diff options
Diffstat (limited to 'svx/source/sdr/event/eventhandler.cxx')
-rw-r--r-- | svx/source/sdr/event/eventhandler.cxx | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/svx/source/sdr/event/eventhandler.cxx b/svx/source/sdr/event/eventhandler.cxx new file mode 100644 index 000000000000..967b6fefe949 --- /dev/null +++ b/svx/source/sdr/event/eventhandler.cxx @@ -0,0 +1,162 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// 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 |