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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <svx/sdr/animation/animationstate.hxx>
#include <tools/debug.hxx>
#include <svx/sdr/contact/viewobjectcontact.hxx>
#include <svx/sdr/animation/objectanimator.hxx>
#include <svx/sdr/contact/objectcontact.hxx>
#include <svx/sdr/contact/viewcontact.hxx>
#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
#include <drawinglayer/animation/animationtiming.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace animation
{
double PrimitiveAnimation::getSmallestNextTime(double fCurrentTime)
{
double fRetval(0.0);
if(maAnimatedPrimitives.hasElements())
{
const sal_Int32 nCount(maAnimatedPrimitives.getLength());
for(sal_Int32 a(0L); a < nCount; a++)
{
const drawinglayer::primitive2d::Primitive2DReference xRef(maAnimatedPrimitives[a]);
const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D* pCandidate = dynamic_cast< const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D* >(xRef.get());
OSL_ENSURE(pCandidate, "PrimitiveAnimation::getSmallestNextTime: wrong primitive in animated list (!)");
if(pCandidate)
{
const drawinglayer::animation::AnimationEntry& rAnimEntry = pCandidate->getAnimationEntry();
const double fNextTime(rAnimEntry.getNextEventTime(fCurrentTime));
if(!::basegfx::fTools::equalZero(fNextTime))
{
if(::basegfx::fTools::equalZero(fRetval))
{
fRetval = fNextTime;
}
else if(::basegfx::fTools::less(fNextTime, fRetval))
{
fRetval = fNextTime;
}
}
}
}
}
return fRetval;
}
void PrimitiveAnimation::prepareNextEvent()
{
const double fCurrentTime(mrVOContact.GetObjectContact().getPrimitiveAnimator().GetTime());
const double fNextTime(getSmallestNextTime(fCurrentTime));
// getSmallestNextTime will be zero when animation ended. If not zero, a next step
// exists
if(!::basegfx::fTools::equalZero(fNextTime))
{
// next time point exists, use it
sal_uInt32 nNextTime;
if(fNextTime >= (double)0xffffff00)
{
// take care for very late points in time, e.g. when a text animation stops
// in a defined AnimationEntryFixed with endless (0xffffffff) duration
nNextTime = GetTime() + (1000 * 60 * 60); // one hour, works with vcl timers, 0xffffff00 was too much...
}
else
{
nNextTime = (sal_uInt32)fNextTime;
}
// ensure step forward in integer timing, the floating step difference maybe smaller than 1.0. Use
// at least 25ms for next step
const sal_uInt32 nMinimumStepTime((sal_uInt32)fCurrentTime + 25L);
if(nNextTime <= nMinimumStepTime)
{
nNextTime = nMinimumStepTime;
}
// set time and reactivate by re-adding to the scheduler
SetTime(nNextTime);
mrVOContact.GetObjectContact().getPrimitiveAnimator().InsertEvent(this);
}
}
PrimitiveAnimation::PrimitiveAnimation(sdr::contact::ViewObjectContact& rVOContact, const drawinglayer::primitive2d::Primitive2DSequence& rAnimatedPrimitives)
: Event(0L),
mrVOContact(rVOContact),
maAnimatedPrimitives(rAnimatedPrimitives)
{
// setup initially
prepareNextEvent();
}
PrimitiveAnimation::~PrimitiveAnimation()
{
// ensure that Event member is removed from PrimitiveAnimator
mrVOContact.GetObjectContact().getPrimitiveAnimator().RemoveEvent(this);
}
// execute event, from base class Event
void PrimitiveAnimation::Trigger(sal_uInt32 /*nTime*/)
{
// schedule a repaint of associated object
mrVOContact.ActionChanged();
// re-setup
prepareNextEvent();
}
} // end of namespace animation
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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