8b1c4d3ebb
2006/04/24 13:25:39 thb 1.6.16.2: #i53194# Unified include statements (local headers always have double quotes; external headers angle brackets); reverted EventMultiplexer pause events to shared_ptr; removed EventMultiplexer::removeViewHandler(), since the handler is held weakly, anyway. 2006/03/24 18:23:41 thb 1.6.16.1: #i37778# Moved whole slideshow engine from namespace presentation (which conflicts with one of the UNO subnamespaces) to slideshow
102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: wakeupevent.hxx,v $
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*
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* $Revision: 1.7 $
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*
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* last change: $Author: kz $ $Date: 2006-12-13 16:08:36 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#if ! defined(INCLUDED_SLIDESHOW_WAKEUPEVENT_HXX)
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#define INCLUDED_SLIDESHOW_WAKEUPEVENT_HXX
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#include <canvas/elapsedtime.hxx>
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#include "event.hxx"
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#include "activitiesqueue.hxx"
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#include <boost/bind.hpp>
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#include <boost/noncopyable.hpp>
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namespace slideshow {
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namespace internal {
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/** Little helper class, used to set Activities active again
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after some sleep period.
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Clients can use this class to schedule wakeup events at
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the EventQueue, to avoid busy-waiting for the next
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discrete time instant.
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*/
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class WakeupEvent : public Event,
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private ::boost::noncopyable
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{
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public:
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WakeupEvent(
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::boost::shared_ptr< ::canvas::tools::ElapsedTime > const& pTimeBase,
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ActivitiesQueue & rActivityQueue );
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virtual void dispose();
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virtual bool fire();
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virtual bool isCharged() const;
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virtual double getActivationTime( double nCurrentTime ) const;
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/// Start the internal timer
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void start();
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/** Set the next timeout this object should generate.
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@param nextTime
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Absolute time, measured from the last start() call,
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when this event should wakeup the Activity again. If
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your time is relative, simply call start() just before
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every setNextTimeout() call.
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*/
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void setNextTimeout( double nextTime );
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/** Set activity to wakeup.
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The activity given here will be reinserted into the
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ActivitiesQueue, once the timeout is reached.
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*/
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void setActivity( const ActivitySharedPtr& rActivity );
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private:
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::canvas::tools::ElapsedTime maTimer;
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double mnNextTime;
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ActivitySharedPtr mpActivity;
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ActivitiesQueue& mrActivityQueue;
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};
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typedef ::boost::shared_ptr< WakeupEvent > WakeupEventSharedPtr;
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} // namespace internal
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} // namespace presentation
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#endif /* INCLUDED_SLIDESHOW_WAKEUPEVENT_HXX */
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