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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*************************************************************************
- *
- * 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.
- *
- ************************************************************************/
-#ifndef INCLUDED_SLIDESHOW_WAKEUPEVENT_HXX
-#define INCLUDED_SLIDESHOW_WAKEUPEVENT_HXX
-
-#include <canvas/elapsedtime.hxx>
-
-#include "event.hxx"
-#include "activitiesqueue.hxx"
-
-#include <boost/bind.hpp>
-#include <boost/noncopyable.hpp>
-
-namespace slideshow {
-namespace internal {
-
-/** Little helper class, used to set Activities active again
- after some sleep period.
-
- Clients can use this class to schedule wakeup events at
- the EventQueue, to avoid busy-waiting for the next
- discrete time instant.
-*/
-class WakeupEvent : public Event,
- private ::boost::noncopyable
-{
-public:
- WakeupEvent(
- ::boost::shared_ptr< ::canvas::tools::ElapsedTime > const& pTimeBase,
- ActivitiesQueue & rActivityQueue );
-
- virtual void dispose();
- virtual bool fire();
- virtual bool isCharged() const;
- virtual double getActivationTime( double nCurrentTime ) const;
-
- /// Start the internal timer
- void start();
-
- /** Set the next timeout this object should generate.
-
- @param nextTime
- Absolute time, measured from the last start() call,
- when this event should wakeup the Activity again. If
- your time is relative, simply call start() just before
- every setNextTimeout() call.
- */
- void setNextTimeout( double nextTime );
-
- /** Set activity to wakeup.
-
- The activity given here will be reinserted into the
- ActivitiesQueue, once the timeout is reached.
- */
- void setActivity( const ActivitySharedPtr& rActivity );
-
-private:
- ::canvas::tools::ElapsedTime maTimer;
- double mnNextTime;
- ActivitySharedPtr mpActivity;
- ActivitiesQueue& mrActivityQueue;
-};
-
-typedef ::boost::shared_ptr< WakeupEvent > WakeupEventSharedPtr;
-
-} // namespace internal
-} // namespace presentation
-
-#endif /* INCLUDED_SLIDESHOW_WAKEUPEVENT_HXX */
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */