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Diffstat (limited to 'filter/source/config/cache/lateinitlistener.cxx')
-rw-r--r-- | filter/source/config/cache/lateinitlistener.cxx | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/filter/source/config/cache/lateinitlistener.cxx b/filter/source/config/cache/lateinitlistener.cxx new file mode 100644 index 000000000000..b9b090025227 --- /dev/null +++ b/filter/source/config/cache/lateinitlistener.cxx @@ -0,0 +1,136 @@ +/************************************************************************* + * + * 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_filter.hxx" + +#include "lateinitlistener.hxx" +#include "lateinitthread.hxx" + +//_______________________________________________ +// includes +#include <rtl/ustring.hxx> + +//_______________________________________________ +// namespace + +namespace filter{ + namespace config{ + +namespace css = ::com::sun::star; + +//_______________________________________________ +// definitions + +/*----------------------------------------------- + 14.08.2003 07:35 +-----------------------------------------------*/ +LateInitListener::LateInitListener(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR) + : BaseLock( ) + , m_xSMGR (xSMGR) +{ + // important to do so ... + // Otherwhise the temp. reference to ourselves + // will kill us at realeasing time! + osl_incrementInterlockedCount( &m_refCount ); + + m_xBroadcaster = css::uno::Reference< css::document::XEventBroadcaster >( + m_xSMGR->createInstance(::rtl::OUString::createFromAscii("com.sun.star.frame.GlobalEventBroadcaster")), + css::uno::UNO_QUERY); + + m_xBroadcaster->addEventListener(static_cast< css::document::XEventListener* >(this)); + + osl_decrementInterlockedCount( &m_refCount ); +} + +/*----------------------------------------------- + 14.08.2003 07:25 +-----------------------------------------------*/ +LateInitListener::~LateInitListener() +{ +} + +/*----------------------------------------------- + 14.08.2003 08:45 +-----------------------------------------------*/ +void SAL_CALL LateInitListener::notifyEvent(const css::document::EventObject& aEvent) + throw(css::uno::RuntimeException) +{ + // wait for events, which indicates finished open of the first document + if ( + (aEvent.EventName.equalsAscii("OnNew") ) || + (aEvent.EventName.equalsAscii("OnLoad")) + ) + { + // this thread must be started one times only ... + // cancel listener connection before! + + // SAFE -> + ::osl::ResettableMutexGuard aLock(m_aLock); + + if ( !m_xBroadcaster.is() ) + // the beauty of multi-threading ... OnLoad can be notified synchronously or asynchronously. In particular, + // SFX-based documents notify it synchronously, database documents do it asynchronously. + // Now if multiple documents are opened "at the same time", it is well possible that we get two events from + // different threads, where upon the first event, we already remove ourself from m_xBroadcaster, and start + // the thread, nonetheless there's also a second notification "in the queue", which will arrive short + // thereafter. + // In such a case, simply ignore this second event. + return; + + m_xBroadcaster->removeEventListener(static_cast< css::document::XEventListener* >(this)); + m_xBroadcaster.clear(); + + aLock.clear(); + // <- SAFE + + LateInitThread* pThread = new LateInitThread(); + pThread->create(); + } +} + +/*----------------------------------------------- + 14.08.2003 07:48 +-----------------------------------------------*/ +void SAL_CALL LateInitListener::disposing(const css::lang::EventObject& /* aEvent */ ) + throw(css::uno::RuntimeException) +{ + // ??? + // Normaly it should never be called. Because we cancel our listener connection + // if we got the event about finished open of the first office document. + // But if this method was reached, it indicates an office, which was started + // (might as remote script container for an external API client) but not realy used. + + // SAFE -> + ::osl::ResettableMutexGuard aLock(m_aLock); + m_xBroadcaster.clear(); + aLock.clear(); + // <- SAFE +} + + } // namespace config +} // namespace filter |