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+/*************************************************************************
+ *
+ * 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