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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*************************************************************************
- *
- * 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.
- *
- ************************************************************************/
-#ifndef CHART2_WEAKLISTENERADAPTER_HXX
-#define CHART2_WEAKLISTENERADAPTER_HXX
-
-#include <com/sun/star/uno/XWeak.hpp>
-#include <com/sun/star/lang/XEventListener.hpp>
-#include <com/sun/star/util/XModifyListener.hpp>
-#include <com/sun/star/view/XSelectionChangeListener.hpp>
-#include <cppuhelper/weakref.hxx>
-#include <cppuhelper/implbase1.hxx>
-
-namespace chart
-{
-// --------------------------------------------------------------------------------
-
-/** Adapter that enables adding listeners as weak UNO references. Thus, adding
- an object as listener to a broadcaster does not increase its reference
- count.
-
- <p>The helper class, of course, is held as hard reference at the
- broadcaster, but this should never be a problem as the adapter's life time
- depends on no other object.</p>
-
- <p>Note that in order to remove an object as listener, you have to remove
- the same wrapper that you added, i.e., you should store the adapter as a
- member in the adaptee class for later use.</p>
- */
-template< class Listener >
- class WeakListenerAdapter : public
- ::cppu::WeakImplHelper1< Listener >
-{
-public:
- explicit WeakListenerAdapter( const ::com::sun::star::uno::Reference< Listener > & xListener ) :
- m_xListener( xListener )
- {}
- explicit WeakListenerAdapter( const ::com::sun::star::uno::WeakReference< Listener > & xListener ) :
- m_xListener( xListener )
- {}
- virtual ~WeakListenerAdapter()
- {}
-
-protected:
- // ____ XEventListener (base of all listeners) ____
- virtual void SAL_CALL disposing(
- const ::com::sun::star::lang::EventObject& Source )
- throw (::com::sun::star::uno::RuntimeException)
- {
- ::com::sun::star::uno::Reference<
- ::com::sun::star::lang::XEventListener > xEventListener =
- ::com::sun::star::uno::Reference<
- ::com::sun::star::lang::XEventListener >(
- ::com::sun::star::uno::Reference< Listener >( m_xListener), ::com::sun::star::uno::UNO_QUERY );
- if( xEventListener.is())
- xEventListener->disposing( Source );
- }
-
- ::com::sun::star::uno::Reference< Listener > getListener() const
- {
- return m_xListener;
- }
-
-private:
- ::com::sun::star::uno::WeakReference< Listener > m_xListener;
-};
-
-// --------------------------------------------------------------------------------
-
-class WeakModifyListenerAdapter :
- public WeakListenerAdapter< ::com::sun::star::util::XModifyListener >
-{
-public:
- explicit WeakModifyListenerAdapter(
- const ::com::sun::star::uno::WeakReference< ::com::sun::star::util::XModifyListener > & xListener );
- virtual ~WeakModifyListenerAdapter();
-
-protected:
- // ____ XModifyListener ____
- virtual void SAL_CALL modified( const ::com::sun::star::lang::EventObject& aEvent )
- throw (::com::sun::star::uno::RuntimeException);
-};
-
-// --------------------------------------------------------------------------------
-
-class WeakSelectionChangeListenerAdapter :
- public WeakListenerAdapter< ::com::sun::star::view::XSelectionChangeListener >
-{
-public:
- explicit WeakSelectionChangeListenerAdapter(
- const ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionChangeListener > & xListener );
- virtual ~WeakSelectionChangeListenerAdapter();
-
-protected:
- // ____ XSelectionChangeListener ____
- virtual void SAL_CALL selectionChanged(
- const ::com::sun::star::lang::EventObject& aEvent )
- throw (::com::sun::star::uno::RuntimeException);
-};
-
-} // namespace chart
-
-// CHART2_WEAKLISTENERADAPTER_HXX
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */