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_accessibility.hxx"
26
27 // includes --------------------------------------------------------------
28 #include <accessibility/standard/vclxaccessiblebutton.hxx>
29 #include <accessibility/helper/accresmgr.hxx>
30 #include <accessibility/helper/accessiblestrings.hrc>
31
32 #include <unotools/accessiblestatesethelper.hxx>
33 #include <comphelper/accessiblekeybindinghelper.hxx>
34 #include <com/sun/star/awt/KeyModifier.hpp>
35 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
36 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
37 #include <cppuhelper/typeprovider.hxx>
38 #include <comphelper/sequence.hxx>
39
40 #include <vcl/button.hxx>
41
42 using namespace ::com::sun::star;
43 using namespace ::com::sun::star::uno;
44 using namespace ::com::sun::star::lang;
45 using namespace ::com::sun::star::beans;
46 using namespace ::com::sun::star::accessibility;
47 using namespace ::comphelper;
48
49
50 // -----------------------------------------------------------------------------
51 // VCLXAccessibleButton
52 // -----------------------------------------------------------------------------
53
VCLXAccessibleButton(VCLXWindow * pVCLWindow)54 VCLXAccessibleButton::VCLXAccessibleButton( VCLXWindow* pVCLWindow )
55 :VCLXAccessibleTextComponent( pVCLWindow )
56 {
57 }
58
59 // -----------------------------------------------------------------------------
60
~VCLXAccessibleButton()61 VCLXAccessibleButton::~VCLXAccessibleButton()
62 {
63 }
64
65 // -----------------------------------------------------------------------------
66
ProcessWindowEvent(const VclWindowEvent & rVclWindowEvent)67 void VCLXAccessibleButton::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
68 {
69 switch ( rVclWindowEvent.GetId() )
70 {
71 case VCLEVENT_PUSHBUTTON_TOGGLE:
72 {
73 Any aOldValue;
74 Any aNewValue;
75
76 PushButton* pButton = (PushButton*) GetWindow();
77 if ( pButton && pButton->GetState() == STATE_CHECK )
78 aNewValue <<= AccessibleStateType::CHECKED;
79 else
80 aOldValue <<= AccessibleStateType::CHECKED;
81
82 NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
83 }
84 break;
85 default:
86 VCLXAccessibleTextComponent::ProcessWindowEvent( rVclWindowEvent );
87 }
88 }
89
90 // -----------------------------------------------------------------------------
91
FillAccessibleStateSet(utl::AccessibleStateSetHelper & rStateSet)92 void VCLXAccessibleButton::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
93 {
94 VCLXAccessibleTextComponent::FillAccessibleStateSet( rStateSet );
95
96 PushButton* pButton = (PushButton*) GetWindow();
97 if ( pButton )
98 {
99 rStateSet.AddState( AccessibleStateType::FOCUSABLE );
100
101 if ( pButton->GetState() == STATE_CHECK )
102 rStateSet.AddState( AccessibleStateType::CHECKED );
103
104 if ( pButton->IsPressed() )
105 rStateSet.AddState( AccessibleStateType::PRESSED );
106
107 // IA2 CWS: If the button has a poppup menu,it should has the state EXPANDABLE
108 if( pButton->GetType() == WINDOW_MENUBUTTON )
109 {
110 rStateSet.AddState( AccessibleStateType::EXPANDABLE );
111 }
112 if( pButton->GetStyle() & WB_DEFBUTTON )
113 {
114 rStateSet.AddState( AccessibleStateType::DEFAULT );
115 }
116 }
117 }
118
119 // -----------------------------------------------------------------------------
120 // XInterface
121 // -----------------------------------------------------------------------------
122
IMPLEMENT_FORWARD_XINTERFACE2(VCLXAccessibleButton,VCLXAccessibleTextComponent,VCLXAccessibleButton_BASE)123 IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE )
124
125 // -----------------------------------------------------------------------------
126 // XTypeProvider
127 // -----------------------------------------------------------------------------
128
129 IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE )
130
131 // -----------------------------------------------------------------------------
132 // XServiceInfo
133 // -----------------------------------------------------------------------------
134
135 ::rtl::OUString VCLXAccessibleButton::getImplementationName() throw (RuntimeException)
136 {
137 return ::rtl::OUString::createFromAscii( "com.sun.star.comp.toolkit.AccessibleButton" );
138 }
139
140 // -----------------------------------------------------------------------------
141
getSupportedServiceNames()142 Sequence< ::rtl::OUString > VCLXAccessibleButton::getSupportedServiceNames() throw (RuntimeException)
143 {
144 Sequence< ::rtl::OUString > aNames(1);
145 aNames[0] = ::rtl::OUString::createFromAscii( "com.sun.star.awt.AccessibleButton" );
146 return aNames;
147 }
148
149 // -----------------------------------------------------------------------------
150 // XAccessibleContext
151 // -----------------------------------------------------------------------------
152
getAccessibleName()153 ::rtl::OUString VCLXAccessibleButton::getAccessibleName( ) throw (RuntimeException)
154 {
155 OExternalLockGuard aGuard( this );
156
157 ::rtl::OUString aName( VCLXAccessibleTextComponent::getAccessibleName() );
158
159 // IA2 CWS: Removed special handling for browse/more buttons.
160 // Comment was "the '...' or '<<' or '>>' should be kept per the requirements from AT"
161 // MT: We did introduce this special handling by intention.
162 // As the original text is still what you get via XAccessibleText,
163 // I think for the accessible name the stuff below is correct.
164
165 sal_Int32 nLength = aName.getLength();
166
167 if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("..."), nLength - 3 ) )
168 {
169 if ( nLength == 3 )
170 {
171 // it's a browse button
172 aName = ::rtl::OUString( TK_RES_STRING( RID_STR_ACC_NAME_BROWSEBUTTON ) );
173 }
174 else
175 {
176 // remove the three trailing dots
177 aName = aName.copy( 0, nLength - 3 );
178 }
179 }
180 else if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("<< "), 0 ) )
181 {
182 // remove the leading symbols
183 aName = aName.copy( 3, nLength - 3 );
184 }
185 else if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM(" >>"), nLength - 3 ) )
186 {
187 // remove the trailing symbols
188 aName = aName.copy( 0, nLength - 3 );
189 }
190
191 return aName;
192 }
193
194 // -----------------------------------------------------------------------------
195 // XAccessibleAction
196 // -----------------------------------------------------------------------------
197
getAccessibleActionCount()198 sal_Int32 VCLXAccessibleButton::getAccessibleActionCount( ) throw (RuntimeException)
199 {
200 OExternalLockGuard aGuard( this );
201
202 return 1;
203 }
204
205 // -----------------------------------------------------------------------------
206
doAccessibleAction(sal_Int32 nIndex)207 sal_Bool VCLXAccessibleButton::doAccessibleAction ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
208 {
209 OExternalLockGuard aGuard( this );
210
211 if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
212 throw IndexOutOfBoundsException();
213
214 PushButton* pButton = (PushButton*) GetWindow();
215 if ( pButton )
216 pButton->Click();
217
218 return sal_True;
219 }
220
221 // -----------------------------------------------------------------------------
222
getAccessibleActionDescription(sal_Int32 nIndex)223 ::rtl::OUString VCLXAccessibleButton::getAccessibleActionDescription ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
224 {
225 OExternalLockGuard aGuard( this );
226
227 if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
228 throw IndexOutOfBoundsException();
229
230 return ::rtl::OUString( TK_RES_STRING( RID_STR_ACC_ACTION_CLICK ) );
231 }
232
233 // -----------------------------------------------------------------------------
234
getAccessibleActionKeyBinding(sal_Int32 nIndex)235 Reference< XAccessibleKeyBinding > VCLXAccessibleButton::getAccessibleActionKeyBinding( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
236 {
237 OExternalLockGuard aGuard( this );
238
239 if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
240 throw IndexOutOfBoundsException();
241
242 OAccessibleKeyBindingHelper* pKeyBindingHelper = new OAccessibleKeyBindingHelper();
243 Reference< XAccessibleKeyBinding > xKeyBinding = pKeyBindingHelper;
244
245 Window* pWindow = GetWindow();
246 if ( pWindow )
247 {
248 KeyEvent aKeyEvent = pWindow->GetActivationKey();
249 KeyCode aKeyCode = aKeyEvent.GetKeyCode();
250 if ( aKeyCode.GetCode() != 0 )
251 {
252 awt::KeyStroke aKeyStroke;
253 aKeyStroke.Modifiers = 0;
254 if ( aKeyCode.IsShift() )
255 aKeyStroke.Modifiers |= awt::KeyModifier::SHIFT;
256 if ( aKeyCode.IsMod1() )
257 aKeyStroke.Modifiers |= awt::KeyModifier::MOD1;
258 if ( aKeyCode.IsMod2() )
259 aKeyStroke.Modifiers |= awt::KeyModifier::MOD2;
260 if ( aKeyCode.IsMod3() )
261 aKeyStroke.Modifiers |= awt::KeyModifier::MOD3;
262 aKeyStroke.KeyCode = aKeyCode.GetCode();
263 aKeyStroke.KeyChar = aKeyEvent.GetCharCode();
264 aKeyStroke.KeyFunc = static_cast< sal_Int16 >( aKeyCode.GetFunction() );
265 pKeyBindingHelper->AddKeyBinding( aKeyStroke );
266 }
267 }
268
269 return xKeyBinding;
270 }
271
272 // -----------------------------------------------------------------------------
273 // XAccessibleValue
274 // -----------------------------------------------------------------------------
275
getCurrentValue()276 Any VCLXAccessibleButton::getCurrentValue( ) throw (RuntimeException)
277 {
278 OExternalLockGuard aGuard( this );
279
280 Any aValue;
281
282 PushButton* pButton = (PushButton*) GetWindow();
283 if ( pButton )
284 aValue <<= (sal_Int32) pButton->IsPressed();
285
286 return aValue;
287 }
288
289 // -----------------------------------------------------------------------------
290
setCurrentValue(const Any & aNumber)291 sal_Bool VCLXAccessibleButton::setCurrentValue( const Any& aNumber ) throw (RuntimeException)
292 {
293 OExternalLockGuard aGuard( this );
294
295 sal_Bool bReturn = sal_False;
296
297 PushButton* pButton = (PushButton*) GetWindow();
298 if ( pButton )
299 {
300 sal_Int32 nValue = 0;
301 OSL_VERIFY( aNumber >>= nValue );
302
303 if ( nValue < 0 )
304 nValue = 0;
305 else if ( nValue > 1 )
306 nValue = 1;
307
308 pButton->SetPressed( (sal_Bool) nValue );
309 bReturn = sal_True;
310 }
311
312 return bReturn;
313 }
314
315 // -----------------------------------------------------------------------------
316
getMaximumValue()317 Any VCLXAccessibleButton::getMaximumValue( ) throw (RuntimeException)
318 {
319 OExternalLockGuard aGuard( this );
320
321 Any aValue;
322 aValue <<= (sal_Int32) 1;
323
324 return aValue;
325 }
326
327 // -----------------------------------------------------------------------------
328
getMinimumValue()329 Any VCLXAccessibleButton::getMinimumValue( ) throw (RuntimeException)
330 {
331 OExternalLockGuard aGuard( this );
332
333 Any aValue;
334 aValue <<= (sal_Int32) 0;
335
336 return aValue;
337 }
338
339 // -----------------------------------------------------------------------------
340