| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_dbaccess.hxx" |
| |
| #include "documenteventnotifier.hxx" |
| |
| /** === begin UNO includes === **/ |
| #include <com/sun/star/frame/DoubleInitializationException.hpp> |
| /** === end UNO includes === **/ |
| |
| #include <comphelper/asyncnotification.hxx> |
| #include <cppuhelper/interfacecontainer.hxx> |
| #include <cppuhelper/weak.hxx> |
| #include <tools/diagnose_ex.h> |
| |
| //........................................................................ |
| namespace dbaccess |
| { |
| //........................................................................ |
| |
| /** === begin UNO using === **/ |
| using ::com::sun::star::uno::Reference; |
| using ::com::sun::star::uno::XInterface; |
| using ::com::sun::star::uno::UNO_QUERY; |
| using ::com::sun::star::uno::UNO_QUERY_THROW; |
| using ::com::sun::star::uno::UNO_SET_THROW; |
| using ::com::sun::star::uno::Exception; |
| using ::com::sun::star::uno::RuntimeException; |
| using ::com::sun::star::uno::Any; |
| using ::com::sun::star::uno::makeAny; |
| using ::com::sun::star::uno::Sequence; |
| using ::com::sun::star::uno::Type; |
| using ::com::sun::star::frame::DoubleInitializationException; |
| using ::com::sun::star::document::XDocumentEventListener; |
| using ::com::sun::star::document::DocumentEvent; |
| using ::com::sun::star::frame::XController2; |
| /** === end UNO using === **/ |
| using namespace ::com::sun::star; |
| |
| //================================================================== |
| //= DocumentEventHolder |
| //================================================================== |
| typedef ::comphelper::EventHolder< DocumentEvent > DocumentEventHolder; |
| |
| //==================================================================== |
| //= DocumentEventNotifier_Impl |
| //==================================================================== |
| class DocumentEventNotifier_Impl : public ::comphelper::IEventProcessor |
| { |
| oslInterlockedCount m_refCount; |
| ::cppu::OWeakObject& m_rDocument; |
| ::osl::Mutex& m_rMutex; |
| bool m_bInitialized; |
| bool m_bDisposed; |
| ::rtl::Reference< ::comphelper::AsyncEventNotifier > m_pEventBroadcaster; |
| ::cppu::OInterfaceContainerHelper m_aLegacyEventListeners; |
| ::cppu::OInterfaceContainerHelper m_aDocumentEventListeners; |
| |
| public: |
| DocumentEventNotifier_Impl( ::cppu::OWeakObject& _rBroadcasterDocument, ::osl::Mutex& _rMutex ) |
| :m_refCount( 0 ) |
| ,m_rDocument( _rBroadcasterDocument ) |
| ,m_rMutex( _rMutex ) |
| ,m_bInitialized( false ) |
| ,m_bDisposed( false ) |
| ,m_aLegacyEventListeners( _rMutex ) |
| ,m_aDocumentEventListeners( _rMutex ) |
| { |
| } |
| |
| // IReference |
| virtual void SAL_CALL acquire(); |
| virtual void SAL_CALL release(); |
| |
| void addLegacyEventListener( const Reference< document::XEventListener >& _Listener ) |
| { |
| m_aLegacyEventListeners.addInterface( _Listener ); |
| } |
| |
| void removeLegacyEventListener( const Reference< document::XEventListener >& _Listener ) |
| { |
| m_aLegacyEventListeners.removeInterface( _Listener ); |
| } |
| |
| void addDocumentEventListener( const Reference< XDocumentEventListener >& _Listener ) |
| { |
| m_aDocumentEventListeners.addInterface( _Listener ); |
| } |
| |
| void removeDocumentEventListener( const Reference< XDocumentEventListener >& _Listener ) |
| { |
| m_aDocumentEventListeners.removeInterface( _Listener ); |
| } |
| |
| void disposing(); |
| |
| void onDocumentInitialized(); |
| |
| void notifyDocumentEvent( const ::rtl::OUString& _EventName, const Reference< XController2 >& _ViewController, |
| const Any& _Supplement ) |
| { |
| impl_notifyEvent_nothrow( DocumentEvent( |
| m_rDocument, _EventName, _ViewController, _Supplement ) ); |
| } |
| |
| void notifyDocumentEventAsync( const ::rtl::OUString& _EventName, const Reference< XController2 >& _ViewController, |
| const Any& _Supplement ) |
| { |
| impl_notifyEventAsync_nothrow( DocumentEvent( |
| m_rDocument, _EventName, _ViewController, _Supplement ) ); |
| } |
| |
| protected: |
| virtual ~DocumentEventNotifier_Impl() |
| { |
| } |
| |
| // IEventProcessor |
| virtual void processEvent( const ::comphelper::AnyEvent& _rEvent ); |
| |
| private: |
| void impl_notifyEvent_nothrow( const DocumentEvent& _rEvent ); |
| void impl_notifyEventAsync_nothrow( const DocumentEvent& _rEvent ); |
| }; |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL DocumentEventNotifier_Impl::acquire() |
| { |
| osl_incrementInterlockedCount( &m_refCount ); |
| } |
| |
| //-------------------------------------------------------------------- |
| void SAL_CALL DocumentEventNotifier_Impl::release() |
| { |
| if ( 0 == osl_decrementInterlockedCount( &m_refCount ) ) |
| delete this; |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier_Impl::disposing() |
| { |
| // SYNCHRONIZED -> |
| // cancel any pending asynchronous events |
| ::osl::ResettableMutexGuard aGuard( m_rMutex ); |
| if ( m_pEventBroadcaster.is() ) |
| { |
| m_pEventBroadcaster->removeEventsForProcessor( this ); |
| m_pEventBroadcaster->terminate(); |
| m_pEventBroadcaster = NULL; |
| } |
| |
| lang::EventObject aEvent( m_rDocument ); |
| aGuard.clear(); |
| // <-- SYNCHRONIZED |
| |
| m_aLegacyEventListeners.disposeAndClear( aEvent ); |
| m_aDocumentEventListeners.disposeAndClear( aEvent ); |
| |
| // SYNCHRONIZED -> |
| aGuard.reset(); |
| m_bDisposed = true; |
| // <-- SYNCHRONIZED |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier_Impl::onDocumentInitialized() |
| { |
| if ( m_bInitialized ) |
| throw DoubleInitializationException(); |
| |
| m_bInitialized = true; |
| if ( m_pEventBroadcaster.is() ) |
| // there are already pending asynchronous events |
| m_pEventBroadcaster->create(); |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier_Impl::impl_notifyEvent_nothrow( const DocumentEvent& _rEvent ) |
| { |
| OSL_PRECOND( m_bInitialized, |
| "DocumentEventNotifier_Impl::impl_notifyEvent_nothrow: only to be called when the document is already initialized!" ); |
| try |
| { |
| document::EventObject aLegacyEvent( _rEvent.Source, _rEvent.EventName ); |
| m_aLegacyEventListeners.notifyEach( &document::XEventListener::notifyEvent, aLegacyEvent ); |
| } |
| catch(const Exception&) |
| { |
| DBG_UNHANDLED_EXCEPTION(); |
| } |
| try |
| { |
| m_aDocumentEventListeners.notifyEach( &XDocumentEventListener::documentEventOccured, _rEvent ); |
| } |
| catch( const Exception& ) |
| { |
| DBG_UNHANDLED_EXCEPTION(); |
| } |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier_Impl::impl_notifyEventAsync_nothrow( const DocumentEvent& _rEvent ) |
| { |
| if ( !m_pEventBroadcaster.is() ) |
| { |
| m_pEventBroadcaster.set( new ::comphelper::AsyncEventNotifier ); |
| if ( m_bInitialized ) |
| // start processing the events if and only if we (our document, respectively) are |
| // already initialized |
| m_pEventBroadcaster->create(); |
| } |
| m_pEventBroadcaster->addEvent( new DocumentEventHolder( _rEvent ), this ); |
| } |
| |
| // ----------------------------------------------------------------------------- |
| void DocumentEventNotifier_Impl::processEvent( const ::comphelper::AnyEvent& _rEvent ) |
| { |
| // beware, this is called from the notification thread |
| { |
| ::osl::MutexGuard aGuard( m_rMutex ); |
| if ( m_bDisposed ) |
| return; |
| } |
| const DocumentEventHolder& rEventHolder = dynamic_cast< const DocumentEventHolder& >( _rEvent ); |
| impl_notifyEvent_nothrow( rEventHolder.getEventObject() ); |
| } |
| |
| //==================================================================== |
| //= DocumentEventNotifier |
| //==================================================================== |
| //-------------------------------------------------------------------- |
| DocumentEventNotifier::DocumentEventNotifier( ::cppu::OWeakObject& _rBroadcasterDocument, ::osl::Mutex& _rMutex ) |
| :m_pImpl( new DocumentEventNotifier_Impl( _rBroadcasterDocument, _rMutex ) ) |
| { |
| } |
| |
| //-------------------------------------------------------------------- |
| DocumentEventNotifier::~DocumentEventNotifier() |
| { |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier::disposing() |
| { |
| m_pImpl->disposing(); |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier::onDocumentInitialized() |
| { |
| m_pImpl->onDocumentInitialized(); |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier::addLegacyEventListener( const Reference< document::XEventListener >& _Listener ) |
| { |
| m_pImpl->addLegacyEventListener( _Listener ); |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier::removeLegacyEventListener( const Reference< document::XEventListener >& _Listener ) |
| { |
| m_pImpl->removeLegacyEventListener( _Listener ); |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier::addDocumentEventListener( const Reference< XDocumentEventListener >& _Listener ) |
| { |
| m_pImpl->addDocumentEventListener( _Listener ); |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier::removeDocumentEventListener( const Reference< XDocumentEventListener >& _Listener ) |
| { |
| m_pImpl->removeDocumentEventListener( _Listener ); |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier::notifyDocumentEvent( const ::rtl::OUString& _EventName, |
| const Reference< XController2 >& _ViewController, const Any& _Supplement ) |
| { |
| m_pImpl->notifyDocumentEvent( _EventName, _ViewController, _Supplement ); |
| } |
| |
| //-------------------------------------------------------------------- |
| void DocumentEventNotifier::notifyDocumentEventAsync( const ::rtl::OUString& _EventName, |
| const Reference< XController2 >& _ViewController, const Any& _Supplement ) |
| { |
| m_pImpl->notifyDocumentEventAsync( _EventName, _ViewController, _Supplement ); |
| } |
| |
| //........................................................................ |
| } // namespace dbaccess |
| //........................................................................ |
