/* -*- 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 .
 */

#include <oox/ppt/timenodelistcontext.hxx>

#include <rtl/math.hxx>
#include <sal/log.hxx>
#include <comphelper/diagnose_ex.hxx>

#include <com/sun/star/animations/AnimationTransformType.hpp>
#include <com/sun/star/animations/AnimationCalcMode.hpp>
#include <com/sun/star/animations/AnimationColorSpace.hpp>
#include <com/sun/star/animations/AnimationNodeType.hpp>
#include <com/sun/star/animations/ValuePair.hpp>
#include <com/sun/star/presentation/EffectCommands.hpp>
#include <com/sun/star/beans/NamedValue.hpp>

#include <oox/helper/attributelist.hxx>
#include <oox/core/xmlfilterbase.hxx>
#include <oox/drawingml/drawingmltypes.hxx>
#include <drawingml/colorchoicecontext.hxx>
#include <oox/ppt/slidetransition.hxx>
#include <oox/token/namespaces.hxx>
#include <oox/token/tokens.hxx>
#include <o3tl/string_view.hxx>
#include <utility>

#include "animvariantcontext.hxx"
#include "commonbehaviorcontext.hxx"
#include "conditioncontext.hxx"
#include "commontimenodecontext.hxx"
#include "timeanimvaluecontext.hxx"
#include "animationtypes.hxx"
#include "timetargetelementcontext.hxx"

using namespace ::oox::core;
using namespace ::oox::drawingml;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::animations;
using namespace ::com::sun::star::presentation;
using namespace ::com::sun::star::xml::sax;
using ::com::sun::star::beans::NamedValue;

namespace {

    oox::ppt::AnimationAttributeEnum getAttributeEnumByAPIName(std::u16string_view rAPIName)
    {
        oox::ppt::AnimationAttributeEnum eResult = oox::ppt::AnimationAttributeEnum::UNKNOWN;
        const oox::ppt::ImplAttributeNameConversion *attrConv = oox::ppt::getAttributeConversionList();
        while(attrConv->mpAPIName != nullptr)
        {
            if(o3tl::equalsAscii(rAPIName, attrConv->mpAPIName))
            {
                eResult = attrConv->meAttribute;
                break;
            }
            attrConv++;
        }
        return eResult;
    }

    bool convertAnimationValueWithTimeNode(const oox::ppt::TimeNodePtr& pNode, css::uno::Any &rAny)
    {
        css::uno::Any aAny = pNode->getNodeProperties()[oox::ppt::NP_ATTRIBUTENAME];
        OUString aNameList;
        aAny >>= aNameList;

        // only get first token.
        return oox::ppt::convertAnimationValue(getAttributeEnumByAPIName(o3tl::getToken(aNameList, 0, ';')), rAny);
    }

    css::uno::Any convertPointPercent(const css::awt::Point& rPoint)
    {
        css::animations::ValuePair aPair;
        // rPoint.X and rPoint.Y are in 1000th of a percent, but we only need ratio.
        aPair.First <<= static_cast<double>(rPoint.X) / 100000.0;
        aPair.Second <<= static_cast<double>(rPoint.Y) / 100000.0;
        return Any(aPair);
    }
}

namespace oox::ppt {

    namespace {

    struct AnimColor
    {
        AnimColor(sal_Int16 cs, sal_Int32 o, sal_Int32 t, sal_Int32 th )
            : colorSpace( cs ), one( o ), two( t ), three( th )
            {
            }

        Any get() const
            {
                sal_Int32 nColor;
                Any aColor;

                switch( colorSpace )
                {
                case AnimationColorSpace::HSL:
                    aColor <<= Sequence< double >{ one / 100000.0, two / 100000.0, three / 100000.0 };
                    break;
                case AnimationColorSpace::RGB:
                    nColor = ( ( ( one * 128 ) / 1000 ) & 0xff ) << 16
                        | ( ( ( two * 128 ) / 1000 ) & 0xff ) << 8
                        | ( ( ( three * 128 ) / 1000 )  & 0xff );
                    aColor <<= nColor;
                    break;
                default:
                    nColor = 0;
                    aColor <<= nColor;
                    break;
                }
                return  aColor;
            }

        sal_Int16 colorSpace;
        sal_Int32 one;
        sal_Int32 two;
        sal_Int32 three;
    };

    /** CT_TLMediaNodeAudio
            CT_TLMediaNodeVideo */
    class MediaNodeContext
        : public TimeNodeContext
    {
    public:
        MediaNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                            const Reference< XFastAttributeList >& xAttribs,
                            const TimeNodePtr & pNode )
            : TimeNodeContext( rParent, aElement, pNode )
                , mbIsNarration( false )
                , mbFullScrn( false )
                , mbHideDuringShow(false)
            {
                AttributeList attribs( xAttribs );

                switch( aElement )
                {
                case PPT_TOKEN( audio ):
                    mbIsNarration = attribs.getBool( XML_isNarration, false );
                    break;
                case PPT_TOKEN( video ):
                    mbFullScrn = attribs.getBool( XML_fullScrn, false );
                    break;
                default:
                    break;
                }
            }

        virtual void onEndElement() override
            {
                sal_Int32 aElement = getCurrentElement();
                if( aElement == PPT_TOKEN( audio ) )
                {
                    mpNode->getNodeProperties()[NP_ISNARRATION] <<= mbIsNarration;
                }
                else if( aElement == PPT_TOKEN( video ) )
                {
                    // TODO deal with mbFullScrn
                }
                else if (aElement == PPT_TOKEN(cMediaNode))
                {
                    mpNode->getNodeProperties()[NP_HIDEDURINGSHOW] <<= mbHideDuringShow;
                }
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cTn ):
                    return new CommonTimeNodeContext( *this, aElementToken, rAttribs.getFastAttributeList(), mpNode );
                case PPT_TOKEN( tgtEl ):
                    return new TimeTargetElementContext( *this, mpNode->getTarget() );
                case PPT_TOKEN(cMediaNode):
                    mbHideDuringShow = !rAttribs.getBool(XML_showWhenStopped, true);
                    break;
                default:
                    break;
                }

                return this;
            }

    private:
        bool mbIsNarration;
        bool mbFullScrn;
        bool mbHideDuringShow;
    };

    /** CT_TLSetBehavior
     */
    class SetTimeNodeContext
        : public TimeNodeContext
    {
    public:
        SetTimeNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                            const TimeNodePtr & pNode )
            : TimeNodeContext( rParent, aElement, pNode )
            {

            }

        virtual ~SetTimeNodeContext() noexcept override
            {
                if(maTo.hasValue())
                {
                    convertAnimationValueWithTimeNode(mpNode, maTo);
                    mpNode->setTo(maTo);
                }

            }

            virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& /*rAttribs*/ ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cBhvr ):
                    return new CommonBehaviorContext ( *this, mpNode );
                case PPT_TOKEN( to ):
                    // CT_TLAnimVariant
                    return new AnimVariantContext( *this, aElementToken, maTo );
                default:
                    break;
                }

                return this;
            }
    private:
        Any  maTo;
    };

    /** CT_TLCommandBehavior
     */
    class CmdTimeNodeContext
        : public TimeNodeContext
    {
    public:
        CmdTimeNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                            const Reference< XFastAttributeList >& xAttribs,
                            const TimeNodePtr & pNode )
            : TimeNodeContext( rParent, aElement, pNode )
                , maType(0)
            {
                switch ( aElement )
                {
                case PPT_TOKEN( cmd ):
                    msCommand = xAttribs->getOptionalValue( XML_cmd );
                    maType = xAttribs->getOptionalValueToken( XML_type, 0 );
                    break;
                default:
                    break;
                }
            }

        virtual void onEndElement() override
            {
                if( !isCurrentElement( PPT_TOKEN( cmd ) ) )
                    return;

                try {
                    // see sd/source/filter/ppt/pptinanimations.cxx
                    // in AnimationImporter::importCommandContainer()
                    // REFACTOR?
                    // a good chunk of this code has been copied verbatim *sigh*
                    sal_Int16 nCommand = EffectCommands::CUSTOM;
                    NamedValue aParamValue;

                    switch( maType )
                    {
                    case XML_verb:
                        aParamValue.Name = "Verb";
                        // TODO make sure msCommand has what we want
                        aParamValue.Value <<= msCommand.toInt32();
                        nCommand = EffectCommands::VERB;
                        break;
                    case XML_evt:
                    case XML_call:
                        if ( msCommand == "onstopaudio" )
                        {
                            nCommand = EffectCommands::STOPAUDIO;
                        }
                        else if ( msCommand == "play" )
                        {
                            nCommand = EffectCommands::PLAY;
                        }
                        else if (msCommand.startsWith("playFrom"))
                        {
                            std::u16string_view aMediaTime( msCommand.subView( 9, msCommand.getLength() - 10 ) );
                            rtl_math_ConversionStatus eStatus;
                            double fMediaTime = ::rtl::math::stringToDouble( aMediaTime, u'.', u',', &eStatus );
                            if( eStatus == rtl_math_ConversionStatus_Ok )
                            {
                                aParamValue.Name = "MediaTime";
                                aParamValue.Value <<= fMediaTime;
                            }
                            nCommand = EffectCommands::PLAY;
                        }
                        else if ( msCommand == "togglePause" )
                        {
                            nCommand = EffectCommands::TOGGLEPAUSE;
                        }
                        else if ( msCommand == "stop" )
                        {
                            nCommand = EffectCommands::STOP;
                        }
                        break;
                    }
                    mpNode->getNodeProperties()[ NP_COMMAND ] <<= nCommand;
                    if( nCommand == EffectCommands::CUSTOM )
                    {
                        SAL_WARN("oox.ppt", "OOX: CmdTimeNodeContext::endFastElement(), unknown command!");
                        aParamValue.Name = "UserDefined";
                        aParamValue.Value <<= msCommand;
                    }
                    if( aParamValue.Value.hasValue() )
                    {
                        Sequence< NamedValue > aParamSeq( &aParamValue, 1 );
                        mpNode->getNodeProperties()[ NP_PARAMETER ] <<= aParamSeq;
                    }
                }
                catch( RuntimeException& )
                {
                    TOOLS_WARN_EXCEPTION("oox.ppt", "OOX: Exception in CmdTimeNodeContext::endFastElement()" );
                }
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& /*rAttribs*/ ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cBhvr ):
                    return new CommonBehaviorContext ( *this, mpNode );
                default:
                    break;
                }

                return this;
            }

    private:
        OUString msCommand;
        sal_Int32 maType;
    };

    /** CT_TLTimeNodeSequence
     */
    class SequenceTimeNodeContext
        : public TimeNodeContext
    {
    public:
        SequenceTimeNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                                 const Reference< XFastAttributeList >& xAttribs,
                                 const TimeNodePtr & pNode )
            : TimeNodeContext( rParent, aElement, pNode )
                , mnNextAc(0)
                , mnPrevAc(0)
            {
                AttributeList attribs(xAttribs);
                mbConcurrent = attribs.getBool( XML_concurrent, false );
                mnNextAc = xAttribs->getOptionalValueToken( XML_nextAc, 0 );
                mnPrevAc = xAttribs->getOptionalValueToken( XML_prevAc, 0 );
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cTn ):
                    return new CommonTimeNodeContext( *this, aElementToken, rAttribs.getFastAttributeList(), mpNode );
                case PPT_TOKEN( nextCondLst ):
                    return new CondListContext( *this, aElementToken, mpNode, mpNode->getNextCondition() );
                case PPT_TOKEN( prevCondLst ):
                    return new CondListContext( *this, aElementToken, mpNode, mpNode->getPrevCondition() );
                default:
                    break;
                }

                return this;
            }
    private:
        bool mbConcurrent;
        sal_Int32 mnNextAc, mnPrevAc;
    };

    /** CT_TLTimeNodeParallel
     *  CT_TLTimeNodeExclusive
     */
    class ParallelExclTimeNodeContext
        : public TimeNodeContext
    {
    public:
        ParallelExclTimeNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                                     const TimeNodePtr & pNode )
            : TimeNodeContext( rParent, aElement, pNode )
            {
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cTn ):
                    return new CommonTimeNodeContext( *this, aElementToken, rAttribs.getFastAttributeList(), mpNode );
                default:
                    break;
                }

                return this;
            }

    protected:

    };

    /** CT_TLAnimateColorBehavior */
    class AnimColorContext
        : public TimeNodeContext
    {
    public:
        AnimColorContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                            const Reference< XFastAttributeList >& xAttribs,
                            const TimeNodePtr & pNode ) noexcept
            : TimeNodeContext( rParent, aElement, pNode )
            , mnColorSpace( xAttribs->getOptionalValueToken( XML_clrSpc, 0 ) )
            , mnDir( xAttribs->getOptionalValueToken( XML_dir, 0 ) )
            , mbHasByColor( false )
            , m_byColor( AnimationColorSpace::RGB, 0, 0, 0)
            {
            }

        virtual void onEndElement() override
            {
                //xParentNode
                if( !isCurrentElement( mnElement ) )
                    return;

                NodePropertyMap & rProps(mpNode->getNodeProperties());
                rProps[ NP_DIRECTION ] <<= mnDir == XML_cw;
                rProps[ NP_COLORINTERPOLATION ] <<= mnColorSpace == XML_hsl ? AnimationColorSpace::HSL : AnimationColorSpace::RGB;
                const GraphicHelper& rGraphicHelper = getFilter().getGraphicHelper();
                if( maToClr.isUsed() )
                    mpNode->setTo( Any( maToClr.getColor( rGraphicHelper ) ) );
                if( maFromClr.isUsed() )
                    mpNode->setFrom( Any( maFromClr.getColor( rGraphicHelper ) ) );
                if( mbHasByColor )
                    mpNode->setBy( m_byColor.get() );
            }

            virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( hsl ):
                    // CT_TLByHslColorTransform
                {
                    if( mbHasByColor )
                    {
                        m_byColor.colorSpace = AnimationColorSpace::HSL;
                        m_byColor.one = rAttribs.getInteger( XML_h, 0 );
                        m_byColor.two = rAttribs.getInteger( XML_s, 0 );
                        m_byColor.three = rAttribs.getInteger( XML_l, 0 );
                    }
                    return this;
                }
                case PPT_TOKEN( rgb ):
                {
                    if( mbHasByColor )
                    {
                        // CT_TLByRgbColorTransform
                        m_byColor.colorSpace = AnimationColorSpace::RGB;
                        m_byColor.one = rAttribs.getInteger( XML_r, 0 );
                        m_byColor.two = rAttribs.getInteger( XML_g, 0 );
                        m_byColor.three = rAttribs.getInteger( XML_b, 0 );
                    }
                    return this;
                }
                case PPT_TOKEN( by ):
                    // CT_TLByAnimateColorTransform
                    mbHasByColor = true;
                    return this;
                case PPT_TOKEN( cBhvr ):
                    return new CommonBehaviorContext ( *this, mpNode );
                case PPT_TOKEN( to ):
                    // CT_Color
                    return new ColorContext( *this, maToClr );
                case PPT_TOKEN( from ):
                    // CT_Color
                    return new ColorContext( *this, maFromClr );

                default:
                    break;
                }

                return this;
            }

    private:
        sal_Int32 mnColorSpace;
        sal_Int32 mnDir;
        bool mbHasByColor;
        AnimColor m_byColor;
        oox::drawingml::Color maToClr;
        oox::drawingml::Color maFromClr;
    };

    /** CT_TLAnimateBehavior */
    class AnimContext
        : public TimeNodeContext
    {
    public:
        AnimContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                     const Reference< XFastAttributeList >& xAttribs,
                      const TimeNodePtr & pNode ) noexcept
            : TimeNodeContext( rParent, aElement, pNode )
            {
                NodePropertyMap & aProps( pNode->getNodeProperties() );
                sal_Int32 nCalcMode = xAttribs->getOptionalValueToken( XML_calcmode, 0 );
                if(nCalcMode)
                {
                    sal_Int16 nEnum = 0;
                    switch(nCalcMode)
                    {
                    case XML_discrete:
                        nEnum = AnimationCalcMode::DISCRETE;
                        break;
                    case XML_lin:
                        nEnum = AnimationCalcMode::LINEAR;
                        break;
                    case XML_fmla:
                    default:
                        // TODO what value is good ?
                        nEnum = AnimationCalcMode::DISCRETE;
                        break;
                    }
                    aProps[ NP_CALCMODE ] <<= nEnum;
                }

                msFrom = xAttribs->getOptionalValue(XML_from);
                msTo = xAttribs->getOptionalValue(XML_to);
                msBy = xAttribs->getOptionalValue(XML_by);

                mnValueType = xAttribs->getOptionalValueToken( XML_valueType, 0 );
            }

        virtual ~AnimContext() noexcept override
            {
                if (!msFrom.isEmpty())
                {
                    css::uno::Any aAny;
                    aAny <<= msFrom;
                    convertAnimationValueWithTimeNode(mpNode, aAny);
                    mpNode->setFrom(aAny);
                }

                if (!msTo.isEmpty())
                {
                    css::uno::Any aAny;
                    aAny <<= msTo;
                    convertAnimationValueWithTimeNode(mpNode, aAny);
                    mpNode->setTo(aAny);
                }

                if (!msBy.isEmpty())
                {
                    css::uno::Any aAny;
                    aAny <<= msBy;
                    convertAnimationValueWithTimeNode(mpNode, aAny);
                    mpNode->setBy(aAny);
                }

                int nKeyTimes = maTavList.size();
                if( nKeyTimes <= 0)
                    return;

                int i=0;
                Sequence< double > aKeyTimes( nKeyTimes );
                auto pKeyTimes = aKeyTimes.getArray();
                Sequence< Any > aValues( nKeyTimes );
                auto pValues = aValues.getArray();

                NodePropertyMap & aProps( mpNode->getNodeProperties() );
                for (auto const& tav : maTavList)
                {
                    // TODO what to do if it is Timing_INFINITE ?
                    Any aTime = GetTimeAnimateValueTime( tav.msTime );
                    aTime >>= pKeyTimes[i];
                    pValues[i] = tav.maValue;
                    convertAnimationValueWithTimeNode(mpNode, pValues[i]);

                    // Examine pptx documents and find that only the first tav
                    // has the formula set. The formula can be used for the whole.
                    if (!tav.msFormula.isEmpty())
                    {
                        OUString sFormula = tav.msFormula;
                        (void)convertMeasure(sFormula);
                        aProps[NP_FORMULA] <<= sFormula;
                    }

                    ++i;
                }
                aProps[ NP_VALUES ] <<= aValues;
                aProps[ NP_KEYTIMES ] <<= aKeyTimes;
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& /*rAttribs*/ ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cBhvr ):
                    return new CommonBehaviorContext ( *this, mpNode );
                case PPT_TOKEN( tavLst ):
                    return new TimeAnimValueListContext ( *this, maTavList );
                default:
                    break;
                }

                return this;
            }
    private:
        sal_Int32              mnValueType;
        TimeAnimationValueList maTavList;
        OUString msFrom;
        OUString msTo;
        OUString msBy;
    };

    /** CT_TLAnimateScaleBehavior */
    class AnimScaleContext
        : public TimeNodeContext
    {
    public:
        AnimScaleContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                            const Reference< XFastAttributeList >& xAttribs,
                            const TimeNodePtr & pNode )
            : TimeNodeContext( rParent, aElement, pNode )
                , mbZoomContents( false )
            {
                AttributeList attribs( xAttribs );
                // TODO what to do with mbZoomContents
                mbZoomContents = attribs.getBool( XML_zoomContents, false );
                pNode->getNodeProperties()[ NP_TRANSFORMTYPE ]
                    <<= sal_Int16(AnimationTransformType::SCALE);
            }

        virtual void onEndElement() override
            {
                if( !isCurrentElement( mnElement ) )
                    return;

                if( maTo.hasValue() )
                {
                    mpNode->setTo( maTo );
                }
                if( maBy.hasValue() )
                {
                    mpNode->setBy( maBy );
                }
                if( maFrom.hasValue() )
                {
                    mpNode->setFrom( maFrom );
                }
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cBhvr ):
                    return new CommonBehaviorContext ( *this, mpNode );
                case PPT_TOKEN( to ):
                {
                    // CT_TLPoint
                    maTo = convertPointPercent(GetPointPercent(rAttribs.getFastAttributeList()));
                    return this;
                }
                case PPT_TOKEN( from ):
                {
                    // CT_TLPoint
                    maFrom  = convertPointPercent(GetPointPercent(rAttribs.getFastAttributeList()));
                    return this;
                }
                case PPT_TOKEN( by ):
                {
                    // CT_TLPoint
                    css::awt::Point aPoint = GetPointPercent(rAttribs.getFastAttributeList());
                    // We got ending values instead of offset values, so subtract 100% from them.
                    aPoint.X -= 100000;
                    aPoint.Y -= 100000;
                    maBy = convertPointPercent(aPoint);
                    return this;
                }
                default:
                    break;
                }

                return this;
            }
    private:
        Any maBy;
        Any maFrom;
        Any maTo;
        bool mbZoomContents;
    };

    /** CT_TLAnimateRotationBehavior */
    class AnimRotContext
        : public TimeNodeContext
    {
    public:
        AnimRotContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                        const Reference< XFastAttributeList >& xAttribs,
                         const TimeNodePtr & pNode ) noexcept
            : TimeNodeContext( rParent, aElement, pNode )
            {
                AttributeList attribs( xAttribs );

                pNode->getNodeProperties()[ NP_TRANSFORMTYPE ]
                    <<= sal_Int16(AnimationTransformType::ROTATE);
                // see also DFF_msofbtAnimateRotationData in
                // sd/source/filter/ppt/pptinanimations.cxx
                if(attribs.hasAttribute( XML_by ) )
                {
                    double fBy = attribs.getDouble( XML_by, 0.0 ) / PER_DEGREE; //1 PowerPoint-angle-unit = 1/60000 degree
                    pNode->setBy( Any( fBy ) );
                }
                if(attribs.hasAttribute( XML_from ) )
                {
                    double fFrom = attribs.getDouble( XML_from, 0.0 ) / PER_DEGREE;
                    pNode->setFrom( Any( fFrom ) );
                }
                if(attribs.hasAttribute( XML_to ) )
                {
                    double fTo = attribs.getDouble( XML_to, 0.0 ) / PER_DEGREE;
                    pNode->setTo( Any( fTo ) );
                }
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& /*rAttribs*/ ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cBhvr ):
                    return new CommonBehaviorContext ( *this, mpNode );
                default:
                    break;
                }

                return this;
            }
    };

    /** CT_TLAnimateMotionBehavior */
    class AnimMotionContext
        : public TimeNodeContext
    {
    public:
        AnimMotionContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                         const Reference< XFastAttributeList >& xAttribs,
                          const TimeNodePtr & pNode ) noexcept
            : TimeNodeContext( rParent, aElement, pNode )
            {
                pNode->getNodeProperties()[ NP_TRANSFORMTYPE ]
                    <<= sal_Int16(AnimationTransformType::TRANSLATE);

                AttributeList attribs( xAttribs );
                sal_Int32 nOrigin = xAttribs->getOptionalValueToken( XML_origin, 0 );
                if( nOrigin != 0 )
                {
                    switch(nOrigin)
                    {
                    case XML_layout:
                    case XML_parent:
                        break;
                    }
                    // TODO
                }

                OUString aStr = xAttribs->getOptionalValue( XML_path );
                // E can appear inside a number, so we only check for its presence at the end
                aStr = aStr.trim();
                if (aStr.endsWith("E"))
                    aStr = aStr.copy(0, aStr.getLength() - 1);
                aStr = aStr.trim();
                pNode->getNodeProperties()[ NP_PATH ] <<= aStr;
                mnPathEditMode = xAttribs->getOptionalValueToken( XML_pathEditMode, 0 );
                msPtsTypes = xAttribs->getOptionalValue( XML_ptsTypes );
                mnAngle = attribs.getInteger( XML_rAng, 0 );
                // TODO make sure the units are right. Likely not.
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cBhvr ):
                    return new CommonBehaviorContext ( *this, mpNode );
                case PPT_TOKEN( to ):
                {
                    // CT_TLPoint
                    awt::Point p = GetPointPercent( rAttribs.getFastAttributeList() );
                    Any rAny;
                    rAny <<= p.X;
                    rAny <<= p.Y;
                    mpNode->setTo( rAny );
                    return this;
                }
                case PPT_TOKEN( from ):
                {
                    // CT_TLPoint
                    awt::Point p = GetPointPercent( rAttribs.getFastAttributeList() );
                    Any rAny;
                    rAny <<= p.X;
                    rAny <<= p.Y;
                    mpNode->setFrom( rAny );
                    return this;
                }
                case PPT_TOKEN( by ):
                {
                    // CT_TLPoint
                    awt::Point p = GetPointPercent( rAttribs.getFastAttributeList() );
                    Any rAny;
                    rAny <<= p.X;
                    rAny <<= p.Y;
                    mpNode->setBy( rAny );
                    return this;
                }
                case PPT_TOKEN( rCtr ):
                {
                    // CT_TLPoint
                    awt::Point p = GetPointPercent( rAttribs.getFastAttributeList() );
                    // TODO push
                    (void)p;
                    return this;
                }
                default:
                    break;
                }

                return this;
            }
    private:
        OUString msPtsTypes;
        sal_Int32 mnPathEditMode;
        sal_Int32 mnAngle;
    };

    /** CT_TLAnimateEffectBehavior */
    class AnimEffectContext
        : public TimeNodeContext
    {
    public:
        AnimEffectContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                             const Reference< XFastAttributeList >& xAttribs,
                             const TimeNodePtr & pNode ) noexcept
            : TimeNodeContext( rParent, aElement, pNode )
            {
                sal_Int32 nDir = xAttribs->getOptionalValueToken( XML_transition, 0 );
                OUString sFilter = xAttribs->getOptionalValue( XML_filter );
                // TODO
//              OUString sPrList = xAttribs->getOptionalValue( XML_prLst );

                if( !sFilter.isEmpty() )
                {
                    SlideTransition aFilter( sFilter );
                    aFilter.setMode( nDir != XML_out );
                    pNode->setTransitionFilter( aFilter );
                }
            }

        virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& /*rAttribs*/ ) override
            {
                switch ( aElementToken )
                {
                case PPT_TOKEN( cBhvr ):
                    return new CommonBehaviorContext ( *this, mpNode );
                case PPT_TOKEN( progress ):
                    return new AnimVariantContext( *this, aElementToken, maProgress );
                    // TODO handle it.
                default:
                    break;
                }

                return this;
            }
    private:
        Any maProgress;
    };

    }

    rtl::Reference<TimeNodeContext> TimeNodeContext::makeContext(
            FragmentHandler2 const & rParent, sal_Int32  aElement,
            const Reference< XFastAttributeList >& xAttribs,
            const TimeNodePtr & pNode )
    {
        rtl::Reference<TimeNodeContext> pCtx;
        switch( aElement )
        {
        case PPT_TOKEN( animClr ):
            pCtx = new AnimColorContext( rParent, aElement, xAttribs, pNode );
            break;
        case PPT_TOKEN( par ):
            pCtx = new ParallelExclTimeNodeContext( rParent, aElement, pNode );
            break;
        case PPT_TOKEN( seq ):
            pCtx = new SequenceTimeNodeContext( rParent, aElement, xAttribs, pNode );
            break;
        case PPT_TOKEN( excl ):
            pCtx = new ParallelExclTimeNodeContext( rParent, aElement, pNode );
            break;
        case PPT_TOKEN( anim ):
            pCtx = new AnimContext ( rParent, aElement, xAttribs, pNode );
            break;
        case PPT_TOKEN( animEffect ):
            pCtx = new AnimEffectContext( rParent, aElement, xAttribs, pNode );
            break;
        case PPT_TOKEN( animMotion ):
            pCtx = new AnimMotionContext( rParent, aElement, xAttribs, pNode );
            break;
        case PPT_TOKEN( animRot ):
            pCtx = new AnimRotContext( rParent, aElement, xAttribs, pNode );
            break;
        case PPT_TOKEN( animScale ):
            pCtx = new AnimScaleContext( rParent, aElement, xAttribs, pNode );
            break;
        case PPT_TOKEN( cmd ):
            pCtx = new CmdTimeNodeContext( rParent, aElement, xAttribs, pNode );
            break;
        case PPT_TOKEN( set ):
            pCtx = new SetTimeNodeContext( rParent, aElement, pNode );
            break;
        case PPT_TOKEN( audio ):
        case PPT_TOKEN( video ):
            pCtx = new MediaNodeContext( rParent, aElement, xAttribs, pNode );
            break;
        default:
            break;
        }
        return pCtx;
    }

    TimeNodeContext::TimeNodeContext( FragmentHandler2 const & rParent, sal_Int32 aElement,
            TimeNodePtr pNode ) noexcept
        : FragmentHandler2( rParent )
        , mnElement( aElement )
        , mpNode(std::move( pNode ))
    {
    }

    TimeNodeContext::~TimeNodeContext( ) noexcept
    {

    }

    TimeNodeListContext::TimeNodeListContext( FragmentHandler2 const & rParent, TimeNodePtrList & aList )
        noexcept
        : FragmentHandler2( rParent )
            , maList( aList )
    {
    }

    TimeNodeListContext::~TimeNodeListContext( ) noexcept
    {
    }

    ::oox::core::ContextHandlerRef TimeNodeListContext::onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs )
    {
        sal_Int16 nNodeType;

        switch( aElementToken )
        {
        case PPT_TOKEN( par ):
            nNodeType = AnimationNodeType::PAR;
            break;
        case PPT_TOKEN( seq ):
            nNodeType = AnimationNodeType::SEQ;
            break;
        case PPT_TOKEN( excl ):
            // TODO pick the right type. We choose parallel for now as
            // there does not seem to be an "Exclusive"
            nNodeType = AnimationNodeType::PAR;
            break;
        case PPT_TOKEN( anim ):
            nNodeType = AnimationNodeType::ANIMATE;
            break;
        case PPT_TOKEN( animClr ):
            nNodeType = AnimationNodeType::ANIMATECOLOR;
            break;
        case PPT_TOKEN( animEffect ):
            nNodeType = AnimationNodeType::TRANSITIONFILTER;
            break;
        case PPT_TOKEN( animMotion ):
            nNodeType = AnimationNodeType::ANIMATEMOTION;
            break;
        case PPT_TOKEN( animRot ):
        case PPT_TOKEN( animScale ):
            nNodeType = AnimationNodeType::ANIMATETRANSFORM;
            break;
        case PPT_TOKEN( cmd ):
            nNodeType = AnimationNodeType::COMMAND;
            break;
        case PPT_TOKEN( set ):
            nNodeType = AnimationNodeType::SET;
            break;
        case PPT_TOKEN( audio ):
            nNodeType = AnimationNodeType::AUDIO;
            break;
        case PPT_TOKEN( video ):
            nNodeType = AnimationNodeType::AUDIO;
            SAL_WARN("oox.ppt", "OOX: video requested, gave Audio instead" );
            break;

        default:
            nNodeType = AnimationNodeType::CUSTOM;
            SAL_INFO("oox.ppt", "unhandled token " << aElementToken);
            break;
        }

        TimeNodePtr pNode = std::make_shared<TimeNode>(nNodeType);
        maList.push_back( pNode );
        rtl::Reference<FragmentHandler2> pContext = TimeNodeContext::makeContext( *this, aElementToken, rAttribs.getFastAttributeList(), pNode );

        return pContext ? pContext : this;
    }

}

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