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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/vclxaccessiblebutton.hxx>
21 : #include <accessibility/helper/accresmgr.hxx>
22 : #include <accessibility/helper/accessiblestrings.hrc>
23 :
24 : #include <unotools/accessiblestatesethelper.hxx>
25 : #include <comphelper/accessiblekeybindinghelper.hxx>
26 : #include <com/sun/star/awt/KeyModifier.hpp>
27 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
28 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
29 : #include <cppuhelper/typeprovider.hxx>
30 : #include <comphelper/sequence.hxx>
31 :
32 : #include <vcl/button.hxx>
33 :
34 : using namespace ::com::sun::star;
35 : using namespace ::com::sun::star::uno;
36 : using namespace ::com::sun::star::lang;
37 : using namespace ::com::sun::star::beans;
38 : using namespace ::com::sun::star::accessibility;
39 : using namespace ::comphelper;
40 :
41 :
42 : // -----------------------------------------------------------------------------
43 : // VCLXAccessibleButton
44 : // -----------------------------------------------------------------------------
45 :
46 0 : VCLXAccessibleButton::VCLXAccessibleButton( VCLXWindow* pVCLWindow )
47 0 : :VCLXAccessibleTextComponent( pVCLWindow )
48 : {
49 0 : }
50 :
51 : // -----------------------------------------------------------------------------
52 :
53 0 : VCLXAccessibleButton::~VCLXAccessibleButton()
54 : {
55 0 : }
56 :
57 : // -----------------------------------------------------------------------------
58 :
59 0 : void VCLXAccessibleButton::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
60 : {
61 0 : switch ( rVclWindowEvent.GetId() )
62 : {
63 : case VCLEVENT_PUSHBUTTON_TOGGLE:
64 : {
65 0 : Any aOldValue;
66 0 : Any aNewValue;
67 :
68 0 : PushButton* pButton = (PushButton*) GetWindow();
69 0 : if ( pButton && pButton->GetState() == STATE_CHECK )
70 0 : aNewValue <<= AccessibleStateType::CHECKED;
71 : else
72 0 : aOldValue <<= AccessibleStateType::CHECKED;
73 :
74 0 : NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
75 : }
76 0 : break;
77 : default:
78 0 : VCLXAccessibleTextComponent::ProcessWindowEvent( rVclWindowEvent );
79 : }
80 0 : }
81 :
82 : // -----------------------------------------------------------------------------
83 :
84 0 : void VCLXAccessibleButton::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
85 : {
86 0 : VCLXAccessibleTextComponent::FillAccessibleStateSet( rStateSet );
87 :
88 0 : PushButton* pButton = (PushButton*) GetWindow();
89 0 : if ( pButton )
90 : {
91 0 : rStateSet.AddState( AccessibleStateType::FOCUSABLE );
92 :
93 0 : if ( pButton->GetState() == STATE_CHECK )
94 0 : rStateSet.AddState( AccessibleStateType::CHECKED );
95 :
96 0 : if ( pButton->IsPressed() )
97 0 : rStateSet.AddState( AccessibleStateType::PRESSED );
98 : }
99 0 : }
100 :
101 : // -----------------------------------------------------------------------------
102 : // XInterface
103 : // -----------------------------------------------------------------------------
104 :
105 0 : IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE )
106 :
107 : // -----------------------------------------------------------------------------
108 : // XTypeProvider
109 : // -----------------------------------------------------------------------------
110 :
111 0 : IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE )
112 :
113 : // -----------------------------------------------------------------------------
114 : // XServiceInfo
115 : // -----------------------------------------------------------------------------
116 :
117 0 : OUString VCLXAccessibleButton::getImplementationName() throw (RuntimeException)
118 : {
119 0 : return OUString( "com.sun.star.comp.toolkit.AccessibleButton" );
120 : }
121 :
122 : // -----------------------------------------------------------------------------
123 :
124 0 : Sequence< OUString > VCLXAccessibleButton::getSupportedServiceNames() throw (RuntimeException)
125 : {
126 0 : Sequence< OUString > aNames(1);
127 0 : aNames[0] = "com.sun.star.awt.AccessibleButton";
128 0 : return aNames;
129 : }
130 :
131 : // -----------------------------------------------------------------------------
132 : // XAccessibleContext
133 : // -----------------------------------------------------------------------------
134 :
135 0 : OUString VCLXAccessibleButton::getAccessibleName( ) throw (RuntimeException)
136 : {
137 0 : OExternalLockGuard aGuard( this );
138 :
139 0 : OUString aName( VCLXAccessibleTextComponent::getAccessibleName() );
140 0 : sal_Int32 nLength = aName.getLength();
141 :
142 0 : if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("..."), nLength - 3 ) )
143 : {
144 0 : if ( nLength == 3 )
145 : {
146 : // it's a browse button
147 0 : aName = OUString( TK_RES_STRING( RID_STR_ACC_NAME_BROWSEBUTTON ) );
148 : }
149 : else
150 : {
151 : // remove the three trailing dots
152 0 : aName = aName.copy( 0, nLength - 3 );
153 : }
154 : }
155 0 : else if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("<< "), 0 ) )
156 : {
157 : // remove the leading symbols
158 0 : aName = aName.copy( 3, nLength - 3 );
159 : }
160 0 : else if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM(" >>"), nLength - 3 ) )
161 : {
162 : // remove the trailing symbols
163 0 : aName = aName.copy( 0, nLength - 3 );
164 : }
165 :
166 0 : return aName;
167 : }
168 :
169 : // -----------------------------------------------------------------------------
170 : // XAccessibleAction
171 : // -----------------------------------------------------------------------------
172 :
173 0 : sal_Int32 VCLXAccessibleButton::getAccessibleActionCount( ) throw (RuntimeException)
174 : {
175 0 : OExternalLockGuard aGuard( this );
176 :
177 0 : return 1;
178 : }
179 :
180 : // -----------------------------------------------------------------------------
181 :
182 0 : sal_Bool VCLXAccessibleButton::doAccessibleAction ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
183 : {
184 0 : OExternalLockGuard aGuard( this );
185 :
186 0 : if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
187 0 : throw IndexOutOfBoundsException();
188 :
189 0 : PushButton* pButton = (PushButton*) GetWindow();
190 0 : if ( pButton )
191 0 : pButton->Click();
192 :
193 0 : return sal_True;
194 : }
195 :
196 : // -----------------------------------------------------------------------------
197 :
198 0 : OUString VCLXAccessibleButton::getAccessibleActionDescription ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
199 : {
200 0 : OExternalLockGuard aGuard( this );
201 :
202 0 : if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
203 0 : throw IndexOutOfBoundsException();
204 :
205 0 : return OUString( TK_RES_STRING( RID_STR_ACC_ACTION_CLICK ) );
206 : }
207 :
208 : // -----------------------------------------------------------------------------
209 :
210 0 : Reference< XAccessibleKeyBinding > VCLXAccessibleButton::getAccessibleActionKeyBinding( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
211 : {
212 0 : OExternalLockGuard aGuard( this );
213 :
214 0 : if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
215 0 : throw IndexOutOfBoundsException();
216 :
217 0 : OAccessibleKeyBindingHelper* pKeyBindingHelper = new OAccessibleKeyBindingHelper();
218 0 : Reference< XAccessibleKeyBinding > xKeyBinding = pKeyBindingHelper;
219 :
220 0 : Window* pWindow = GetWindow();
221 0 : if ( pWindow )
222 : {
223 0 : KeyEvent aKeyEvent = pWindow->GetActivationKey();
224 0 : KeyCode aKeyCode = aKeyEvent.GetKeyCode();
225 0 : if ( aKeyCode.GetCode() != 0 )
226 : {
227 0 : awt::KeyStroke aKeyStroke;
228 0 : aKeyStroke.Modifiers = 0;
229 0 : if ( aKeyCode.IsShift() )
230 0 : aKeyStroke.Modifiers |= awt::KeyModifier::SHIFT;
231 0 : if ( aKeyCode.IsMod1() )
232 0 : aKeyStroke.Modifiers |= awt::KeyModifier::MOD1;
233 0 : if ( aKeyCode.IsMod2() )
234 0 : aKeyStroke.Modifiers |= awt::KeyModifier::MOD2;
235 0 : if ( aKeyCode.IsMod3() )
236 0 : aKeyStroke.Modifiers |= awt::KeyModifier::MOD3;
237 0 : aKeyStroke.KeyCode = aKeyCode.GetCode();
238 0 : aKeyStroke.KeyChar = aKeyEvent.GetCharCode();
239 0 : aKeyStroke.KeyFunc = static_cast< sal_Int16 >( aKeyCode.GetFunction() );
240 0 : pKeyBindingHelper->AddKeyBinding( aKeyStroke );
241 : }
242 : }
243 :
244 0 : return xKeyBinding;
245 : }
246 :
247 : // -----------------------------------------------------------------------------
248 : // XAccessibleValue
249 : // -----------------------------------------------------------------------------
250 :
251 0 : Any VCLXAccessibleButton::getCurrentValue( ) throw (RuntimeException)
252 : {
253 0 : OExternalLockGuard aGuard( this );
254 :
255 0 : Any aValue;
256 :
257 0 : PushButton* pButton = (PushButton*) GetWindow();
258 0 : if ( pButton )
259 0 : aValue <<= (sal_Int32) pButton->IsPressed();
260 :
261 0 : return aValue;
262 : }
263 :
264 : // -----------------------------------------------------------------------------
265 :
266 0 : sal_Bool VCLXAccessibleButton::setCurrentValue( const Any& aNumber ) throw (RuntimeException)
267 : {
268 0 : OExternalLockGuard aGuard( this );
269 :
270 0 : sal_Bool bReturn = sal_False;
271 :
272 0 : PushButton* pButton = (PushButton*) GetWindow();
273 0 : if ( pButton )
274 : {
275 0 : sal_Int32 nValue = 0;
276 0 : OSL_VERIFY( aNumber >>= nValue );
277 :
278 0 : if ( nValue < 0 )
279 0 : nValue = 0;
280 0 : else if ( nValue > 1 )
281 0 : nValue = 1;
282 :
283 0 : pButton->SetPressed( (sal_Bool) nValue );
284 0 : bReturn = sal_True;
285 : }
286 :
287 0 : return bReturn;
288 : }
289 :
290 : // -----------------------------------------------------------------------------
291 :
292 0 : Any VCLXAccessibleButton::getMaximumValue( ) throw (RuntimeException)
293 : {
294 0 : OExternalLockGuard aGuard( this );
295 :
296 0 : Any aValue;
297 0 : aValue <<= (sal_Int32) 1;
298 :
299 0 : return aValue;
300 : }
301 :
302 : // -----------------------------------------------------------------------------
303 :
304 0 : Any VCLXAccessibleButton::getMinimumValue( ) throw (RuntimeException)
305 : {
306 0 : OExternalLockGuard aGuard( this );
307 :
308 0 : Any aValue;
309 0 : aValue <<= (sal_Int32) 0;
310 :
311 0 : return aValue;
312 : }
313 :
314 : // -----------------------------------------------------------------------------
315 :
316 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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