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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_basctl.hxx"
+
+#include "doceventnotifier.hxx"
+#include "scriptdocument.hxx"
+
+/** === begin UNO includes === **/
+#include <com/sun/star/document/XEventBroadcaster.hpp>
+/** === end UNO includes === **/
+
+#include <vcl/svapp.hxx>
+
+#include <tools/diagnose_ex.h>
+
+#include <comphelper/componentcontext.hxx>
+#include <comphelper/processfactory.hxx>
+
+#include <vos/mutex.hxx>
+
+#include <cppuhelper/compbase1.hxx>
+#include <cppuhelper/basemutex.hxx>
+
+//........................................................................
+namespace basctl
+{
+//........................................................................
+
+ /** === begin UNO using === **/
+ using ::com::sun::star::document::XEventBroadcaster;
+ using ::com::sun::star::document::XEventListener;
+ using ::com::sun::star::document::EventObject;
+ using ::com::sun::star::uno::RuntimeException;
+ using ::com::sun::star::uno::Reference;
+ using ::com::sun::star::uno::UNO_QUERY_THROW;
+ using ::com::sun::star::uno::Exception;
+ using ::com::sun::star::frame::XModel;
+ using ::com::sun::star::uno::UNO_QUERY;
+ /** === end UNO using === **/
+ namespace csslang = ::com::sun::star::lang;
+
+ //====================================================================
+ //= DocumentEventNotifier_Impl
+ //====================================================================
+ typedef ::cppu::WeakComponentImplHelper1 < XEventListener
+ > DocumentEventNotifier_Impl_Base;
+
+ enum ListenerAction
+ {
+ RegisterListener,
+ RemoveListener
+ };
+
+ /** impl class for DocumentEventNotifier
+ */
+ class DocumentEventNotifier_Impl :public ::boost::noncopyable
+ ,public ::cppu::BaseMutex
+ ,public DocumentEventNotifier_Impl_Base
+ {
+ public:
+ DocumentEventNotifier_Impl( DocumentEventListener& _rListener, const Reference< XModel >& _rxDocument );
+
+ // document::XEventListener
+ virtual void SAL_CALL notifyEvent( const EventObject& Event ) throw (RuntimeException);
+
+ // lang::XEventListener
+ virtual void SAL_CALL disposing( const csslang::EventObject& Event ) throw (RuntimeException);
+
+ // ComponentHelper
+ virtual void SAL_CALL disposing();
+
+ protected:
+ ~DocumentEventNotifier_Impl();
+
+ private:
+ /// determines whether the instance is already disposed
+ bool impl_isDisposed_nothrow() const { return m_pListener == NULL; }
+
+ /// disposes the instance
+ void impl_dispose_nothrow();
+
+ /// registers or revokes the instance as listener at the global event broadcaster
+ void impl_listenerAction_nothrow( ListenerAction _eAction );
+
+ private:
+ DocumentEventListener* m_pListener;
+ Reference< XModel > m_xModel;
+ };
+
+ //--------------------------------------------------------------------
+ DocumentEventNotifier_Impl::DocumentEventNotifier_Impl( DocumentEventListener& _rListener, const Reference< XModel >& _rxDocument )
+ :DocumentEventNotifier_Impl_Base( m_aMutex )
+ ,m_pListener( &_rListener )
+ ,m_xModel( _rxDocument )
+ {
+ osl_incrementInterlockedCount( &m_refCount );
+ impl_listenerAction_nothrow( RegisterListener );
+ osl_decrementInterlockedCount( &m_refCount );
+ }
+
+ //--------------------------------------------------------------------
+ DocumentEventNotifier_Impl::~DocumentEventNotifier_Impl()
+ {
+ if ( !impl_isDisposed_nothrow() )
+ {
+ acquire();
+ dispose();
+ }
+ }
+
+ //--------------------------------------------------------------------
+ void SAL_CALL DocumentEventNotifier_Impl::notifyEvent( const EventObject& _rEvent ) throw (RuntimeException)
+ {
+ ::osl::ClearableMutexGuard aGuard( m_aMutex );
+
+ OSL_PRECOND( !impl_isDisposed_nothrow(), "DocumentEventNotifier_Impl::notifyEvent: disposed, but still getting events?" );
+ if ( impl_isDisposed_nothrow() )
+ return;
+
+ Reference< XModel > xDocument( _rEvent.Source, UNO_QUERY );
+ OSL_ENSURE( xDocument.is(), "DocumentEventNotifier_Impl::notifyEvent: illegal source document!" );
+ if ( !xDocument.is() )
+ return;
+
+ struct EventEntry
+ {
+ const sal_Char* pEventName;
+ void (DocumentEventListener::*listenerMethod)( const ScriptDocument& _rDocument );
+ };
+ EventEntry aEvents[] = {
+ { "OnNew", &DocumentEventListener::onDocumentCreated },
+ { "OnLoad", &DocumentEventListener::onDocumentOpened },
+ { "OnSave", &DocumentEventListener::onDocumentSave },
+ { "OnSaveDone", &DocumentEventListener::onDocumentSaveDone },
+ { "OnSaveAs", &DocumentEventListener::onDocumentSaveAs },
+ { "OnSaveAsDone", &DocumentEventListener::onDocumentSaveAsDone },
+ { "OnUnload", &DocumentEventListener::onDocumentClosed },
+ { "OnTitleChanged", &DocumentEventListener::onDocumentTitleChanged },
+ { "OnModeChanged", &DocumentEventListener::onDocumentModeChanged }
+ };
+
+ for ( size_t i=0; i < sizeof( aEvents ) / sizeof( aEvents[0] ); ++i )
+ {
+ if ( !_rEvent.EventName.equalsAscii( aEvents[i].pEventName ) )
+ continue;
+
+ ScriptDocument aDocument( xDocument );
+ {
+ // the listener implementations usually require the SolarMutex, so lock it here.
+ // But ensure the proper order of locking the solar and the own mutex
+ aGuard.clear();
+ ::vos::OClearableGuard aSolarGuard( Application::GetSolarMutex() );
+ ::osl::MutexGuard aGuard2( m_aMutex );
+
+ if ( impl_isDisposed_nothrow() )
+ // somebody took the chance to dispose us -> bail out
+ return;
+
+ (m_pListener->*aEvents[i].listenerMethod)( aDocument );
+ }
+ break;
+ }
+ }
+
+ //--------------------------------------------------------------------
+ void SAL_CALL DocumentEventNotifier_Impl::disposing( const csslang::EventObject& /*Event*/ ) throw (RuntimeException)
+ {
+ ::vos::OGuard aSolarGuard( Application::GetSolarMutex() );
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !impl_isDisposed_nothrow() )
+ impl_dispose_nothrow();
+ }
+
+ //--------------------------------------------------------------------
+ void SAL_CALL DocumentEventNotifier_Impl::disposing()
+ {
+ impl_listenerAction_nothrow( RemoveListener );
+ impl_dispose_nothrow();
+ }
+
+ //--------------------------------------------------------------------
+ void DocumentEventNotifier_Impl::impl_dispose_nothrow()
+ {
+ m_pListener = NULL;
+ m_xModel.clear();
+ }
+
+ //--------------------------------------------------------------------
+ void DocumentEventNotifier_Impl::impl_listenerAction_nothrow( ListenerAction _eAction )
+ {
+ try
+ {
+ Reference< XEventBroadcaster > xBroadcaster;
+ if ( m_xModel.is() )
+ xBroadcaster.set( m_xModel, UNO_QUERY_THROW );
+ else
+ {
+ ::comphelper::ComponentContext aContext( ::comphelper::getProcessServiceFactory() );
+ xBroadcaster.set(
+ aContext.createComponent( "com.sun.star.frame.GlobalEventBroadcaster" ),
+ UNO_QUERY_THROW );
+ }
+
+ void ( SAL_CALL XEventBroadcaster::*listenerAction )( const Reference< XEventListener >& ) =
+ ( _eAction == RegisterListener ) ? &XEventBroadcaster::addEventListener : &XEventBroadcaster::removeEventListener;
+ (xBroadcaster.get()->*listenerAction)( this );
+ }
+ catch( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION();
+ }
+ }
+
+ //====================================================================
+ //= DocumentEventNotifier
+ //====================================================================
+ //--------------------------------------------------------------------
+ DocumentEventNotifier::DocumentEventNotifier( DocumentEventListener& _rListener, const Reference< XModel >& _rxDocument )
+ :m_pImpl( new DocumentEventNotifier_Impl( _rListener, _rxDocument ) )
+ {
+ }
+
+ //--------------------------------------------------------------------
+ DocumentEventNotifier::DocumentEventNotifier( DocumentEventListener& _rListener )
+ :m_pImpl( new DocumentEventNotifier_Impl( _rListener, Reference< XModel >() ) )
+ {
+ }
+
+ //--------------------------------------------------------------------
+ DocumentEventNotifier::~DocumentEventNotifier()
+ {
+ }
+
+ //--------------------------------------------------------------------
+ void DocumentEventNotifier::dispose()
+ {
+ m_pImpl->dispose();
+ }
+
+ //====================================================================
+ //= DocumentEventListener
+ //====================================================================
+ DocumentEventListener::~DocumentEventListener()
+ {
+ }
+
+//........................................................................
+} // namespace basctl
+//........................................................................