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2 *
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11 * http://www.apache.org/licenses/LICENSE-2.0
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21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_chart2.hxx"
26
27 #include "AccessibleChartView.hxx"
28 #include "chartview/ExplicitValueProvider.hxx"
29 #include "servicenames.hxx"
30 #include "macros.hxx"
31 #include "ObjectHierarchy.hxx"
32 #include "ObjectIdentifier.hxx"
33 #include "ResId.hxx"
34 #include "Strings.hrc"
35 #include "AccessibleViewForwarder.hxx"
36
37 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
38 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
39 #include <com/sun/star/accessibility/AccessibleRole.hpp>
40
41 #include <tools/string.hxx>
42 #include <vcl/window.hxx>
43 #include <toolkit/helper/vclunohelper.hxx>
44 // for SolarMutex
45 #include <vcl/svapp.hxx>
46
47 // header for typedef MutexGuard
48 #include <osl/mutex.hxx>
49
50 using namespace ::com::sun::star;
51 using namespace ::com::sun::star::accessibility;
52
53 using ::com::sun::star::uno::Sequence;
54 using ::com::sun::star::uno::Reference;
55 using ::com::sun::star::uno::WeakReference;
56 using ::com::sun::star::uno::Any;
57 using ::rtl::OUString;
58 using osl::MutexGuard;
59
60 //.............................................................................
61 namespace chart
62 {
63 //.............................................................................
64
AccessibleChartView(const Reference<uno::XComponentContext> & xContext,SdrView * pView)65 AccessibleChartView::AccessibleChartView(
66 const Reference< uno::XComponentContext >& xContext, SdrView* pView ) :
67 impl::AccessibleChartView_Base(
68 AccessibleElementInfo(), // empty for now
69 true, // has children
70 true // always transparent
71 ),
72 m_xContext( xContext ),
73 m_pSdrView( pView ),
74 m_pViewForwarder( NULL )
75 {
76 AddState( AccessibleStateType::OPAQUE );
77 }
78
~AccessibleChartView()79 AccessibleChartView::~AccessibleChartView()
80 {
81 delete m_pViewForwarder;
82 }
83
84
GetWindowPosSize() const85 awt::Rectangle AccessibleChartView::GetWindowPosSize() const
86 {
87 Reference< awt::XWindow > xWindow( GetInfo().m_xWindow );
88 if( ! xWindow.is())
89 return awt::Rectangle();
90
91 // this should do, but it doesn't => HACK
92 // return xWindow->getPosSize();
93
94 awt::Rectangle aBBox( xWindow->getPosSize() );
95
96 Window* pWindow( VCLUnoHelper::GetWindow( GetInfo().m_xWindow ));
97 if( pWindow )
98 {
99 // /-- solar
100 ::vos::OGuard aSolarGuard( Application::GetSolarMutex() );
101 Point aVCLPoint( pWindow->OutputToAbsoluteScreenPixel( Point( 0, 0 ) ));
102 aBBox.X = aVCLPoint.getX();
103 aBBox.Y = aVCLPoint.getY();
104 // \-- solar
105 }
106
107 return aBBox;
108 }
109
GetUpperLeftOnScreen() const110 awt::Point AccessibleChartView::GetUpperLeftOnScreen() const
111 {
112 awt::Point aParentPosition;
113
114 awt::Rectangle aBBox( GetWindowPosSize() );
115 aParentPosition.X = aBBox.X;
116 aParentPosition.Y = aBBox.Y;
117
118 return aParentPosition;
119 }
120
121 // ________ XAccessibleContext ________
getAccessibleName()122 OUString SAL_CALL AccessibleChartView::getAccessibleName()
123 throw (uno::RuntimeException)
124 {
125 return OUString( String( SchResId( STR_OBJECT_DIAGRAM )));
126 }
127
getAccessibleDescription()128 OUString SAL_CALL AccessibleChartView::getAccessibleDescription()
129 throw (uno::RuntimeException)
130 {
131 return getAccessibleName();
132 }
133
getAccessibleParent()134 Reference< XAccessible > SAL_CALL AccessibleChartView::getAccessibleParent()
135 throw (uno::RuntimeException)
136 {
137 return Reference< XAccessible >( m_xParent );
138 }
139
getAccessibleIndexInParent()140 sal_Int32 SAL_CALL AccessibleChartView::getAccessibleIndexInParent()
141 throw (uno::RuntimeException)
142 {
143 // the document is always the only child of the window
144 return 0;
145 }
146
getAccessibleRole()147 sal_Int16 SAL_CALL AccessibleChartView::getAccessibleRole()
148 throw (uno::RuntimeException)
149 {
150 return AccessibleRole::DOCUMENT;
151 }
152
153 // ________ XAccessibleComponent ________
getBounds()154 awt::Rectangle SAL_CALL AccessibleChartView::getBounds()
155 throw (uno::RuntimeException)
156 {
157 awt::Rectangle aResult( GetWindowPosSize());
158 Reference< XAccessible > xParent( m_xParent );
159 if( xParent.is())
160 {
161 Reference< XAccessibleComponent > xContext( xParent->getAccessibleContext(), uno::UNO_QUERY );
162 if( xContext.is())
163 {
164 awt::Point aParentPosition = xContext->getLocationOnScreen();
165 aResult.X -= aParentPosition.X;
166 aResult.Y -= aParentPosition.Y;
167 }
168 }
169 return aResult;
170 }
171
getLocationOnScreen()172 awt::Point SAL_CALL AccessibleChartView::getLocationOnScreen()
173 throw (uno::RuntimeException)
174 {
175 awt::Rectangle aBounds( getBounds());
176 awt::Point aResult;
177 Reference< XAccessible > xParent( m_xParent );
178 if( xParent.is())
179 {
180 Reference< XAccessibleComponent > xAccComp(
181 xParent->getAccessibleContext(), uno::UNO_QUERY );
182 aResult = xAccComp->getLocationOnScreen();
183 aResult.X += aBounds.X;
184 aResult.Y += aBounds.Y;
185 }
186 return aResult;
187 }
188
189 //-----------------------------------------------------------------
190 // lang::XInitialization
191 //-----------------------------------------------------------------
192
initialize(const Sequence<Any> & rArguments)193 void SAL_CALL AccessibleChartView::initialize( const Sequence< Any >& rArguments )
194 throw (uno::Exception, uno::RuntimeException)
195 {
196 //0: view::XSelectionSupplier offers notifications for selection changes and access to the selection itself
197 //1: frame::XModel representing the chart model - offers access to object data
198 //2: lang::XInterface representing the normal chart view - offers access to some extra object data
199
200 //all arguments are only valid until next initialization
201 bool bChanged = false;
202 bool bOldInvalid = false;
203 bool bNewInvalid = false;
204
205 Reference< view::XSelectionSupplier > xSelectionSupplier;
206 Reference< frame::XModel > xChartModel;
207 Reference< uno::XInterface > xChartView;
208 Reference< XAccessible > xParent;
209 Reference< awt::XWindow > xWindow;
210 {
211 MutexGuard aGuard( GetMutex());
212 xSelectionSupplier.set( m_xSelectionSupplier );
213 xChartModel.set( m_xChartModel );
214 xChartView.set( m_xChartView );
215 xParent.set( m_xParent );
216 xWindow.set( m_xWindow );
217 }
218
219 if( !xSelectionSupplier.is() || !xChartModel.is() || !xChartView.is() )
220 {
221 bOldInvalid = true;
222 }
223
224 if( rArguments.getLength() > 1 )
225 {
226 Reference< frame::XModel > xNewChartModel;
227 rArguments[1] >>= xNewChartModel;
228 if( xNewChartModel != xChartModel )
229 {
230 xChartModel = xNewChartModel;
231 bChanged = true;
232 }
233 }
234 else if( xChartModel.is() )
235 {
236 bChanged = true;
237 xChartModel = 0;
238 }
239
240 if( rArguments.getLength() > 2 )
241 {
242 Reference< uno::XInterface > xNewChartView;
243 rArguments[2] >>= xNewChartView;
244 if( xNewChartView != xChartView )
245 {
246 xChartView = xNewChartView;
247 bChanged = true;
248 }
249 }
250 else if( xChartView.is() )
251 {
252 bChanged = true;
253 xChartView = 0;
254 }
255
256 if( rArguments.getLength() > 3 )
257 {
258 Reference< XAccessible > xNewParent;
259 rArguments[3] >>= xNewParent;
260 if( xNewParent != xParent )
261 {
262 xParent = xNewParent;
263 bChanged = true;
264 }
265 }
266
267 if( rArguments.getLength() > 4 )
268 {
269 Reference< awt::XWindow > xNewWindow;
270 rArguments[4] >>= xNewWindow;
271 if( xNewWindow != xWindow )
272 {
273 xWindow.set( xNewWindow );
274 bChanged = true;
275 }
276 }
277
278 if( rArguments.getLength() > 0 && xChartModel.is() && xChartView.is() )
279 {
280 Reference< view::XSelectionSupplier > xNewSelectionSupplier;
281 rArguments[0] >>= xNewSelectionSupplier;
282 if(xSelectionSupplier!=xNewSelectionSupplier)
283 {
284 bChanged = true;
285 if(xSelectionSupplier.is())
286 xSelectionSupplier->removeSelectionChangeListener(this);
287 if(xNewSelectionSupplier.is())
288 xNewSelectionSupplier->addSelectionChangeListener(this);
289 xSelectionSupplier = xNewSelectionSupplier;
290 }
291 }
292 else if( xSelectionSupplier.is() )
293 {
294 bChanged = true;
295 xSelectionSupplier->removeSelectionChangeListener(this);
296 xSelectionSupplier = 0;
297 }
298
299 if( !xSelectionSupplier.is() || !xChartModel.is() || !xChartView.is() )
300 {
301 if(xSelectionSupplier.is())
302 xSelectionSupplier->removeSelectionChangeListener(this);
303 xSelectionSupplier = 0;
304 xChartModel.clear();
305 xChartView.clear();
306 xParent.clear();
307 xWindow.clear();
308
309 bNewInvalid = true;
310 }
311
312 {
313 MutexGuard aGuard( GetMutex());
314 m_xSelectionSupplier = WeakReference< view::XSelectionSupplier >(xSelectionSupplier);
315 m_xChartModel = WeakReference< frame::XModel >(xChartModel);
316 m_xChartView = WeakReference< uno::XInterface >(xChartView);
317 m_xParent = WeakReference< XAccessible >(xParent);
318 m_xWindow = WeakReference< awt::XWindow >(xWindow);
319 }
320
321 if( bOldInvalid && bNewInvalid )
322 bChanged = false;
323
324 if( bChanged )
325 {
326 {
327 //before notification we prepare for creation of new context
328 //the old context will be deleted after notification than
329 MutexGuard aGuard( GetMutex());
330 Reference< chart2::XChartDocument > xChartDoc( xChartModel, uno::UNO_QUERY );
331 if( xChartDoc.is())
332 m_spObjectHierarchy.reset( new ObjectHierarchy( xChartDoc, getExplicitValueProvider() ));
333 else
334 m_spObjectHierarchy.reset();
335 }
336
337 {
338 AccessibleElementInfo aAccInfo;
339 aAccInfo.m_aOID = ObjectIdentifier( C2U( "ROOT" ) );
340 aAccInfo.m_xChartDocument = uno::WeakReference< chart2::XChartDocument >(
341 uno::Reference< chart2::XChartDocument >( m_xChartModel.get(), uno::UNO_QUERY ));
342 aAccInfo.m_xSelectionSupplier = m_xSelectionSupplier;
343 aAccInfo.m_xView = m_xChartView;
344 aAccInfo.m_xWindow = m_xWindow;
345 aAccInfo.m_pParent = 0;
346 aAccInfo.m_spObjectHierarchy = m_spObjectHierarchy;
347 aAccInfo.m_pSdrView = m_pSdrView;
348 Window* pWindow = VCLUnoHelper::GetWindow( m_xWindow );
349 if ( m_pViewForwarder )
350 {
351 delete m_pViewForwarder;
352 }
353 m_pViewForwarder = new AccessibleViewForwarder( this, pWindow );
354 aAccInfo.m_pViewForwarder = m_pViewForwarder;
355 // broadcasts an INVALIDATE_ALL_CHILDREN event globally
356 SetInfo( aAccInfo );
357 }
358 }
359 }
360
getExplicitValueProvider()361 ExplicitValueProvider* AccessibleChartView::getExplicitValueProvider()
362 {
363 return ExplicitValueProvider::getExplicitValueProvider(m_xChartView);
364 }
365
366 //-------------------------------------------------------------------------
367 // view::XSelectionChangeListener
368 //-------------------------------------------------------------------------
369
selectionChanged(const lang::EventObject &)370 void SAL_CALL AccessibleChartView::selectionChanged( const lang::EventObject& /*rEvent*/ )
371 throw (uno::RuntimeException)
372 {
373 Reference< view::XSelectionSupplier > xSelectionSupplier;
374 {
375 MutexGuard aGuard( GetMutex());
376 xSelectionSupplier = Reference< view::XSelectionSupplier >(m_xSelectionSupplier);
377 }
378
379 if( xSelectionSupplier.is() )
380 {
381 ObjectIdentifier aSelectedOID( xSelectionSupplier->getSelection() );
382 if ( m_aCurrentSelectionOID.isValid() )
383 {
384 NotifyEvent( LOST_SELECTION, m_aCurrentSelectionOID );
385 }
386 if( aSelectedOID.isValid() )
387 {
388 NotifyEvent( GOT_SELECTION, aSelectedOID );
389 }
390 m_aCurrentSelectionOID = aSelectedOID;
391 }
392 }
393
394 //-------------------------------------------------------------------------
395 // lang::XComponent::dispose()
396 //-------------------------------------------------------------------------
disposing()397 void SAL_CALL AccessibleChartView::disposing()
398 {
399 AccessibleBase::disposing();
400 }
401
402 //-------------------------------------------------------------------------
403 // XEventListener
404 //-------------------------------------------------------------------------
disposing(const lang::EventObject &)405 void SAL_CALL AccessibleChartView::disposing( const lang::EventObject& /*Source*/ )
406 throw (uno::RuntimeException)
407 {
408 }
409
410 //.............................................................................
411 } //namespace chart
412 //.............................................................................
413