LibreOffice Module sc (master)  1
DrawModelBroadcaster.cxx
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15  * License, Version 2.0 (the "License"); you may not use this file
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17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #include <DrawModelBroadcaster.hxx>
21 #include <svx/svdmodel.hxx>
22 #include <svx/unomod.hxx>
23 #include <svx/svdobj.hxx>
24 #include <tools/diagnose_ex.h>
25 
26 using namespace ::com::sun::star;
27 
29  maEventListeners( maListenerMutex ),
30  mpDrawModel( pDrawModel )
31 {
32  if (mpDrawModel)
34 }
35 
37 {
38  if (mpDrawModel)
40 }
41 
42 void SAL_CALL ScDrawModelBroadcaster::addEventListener( const uno::Reference< document::XEventListener >& xListener )
43 {
44  maEventListeners.addInterface( xListener );
45 }
46 
47 void SAL_CALL ScDrawModelBroadcaster::removeEventListener( const uno::Reference< document::XEventListener >& xListener )
48 {
49  maEventListeners.removeInterface( xListener );
50 }
51 
53  const css::uno::Reference< css::drawing::XShape >& xShape,
54  const uno::Reference< document::XShapeEventListener >& xListener )
55 {
56  assert(xShape.is() && "no shape?");
57  osl::MutexGuard aGuard(maListenerMutex);
58  auto rv = maShapeListeners.emplace(xShape, xListener);
59  assert(rv.second && "duplicate listener?");
60  (void)rv;
61 }
62 
64  const css::uno::Reference< css::drawing::XShape >& xShape,
65  const uno::Reference< document::XShapeEventListener >& xListener )
66 {
67  osl::MutexGuard aGuard(maListenerMutex);
68  auto it = maShapeListeners.find(xShape);
69  if (it != maShapeListeners.end())
70  {
71  assert(it->second == xListener && "removing wrong listener?");
72  (void)xListener;
73  maShapeListeners.erase(it);
74  }
75 }
76 
78  const SfxHint& rHint )
79 {
80  if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)
81  return;
82  const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);
83 
84  document::EventObject aEvent;
85  if( !SvxUnoDrawMSFactory::createEvent( mpDrawModel, pSdrHint, aEvent ) )
86  return;
87 
89  while( aIter.hasMoreElements() )
90  {
91  const uno::Reference < document::XEventListener >& xListener = aIter.next();
92  try
93  {
94  xListener->notifyEvent( aEvent );
95  }
96  catch( const uno::RuntimeException& )
97  {
98  TOOLS_WARN_EXCEPTION("sc.ui", "Runtime exception caught while notifying shape");
99  }
100  }
101 
102  // right now, we're only handling the specific event necessary to fix this performance problem
103  if (pSdrHint->GetKind() == SdrHintKind::ObjectChange)
104  {
105  auto pSdrObject = const_cast<SdrObject*>(pSdrHint->GetObject());
106  uno::Reference<drawing::XShape> xShape(pSdrObject->getUnoShape(), uno::UNO_QUERY);
107  osl::MutexGuard aGuard(maListenerMutex);
108  auto it = maShapeListeners.find(xShape);
109  if (it != maShapeListeners.end())
110  it->second->notifyShapeEvent(aEvent);
111  }
112 }
113 
114 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual void SAL_CALL removeShapeEventListener(const css::uno::Reference< css::drawing::XShape > &xShape, const css::uno::Reference< css::document::XShapeEventListener > &xListener) override
static bool createEvent(const SdrModel *pDoc, const SdrHint *pSdrHint, css::document::EventObject &aEvent)
SdrHintKind GetKind() const
sal_Int32 addInterface(const css::uno::Reference< ListenerT > &rxIFace)
ScDrawModelBroadcaster(SdrModel *pDrawModel)
SfxHintId GetId() const
const BorderLinePrimitive2D *pCandidateB assert(pCandidateA)
#define TOOLS_WARN_EXCEPTION(area, stream)
sal_Int32 removeInterface(const css::uno::Reference< ListenerT > &rxIFace)
css::uno::Reference< ListenerT > const & next()
virtual void Notify(SfxBroadcaster &rBC, const SfxHint &rHint) override
void StartListening(SfxBroadcaster &rBroadcaster, DuplicateHandling eDuplicateHanding=DuplicateHandling::Unexpected)
mutable::osl::Mutex maListenerMutex
virtual void SAL_CALL addEventListener(const css::uno::Reference< css::document::XEventListener > &xListener) override
void EndListening(SfxBroadcaster &rBroadcaster, bool bRemoveAllDuplicates=false)
virtual void SAL_CALL removeEventListener(const css::uno::Reference< css::document::XEventListener > &xListener) override
virtual ~ScDrawModelBroadcaster() override
virtual void SAL_CALL addShapeEventListener(const css::uno::Reference< css::drawing::XShape > &xShape, const css::uno::Reference< css::document::XShapeEventListener > &xListener) override
::comphelper::OInterfaceContainerHelper3< css::document::XEventListener > maEventListeners
AnyEventRef aEvent
std::unordered_map< css::uno::Reference< css::drawing::XShape >, css::uno::Reference< css::document::XShapeEventListener > > maShapeListeners
const SdrObject * GetObject() const
typedef void(CALLTYPE *GetFuncDataPtr)(sal_uInt16 &nNo