office-gobmx/sdext/source/presenter/PresenterAnimator.cxx

171 lines
4.8 KiB
C++

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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sdext.hxx"
#include "PresenterAnimator.hxx"
#include "PresenterTimer.hxx"
#include <osl/diagnose.h>
#include <osl/time.h>
#include <vos/timer.hxx>
#include <boost/bind.hpp>
#include <boost/function.hpp>
namespace sdext { namespace presenter {
//===== PresenterAnimator =====================================================
PresenterAnimator::PresenterAnimator (void)
: maFutureAnimations(),
maActiveAnimations(),
mnCurrentTaskId(0),
mnNextTime(0)
{
}
PresenterAnimator::~PresenterAnimator (void)
{
PresenterTimer::CancelTask(mnCurrentTaskId);
}
void PresenterAnimator::AddAnimation (const SharedPresenterAnimation& rpAnimation)
{
::osl::MutexGuard aGuard (m_aMutex);
maFutureAnimations.insert(AnimationList::value_type(rpAnimation->GetStartTime(), rpAnimation));
ScheduleNextRun();
}
void PresenterAnimator::Process (void)
{
::osl::MutexGuard aGuard (m_aMutex);
mnNextTime = 0;
const sal_uInt64 nCurrentTime (GetCurrentTime());
ActivateAnimations(nCurrentTime);
while ( ! maActiveAnimations.empty())
{
sal_uInt64 nRequestedTime (maActiveAnimations.begin()->first);
SharedPresenterAnimation pAnimation (maActiveAnimations.begin()->second);
if (nRequestedTime > nCurrentTime)
break;
maActiveAnimations.erase(maActiveAnimations.begin());
const double nTotalDuration (double(pAnimation->GetEndTime() - pAnimation->GetStartTime()));
double nProgress (nTotalDuration > 0 ? (nCurrentTime - pAnimation->GetStartTime()) / nTotalDuration : 1);
if (nProgress <= 0)
nProgress = 0;
else if (nProgress >= 1)
nProgress = 1;
OSL_TRACE("running animation step at %f (requested was %f) %f\n",
nCurrentTime/1e6, nRequestedTime/1e6, nProgress);
pAnimation->Run(nProgress, nCurrentTime);
if (nCurrentTime < pAnimation->GetEndTime())
maActiveAnimations.insert(
AnimationList::value_type(
nCurrentTime + pAnimation->GetStepDuration(),
pAnimation));
else
pAnimation->RunEndCallbacks();
}
ScheduleNextRun();
}
void PresenterAnimator::ActivateAnimations (const sal_uInt64 nCurrentTime)
{
while ( ! maFutureAnimations.empty()
&& maFutureAnimations.begin()->first <= nCurrentTime)
{
SharedPresenterAnimation pAnimation (maFutureAnimations.begin()->second);
maActiveAnimations.insert(*maFutureAnimations.begin());
maFutureAnimations.erase(maFutureAnimations.begin());
pAnimation->RunStartCallbacks();
}
}
void PresenterAnimator::ScheduleNextRun (void)
{
sal_uInt64 nStartTime (0);
if ( ! maActiveAnimations.empty())
{
nStartTime = maActiveAnimations.begin()->first;
if ( ! maFutureAnimations.empty())
if (maFutureAnimations.begin()->first < nStartTime)
nStartTime = maFutureAnimations.begin()->first;
}
else if ( ! maFutureAnimations.empty())
nStartTime = maFutureAnimations.begin()->first;
if (nStartTime > 0)
ScheduleNextRun(nStartTime);
}
void PresenterAnimator::ScheduleNextRun (const sal_uInt64 nStartTime)
{
if (mnNextTime==0 || nStartTime<mnNextTime)
{
mnNextTime = nStartTime;
::vos::TTimeValue aTimeValue (GetSeconds(mnNextTime), GetNanoSeconds(mnNextTime));
PresenterTimer::ScheduleSingleTaskAbsolute (
::boost::bind(&PresenterAnimator::Process, this),
aTimeValue);
}
}
} } // end of namespace ::sdext::presenter