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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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 FORMS_SOURCE_INC_LISTENERCONTAINERS_HXX
#define FORMS_SOURCE_INC_LISTENERCONTAINERS_HXX
/** === begin UNO includes === **/
#include <com/sun/star/form/XResetListener.hpp>
/** === end UNO includes === **/
#include <comphelper/listenernotification.hxx>
#include <cppuhelper/weak.hxx>
//........................................................................
namespace frm
{
//........................................................................
//=====================================================================
//= EventListeners
//=====================================================================
template < class LISTENER >
class EventListeners : public ::comphelper::OListenerContainerBase< LISTENER, ::com::sun::star::lang::EventObject >
{
public:
typedef LISTENER ListenerClass;
typedef ::com::sun::star::lang::EventObject EventClass;
typedef ::comphelper::OListenerContainerBase< ListenerClass, EventClass >
EventListeners_Base;
private:
::cppu::OWeakObject& m_rInstigator;
protected:
::cppu::OWeakObject& getInstigator() { return m_rInstigator; }
protected:
inline EventListeners( ::cppu::OWeakObject& _rInstigator, ::osl::Mutex& _rMutex )
:EventListeners_Base( _rMutex )
,m_rInstigator( _rInstigator )
{
}
// still waiting to be overwritten
virtual bool implTypedNotify(
const ::com::sun::star::uno::Reference< ListenerClass >& _rxListener,
const EventClass& _rEvent
) SAL_THROW( ( ::com::sun::star::uno::Exception ) ) = 0;
public:
inline bool notify()
{
::com::sun::star::lang::EventObject aEvent( m_rInstigator );
return EventListeners_Base::notify( aEvent );
}
inline void disposing()
{
::com::sun::star::lang::EventObject aEvent( m_rInstigator );
EventListeners_Base::disposing( aEvent );
}
protected:
using EventListeners_Base::notify;
using EventListeners_Base::disposing;
};
//=====================================================================
//= ResetListeners
//=====================================================================
typedef EventListeners < ::com::sun::star::form::XResetListener
> ResetListeners_Base;
class ResetListeners : public ResetListeners_Base
{
private:
enum NotificationType
{
eApproval,
eFinal
};
NotificationType m_eCurrentNotificationType;
public:
inline ResetListeners( ::cppu::OWeakObject& _rInstigator, ::osl::Mutex& _rMutex )
:ResetListeners_Base( _rInstigator, _rMutex )
,m_eCurrentNotificationType( eApproval )
{
}
/** see whether all our listeners approve the reset
*/
sal_Bool approveReset()
{
m_eCurrentNotificationType = eApproval;
return notify();
}
/** tell all our listeners that the reset happened
*/
void resetted()
{
m_eCurrentNotificationType = eFinal;
notify();
}
protected:
virtual bool implTypedNotify(
const ::com::sun::star::uno::Reference< ::com::sun::star::form::XResetListener >& _rxListener,
const ::com::sun::star::lang::EventObject& _rEvent
) SAL_THROW( ( ::com::sun::star::uno::Exception ) );
};
//........................................................................
} // namespace frm
//........................................................................
#endif // FORMS_SOURCE_INC_LISTENERCONTAINERS_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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