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Diffstat (limited to 'sc/source/ui/unoobj/listenercalls.cxx')
-rw-r--r-- | sc/source/ui/unoobj/listenercalls.cxx | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sc/source/ui/unoobj/listenercalls.cxx b/sc/source/ui/unoobj/listenercalls.cxx new file mode 100644 index 000000000000..9abc8e0ab826 --- /dev/null +++ b/sc/source/ui/unoobj/listenercalls.cxx @@ -0,0 +1,89 @@ +/************************************************************************* + * + * 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_sc.hxx" + + + +#include <com/sun/star/util/XModifyListener.hpp> +#include <tools/debug.hxx> + +#include "listenercalls.hxx" + +using namespace com::sun::star; + +//------------------------------------------------------------------------ + +ScUnoListenerCalls::ScUnoListenerCalls() +{ +} + +ScUnoListenerCalls::~ScUnoListenerCalls() +{ + DBG_ASSERT( aEntries.empty(), "unhandled listener calls remaining" ); +} + +void ScUnoListenerCalls::Add( const uno::Reference<util::XModifyListener>& rListener, + const lang::EventObject& rEvent ) +{ + if ( rListener.is() ) + aEntries.push_back( ScUnoListenerEntry( rListener, rEvent ) ); +} + +void ScUnoListenerCalls::ExecuteAndClear() +{ + // Execute all stored calls and remove them from the list. + // During each modified() call, Add may be called again. + // These new calls are executed here, too. + + if (!aEntries.empty()) + { + std::list<ScUnoListenerEntry>::iterator aItr(aEntries.begin()); + std::list<ScUnoListenerEntry>::iterator aEndItr(aEntries.end()); + while ( aItr != aEndItr ) + { + ScUnoListenerEntry aEntry = *aItr; + try + { + aEntry.xListener->modified( aEntry.aEvent ); + } + catch ( uno::RuntimeException ) + { + // the listener is an external object and may throw a RuntimeException + // for reasons we don't know + } + + // New calls that are added during the modified() call are appended to the end + // of aEntries, so the loop will catch them, too (as long as erase happens + // after modified). + + aItr = aEntries.erase(aItr); + } + } +} + |