145 lines
4 KiB
C++
145 lines
4 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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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: delayevent.hxx,v $
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* $Revision: 1.10 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef INCLUDED_SLIDESHOW_DELAYEVENT_HXX
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#define INCLUDED_SLIDESHOW_DELAYEVENT_HXX
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#include "event.hxx"
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#include <boost/noncopyable.hpp>
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#include <boost/function.hpp>
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#if defined(VERBOSE) && defined(DBG_UTIL)
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#include "boost/current_function.hpp"
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#endif
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namespace slideshow {
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namespace internal {
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/** Event, which delays the functor call the given amount of time
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*/
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class Delay : public Event, private ::boost::noncopyable
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{
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public:
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typedef ::boost::function0<void> FunctorT;
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template <typename FuncT>
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Delay( FuncT const& func, double nTimeout )
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: mnTimeout(nTimeout), maFunc(func), mbWasFired(false) {}
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#if defined(VERBOSE) && defined(DBG_UTIL)
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Delay( const boost::function0<void>& func,
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double nTimeout,
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char const* const ) :
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#else
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Delay( const boost::function0<void>& func,
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double nTimeout ) :
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#endif
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mnTimeout(nTimeout),
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maFunc(func),
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mbWasFired(false) {}
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// Event:
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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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// Disposable:
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virtual void dispose();
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private:
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double const mnTimeout;
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FunctorT maFunc;
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bool mbWasFired;
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};
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#if OSL_DEBUG_LEVEL < 1
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/** Generate delay event
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@param func
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Functor to call when the event fires.
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@param nTimeout
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Timeout in seconds, to wait until functor is called.
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@return generated delay event
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*/
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template <typename FuncT>
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inline EventSharedPtr makeDelay( FuncT const& func, double nTimeout )
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{
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return EventSharedPtr( new Delay( func, nTimeout ) );
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}
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/** Generate immediate event
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@param func
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Functor to call when the event fires.
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@return generated immediate event.
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*/
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template <typename FuncT>
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inline EventSharedPtr makeEvent( FuncT const& func )
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{
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return EventSharedPtr( new Delay( func, 0.0 ) );
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}
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#else // OSL_DEBUG_LEVEL > 1
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class Delay_ : public Delay {
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public:
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template <typename FuncT>
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Delay_( FuncT const& func, double nTimeout,
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char const* from_function, char const* from_file, int from_line )
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: Delay(func, nTimeout),
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FROM_FUNCTION(from_function),
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FROM_FILE(from_file), FROM_LINE(from_line) {}
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char const* const FROM_FUNCTION;
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char const* const FROM_FILE;
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int const FROM_LINE;
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};
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template <typename FuncT>
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inline EventSharedPtr makeDelay_(
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FuncT const& func, double nTimeout,
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char const* from_function, char const* from_file, int from_line )
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{
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return EventSharedPtr( new Delay_( func, nTimeout,
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from_function, from_file, from_line ) );
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}
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#define makeDelay(f, t) makeDelay_(f, t, \
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BOOST_CURRENT_FUNCTION, __FILE__, __LINE__)
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#define makeEvent(f) makeDelay_(f, 0.0, \
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BOOST_CURRENT_FUNCTION, __FILE__, __LINE__)
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#endif // OSL_DEBUG_LEVEL < 1
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} // namespace internal
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} // namespace presentation
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#endif /* INCLUDED_SLIDESHOW_DELAYEVENT_HXX */
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