExternalLockGuard aGuard( this );
202 :
203 0 : Any aValue;
204 :
205 0 : VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() );
206 0 : if ( pVCLXScrollBar )
207 0 : aValue <<= (sal_Int32) pVCLXScrollBar->getValue();
208 :
209 0 : return aValue;
210 : }
211 :
212 : // -----------------------------------------------------------------------------
213 :
214 0 : sal_Bool VCLXAccessibleScrollBar::setCurrentValue( const Any& aNumber ) throw (RuntimeException)
215 : {
216 0 : OExternalLockGuard aGuard( this );
217 :
218 0 : sal_Bool bReturn = sal_False;
219 :
220 0 : VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() );
221 0 : if ( pVCLXScrollBar )
222 : {
223 0 : sal_Int32 nValue = 0, nValueMin = 0, nValueMax = 0;
224 0 : OSL_VERIFY( aNumber >>= nValue );
225 0 : OSL_VERIFY( getMinimumValue() >>= nValueMin );
226 0 : OSL_VERIFY( getMaximumValue() >>= nValueMax );
227 :
228 0 : if ( nValue < nValueMin )
229 0 : nValue = nValueMin;
230 0 : else if ( nValue > nValueMax )
231 0 : nValue = nValueMax;
232 :
233 0 : pVCLXScrollBar->setValue( nValue );
234 0 : bReturn = sal_True;
235 : }
236 :
237 0 : return bReturn;
238 : }
239 :
240 : // -----------------------------------------------------------------------------
241 :
242 0 : Any VCLXAccessibleScrollBar::getMaximumValue( ) throw (RuntimeException)
243 : {
244 0 : OExternalLockGuard aGuard( this );
245 :
246 0 : Any aValue;
247 :
248 0 : VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() );
249 0 : if ( pVCLXScrollBar )
250 0 : aValue <<= (sal_Int32) pVCLXScrollBar->getMaximum();
251 :
252 0 : return aValue;
253 : }
254 :
255 : // -----------------------------------------------------------------------------
256 :
257 0 : Any VCLXAccessibleScrollBar::getMinimumValue( ) throw (RuntimeException)
258 : {
259 0 : OExternalLockGuard aGuard( this );
260 :
261 0 : Any aValue;
262 0 : aValue <<= (sal_Int32) 0;
263 :
264 0 : return aValue;
265 : }
266 :
267 : // -----------------------------------------------------------------------------
268 :
269 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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