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  mpDrawModel( pDrawModel )
30 {
31  if (mpDrawModel)
33 }
34 
36 {
37  if (mpDrawModel)
39 }
40 
41 void SAL_CALL ScDrawModelBroadcaster::addEventListener( const uno::Reference< document::XEventListener >& xListener )
42 {
43  std::unique_lock aGuard(maListenerMutex);
44  maEventListeners.addInterface( aGuard, xListener );
45 }
46 
47 void SAL_CALL ScDrawModelBroadcaster::removeEventListener( const uno::Reference< document::XEventListener >& xListener )
48 {
49  std::unique_lock aGuard(maListenerMutex);
50  maEventListeners.removeInterface( aGuard, xListener );
51 }
52 
54  const css::uno::Reference< css::drawing::XShape >& xShape,
55  const uno::Reference< document::XShapeEventListener >& xListener )
56 {
57  assert(xShape.is() && "no shape?");
58  std::scoped_lock aGuard(maListenerMutex);
59  auto rv = maShapeListeners.emplace(xShape, xListener);
60  assert(rv.second && "duplicate listener?");
61  (void)rv;
62 }
63 
65  const css::uno::Reference< css::drawing::XShape >& xShape,
66  const uno::Reference< document::XShapeEventListener >& xListener )
67 {
68  std::scoped_lock aGuard(maListenerMutex);
69  auto it = maShapeListeners.find(xShape);
70  if (it != maShapeListeners.end())
71  {
72  assert(it->second == xListener && "removing wrong listener?");
73  (void)xListener;
74  maShapeListeners.erase(it);
75  }
76 }
77 
79  const SfxHint& rHint )
80 {
81  if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)
82  return;
83  const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);
84 
85  document::EventObject aEvent;
86  if( !SvxUnoDrawMSFactory::createEvent( mpDrawModel, pSdrHint, aEvent ) )
87  return;
88 
89  std::unique_lock aGuard(maListenerMutex);
91  [&aEvent](const css::uno::Reference<document::XEventListener>& xListener)
92  {
93  xListener->notifyEvent(aEvent);
94  }
95  );
96 
97  // right now, we're only handling the specific event necessary to fix this performance problem
98  if (pSdrHint->GetKind() == SdrHintKind::ObjectChange)
99  {
100  auto pSdrObject = const_cast<SdrObject*>(pSdrHint->GetObject());
101  uno::Reference<drawing::XShape> xShape(pSdrObject->getUnoShape(), uno::UNO_QUERY);
102  aGuard.lock();
103  auto it = maShapeListeners.find(xShape);
104  if (it != maShapeListeners.end())
105  it->second->notifyShapeEvent(aEvent);
106  }
107 }
108 
109 /* 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(std::unique_lock< std::mutex > &rGuard, const css::uno::Reference< ListenerT > &rxIFace)
void forEach(std::unique_lock< std::mutex > &rGuard, FuncT const &func)
ScDrawModelBroadcaster(SdrModel *pDrawModel)
SfxHintId GetId() const
virtual void Notify(SfxBroadcaster &rBC, const SfxHint &rHint) override
void StartListening(SfxBroadcaster &rBroadcaster, DuplicateHandling eDuplicateHanding=DuplicateHandling::Unexpected)
virtual void SAL_CALL addEventListener(const css::uno::Reference< css::document::XEventListener > &xListener) override
void EndListening(SfxBroadcaster &rBroadcaster, bool bRemoveAllDuplicates=false)
::comphelper::OInterfaceContainerHelper4< css::document::XEventListener > maEventListeners
virtual void SAL_CALL removeEventListener(const css::uno::Reference< css::document::XEventListener > &xListener) override
virtual ~ScDrawModelBroadcaster() override
sal_Int32 removeInterface(std::unique_lock< std::mutex > &rGuard, const css::uno::Reference< ListenerT > &rxIFace)
virtual void SAL_CALL addShapeEventListener(const css::uno::Reference< css::drawing::XShape > &xShape, const css::uno::Reference< css::document::XShapeEventListener > &xListener) override
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