delayevent.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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 *   ownership. The ASF licenses this file to you under the Apache
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#include <osl/diagnose.h>
#include <delayevent.hxx>
 
namespace slideshow::internal {
 
bool Delay::fire()
{
    OSL_ASSERT( isCharged() );
    if (isCharged()) {
        mbWasFired = true;
        maFunc();
        maFunc = nullptr; // early release of payload
    }
    return true;
}
 
bool Delay::isCharged() const
{
    return !mbWasFired;
}
 
double Delay::getActivationTime( double nCurrentTime ) const
{
    return nCurrentTime + mnTimeout;
}
 
void Delay::dispose()
{
    // don't clear unconditionally, because it may currently be executed:
    if (isCharged()) {
        mbWasFired = true;
        maFunc = nullptr; // release of payload
    }
}
 
} // namespace slideshow::internal
 
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