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 : #include <svtools/accessibleruler.hxx>
20 : #include <com/sun/star/accessibility/AccessibleRole.hpp>
21 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
22 : #include <unotools/accessiblestatesethelper.hxx>
23 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
24 : #include <com/sun/star/beans/PropertyChangeEvent.hpp>
25 : #include <com/sun/star/awt/XWindow.hpp>
26 : #include <comphelper/accessibleeventnotifier.hxx>
27 : #include <cppuhelper/supportsservice.hxx>
28 : #include <cppuhelper/typeprovider.hxx>
29 : #include <toolkit/helper/vclunohelper.hxx>
30 : #include <toolkit/helper/convert.hxx>
31 : #include <vcl/svapp.hxx>
32 : #include <osl/mutex.hxx>
33 : #include <rtl/uuid.h>
34 : #include <tools/gen.hxx>
35 :
36 : #include <svtools/ruler.hxx>
37 :
38 : using namespace ::cppu;
39 : using namespace ::osl;
40 : using namespace ::com::sun::star;
41 : using namespace ::com::sun::star::uno;
42 : using namespace ::com::sun::star::accessibility;
43 :
44 :
45 :
46 : //===== internal ============================================================
47 :
48 20 : SvtRulerAccessible::SvtRulerAccessible(
49 : const uno::Reference< XAccessible >& rxParent, Ruler& rRepr, const OUString& rName ) :
50 :
51 : SvtRulerAccessible_Base( m_aMutex ),
52 : msName( rName ),
53 : mxParent( rxParent ),
54 : mpRepr( &rRepr ),
55 20 : mnClientId( 0 )
56 : {
57 20 : }
58 :
59 60 : SvtRulerAccessible::~SvtRulerAccessible()
60 : {
61 :
62 20 : if( IsAlive() )
63 : {
64 0 : osl_atomic_increment( &m_refCount );
65 0 : dispose(); // set mpRepr = NULL & release all children
66 : }
67 40 : }
68 :
69 : //===== XAccessible =========================================================
70 :
71 20 : uno::Reference< XAccessibleContext > SAL_CALL SvtRulerAccessible::getAccessibleContext( void ) throw( RuntimeException, std::exception )
72 : {
73 20 : return this;
74 : }
75 :
76 : //===== XAccessibleComponent ================================================
77 :
78 0 : sal_Bool SAL_CALL SvtRulerAccessible::containsPoint( const awt::Point& rPoint ) throw( RuntimeException, std::exception )
79 : {
80 : // no guard -> done in getBounds()
81 : // return GetBoundingBox().IsInside( VCLPoint( rPoint ) );
82 0 : return Rectangle( Point( 0, 0 ), GetBoundingBox().GetSize() ).IsInside( VCLPoint( rPoint ) );
83 : }
84 :
85 0 : uno::Reference< XAccessible > SAL_CALL SvtRulerAccessible::getAccessibleAtPoint( const awt::Point& ) throw( RuntimeException, std::exception )
86 : {
87 0 : ::osl::MutexGuard aGuard( m_aMutex );
88 :
89 0 : ThrowExceptionIfNotAlive();
90 :
91 0 : uno::Reference< XAccessible > xRet;
92 :
93 :
94 0 : return xRet;
95 : }
96 :
97 0 : awt::Rectangle SAL_CALL SvtRulerAccessible::getBounds() throw( RuntimeException, std::exception )
98 : {
99 : // no guard -> done in GetBoundingBox()
100 0 : return AWTRectangle( GetBoundingBox() );
101 : }
102 :
103 0 : awt::Point SAL_CALL SvtRulerAccessible::getLocation() throw( RuntimeException, std::exception )
104 : {
105 : // no guard -> done in GetBoundingBox()
106 0 : return AWTPoint( GetBoundingBox().TopLeft() );
107 : }
108 :
109 0 : awt::Point SAL_CALL SvtRulerAccessible::getLocationOnScreen() throw( RuntimeException, std::exception )
110 : {
111 : // no guard -> done in GetBoundingBoxOnScreen()
112 0 : return AWTPoint( GetBoundingBoxOnScreen().TopLeft() );
113 : }
114 :
115 0 : awt::Size SAL_CALL SvtRulerAccessible::getSize() throw( RuntimeException, std::exception )
116 : {
117 : // no guard -> done in GetBoundingBox()
118 0 : return AWTSize( GetBoundingBox().GetSize() );
119 : }
120 :
121 20 : bool SAL_CALL SvtRulerAccessible::isShowing() throw( RuntimeException )
122 : {
123 20 : return true;
124 : }
125 :
126 20 : bool SAL_CALL SvtRulerAccessible::isVisible() throw( RuntimeException )
127 : {
128 20 : ::osl::MutexGuard aGuard( m_aMutex );
129 :
130 20 : ThrowExceptionIfNotAlive();
131 :
132 20 : return mpRepr->IsVisible();
133 : }
134 :
135 0 : bool SAL_CALL SvtRulerAccessible::isFocusTraversable() throw( RuntimeException )
136 : {
137 0 : return true;
138 : }
139 :
140 : //===== XAccessibleContext ==================================================
141 :
142 40 : sal_Int32 SAL_CALL SvtRulerAccessible::getAccessibleChildCount( void ) throw( RuntimeException, std::exception )
143 : {
144 40 : ::osl::MutexGuard aGuard( m_aMutex );
145 :
146 40 : ThrowExceptionIfNotAlive();
147 :
148 40 : return 0;
149 : }
150 :
151 0 : uno::Reference< XAccessible > SAL_CALL SvtRulerAccessible::getAccessibleChild( sal_Int32 )
152 : throw( RuntimeException, lang::IndexOutOfBoundsException, std::exception )
153 : {
154 0 : uno::Reference< XAccessible > xChild ;
155 :
156 0 : return xChild;
157 : }
158 :
159 0 : uno::Reference< XAccessible > SAL_CALL SvtRulerAccessible::getAccessibleParent( void ) throw( RuntimeException, std::exception )
160 : {
161 0 : return mxParent;
162 : }
163 :
164 0 : sal_Int32 SAL_CALL SvtRulerAccessible::getAccessibleIndexInParent( void ) throw( RuntimeException, std::exception )
165 : {
166 0 : ::osl::MutexGuard aGuard( m_aMutex );
167 : // Use a simple but slow solution for now. Optimize later.
168 :
169 : // Iterate over all the parent's children and search for this object.
170 0 : if( mxParent.is() )
171 : {
172 0 : uno::Reference< XAccessibleContext > xParentContext( mxParent->getAccessibleContext() );
173 0 : if( xParentContext.is() )
174 : {
175 0 : sal_Int32 nChildCount = xParentContext->getAccessibleChildCount();
176 0 : for( sal_Int32 i = 0 ; i < nChildCount ; ++i )
177 : {
178 0 : uno::Reference< XAccessible > xChild( xParentContext->getAccessibleChild( i ) );
179 0 : if( xChild.get() == ( XAccessible* ) this )
180 0 : return i;
181 0 : }
182 0 : }
183 : }
184 :
185 : // Return -1 to indicate that this object's parent does not know about the
186 : // object.
187 0 : return -1;
188 : }
189 :
190 20 : sal_Int16 SAL_CALL SvtRulerAccessible::getAccessibleRole( void ) throw( RuntimeException, std::exception )
191 : {
192 20 : return AccessibleRole::RULER;
193 : }
194 :
195 0 : OUString SAL_CALL SvtRulerAccessible::getAccessibleDescription( void ) throw( RuntimeException, std::exception )
196 : {
197 0 : ::osl::MutexGuard aGuard( m_aMutex );
198 0 : return msDescription;
199 : }
200 :
201 0 : OUString SAL_CALL SvtRulerAccessible::getAccessibleName( void ) throw( RuntimeException, std::exception )
202 : {
203 0 : ::osl::MutexGuard aGuard( m_aMutex );
204 0 : return msName;
205 : }
206 :
207 : /** Return empty uno::Reference to indicate that the relation set is not
208 : supported.
209 : */
210 0 : uno::Reference< XAccessibleRelationSet > SAL_CALL SvtRulerAccessible::getAccessibleRelationSet( void ) throw( RuntimeException, std::exception )
211 : {
212 0 : return uno::Reference< XAccessibleRelationSet >();
213 : }
214 :
215 :
216 20 : uno::Reference< XAccessibleStateSet > SAL_CALL SvtRulerAccessible::getAccessibleStateSet( void ) throw( RuntimeException, std::exception )
217 : {
218 20 : ::osl::MutexGuard aGuard( m_aMutex );
219 20 : utl::AccessibleStateSetHelper* pStateSetHelper = new utl::AccessibleStateSetHelper;
220 :
221 20 : if( IsAlive() )
222 : {
223 20 : pStateSetHelper->AddState( AccessibleStateType::ENABLED );
224 :
225 20 : if( isShowing() )
226 20 : pStateSetHelper->AddState( AccessibleStateType::SHOWING );
227 :
228 20 : if( isVisible() )
229 20 : pStateSetHelper->AddState( AccessibleStateType::VISIBLE );
230 :
231 :
232 20 : if ( mpRepr )
233 : {
234 20 : if ( mpRepr->GetStyle() & WB_HORZ )
235 10 : pStateSetHelper->AddState( AccessibleStateType::HORIZONTAL );
236 : else
237 10 : pStateSetHelper->AddState( AccessibleStateType::VERTICAL );
238 : }
239 20 : if(pStateSetHelper->contains(AccessibleStateType::FOCUSABLE))
240 : {
241 0 : pStateSetHelper->RemoveState( AccessibleStateType::FOCUSABLE );
242 : }
243 :
244 : }
245 :
246 :
247 20 : return pStateSetHelper;
248 : }
249 :
250 0 : lang::Locale SAL_CALL SvtRulerAccessible::getLocale( void ) throw( IllegalAccessibleComponentStateException, RuntimeException, std::exception )
251 : {
252 0 : ::osl::MutexGuard aGuard( m_aMutex );
253 0 : if( mxParent.is() )
254 : {
255 0 : uno::Reference< XAccessibleContext > xParentContext( mxParent->getAccessibleContext() );
256 0 : if( xParentContext.is() )
257 0 : return xParentContext->getLocale();
258 : }
259 :
260 : // No parent. Therefore throw exception to indicate this cluelessness.
261 0 : throw IllegalAccessibleComponentStateException();
262 : }
263 :
264 0 : void SAL_CALL SvtRulerAccessible::addAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
265 : throw( RuntimeException, std::exception )
266 : {
267 0 : if (xListener.is())
268 : {
269 0 : ::osl::MutexGuard aGuard( m_aMutex );
270 0 : if (!mnClientId)
271 0 : mnClientId = comphelper::AccessibleEventNotifier::registerClient( );
272 0 : comphelper::AccessibleEventNotifier::addEventListener( mnClientId, xListener );
273 : }
274 0 : }
275 :
276 0 : void SAL_CALL SvtRulerAccessible::removeAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
277 : throw( RuntimeException, std::exception )
278 : {
279 0 : if (xListener.is())
280 : {
281 0 : ::osl::MutexGuard aGuard( m_aMutex );
282 :
283 0 : sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( mnClientId, xListener );
284 0 : if ( !nListenerCount )
285 : {
286 : // no listeners anymore
287 : // -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
288 : // and at least to us not firing any events anymore, in case somebody calls
289 : // NotifyAccessibleEvent, again
290 0 : comphelper::AccessibleEventNotifier::revokeClient( mnClientId );
291 0 : mnClientId = 0;
292 0 : }
293 : }
294 0 : }
295 :
296 0 : void SAL_CALL SvtRulerAccessible::addFocusListener( const uno::Reference< awt::XFocusListener >& xListener )
297 : throw( RuntimeException )
298 : {
299 0 : if( xListener.is() )
300 : {
301 0 : ::osl::MutexGuard aGuard( m_aMutex );
302 :
303 0 : ThrowExceptionIfNotAlive();
304 :
305 0 : uno::Reference< awt::XWindow > xWindow = VCLUnoHelper::GetInterface( mpRepr );
306 0 : if( xWindow.is() )
307 0 : xWindow->addFocusListener( xListener );
308 : }
309 0 : }
310 :
311 0 : void SAL_CALL SvtRulerAccessible::removeFocusListener( const uno::Reference< awt::XFocusListener >& xListener )
312 : throw (RuntimeException)
313 : {
314 0 : if( xListener.is() )
315 : {
316 0 : ::osl::MutexGuard aGuard( m_aMutex );
317 :
318 0 : ThrowExceptionIfNotAlive();
319 :
320 0 : uno::Reference< awt::XWindow > xWindow = VCLUnoHelper::GetInterface( mpRepr );
321 0 : if( xWindow.is() )
322 0 : xWindow->removeFocusListener( xListener );
323 : }
324 0 : }
325 :
326 0 : void SAL_CALL SvtRulerAccessible::grabFocus() throw( RuntimeException, std::exception )
327 : {
328 0 : SolarMutexGuard aSolarGuard;
329 0 : ::osl::MutexGuard aGuard( m_aMutex );
330 :
331 0 : ThrowExceptionIfNotAlive();
332 :
333 0 : mpRepr->GrabFocus();
334 0 : }
335 :
336 0 : Any SAL_CALL SvtRulerAccessible::getAccessibleKeyBinding() throw( RuntimeException )
337 : {
338 : // here is no implementation, because here are no KeyBindings for every object
339 0 : return Any();
340 : }
341 :
342 0 : sal_Int32 SvtRulerAccessible::getForeground( )
343 : throw (::com::sun::star::uno::RuntimeException, std::exception)
344 : {
345 0 : SolarMutexGuard aSolarGuard;
346 0 : ::osl::MutexGuard aGuard( m_aMutex );
347 0 : ThrowExceptionIfNotAlive();
348 :
349 0 : return mpRepr->GetControlForeground().GetColor();
350 : }
351 0 : sal_Int32 SvtRulerAccessible::getBackground( )
352 : throw (::com::sun::star::uno::RuntimeException, std::exception)
353 : {
354 0 : SolarMutexGuard aSolarGuard;
355 0 : ::osl::MutexGuard aGuard( m_aMutex );
356 0 : ThrowExceptionIfNotAlive();
357 :
358 0 : return mpRepr->GetControlBackground().GetColor();
359 : }
360 :
361 : //===== XServiceInfo ========================================================
362 0 : OUString SAL_CALL SvtRulerAccessible::getImplementationName( void ) throw( RuntimeException, std::exception )
363 : {
364 0 : return OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.ui.SvtRulerAccessible" ) );
365 : }
366 :
367 0 : sal_Bool SAL_CALL SvtRulerAccessible::supportsService( const OUString& sServiceName ) throw( RuntimeException, std::exception )
368 : {
369 0 : return cppu::supportsService( this, sServiceName );
370 : }
371 :
372 0 : Sequence< OUString > SAL_CALL SvtRulerAccessible::getSupportedServiceNames( void ) throw( RuntimeException, std::exception )
373 : {
374 0 : const OUString sServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.accessibility.AccessibleContext" ) );
375 0 : return Sequence< OUString >( &sServiceName, 1 );
376 : }
377 :
378 : //===== XTypeProvider =======================================================
379 0 : Sequence< sal_Int8 > SAL_CALL SvtRulerAccessible::getImplementationId( void ) throw( RuntimeException, std::exception )
380 : {
381 0 : return css::uno::Sequence<sal_Int8>();
382 : }
383 :
384 20 : void SAL_CALL SvtRulerAccessible::disposing()
385 : {
386 20 : if( !rBHelper.bDisposed )
387 : {
388 : {
389 20 : ::osl::MutexGuard aGuard( m_aMutex );
390 20 : mpRepr = NULL; // object dies with representation
391 :
392 : }
393 :
394 : {
395 20 : ::osl::MutexGuard aGuard( m_aMutex );
396 :
397 : // Send a disposing to all listeners.
398 20 : if ( mnClientId )
399 : {
400 0 : comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( mnClientId, *this );
401 0 : mnClientId = 0;
402 : }
403 20 : mxParent = uno::Reference< XAccessible >();
404 : }
405 : }
406 20 : }
407 :
408 0 : Rectangle SvtRulerAccessible::GetBoundingBoxOnScreen( void ) throw( RuntimeException )
409 : {
410 0 : SolarMutexGuard aSolarGuard;
411 0 : ::osl::MutexGuard aGuard( m_aMutex );
412 :
413 0 : ThrowExceptionIfNotAlive();
414 0 : return Rectangle( mpRepr->GetParent()->OutputToAbsoluteScreenPixel( mpRepr->GetPosPixel() ), mpRepr->GetSizePixel() );
415 : }
416 :
417 0 : Rectangle SvtRulerAccessible::GetBoundingBox( void ) throw( RuntimeException )
418 : {
419 0 : SolarMutexGuard aSolarGuard;
420 0 : ::osl::MutexGuard aGuard( m_aMutex );
421 :
422 0 : ThrowExceptionIfNotAlive();
423 :
424 0 : return Rectangle( mpRepr->GetPosPixel(), mpRepr->GetSizePixel() );
425 : }
426 :
427 60 : void SvtRulerAccessible::ThrowExceptionIfNotAlive( void ) throw( lang::DisposedException )
428 : {
429 60 : if( IsNotAlive() )
430 0 : throw lang::DisposedException();
431 1287 : }
432 :
433 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
