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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* 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
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_SETACTIVITY_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_SETACTIVITY_HXX
#include <tools/diagnose_ex.h>
#include <animationactivity.hxx>
#include <animatableshape.hxx>
#include <shapeattributelayer.hxx>
#include <activitiesfactory.hxx>
namespace slideshow {
namespace internal {
/** Templated setter for animation values
This template class implements the AnimationActivity
interface, but only the perform() and
setAttributeLayer() methods are functional. To be used for set animations.
@see AnimationSetNode.
*/
template <class AnimationT>
class SetActivity : public AnimationActivity
{
public:
typedef ::std::shared_ptr< AnimationT > AnimationSharedPtrT;
typedef typename AnimationT::ValueType ValueT;
SetActivity( const ActivitiesFactory::CommonParameters& rParms,
const AnimationSharedPtrT& rAnimation,
const ValueT& rToValue )
: mpAnimation( rAnimation ),
mpShape(),
mpAttributeLayer(),
mpEndEvent( rParms.mpEndEvent ),
mrEventQueue( rParms.mrEventQueue ),
maToValue( rToValue ),
mbIsActive(true)
{
ENSURE_OR_THROW( mpAnimation, "Invalid animation" );
}
virtual void dispose() override
{
mbIsActive = false;
mpAnimation.reset();
mpShape.reset();
mpAttributeLayer.reset();
// discharge end event:
if (mpEndEvent && mpEndEvent->isCharged())
mpEndEvent->dispose();
mpEndEvent.reset();
}
virtual double calcTimeLag() const override
{
return 0.0;
}
virtual bool perform() override
{
if (! isActive())
return false;
// we're going inactive immediately:
mbIsActive = false;
if (mpAnimation && mpAttributeLayer && mpShape) {
mpAnimation->start( mpShape, mpAttributeLayer );
(*mpAnimation)(maToValue);
mpAnimation->end();
}
// fire end event, if any
if (mpEndEvent)
mrEventQueue.addEvent( mpEndEvent );
return false; // don't reinsert
}
virtual bool isActive() const override
{
return mbIsActive;
}
virtual void dequeued() override
{
}
virtual void end() override
{
perform();
}
virtual void setTargets( const AnimatableShapeSharedPtr& rShape,
const ShapeAttributeLayerSharedPtr& rAttrLayer ) override
{
ENSURE_OR_THROW( rShape, "Invalid shape" );
ENSURE_OR_THROW( rAttrLayer, "Invalid attribute layer" );
mpShape = rShape;
mpAttributeLayer = rAttrLayer;
}
private:
AnimationSharedPtrT mpAnimation;
AnimatableShapeSharedPtr mpShape;
ShapeAttributeLayerSharedPtr mpAttributeLayer;
EventSharedPtr mpEndEvent;
EventQueue& mrEventQueue;
ValueT maToValue;
bool mbIsActive;
};
template <class AnimationT> AnimationActivitySharedPtr makeSetActivity(
const ActivitiesFactory::CommonParameters& rParms,
const ::std::shared_ptr< AnimationT >& rAnimation,
const typename AnimationT::ValueType& rToValue )
{
return AnimationActivitySharedPtr(
new SetActivity<AnimationT>(rParms,rAnimation,rToValue) );
}
} // namespace internal
} // namespace presentation
#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_SETACTIVITY_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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