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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/extended/AccessibleToolPanelDeckTabBarItem.hxx"
21 :
22 : #include <com/sun/star/accessibility/AccessibleRole.hpp>
23 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
24 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
25 : #include <com/sun/star/lang/DisposedException.hpp>
26 :
27 : #include <svtools/toolpanel/toolpaneldeck.hxx>
28 : #include <svtools/toolpanel/paneltabbar.hxx>
29 : #include <unotools/accessiblestatesethelper.hxx>
30 : #include <unotools/accessiblerelationsethelper.hxx>
31 : #include <toolkit/helper/externallock.hxx>
32 : #include <tools/diagnose_ex.h>
33 : #include <vcl/svapp.hxx>
34 : #include <osl/mutex.hxx>
35 :
36 : namespace accessibility
37 : {
38 : typedef ::com::sun::star::awt::Rectangle UnoRectangle;
39 : typedef ::com::sun::star::awt::Point UnoPoint;
40 :
41 : using ::com::sun::star::uno::Reference;
42 : using ::com::sun::star::uno::XInterface;
43 : using ::com::sun::star::uno::UNO_QUERY;
44 : using ::com::sun::star::uno::UNO_QUERY_THROW;
45 : using ::com::sun::star::uno::UNO_SET_THROW;
46 : using ::com::sun::star::uno::Exception;
47 : using ::com::sun::star::uno::RuntimeException;
48 : using ::com::sun::star::uno::Any;
49 : using ::com::sun::star::uno::makeAny;
50 : using ::com::sun::star::uno::Sequence;
51 : using ::com::sun::star::uno::Type;
52 : using ::com::sun::star::accessibility::XAccessible;
53 : using ::com::sun::star::lang::DisposedException;
54 : using ::com::sun::star::lang::IndexOutOfBoundsException;
55 : using ::com::sun::star::accessibility::XAccessibleRelationSet;
56 : using ::com::sun::star::accessibility::XAccessibleStateSet;
57 : using ::com::sun::star::accessibility::XAccessibleComponent;
58 : using ::com::sun::star::accessibility::XAccessibleExtendedComponent;
59 : using ::com::sun::star::awt::XFont;
60 :
61 : namespace AccessibleRole = ::com::sun::star::accessibility::AccessibleRole;
62 : namespace AccessibleStateType = ::com::sun::star::accessibility::AccessibleStateType;
63 : namespace AccessibleEventId = ::com::sun::star::accessibility::AccessibleEventId;
64 :
65 : // AccessibleToolPanelDeckTabBarItem_Impl
66 : class AccessibleToolPanelDeckTabBarItem_Impl : public ::svt::IToolPanelDeckListener
67 : {
68 : public:
69 : AccessibleToolPanelDeckTabBarItem_Impl(
70 : AccessibleToolPanelDeckTabBarItem& i_rAntiImpl,
71 : const Reference< XAccessible >& i_rAccessibleParent,
72 : ::svt::IToolPanelDeck& i_rPanelDeck,
73 : ::svt::PanelTabBar& i_rTabBar,
74 : const size_t i_nItemPos
75 : );
76 : virtual ~AccessibleToolPanelDeckTabBarItem_Impl();
77 :
78 0 : ::svt::PanelTabBar* getTabBar() const { return m_pTabBar; }
79 :
80 : // IToolPanelDeckListener
81 : virtual void PanelInserted( const ::svt::PToolPanel& i_pPanel, const size_t i_nPosition ) SAL_OVERRIDE;
82 : virtual void PanelRemoved( const size_t i_nPosition ) SAL_OVERRIDE;
83 : virtual void ActivePanelChanged( const ::boost::optional< size_t >& i_rOldActive, const ::boost::optional< size_t >& i_rNewActive ) SAL_OVERRIDE;
84 : virtual void LayouterChanged( const ::svt::PDeckLayouter& i_rNewLayouter ) SAL_OVERRIDE;
85 : virtual void Dying() SAL_OVERRIDE;
86 :
87 : public:
88 0 : bool isDisposed() const { return m_pPanelDeck == NULL; }
89 : void checkDisposed() const;
90 : void dispose();
91 :
92 : const Reference< XAccessible >&
93 0 : getAccessibleParent() const { return m_xAccessibleParent; }
94 0 : size_t getItemPos() const { return m_nItemPos; }
95 :
96 : Reference< XAccessibleComponent > getParentAccessibleComponent() const;
97 0 : ::svt::IToolPanelDeck* getPanelDeck() const { return m_pPanelDeck; }
98 : OUString getPanelDisplayName();
99 :
100 : private:
101 : void impl_notifyBoundRectChanges();
102 : void impl_notifyStateChange( const sal_Int16 i_nLostState, const sal_Int16 i_nGainedState );
103 :
104 : private:
105 : AccessibleToolPanelDeckTabBarItem& m_rAntiImpl;
106 : Reference< XAccessible > m_xAccessibleParent;
107 : ::svt::IToolPanelDeck* m_pPanelDeck;
108 : ::svt::PanelTabBar* m_pTabBar;
109 : size_t m_nItemPos;
110 : };
111 :
112 : // AccessibleToolPanelDeckTabBarItem_Impl
113 0 : AccessibleToolPanelDeckTabBarItem_Impl::AccessibleToolPanelDeckTabBarItem_Impl( AccessibleToolPanelDeckTabBarItem& i_rAntiImpl,
114 : const Reference< XAccessible >& i_rAccessibleParent, ::svt::IToolPanelDeck& i_rPanelDeck, ::svt::PanelTabBar& i_rTabBar,
115 : const size_t i_nItemPos )
116 : :m_rAntiImpl( i_rAntiImpl )
117 : ,m_xAccessibleParent( i_rAccessibleParent )
118 : ,m_pPanelDeck( &i_rPanelDeck )
119 : ,m_pTabBar( &i_rTabBar )
120 0 : ,m_nItemPos( i_nItemPos )
121 : {
122 0 : m_pPanelDeck->AddListener( *this );
123 0 : }
124 :
125 0 : AccessibleToolPanelDeckTabBarItem_Impl::~AccessibleToolPanelDeckTabBarItem_Impl()
126 : {
127 0 : }
128 :
129 0 : void AccessibleToolPanelDeckTabBarItem_Impl::checkDisposed() const
130 : {
131 0 : if ( isDisposed() )
132 0 : throw DisposedException( OUString(), *&m_rAntiImpl );
133 0 : }
134 :
135 0 : void AccessibleToolPanelDeckTabBarItem_Impl::dispose()
136 : {
137 0 : ENSURE_OR_RETURN_VOID( !isDisposed(), "AccessibleToolPanelDeckTabBarItem_Impl::dispose: disposed twice!" );
138 :
139 0 : m_xAccessibleParent.clear();
140 0 : m_pPanelDeck->RemoveListener( *this );
141 0 : m_pPanelDeck = NULL;
142 0 : m_pTabBar = NULL;
143 : }
144 :
145 0 : Reference< XAccessibleComponent > AccessibleToolPanelDeckTabBarItem_Impl::getParentAccessibleComponent() const
146 : {
147 0 : Reference< XAccessible > xAccessibleParent( m_rAntiImpl.getAccessibleParent(), UNO_QUERY_THROW );
148 0 : return Reference< XAccessibleComponent >( xAccessibleParent->getAccessibleContext(), UNO_QUERY );
149 : }
150 :
151 0 : OUString AccessibleToolPanelDeckTabBarItem_Impl::getPanelDisplayName()
152 : {
153 0 : const ::svt::PToolPanel pPanel( m_pPanelDeck->GetPanel( getItemPos() ) );
154 0 : if ( pPanel.get() == NULL )
155 0 : throw DisposedException();
156 0 : return pPanel->GetDisplayName();
157 : }
158 :
159 0 : void AccessibleToolPanelDeckTabBarItem_Impl::impl_notifyBoundRectChanges()
160 : {
161 0 : m_rAntiImpl.NotifyAccessibleEvent( AccessibleEventId::BOUNDRECT_CHANGED, Any(), Any() );
162 0 : }
163 :
164 0 : void AccessibleToolPanelDeckTabBarItem_Impl::impl_notifyStateChange( const sal_Int16 i_nLostState, const sal_Int16 i_nGainedState )
165 : {
166 : m_rAntiImpl.NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED,
167 0 : i_nLostState > -1 ? makeAny( i_nLostState ) : Any(),
168 0 : i_nGainedState > -1 ? makeAny( i_nGainedState ) : Any()
169 0 : );
170 0 : }
171 :
172 0 : void AccessibleToolPanelDeckTabBarItem_Impl::PanelInserted( const ::svt::PToolPanel& i_pPanel, const size_t i_nPosition )
173 : {
174 : (void)i_pPanel;
175 0 : if ( i_nPosition <= m_nItemPos )
176 0 : ++m_nItemPos;
177 0 : impl_notifyBoundRectChanges();
178 0 : }
179 :
180 0 : void AccessibleToolPanelDeckTabBarItem_Impl::PanelRemoved( const size_t i_nPosition )
181 : {
182 0 : if ( i_nPosition == m_nItemPos )
183 : {
184 0 : m_rAntiImpl.dispose();
185 : }
186 0 : else if ( i_nPosition < m_nItemPos )
187 : {
188 0 : --m_nItemPos;
189 0 : impl_notifyBoundRectChanges();
190 : }
191 0 : }
192 :
193 0 : void AccessibleToolPanelDeckTabBarItem_Impl::ActivePanelChanged( const ::boost::optional< size_t >& i_rOldActive, const ::boost::optional< size_t >& i_rNewActive )
194 : {
195 0 : if ( m_nItemPos == i_rOldActive )
196 : {
197 0 : impl_notifyStateChange( AccessibleStateType::ACTIVE, -1 );
198 0 : impl_notifyStateChange( AccessibleStateType::SELECTED, -1 );
199 : }
200 0 : else if ( m_nItemPos == i_rNewActive )
201 : {
202 0 : impl_notifyStateChange( -1, AccessibleStateType::ACTIVE );
203 0 : impl_notifyStateChange( -1, AccessibleStateType::SELECTED );
204 : }
205 0 : }
206 :
207 0 : void AccessibleToolPanelDeckTabBarItem_Impl::LayouterChanged( const ::svt::PDeckLayouter& i_rNewLayouter )
208 : {
209 : (void)i_rNewLayouter;
210 : // if the tool panel deck has a new layouter, then the old layouter, and thus all items it was
211 : // responsible for, died. So do we.
212 0 : dispose();
213 0 : }
214 :
215 0 : void AccessibleToolPanelDeckTabBarItem_Impl::Dying()
216 : {
217 : // if the tool panel deck is dying, then its layouter dies, so should we.
218 0 : dispose();
219 0 : }
220 :
221 : class ItemMethodGuard
222 : {
223 : public:
224 0 : ItemMethodGuard( AccessibleToolPanelDeckTabBarItem_Impl& i_rImpl )
225 0 : :m_aGuard()
226 : {
227 0 : i_rImpl.checkDisposed();
228 0 : }
229 0 : ~ItemMethodGuard()
230 0 : {
231 0 : }
232 :
233 : private:
234 : SolarMutexGuard m_aGuard;
235 : };
236 :
237 0 : AccessibleToolPanelDeckTabBarItem::AccessibleToolPanelDeckTabBarItem( const Reference< XAccessible >& i_rAccessibleParent,
238 : ::svt::IToolPanelDeck& i_rPanelDeck, ::svt::PanelTabBar& i_rTabBar, const size_t i_nItemPos )
239 : : ::comphelper::OAccessibleExtendedComponentHelper(
240 0 : new VCLExternalSolarLock)
241 : , m_pImpl(new AccessibleToolPanelDeckTabBarItem_Impl(*this,
242 0 : i_rAccessibleParent, i_rPanelDeck, i_rTabBar, i_nItemPos))
243 : {
244 0 : }
245 :
246 0 : AccessibleToolPanelDeckTabBarItem::~AccessibleToolPanelDeckTabBarItem()
247 : {
248 0 : }
249 :
250 0 : sal_Int32 SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleChildCount( ) throw (RuntimeException, std::exception)
251 : {
252 0 : return 0;
253 : }
254 :
255 0 : Reference< XAccessible > SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleChild( sal_Int32 i ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
256 : {
257 : (void)i;
258 0 : throw IndexOutOfBoundsException( OUString(), *this );
259 : }
260 :
261 0 : Reference< XAccessible > SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleParent( ) throw (RuntimeException, std::exception)
262 : {
263 0 : ItemMethodGuard aGuard( *m_pImpl );
264 0 : return m_pImpl->getAccessibleParent();
265 : }
266 :
267 0 : sal_Int16 SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleRole( ) throw (RuntimeException, std::exception)
268 : {
269 0 : return AccessibleRole::PAGE_TAB;
270 : }
271 :
272 0 : OUString SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleDescription( ) throw (RuntimeException, std::exception)
273 : {
274 0 : ItemMethodGuard aGuard( *m_pImpl );
275 0 : return m_pImpl->getPanelDisplayName();
276 : }
277 :
278 0 : OUString SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleName( ) throw (RuntimeException, std::exception)
279 : {
280 0 : ItemMethodGuard aGuard( *m_pImpl );
281 0 : return m_pImpl->getPanelDisplayName();
282 : }
283 :
284 0 : Reference< XAccessibleRelationSet > SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleRelationSet( ) throw (RuntimeException, std::exception)
285 : {
286 0 : ItemMethodGuard aGuard( *m_pImpl );
287 0 : ::utl::AccessibleRelationSetHelper* pRelationSet = new utl::AccessibleRelationSetHelper;
288 0 : return pRelationSet;
289 : }
290 :
291 0 : Reference< XAccessibleStateSet > SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleStateSet( ) throw (RuntimeException, std::exception)
292 : {
293 0 : ItemMethodGuard aGuard( *m_pImpl );
294 :
295 0 : ::utl::AccessibleStateSetHelper* pStateSet( new ::utl::AccessibleStateSetHelper );
296 0 : pStateSet->AddState( AccessibleStateType::FOCUSABLE );
297 0 : pStateSet->AddState( AccessibleStateType::SELECTABLE );
298 0 : pStateSet->AddState( AccessibleStateType::ICONIFIED );
299 :
300 0 : if ( m_pImpl->getItemPos() == m_pImpl->getPanelDeck()->GetActivePanel() )
301 : {
302 0 : pStateSet->AddState( AccessibleStateType::ACTIVE );
303 0 : pStateSet->AddState( AccessibleStateType::SELECTED );
304 : }
305 :
306 0 : if ( m_pImpl->getItemPos() == m_pImpl->getTabBar()->GetFocusedPanelItem() )
307 0 : pStateSet->AddState( AccessibleStateType::FOCUSED );
308 :
309 0 : if ( m_pImpl->getTabBar()->IsEnabled() )
310 0 : pStateSet->AddState( AccessibleStateType::ENABLED );
311 :
312 0 : if ( m_pImpl->getTabBar()->IsVisible() )
313 : {
314 0 : pStateSet->AddState( AccessibleStateType::SHOWING );
315 0 : pStateSet->AddState( AccessibleStateType::VISIBLE );
316 : }
317 :
318 0 : return pStateSet;
319 : }
320 :
321 0 : Reference< XAccessible > SAL_CALL AccessibleToolPanelDeckTabBarItem::getAccessibleAtPoint( const UnoPoint& i_rLocation ) throw (RuntimeException, std::exception)
322 : {
323 0 : ItemMethodGuard aGuard( *m_pImpl );
324 : // we do not have children ...
325 : (void)i_rLocation;
326 0 : return NULL;
327 : }
328 :
329 0 : void SAL_CALL AccessibleToolPanelDeckTabBarItem::grabFocus( ) throw (RuntimeException, std::exception)
330 : {
331 0 : ItemMethodGuard aGuard( *m_pImpl );
332 0 : m_pImpl->getTabBar()->FocusPanelItem( m_pImpl->getItemPos() );
333 0 : }
334 :
335 0 : ::sal_Int32 SAL_CALL AccessibleToolPanelDeckTabBarItem::getForeground( ) throw (RuntimeException, std::exception)
336 : {
337 0 : ItemMethodGuard aGuard( *m_pImpl );
338 0 : Reference< XAccessibleComponent > xParentComponent( m_pImpl->getParentAccessibleComponent(), UNO_SET_THROW );
339 0 : return xParentComponent->getForeground();
340 : }
341 :
342 0 : ::sal_Int32 SAL_CALL AccessibleToolPanelDeckTabBarItem::getBackground( ) throw (RuntimeException, std::exception)
343 : {
344 0 : ItemMethodGuard aGuard( *m_pImpl );
345 0 : Reference< XAccessibleComponent > xParentComponent( m_pImpl->getParentAccessibleComponent(), UNO_SET_THROW );
346 0 : return xParentComponent->getBackground();
347 : }
348 :
349 0 : Reference< XFont > SAL_CALL AccessibleToolPanelDeckTabBarItem::getFont( ) throw (RuntimeException, std::exception)
350 : {
351 0 : ItemMethodGuard aGuard( *m_pImpl );
352 0 : Reference< XAccessibleExtendedComponent > xParentComponent( m_pImpl->getParentAccessibleComponent(), UNO_QUERY_THROW );
353 : // TODO: strictly, this is not correct: The TabBar implementation of the TabLayouter might use
354 : // a different font ...
355 0 : return xParentComponent->getFont();
356 : }
357 :
358 0 : OUString SAL_CALL AccessibleToolPanelDeckTabBarItem::getTitledBorderText( ) throw (RuntimeException, std::exception)
359 : {
360 0 : ItemMethodGuard aGuard( *m_pImpl );
361 : // no support
362 0 : return OUString();
363 : }
364 :
365 0 : OUString SAL_CALL AccessibleToolPanelDeckTabBarItem::getToolTipText( ) throw (RuntimeException, std::exception)
366 : {
367 0 : ItemMethodGuard aGuard( *m_pImpl );
368 0 : return m_pImpl->getPanelDisplayName();
369 : }
370 :
371 0 : UnoRectangle AccessibleToolPanelDeckTabBarItem::implGetBounds() throw (RuntimeException)
372 : {
373 0 : ItemMethodGuard aGuard( *m_pImpl );
374 :
375 0 : const ::Rectangle aItemScreenRect( m_pImpl->getTabBar()->GetItemScreenRect( m_pImpl->getItemPos() ) );
376 :
377 0 : Reference< XAccessibleComponent > xParentComponent( m_pImpl->getParentAccessibleComponent(), UNO_SET_THROW );
378 0 : const UnoPoint aParentLocation( xParentComponent->getLocationOnScreen() );
379 : return UnoRectangle(
380 0 : aItemScreenRect.Left() - aParentLocation.X,
381 0 : aItemScreenRect.Top() - aParentLocation.Y,
382 0 : aItemScreenRect.GetWidth(),
383 0 : aItemScreenRect.GetHeight()
384 0 : );
385 : }
386 :
387 0 : void SAL_CALL AccessibleToolPanelDeckTabBarItem::disposing()
388 : {
389 0 : ItemMethodGuard aGuard( *m_pImpl );
390 0 : m_pImpl->dispose();
391 0 : }
392 60 : } // namespace accessibility
393 :
394 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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