141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_DELAYEVENT_HXX
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#define INCLUDED_SLIDESHOW_SOURCE_INC_DELAYEVENT_HXX
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#include "event.hxx"
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#include <functional>
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#include <utility>
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namespace slideshow::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
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{
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public:
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typedef ::std::function<void ()> FunctorT;
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template <typename FuncT>
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Delay( FuncT const& func,
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double nTimeout
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, const OUString& rsDescription
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) : Event(rsDescription),
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mnTimeout(nTimeout), maFunc(func), mbWasFired(false) {}
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Delay( std::function<void ()> func,
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double nTimeout
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, const OUString& rsDescription
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) : Event(rsDescription),
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mnTimeout(nTimeout),
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maFunc(std::move(func)),
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mbWasFired(false) {}
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Delay(const Delay&) = delete;
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Delay& operator=(const Delay&) = delete;
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// Event:
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virtual bool fire() override;
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virtual bool isCharged() const override;
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virtual double getActivationTime( double nCurrentTime ) const override;
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// Disposable:
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virtual void dispose() override;
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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, OUString const& rsDescription )
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{
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return std::make_shared<Delay>( func, nTimeout, rsDescription );
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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, OUString const& rsDescription)
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{
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return std::make_shared<Delay>( func, 0.0, rsDescription );
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}
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#define makeDelay(f, t, d) makeDelay_(f, t, d)
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#define makeEvent(f, d) makeEvent_(f, d)
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#else // OSL_DEBUG_LEVEL > 0
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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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const OUString& rsDescription)
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: Delay(func, nTimeout, rsDescription),
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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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const OUString& rsDescription)
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{
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return EventSharedPtr( new Delay_( func, nTimeout,
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from_function, from_file, from_line, rsDescription) );
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}
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#define makeDelay(f, t, d) makeDelay_(f, t, \
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__func__, __FILE__, __LINE__, \
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d)
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#define makeEvent(f, d) makeDelay_(f, 0.0, \
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__func__, __FILE__, __LINE__, \
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d)
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#endif // OSL_DEBUG_LEVEL <= 1
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} // namespace presentation::internal
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#endif // INCLUDED_SLIDESHOW_SOURCE_INC_DELAYEVENT_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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