libreoffice/svx/source/form/delayedevent.cxx

/*************************************************************************
 * 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.
 *
************************************************************************/

#include "precompiled_svx.hxx"

#include "delayedevent.hxx"

#include <osl/diagnose.h>
#include <vcl/svapp.hxx>

//........................................................................
namespace svxform
{
//........................................................................

    //====================================================================
    //= DelayedEvent
    //====================================================================
    //--------------------------------------------------------------------
    void DelayedEvent::Call( void* _pArg )
    {
        CancelPendingCall();
        OSL_POSTCOND( m_nEventId == 0, "DelayedEvent::Call: CancelPendingCall did not work!" );

        m_nEventId = Application::PostUserEvent( LINK( this, DelayedEvent, OnCall ), _pArg );
    }

    //--------------------------------------------------------------------
    void DelayedEvent::CancelPendingCall()
    {
        if ( m_nEventId )
            Application::RemoveUserEvent( m_nEventId );
        m_nEventId = 0;
    }

    //--------------------------------------------------------------------
    IMPL_LINK( DelayedEvent, OnCall, void*, _pArg )
    {
        m_nEventId = 0;
        return m_aHandler.Call( _pArg );
    }

//........................................................................
} // namespace svxform
//........................................................................