/usr/include/libreoffice/cppuhelper/weakagg.hxx is in libreoffice-dev 1:4.3.3-2+deb8u11.
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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#ifndef INCLUDED_CPPUHELPER_WEAKAGG_HXX
#define INCLUDED_CPPUHELPER_WEAKAGG_HXX
#include <cppuhelper/weak.hxx>
#include <com/sun/star/uno/XAggregation.hpp>
#include <cppuhelper/cppuhelperdllapi.h>
namespace cppu
{
/** Base class to implement an UNO object supporting weak references, i.e. the object can be held
weakly (by a ::com::sun::star::uno::WeakReference) and aggregation, i.e. the object can be
aggregated by another (delegator).
This implementation copes with reference counting. Upon last release(), the virtual dtor
is called.
@derive
Inherit from this class and delegate acquire()/ release() calls. Re-implement
XAggregation::queryInterface().
*/
class CPPUHELPER_DLLPUBLIC OWeakAggObject
: public ::cppu::OWeakObject
, public ::com::sun::star::uno::XAggregation
{
public:
/** Constructor. No delegator set.
*/
inline OWeakAggObject() SAL_THROW(())
{}
/** If a delegator is set, then the delegators gets acquired. Otherwise call is delegated to
base class ::cppu::OWeakObject.
*/
virtual void SAL_CALL acquire() throw() SAL_OVERRIDE;
/** If a delegator is set, then the delegators gets released. Otherwise call is delegated to
base class ::cppu::OWeakObject.
*/
virtual void SAL_CALL release() throw() SAL_OVERRIDE;
/** If a delegator is set, then the delegator is queried for the demanded interface. If the
delegator cannot provide the demanded interface, it calls queryAggregation() on its
aggregated objects.
@param rType demanded interface type
@return demanded type or empty any
@see queryAggregation.
*/
virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType )
throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
/** Set the delegator. The delegator member reference is a weak reference.
@param Delegator the object that delegate its queryInterface to this aggregate.
*/
virtual void SAL_CALL setDelegator( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > & Delegator )
throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
/** Called by the delegator or queryInterface. Re-implement this method instead of
queryInterface.
@see queryInterface
*/
virtual ::com::sun::star::uno::Any SAL_CALL queryAggregation( const ::com::sun::star::uno::Type & rType )
throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
protected:
/** Virtual dtor. Called when reference count is 0.
@attention
Despite the fact that a RuntimeException is allowed to be thrown, you must not throw any
exception upon destruction!
*/
virtual ~OWeakAggObject() SAL_THROW( (::com::sun::star::uno::RuntimeException) );
/** weak reference to delegator.
*/
::com::sun::star::uno::WeakReferenceHelper xDelegator;
private:
OWeakAggObject( const OWeakAggObject & rObj ) SAL_THROW(());
OWeakAggObject & operator = ( const OWeakAggObject & rObj ) SAL_THROW(());
};
}
#endif
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