office-gobmx/slideshow/source/engine/wakeupevent.cxx
2011-11-27 13:22:08 -06:00

100 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// must be first
#include <canvas/debug.hxx>
#include <canvas/verbosetrace.hxx>
#include <wakeupevent.hxx>
namespace slideshow
{
namespace internal
{
WakeupEvent::WakeupEvent(
boost::shared_ptr<canvas::tools::ElapsedTime> const & pTimeBase,
ActivitiesQueue& rActivityQueue ) :
#if OSL_DEBUG_LEVEL > 1
Event(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("WakeupEvent"))),
#endif
maTimer(pTimeBase),
mnNextTime(0.0),
mpActivity(),
mrActivityQueue( rActivityQueue )
{
}
void WakeupEvent::dispose()
{
mpActivity.reset();
}
bool WakeupEvent::fire()
{
if( !mpActivity )
return false;
return mrActivityQueue.addActivity( mpActivity );
}
bool WakeupEvent::isCharged() const
{
// this event won't expire, we fire everytime we're
// re-inserted into the event queue.
return true;
}
double WakeupEvent::getActivationTime( double nCurrentTime ) const
{
const double nElapsedTime( maTimer.getElapsedTime() );
return ::std::max( nCurrentTime,
nCurrentTime - nElapsedTime + mnNextTime );
}
void WakeupEvent::start()
{
// start timer
maTimer.reset();
}
void WakeupEvent::setNextTimeout( double rNextTime )
{
mnNextTime = rNextTime;
}
void WakeupEvent::setActivity( const ActivitySharedPtr& rActivity )
{
mpActivity = rActivity;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */