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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: eventhandler.cxx,v $
* $Revision: 1.6 $
*
* 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_svx.hxx"
#include <svx/sdr/event/eventhandler.hxx>
// for SOLARIS compiler include of algorithm part of _STL is necesary to
// get access to basic algos like ::std::find
#include <algorithm>
#include <tools/debug.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace event
{
BaseEvent::BaseEvent(EventHandler& rEventHandler)
: mrEventHandler(rEventHandler)
{
mrEventHandler.AddEvent(*this);
}
BaseEvent::~BaseEvent()
{
mrEventHandler.RemoveEvent(*this);
}
} // end of namespace mixer
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace event
{
void EventHandler::AddEvent(BaseEvent& rBaseEvent)
{
maVector.push_back(&rBaseEvent);
}
void EventHandler::RemoveEvent(BaseEvent& rBaseEvent)
{
if(maVector.back() == &rBaseEvent)
{
// the one to remove is the last, pop
maVector.pop_back();
}
else
{
const BaseEventVector::iterator aFindResult = ::std::find(
maVector.begin(), maVector.end(), &rBaseEvent);
DBG_ASSERT(aFindResult != maVector.end(),
"EventHandler::RemoveEvent: Event to be removed not found (!)");
maVector.erase(aFindResult);
}
}
BaseEvent* EventHandler::GetEvent()
{
if(maVector.size())
{
// get the last event, that one is fastest to be removed
return maVector.back();
}
else
{
return 0L;
}
}
EventHandler::EventHandler()
{
}
EventHandler::~EventHandler()
{
while(maVector.size())
{
delete GetEvent();
}
}
// Trigger and consume the events
void EventHandler::ExecuteEvents()
{
for(;;)
{
BaseEvent* pEvent = GetEvent();
if(pEvent == NULL)
break;
pEvent->ExecuteEvent();
delete pEvent;
}
}
// for control
sal_Bool EventHandler::IsEmpty() const
{
return (0L == maVector.size());
}
} // end of namespace mixer
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace event
{
TimerEventHandler::TimerEventHandler(sal_uInt32 nTimeout)
{
SetTimeout(nTimeout);
Stop();
}
TimerEventHandler::~TimerEventHandler()
{
Stop();
}
// The timer when it is triggered; from class Timer
void TimerEventHandler::Timeout()
{
ExecuteEvents();
}
// reset the timer
void TimerEventHandler::Restart()
{
Start();
}
} // end of namespace mixer
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
// eof
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