21 #include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
22 #include <rtl/instance.hxx>
36 typedef std::pair< AccessibleEventNotifier::TClientId,
37 AccessibleEventObject > ClientEvent;
39 typedef std::map< AccessibleEventNotifier::TClientId,
43 typedef std::map<AccessibleEventNotifier::TClientId,
44 AccessibleEventNotifier::TClientId> IntervalMap;
46 struct lclMutex :
public rtl::Static< ::osl::Mutex, lclMutex > {};
48 struct Clients :
public rtl::Static< ClientMap, Clients > {};
50 struct FreeIntervals :
public rtl::StaticWithInit<IntervalMap, FreeIntervals>
52 IntervalMap operator() ()
55 map.insert(std::make_pair(
56 std::numeric_limits<AccessibleEventNotifier::TClientId>::max(), 1));
61 void releaseId(AccessibleEventNotifier::TClientId
const nId)
63 IntervalMap & rFreeIntervals(FreeIntervals::get());
64 IntervalMap::iterator
const upper(rFreeIntervals.upper_bound(nId));
65 assert(upper != rFreeIntervals.end());
66 assert(nId < upper->second);
67 if (nId + 1 == upper->second)
73 IntervalMap::iterator
const lower(rFreeIntervals.lower_bound(nId));
74 if (lower != rFreeIntervals.end() && lower->first == nId - 1)
77 rFreeIntervals.insert(std::make_pair(nId, lower->second));
78 rFreeIntervals.erase(lower);
82 rFreeIntervals.insert(std::make_pair(nId, nId));
90 AccessibleEventNotifier::TClientId generateId()
92 IntervalMap & rFreeIntervals(FreeIntervals::get());
93 assert(!rFreeIntervals.empty());
94 IntervalMap::iterator
const iter(rFreeIntervals.begin());
95 AccessibleEventNotifier::TClientId
const nFirst = iter->first;
96 AccessibleEventNotifier::TClientId
const nFreeId = iter->second;
98 if (nFreeId != nFirst)
104 rFreeIntervals.erase(iter);
107 assert(Clients::get().
end() == Clients::get().
find(nFreeId));
127 bool implLookupClient(
128 const AccessibleEventNotifier::TClientId nClient,
129 ClientMap::iterator& rPos )
132 ClientMap &rClients = Clients::get();
133 rPos = rClients.find( nClient );
134 assert( rClients.end() != rPos &&
135 "AccessibleEventNotifier::implLookupClient: invalid client id "
136 "(did you register your client?)!" );
138 return ( rClients.end() != rPos );
147 ::osl::MutexGuard aGuard( lclMutex::get() );
154 new ::comphelper::OInterfaceContainerHelper2( lclMutex::get() );
161 Clients::get().emplace( nNewClientId, pNewListeners );
169 ::osl::MutexGuard aGuard( lclMutex::get() );
171 ClientMap::iterator aClientPos;
172 if ( !implLookupClient( _nClient, aClientPos ) )
177 delete aClientPos->second;
178 Clients::get().erase( aClientPos );
183 const TClientId _nClient,
const Reference< XInterface >& _rxEventSource )
185 std::unique_ptr<::comphelper::OInterfaceContainerHelper2> pListeners;
189 ::osl::MutexGuard aGuard( lclMutex::get() );
191 ClientMap::iterator aClientPos;
192 if (!implLookupClient(_nClient, aClientPos))
197 pListeners.reset(aClientPos->second);
203 Clients::get().erase(aClientPos);
208 EventObject aDisposalEvent;
209 aDisposalEvent.Source = _rxEventSource;
212 pListeners->disposeAndClear( aDisposalEvent );
216 const TClientId _nClient,
const Reference< XAccessibleEventListener >& _rxListener )
218 ::osl::MutexGuard aGuard( lclMutex::get() );
220 ClientMap::iterator aClientPos;
221 if ( !implLookupClient( _nClient, aClientPos ) )
225 if ( _rxListener.is() )
226 aClientPos->second->addInterface( _rxListener );
228 return aClientPos->second->getLength();
232 const TClientId _nClient,
const Reference< XAccessibleEventListener >& _rxListener )
234 ::osl::MutexGuard aGuard( lclMutex::get() );
236 ClientMap::iterator aClientPos;
237 if ( !implLookupClient( _nClient, aClientPos ) )
241 if ( _rxListener.is() )
242 aClientPos->second->removeInterface( _rxListener );
244 return aClientPos->second->getLength();
249 std::vector< Reference< XInterface > >
aListeners;
252 ::osl::MutexGuard aGuard( lclMutex::get() );
254 ClientMap::iterator aClientPos;
255 if ( !implLookupClient( _nClient, aClientPos ) )
260 aListeners = aClientPos->second->getElements();
264 for (
const auto& rListener : aListeners )
268 static_cast< XAccessibleEventListener*
>( rListener.get() )->notifyEvent( _rEvent );
const BorderLinePrimitive2D *pCandidateB assert(pCandidateA)
static sal_Int32 removeEventListener(const TClientId _nClient, const css::uno::Reference< css::accessibility::XAccessibleEventListener > &_rxListener)
revokes a listener for the given client
static void revokeClientNotifyDisposing(const TClientId _nClient, const css::uno::Reference< css::uno::XInterface > &_rxEventSource)
revokes a client, with additionally notifying a disposing event to all listeners registered for this ...
enumrange< T >::Iterator end(enumrange< T >)
static PropertyMapEntry const * find(rtl::Reference< PropertySetInfo > &mxInfo, const OUString &aName)
static void revokeClient(const TClientId _nClient)
revokes a broadcaster of AccessibleEvents
std::map< OUString, rtl::Reference< Entity > > map
static void addEvent(const TClientId _nClient, const css::accessibility::AccessibleEventObject &_rEvent)
adds an event, which is to be broadcasted, to the queue
static TClientId registerClient()
registers a client of this class, means a broadcaster of AccessibleEvents
A container of interfaces.
static sal_Int32 addEventListener(const TClientId _nClient, const css::uno::Reference< css::accessibility::XAccessibleEventListener > &_rxListener)
registers a listener for the given client