Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

30 files changed, 4426 insertions, 0 deletions

diff --git a/slideshow/source/engine/animationnodes/animationaudionode.cxx b/slideshow/source/engine/animationnodes/animationaudionode.cxx
new file mode 100644
index 000000000..c6eb61d17
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationaudionode.cxx
@@ -0,0 +1,203 @@
+/* -*- 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 <sal/config.h>
+
+#include <com/sun/star/lang/NoSupportException.hpp>
+
+#include <eventqueue.hxx>
+#include "animationaudionode.hxx"
+#include <delayevent.hxx>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+AnimationAudioNode::AnimationAudioNode(
+    const uno::Reference< animations::XAnimationNode >& xNode,
+    const BaseContainerNodeSharedPtr&                   rParent,
+    const NodeContext&                                  rContext )
+    : BaseNode( xNode, rParent, rContext ),
+      mxAudioNode( xNode, uno::UNO_QUERY_THROW ),
+      maSoundURL(),
+      mpPlayer()
+{
+    mxAudioNode->getSource() >>= maSoundURL;
+
+    OSL_ENSURE( !maSoundURL.isEmpty(),
+                "could not extract sound source URL/empty URL string" );
+
+    ENSURE_OR_THROW( getContext().mxComponentContext.is(),
+                      "Invalid component context" );
+}
+
+void AnimationAudioNode::dispose()
+{
+    resetPlayer();
+    mxAudioNode.clear();
+    BaseNode::dispose();
+}
+
+void AnimationAudioNode::activate_st()
+{
+    createPlayer();
+
+    AnimationEventHandlerSharedPtr aHandler(
+        std::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) );
+    OSL_ENSURE( aHandler,
+                "could not cast self to AnimationEventHandler?" );
+    getContext().mrEventMultiplexer.addCommandStopAudioHandler( aHandler );
+
+    if (mpPlayer && mpPlayer->startPlayback())
+    {
+        // TODO(F2): Handle end time attribute, too
+        if( getXAnimationNode()->getDuration().hasValue() )
+        {
+            scheduleDeactivationEvent();
+        }
+        else
+        {
+            // no node duration. Take inherent media time. We have to recheck
+            // if the player is playing in case the duration isn't accurate
+            // or the progress fall behind.
+            auto self(getSelf());
+            scheduleDeactivationEvent(
+                makeDelay( [this] () { this->checkPlayingStatus(); },
+                           mpPlayer->getDuration(),
+                           "AnimationAudioNode::check if still playing with delay") );
+        }
+    }
+    else
+    {
+        // deactivate ASAP:
+        auto self(getSelf());
+        scheduleDeactivationEvent(
+            makeEvent( [self] () { self->deactivate(); },
+                                    "AnimationAudioNode::deactivate without delay") );
+    }
+}
+
+// TODO(F2): generate deactivation event, when sound
+// is over
+
+namespace {
+
+// libc++ and MSVC std::bind doesn't cut it here, and it's not possible to use
+// a lambda because the preprocessor thinks that comma in capture list
+// separates macro parameters
+struct NotifyAudioStopped
+{
+    EventMultiplexer & m_rEventMultiplexer;
+    ::std::shared_ptr<BaseNode> m_pSelf;
+    NotifyAudioStopped(EventMultiplexer & rEventMultiplexer,
+            ::std::shared_ptr<BaseNode> const& pSelf)
+        : m_rEventMultiplexer(rEventMultiplexer), m_pSelf(pSelf) { }
+
+    void operator()()
+    {
+        m_rEventMultiplexer.notifyAudioStopped(m_pSelf);
+    }
+};
+
+}
+
+void AnimationAudioNode::deactivate_st( NodeState /*eDestState*/ )
+{
+    AnimationEventHandlerSharedPtr aHandler(
+        std::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) );
+    OSL_ENSURE( aHandler,
+                "could not cast self to AnimationEventHandler?" );
+    getContext().mrEventMultiplexer.removeCommandStopAudioHandler( aHandler );
+
+    // force-end sound
+    if (mpPlayer)
+    {
+        mpPlayer->stopPlayback();
+        resetPlayer();
+    }
+
+    // notify _after_ state change:
+    getContext().mrEventQueue.addEvent(
+        makeEvent( NotifyAudioStopped(getContext().mrEventMultiplexer, getSelf()),
+                   "AnimationAudioNode::notifyAudioStopped") );
+}
+
+bool AnimationAudioNode::hasPendingAnimation() const
+{
+    // force slide to use the animation framework
+    // (otherwise, a single sound on the slide would
+    // not be played).
+    return true;
+}
+
+void AnimationAudioNode::createPlayer() const
+{
+    if (mpPlayer)
+        return;
+
+    try
+    {
+        mpPlayer = SoundPlayer::create( getContext().mrEventMultiplexer,
+                                        maSoundURL,
+                                        getContext().mxComponentContext,
+                                        getContext().mrMediaFileManager);
+    }
+    catch( lang::NoSupportException& )
+    {
+        // catch possible exceptions from SoundPlayer,
+        // since being not able to playback the sound
+        // is not a hard error here (remainder of the
+        // animations should still work).
+    }
+}
+
+void AnimationAudioNode::resetPlayer() const
+{
+    if (mpPlayer)
+    {
+        mpPlayer->stopPlayback();
+        mpPlayer->dispose();
+        mpPlayer.reset();
+    }
+}
+
+bool AnimationAudioNode::handleAnimationEvent(
+    const AnimationNodeSharedPtr& /*rNode*/ )
+{
+    // TODO(F2): for now we support only STOPAUDIO events.
+    deactivate();
+    return true;
+}
+
+void AnimationAudioNode::checkPlayingStatus()
+{
+    auto self(getSelf());
+    double nDuration = mpPlayer->getDuration();
+    if (!mpPlayer->isPlaying() || nDuration < 0.0)
+        nDuration = 0.0;
+
+    scheduleDeactivationEvent(
+        makeDelay( [self] () { self->deactivate(); },
+            nDuration,
+            "AnimationAudioNode::deactivate with delay") );
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationaudionode.hxx b/slideshow/source/engine/animationnodes/animationaudionode.hxx
new file mode 100644
index 000000000..d1c08601c
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationaudionode.hxx
@@ -0,0 +1,70 @@
+/* -*- 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_ANIMATIONAUDIONODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONAUDIONODE_HXX
+
+#include <basecontainernode.hxx>
+#include <soundplayer.hxx>
+#include <com/sun/star/animations/XAnimationNode.hpp>
+#include <com/sun/star/animations/XAudio.hpp>
+
+namespace slideshow {
+namespace internal {
+
+/** Audio node.
+
+    This animation node contains an audio effect. Duration and
+    start/stop behaviour is affected by the referenced audio
+    file.
+*/
+class AnimationAudioNode : public BaseNode, public AnimationEventHandler
+{
+public:
+    AnimationAudioNode(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        BaseContainerNodeSharedPtr const& pParent,
+        NodeContext const& rContext );
+
+protected:
+    virtual void dispose() override;
+
+private:
+    virtual void activate_st() override;
+    virtual void deactivate_st( NodeState eDestState ) override;
+    virtual bool hasPendingAnimation() const override;
+
+    /// overridden, because we need to deal with STOPAUDIO commands
+    virtual bool handleAnimationEvent( const AnimationNodeSharedPtr& rNode ) override;
+
+private:
+    css::uno::Reference<css::animations::XAudio >  mxAudioNode;
+    OUString                                       maSoundURL;
+    mutable SoundPlayerSharedPtr                   mpPlayer;
+
+    void createPlayer() const;
+    void resetPlayer() const;
+    void checkPlayingStatus();
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONAUDIONODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationbasenode.cxx b/slideshow/source/engine/animationnodes/animationbasenode.cxx
new file mode 100644
index 000000000..4dcb64079
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationbasenode.cxx
@@ -0,0 +1,489 @@
+/* -*- 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 <sal/log.hxx>
+#include <com/sun/star/presentation/ParagraphTarget.hpp>
+#include <com/sun/star/animations/Timing.hpp>
+#include <com/sun/star/animations/AnimationAdditiveMode.hpp>
+#include <com/sun/star/presentation/ShapeAnimationSubType.hpp>
+
+#include "nodetools.hxx"
+#include <doctreenode.hxx>
+#include "animationbasenode.hxx"
+#include <delayevent.hxx>
+#include <framerate.hxx>
+
+#include <optional>
+#include <algorithm>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+AnimationBaseNode::AnimationBaseNode(
+    const uno::Reference< animations::XAnimationNode >&   xNode,
+    const BaseContainerNodeSharedPtr&                     rParent,
+    const NodeContext&                                    rContext )
+    : BaseNode( xNode, rParent, rContext ),
+      mxAnimateNode( xNode, uno::UNO_QUERY_THROW ),
+      maAttributeLayerHolder(),
+      maSlideSize( rContext.maSlideSize ),
+      mpActivity(),
+      mpShape(),
+      mpShapeSubset(),
+      mpSubsetManager(rContext.maContext.mpSubsettableShapeManager),
+      mbPreservedVisibility(true),
+      mbIsIndependentSubset( rContext.mbIsIndependentSubset )
+{
+    // extract native node targets
+    // ===========================
+
+    // plain shape target
+    uno::Reference< drawing::XShape > xShape( mxAnimateNode->getTarget(),
+                                              uno::UNO_QUERY );
+
+    // distinguish 5 cases:
+
+    //  - plain shape target
+    //  (NodeContext.mpMasterShapeSubset full set)
+
+    //  - parent-generated subset (generate an
+    //  independent subset)
+
+    //  - parent-generated subset from iteration
+    //  (generate a dependent subset)
+
+    //  - XShape target at the XAnimatioNode (generate
+    //  a plain shape target)
+
+    //  - ParagraphTarget target at the XAnimationNode
+    //  (generate an independent shape subset)
+    if( rContext.mpMasterShapeSubset )
+    {
+        if( rContext.mpMasterShapeSubset->isFullSet() )
+        {
+            // case 1: plain shape target from parent
+            mpShape = rContext.mpMasterShapeSubset->getSubsetShape();
+        }
+        else
+        {
+            // cases 2 & 3: subset shape
+            mpShapeSubset = rContext.mpMasterShapeSubset;
+        }
+    }
+    else
+    {
+        // no parent-provided shape, try to extract
+        // from XAnimationNode - cases 4 and 5
+
+        if( xShape.is() )
+        {
+            mpShape = lookupAttributableShape( getContext().mpSubsettableShapeManager,
+                                               xShape );
+        }
+        else
+        {
+            // no shape provided. Maybe a ParagraphTarget?
+            presentation::ParagraphTarget aTarget;
+
+            if( !(mxAnimateNode->getTarget() >>= aTarget) )
+                ENSURE_OR_THROW(
+                    false, "could not extract any target information" );
+
+            xShape = aTarget.Shape;
+
+            ENSURE_OR_THROW( xShape.is(), "invalid shape in ParagraphTarget" );
+
+            mpShape = lookupAttributableShape( getContext().mpSubsettableShapeManager,
+                                               xShape );
+
+            // NOTE: For shapes with ParagraphTarget, we ignore
+            // the SubItem property. We implicitly assume that it
+            // is set to ONLY_TEXT.
+            OSL_ENSURE(
+                mxAnimateNode->getSubItem() ==
+                presentation::ShapeAnimationSubType::ONLY_TEXT ||
+                mxAnimateNode->getSubItem() ==
+                presentation::ShapeAnimationSubType::AS_WHOLE,
+                "ParagraphTarget given, but subitem not AS_TEXT or AS_WHOLE? "
+                "Make up your mind, I'll ignore the subitem." );
+
+            // okay, found a ParagraphTarget with a valid XShape. Does the shape
+            // provide the given paragraph?
+            if( aTarget.Paragraph >= 0 &&
+                mpShape->getTreeNodeSupplier().getNumberOfTreeNodes(
+                    DocTreeNode::NodeType::LogicalParagraph) > aTarget.Paragraph )
+            {
+                const DocTreeNode& rTreeNode(
+                    mpShape->getTreeNodeSupplier().getTreeNode(
+                        aTarget.Paragraph,
+                        DocTreeNode::NodeType::LogicalParagraph ) );
+
+                // CAUTION: the creation of the subset shape
+                // _must_ stay in the node constructor, since
+                // Slide::prefetchShow() initializes shape
+                // attributes right after animation import (or
+                // the Slide class must be changed).
+                mpShapeSubset =
+                    std::make_shared<ShapeSubset>( mpShape,
+                                     rTreeNode,
+                                     mpSubsetManager );
+
+                // Override NodeContext, and flag this node as
+                // a special independent subset one. This is
+                // important when applying initial attributes:
+                // independent shape subsets must be setup
+                // when the slide starts, since they, as their
+                // name suggest, can have state independent to
+                // the master shape. The following example
+                // might illustrate that: a master shape has
+                // no effect, one of the text paragraphs
+                // within it has an appear effect. Now, the
+                // respective paragraph must be invisible when
+                // the slide is initially shown, and become
+                // visible only when the effect starts.
+                mbIsIndependentSubset = true;
+
+                // already enable subset right here, the
+                // setup of initial shape attributes of
+                // course needs the subset shape
+                // generated, to apply e.g. visibility
+                // changes.
+                mpShapeSubset->enableSubsetShape();
+            }
+        }
+    }
+}
+
+void AnimationBaseNode::dispose()
+{
+    if (mpActivity) {
+        mpActivity->dispose();
+        mpActivity.reset();
+    }
+
+    maAttributeLayerHolder.reset();
+    mxAnimateNode.clear();
+    mpShape.reset();
+    mpShapeSubset.reset();
+
+    BaseNode::dispose();
+}
+
+bool AnimationBaseNode::init_st()
+{
+    // if we've still got an old activity lying around, dispose it:
+    if (mpActivity) {
+        mpActivity->dispose();
+        mpActivity.reset();
+    }
+
+    // note: actually disposing the activity too early might cause problems,
+    // because on dequeued() it calls endAnimation(pAnim->end()), thus ending
+    // animation _after_ last screen update.
+    // review that end() is properly called (which calls endAnimation(), too).
+
+    try {
+        // TODO(F2): For restart functionality, we must regenerate activities,
+        // since they are not able to reset their state (or implement _that_)
+        mpActivity = createActivity();
+    }
+    catch (uno::Exception const&) {
+        TOOLS_WARN_EXCEPTION( "slideshow", "" );
+        // catch and ignore. We later handle empty activities, but for
+        // other nodes to function properly, the core functionality of
+        // this node must remain up and running.
+    }
+    return true;
+}
+
+bool AnimationBaseNode::resolve_st()
+{
+    // enable shape subset for automatically generated
+    // subsets. Independent subsets are already setup
+    // during construction time. Doing it only here
+    // saves us a lot of sprites and shapes lying
+    // around. This is especially important for
+    // character-wise iterations, since the shape
+    // content (e.g. thousands of characters) would
+    // otherwise be painted character-by-character.
+    if (isDependentSubsettedShape() && mpShapeSubset) {
+        mpShapeSubset->enableSubsetShape();
+    }
+    return true;
+}
+
+void AnimationBaseNode::activate_st()
+{
+    AttributableShapeSharedPtr const pShape(getShape());
+    mbPreservedVisibility = pShape->isVisible();
+
+    // create new attribute layer
+    maAttributeLayerHolder.createAttributeLayer(pShape);
+
+    ENSURE_OR_THROW( maAttributeLayerHolder.get(),
+                      "Could not generate shape attribute layer" );
+
+    // TODO(Q2): This affects the way mpActivity
+    // works, but is performed here because of
+    // locality (we're fiddling with the additive mode
+    // here, anyway, and it's the only place where we
+    // do). OTOH, maybe the complete additive mode
+    // setup should be moved to the activities.
+
+    // for simple by-animations, the SMIL spec
+    // requires us to emulate "0,by-value" value list
+    // behaviour, with additive mode forced to "sum",
+    // no matter what the input is
+    // (http://www.w3.org/TR/smil20/animation.html#adef-by).
+    if( mxAnimateNode->getBy().hasValue() &&
+        !mxAnimateNode->getTo().hasValue() &&
+        !mxAnimateNode->getFrom().hasValue() )
+    {
+        // force attribute mode to REPLACE (note the
+        // subtle discrepancy to the paragraph above,
+        // where SMIL requires SUM. This is internally
+        // handled by the FromToByActivity, and is
+        // because otherwise DOM values would not be
+        // handled correctly: the activity cannot
+        // determine whether an
+        // Activity::getUnderlyingValue() yields the
+        // DOM value, or already a summed-up conglomerate)
+
+        // Note that this poses problems with our
+        // hybrid activity duration (time or min number of frames),
+        // since if activities
+        // exceed their duration, wrong 'by' start
+        // values might arise ('Laser effect')
+        maAttributeLayerHolder.get()->setAdditiveMode(
+            animations::AnimationAdditiveMode::REPLACE );
+    }
+    else
+    {
+        // apply additive mode to newly created Attribute layer
+        maAttributeLayerHolder.get()->setAdditiveMode(
+            mxAnimateNode->getAdditive() );
+    }
+
+    // fake normal animation behaviour, even if we
+    // show nothing.  This is the appropriate way to
+    // handle errors on Activity generation, because
+    // maybe all other effects on the slide are
+    // correctly initialized (but won't run, if we
+    // signal an error here)
+    if (mpActivity) {
+        // supply Activity (and the underlying Animation) with
+        // it's AttributeLayer, to perform the animation on
+        mpActivity->setTargets( getShape(), maAttributeLayerHolder.get() );
+
+        // add to activities queue
+        getContext().mrActivitiesQueue.addActivity( mpActivity );
+    }
+    else {
+        // Actually, DO generate the event for empty activity,
+        // to keep the chain of animations running
+        BaseNode::scheduleDeactivationEvent();
+    }
+}
+
+void AnimationBaseNode::deactivate_st( NodeState eDestState )
+{
+    if (eDestState == FROZEN && mpActivity)
+        mpActivity->end();
+
+    if (isDependentSubsettedShape()) {
+        // for dependent subsets, remove subset shape
+        // from layer, re-integrate subsetted part
+        // back into original shape. For independent
+        // subsets, we cannot make any assumptions
+        // about subset attribute state relative to
+        // master shape, thus, have to keep it. This
+        // will effectively re-integrate the subsetted
+        // part into the original shape (whose
+        // animation will hopefully have ended, too)
+
+        // this statement will save a whole lot of
+        // sprites for iterated text effects, since
+        // those sprites will only exist during the
+        // actual lifetime of the effects
+        if (mpShapeSubset) {
+            mpShapeSubset->disableSubsetShape();
+        }
+    }
+
+    if (eDestState != ENDED)
+        return;
+
+    // no shape anymore, no layer needed:
+    maAttributeLayerHolder.reset();
+
+    if (! isDependentSubsettedShape()) {
+
+        // for all other shapes, removing the
+        // attribute layer quite possibly changes
+        // shape display. Thus, force update
+        AttributableShapeSharedPtr const pShape( getShape() );
+
+        // don't anybody dare to check against
+        // pShape->isVisible() here, removing the
+        // attribute layer might actually make the
+        // shape invisible!
+        getContext().mpSubsettableShapeManager->notifyShapeUpdate( pShape );
+    }
+
+    if (mpActivity) {
+        // kill activity, if still running
+        mpActivity->dispose();
+        mpActivity.reset();
+    }
+}
+
+void AnimationBaseNode::removeEffect()
+{
+    if (!isDependentSubsettedShape()) {
+        AttributableShapeSharedPtr const pShape(getShape());
+        pShape->setVisibility(!mbPreservedVisibility);
+        getContext().mpSubsettableShapeManager->notifyShapeUpdate( pShape );
+        pShape->setVisibility(mbPreservedVisibility);
+    }
+}
+
+bool AnimationBaseNode::hasPendingAnimation() const
+{
+    // TODO(F1): This might not always be true. Are there 'inactive'
+    // animation nodes?
+    return true;
+}
+
+#if defined(DBG_UTIL)
+void AnimationBaseNode::showState() const
+{
+    BaseNode::showState();
+
+    SAL_INFO( "slideshow.verbose", "AnimationBaseNode info: independent subset=" <<
+              (mbIsIndependentSubset ? "y" : "n") );
+}
+#endif
+
+ActivitiesFactory::CommonParameters
+AnimationBaseNode::fillCommonParameters() const
+{
+    double nDuration = 0.0;
+
+    // TODO(F3): Duration/End handling is barely there
+    if( !(mxAnimateNode->getDuration() >>= nDuration) ) {
+        mxAnimateNode->getEnd() >>= nDuration; // Wah.
+    }
+
+    // minimal duration we fallback to (avoid 0 here!)
+    nDuration = ::std::max( 0.001, nDuration );
+
+    const bool bAutoReverse( mxAnimateNode->getAutoReverse() );
+
+    std::optional<double> aRepeats;
+    double nRepeats = 0;
+    if( mxAnimateNode->getRepeatCount() >>= nRepeats ) {
+        aRepeats = nRepeats;
+    }
+    else {
+        if( mxAnimateNode->getRepeatDuration() >>= nRepeats ) {
+            // when repeatDuration is given,
+            // autoreverse does _not_ modify the
+            // active duration. Thus, calc repeat
+            // count with already adapted simple
+            // duration (twice the specified duration)
+
+            // convert duration back to repeat counts
+            if( bAutoReverse )
+                aRepeats = nRepeats / (2.0 * nDuration);
+            else
+                aRepeats = nRepeats / nDuration;
+        }
+        else
+        {
+            // no double value for both values - Timing::INDEFINITE?
+            animations::Timing eTiming;
+
+            if( !(mxAnimateNode->getRepeatDuration() >>= eTiming) ||
+                eTiming != animations::Timing_INDEFINITE )
+            {
+                if( !(mxAnimateNode->getRepeatCount() >>= eTiming) ||
+                    eTiming != animations::Timing_INDEFINITE )
+                {
+                    // no indefinite timing, no other values given -
+                    // use simple run, i.e. repeat of 1.0
+                    aRepeats = 1.0;
+                }
+            }
+        }
+    }
+
+    // calc accel/decel:
+    double nAcceleration = 0.0;
+    double nDeceleration = 0.0;
+    BaseNodeSharedPtr const pSelf( getSelf() );
+    for ( std::shared_ptr<BaseNode> pNode( pSelf );
+          pNode; pNode = pNode->getParentNode() )
+    {
+        uno::Reference<animations::XAnimationNode> const xAnimationNode(
+            pNode->getXAnimationNode() );
+        nAcceleration = std::max( nAcceleration,
+                                  xAnimationNode->getAcceleration() );
+        nDeceleration = std::max( nDeceleration,
+                                  xAnimationNode->getDecelerate() );
+    }
+
+    EventSharedPtr pEndEvent;
+    if (pSelf) {
+        pEndEvent = makeEvent( [pSelf] () {pSelf->deactivate(); },
+            "AnimationBaseNode::deactivate");
+    }
+
+    // Calculate the minimum frame count that depends on the duration and
+    // the minimum frame count.
+    const sal_Int32 nMinFrameCount (std::clamp<sal_Int32>(
+        basegfx::fround(nDuration * FrameRate::MinimumFramesPerSecond), 1, 10));
+
+    return ActivitiesFactory::CommonParameters(
+        pEndEvent,
+        getContext().mrEventQueue,
+        getContext().mrActivitiesQueue,
+        nDuration,
+        nMinFrameCount,
+        bAutoReverse,
+        aRepeats,
+        nAcceleration,
+        nDeceleration,
+        getShape(),
+        getSlideSize());
+}
+
+AttributableShapeSharedPtr const & AnimationBaseNode::getShape() const
+{
+    // any subsetting at all?
+    if (mpShapeSubset)
+        return mpShapeSubset->getSubsetShape();
+    else
+        return mpShape; // nope, plain shape always
+}
+
+} // namespace slideshow
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationbasenode.hxx b/slideshow/source/engine/animationnodes/animationbasenode.hxx
new file mode 100644
index 000000000..c8716706c
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationbasenode.hxx
@@ -0,0 +1,99 @@
+/* -*- 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_ANIMATIONBASENODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONBASENODE_HXX
+
+#include <com/sun/star/animations/XAnimate.hpp>
+
+#include <basecontainernode.hxx>
+#include <activitiesfactory.hxx>
+#include <shapeattributelayerholder.hxx>
+#include <attributableshape.hxx>
+#include <shapesubset.hxx>
+
+namespace slideshow {
+namespace internal {
+
+/** Common base class for all leaf animation nodes.
+
+    This class basically holds the target shape
+*/
+class AnimationBaseNode : public BaseNode
+{
+public:
+    AnimationBaseNode(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        BaseContainerNodeSharedPtr const& pParent,
+        NodeContext const& rContext );
+
+#if defined(DBG_UTIL)
+    virtual void showState() const override;
+#endif
+    virtual void removeEffect() override;
+
+protected:
+    virtual void dispose() override;
+
+    css::uno::Reference<css::animations::XAnimate> const& getXAnimateNode() const
+        { return mxAnimateNode; }
+
+    /// Create parameter struct for ActivitiesFactory
+    ActivitiesFactory::CommonParameters fillCommonParameters() const;
+    ::basegfx::B2DVector const&         getSlideSize() const { return maSlideSize; }
+    AttributableShapeSharedPtr const &  getShape() const;
+
+private:
+    virtual bool hasPendingAnimation() const override;
+
+private: // state transition callbacks
+    virtual bool init_st() override;
+    virtual bool resolve_st() override;
+    virtual void activate_st() override;
+    virtual void deactivate_st( NodeState eDestState ) override;
+    virtual AnimationActivitySharedPtr createActivity() const = 0;
+
+private:
+    /** Returns true, if this is a subset animation, and
+        the subset is autogenerated (e.g. from an
+        iteration)
+    */
+    bool isDependentSubsettedShape() const
+        { return mpShapeSubset && !mbIsIndependentSubset; }
+
+private:
+    css::uno::Reference<css::animations::XAnimate>  mxAnimateNode;
+    ShapeAttributeLayerHolder                       maAttributeLayerHolder;
+    ::basegfx::B2DVector                            maSlideSize;
+    AnimationActivitySharedPtr                      mpActivity;
+
+    /// When valid, this node has a plain target shape
+    AttributableShapeSharedPtr                      mpShape;
+    /// When valid, this is a subsetted target shape
+    ShapeSubsetSharedPtr                            mpShapeSubset;
+    SubsettableShapeManagerSharedPtr                mpSubsetManager;
+    bool                                            mbPreservedVisibility;
+    bool                                            mbIsIndependentSubset;
+};
+
+} // namespace internal
+} // namespace presentation
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONBASENODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationcolornode.cxx b/slideshow/source/engine/animationnodes/animationcolornode.cxx
new file mode 100644
index 000000000..39ca961c4
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationcolornode.cxx
@@ -0,0 +1,121 @@
+/* -*- 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 <com/sun/star/animations/AnimationColorSpace.hpp>
+
+#include <coloranimation.hxx>
+#include <hslcoloranimation.hxx>
+#include "animationcolornode.hxx"
+#include <animationfactory.hxx>
+#include <activitiesfactory.hxx>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+namespace {
+/** Little wrapper for HSL to RGB mapping.
+
+    This class implements the HSLColorAnimation interface,
+    internally converting to RGB and forwarding to
+    ColorAnimation.
+*/
+class HSLWrapper : public HSLColorAnimation
+{
+public:
+    explicit HSLWrapper( const ColorAnimationSharedPtr& rAnimation )
+        : mpAnimation( rAnimation )
+    {
+        ENSURE_OR_THROW(
+            mpAnimation,
+            "HSLWrapper::HSLWrapper(): Invalid color animation delegate" );
+    }
+
+    virtual void prefetch() override
+    {}
+
+    virtual void start( const AnimatableShapeSharedPtr&     rShape,
+                        const ShapeAttributeLayerSharedPtr& rAttrLayer ) override
+    {
+        mpAnimation->start( rShape, rAttrLayer );
+    }
+
+    virtual void end() override
+    {
+        mpAnimation->end();
+    }
+
+    virtual bool operator()( const HSLColor& rColor ) override
+    {
+        return (*mpAnimation)( RGBColor( rColor ) );
+    }
+
+    virtual HSLColor getUnderlyingValue() const override
+    {
+        return HSLColor( mpAnimation->getUnderlyingValue() );
+    }
+
+private:
+    ColorAnimationSharedPtr mpAnimation;
+};
+
+} // anon namespace
+
+AnimationActivitySharedPtr AnimationColorNode::createActivity() const
+{
+    ActivitiesFactory::CommonParameters aParms( fillCommonParameters() );
+
+    switch( mxColorNode->getColorInterpolation() )
+    {
+    case animations::AnimationColorSpace::RGB:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createColorPropertyAnimation(
+                mxColorNode->getAttributeName(),
+                getShape(),
+                getContext().mpSubsettableShapeManager,
+                getSlideSize() ),
+            getXAnimateNode() );
+
+    case animations::AnimationColorSpace::HSL:
+        // Wrap a plain ColorAnimation with the HSL
+        // wrapper, which implements the HSLColorAnimation
+        // interface, and internally converts HSL to RGB color
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            std::make_shared<HSLWrapper>(
+                    AnimationFactory::createColorPropertyAnimation(
+                        mxColorNode->getAttributeName(),
+                        getShape(),
+                        getContext().mpSubsettableShapeManager,
+                        getSlideSize() )),
+            mxColorNode );
+
+    default:
+        ENSURE_OR_THROW( false, "AnimationColorNode::createColorActivity(): "
+                          "Unexpected color space" );
+    }
+
+    return AnimationActivitySharedPtr();
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationcolornode.hxx b/slideshow/source/engine/animationnodes/animationcolornode.hxx
new file mode 100644
index 000000000..6ae5f848c
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationcolornode.hxx
@@ -0,0 +1,54 @@
+/* -*- 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_ANIMATIONCOLORNODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONCOLORNODE_HXX
+
+#include "animationbasenode.hxx"
+#include <com/sun/star/animations/XAnimateColor.hpp>
+
+namespace slideshow {
+namespace internal {
+
+class AnimationColorNode : public AnimationBaseNode
+{
+public:
+    AnimationColorNode(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        ::std::shared_ptr<BaseContainerNode> const& pParent,
+        NodeContext const& rContext )
+        : AnimationBaseNode( xNode, pParent, rContext ),
+          mxColorNode( xNode, css::uno::UNO_QUERY_THROW ) {}
+
+#if defined(DBG_UTIL)
+    virtual const char* getDescription() const override { return "AnimationColorNode"; }
+#endif
+
+private:
+    virtual AnimationActivitySharedPtr createActivity() const override;
+
+    css::uno::Reference<css::animations::XAnimateColor > mxColorNode;
+};
+
+} // namespace internal
+} // namespace presentation
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONCOLORNODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationcommandnode.cxx b/slideshow/source/engine/animationnodes/animationcommandnode.cxx
new file mode 100644
index 000000000..2e8507e3a
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationcommandnode.cxx
@@ -0,0 +1,117 @@
+/* -*- 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 <com/sun/star/presentation/EffectCommands.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+
+#include "animationcommandnode.hxx"
+#include <eventmultiplexer.hxx>
+#include <delayevent.hxx>
+
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+namespace EffectCommands = css::presentation::EffectCommands;
+
+AnimationCommandNode::AnimationCommandNode( uno::Reference<animations::XAnimationNode> const& xNode,
+                                             ::std::shared_ptr<BaseContainerNode> const& pParent,
+                                             NodeContext const& rContext ) :
+    BaseNode( xNode, pParent, rContext ),
+    mpShape(),
+    mxCommandNode( xNode, css::uno::UNO_QUERY_THROW )
+{
+    uno::Reference< drawing::XShape > xShape( mxCommandNode->getTarget(),
+                                              uno::UNO_QUERY );
+    ShapeSharedPtr pShape( getContext().mpSubsettableShapeManager->lookupShape( xShape ) );
+    mpShape = ::std::dynamic_pointer_cast< IExternalMediaShapeBase >( pShape );
+}
+
+void AnimationCommandNode::dispose()
+{
+    mxCommandNode.clear();
+    mpShape.reset();
+    BaseNode::dispose();
+}
+
+void AnimationCommandNode::activate_st()
+{
+    switch( mxCommandNode->getCommand() ) {
+        // the command is user defined
+    case EffectCommands::CUSTOM: break;
+        // the command is an ole verb.
+    case EffectCommands::VERB: break;
+        // the command starts playing on a media object
+    case EffectCommands::PLAY:
+    {
+        double fMediaTime=0.0;
+        beans::PropertyValue aMediaTime;
+        if( (mxCommandNode->getParameter() >>= aMediaTime) && aMediaTime.Name == "MediaTime" )
+        {
+            aMediaTime.Value >>= fMediaTime;
+        }
+        if( mpShape )
+        {
+            mpShape->setMediaTime(fMediaTime/1000.0);
+            mpShape->play();
+        }
+        break;
+    }
+        // the command toggles the pause status on a media object
+    case EffectCommands::TOGGLEPAUSE:
+    {
+        if (mpShape)
+        {
+            if( mpShape->isPlaying() )
+                mpShape->pause();
+            else
+                mpShape->play();
+        }
+        break;
+    }
+        // the command stops the animation on a media object
+    case EffectCommands::STOP:
+    {
+        if( mpShape )
+            mpShape->stop();
+        break;
+    }
+        // the command stops all currently running sound effects
+    case EffectCommands::STOPAUDIO:
+        getContext().mrEventMultiplexer.notifyCommandStopAudio( getSelf() );
+        break;
+    }
+
+    // deactivate ASAP:
+    auto self(getSelf());
+    scheduleDeactivationEvent(
+        makeEvent( [self] () { self->deactivate(); },
+                   "AnimationCommandNode::deactivate" ) );
+}
+
+bool AnimationCommandNode::hasPendingAnimation() const
+{
+    return mxCommandNode->getCommand() == EffectCommands::STOPAUDIO || mpShape;
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationcommandnode.hxx b/slideshow/source/engine/animationnodes/animationcommandnode.hxx
new file mode 100644
index 000000000..09dcf9eb1
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationcommandnode.hxx
@@ -0,0 +1,60 @@
+/* -*- 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_ANIMATIONCOMMANDNODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONCOMMANDNODE_HXX
+
+#include <basecontainernode.hxx>
+#include <iexternalmediashapebase.hxx>
+#include <com/sun/star/animations/XCommand.hpp>
+
+namespace slideshow {
+namespace internal {
+
+/** Command node.
+
+    This animation node encapsulates a command. Not yet implemented:
+    verb & custom.
+*/
+class AnimationCommandNode : public BaseNode
+{
+public:
+    AnimationCommandNode(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        ::std::shared_ptr<BaseContainerNode> const& pParent,
+        NodeContext const& rContext );
+
+protected:
+    virtual void dispose() override;
+
+private:
+    virtual void activate_st() override;
+    virtual bool hasPendingAnimation() const override;
+
+private:
+    IExternalMediaShapeBaseSharedPtr mpShape;
+    css::uno::Reference<css::animations::XCommand > mxCommandNode;
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONCOMMANDNODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationnodefactory.cxx b/slideshow/source/engine/animationnodes/animationnodefactory.cxx
new file mode 100644
index 000000000..f9fa01b2f
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationnodefactory.cxx
@@ -0,0 +1,592 @@
+/* -*- 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 <com/sun/star/drawing/XShape.hpp>
+#include <com/sun/star/animations/AnimationNodeType.hpp>
+#include <com/sun/star/presentation/TextAnimationType.hpp>
+#include <com/sun/star/animations/XIterateContainer.hpp>
+#include <com/sun/star/presentation/ShapeAnimationSubType.hpp>
+#include <com/sun/star/presentation/ParagraphTarget.hpp>
+#include <basegfx/numeric/ftools.hxx>
+#include <sal/log.hxx>
+
+#include <animationnodefactory.hxx>
+#include "paralleltimecontainer.hxx"
+#include "sequentialtimecontainer.hxx"
+#include "propertyanimationnode.hxx"
+#include "animationsetnode.hxx"
+#include "animationpathmotionnode.hxx"
+#include "animationcolornode.hxx"
+#include "animationtransformnode.hxx"
+#include "animationtransitionfilternode.hxx"
+#include "animationaudionode.hxx"
+#include "animationcommandnode.hxx"
+#include "nodetools.hxx"
+#include <tools.hxx>
+
+#include <memory>
+
+using namespace ::com::sun::star;
+
+namespace slideshow::internal {
+
+namespace {
+
+// forward declaration needed by NodeCreator
+BaseNodeSharedPtr implCreateAnimationNode(
+    const uno::Reference< animations::XAnimationNode >&  xNode,
+    const BaseContainerNodeSharedPtr&                    rParent,
+    const NodeContext&                                   rContext );
+
+class NodeCreator
+{
+public:
+    NodeCreator( BaseContainerNodeSharedPtr&    rParent,
+                 const NodeContext&             rContext )
+        : mrParent( rParent ), mrContext( rContext ) {}
+
+    void operator()(
+        const uno::Reference< animations::XAnimationNode >& xChildNode ) const
+    {
+        createChild( xChildNode, mrContext );
+    }
+
+protected:
+    void createChild(
+        const uno::Reference< animations::XAnimationNode >&   xChildNode,
+        const NodeContext&                                    rContext ) const
+    {
+        BaseNodeSharedPtr pChild( implCreateAnimationNode( xChildNode,
+                                                           mrParent,
+                                                           rContext ) );
+
+        OSL_ENSURE( pChild,
+                    "NodeCreator::operator(): child creation failed" );
+
+        // TODO(Q1): This yields circular references, which, it seems, is
+        // unavoidable here
+        if( pChild )
+            mrParent->appendChildNode( pChild );
+    }
+
+    BaseContainerNodeSharedPtr&     mrParent;
+    const NodeContext&              mrContext;
+};
+
+/** Same as NodeCreator, only that NodeContext's
+    SubsetShape is cloned for every child node.
+
+    This is used for iterated animation node generation
+*/
+class CloningNodeCreator : private NodeCreator
+{
+public:
+    CloningNodeCreator( BaseContainerNodeSharedPtr& rParent,
+                        const NodeContext&          rContext )
+        : NodeCreator( rParent, rContext ) {}
+
+    void operator()(
+        const uno::Reference< animations::XAnimationNode >& xChildNode ) const
+    {
+        NodeContext aContext( mrContext );
+
+        // TODO(Q1): There's a catch here. If you clone a
+        // subset whose actual subsetting has already been
+        // realized (i.e. if enableSubsetShape() has been
+        // called already), and the original of your clone
+        // goes out of scope, then your subset will be
+        // gone (SubsettableShapeManager::revokeSubset() be
+        // called). As of now, this behaviour is not
+        // triggered here (we either clone, XOR we enable
+        // subset initially), but one might consider
+        // reworking DrawShape/ShapeSubset to avoid this.
+
+        // clone ShapeSubset, since each node needs their
+        // own version of the ShapeSubset (otherwise,
+        // e.g. activity counting does not work - subset
+        // would be removed after first animation node
+        // disables it).
+
+        // NOTE: this is only a problem for animation
+        // nodes that explicitly call
+        // disableSubsetShape(). Independent shape subsets
+        // (like those created for ParagraphTargets)
+        // solely rely on the ShapeSubset destructor to
+        // normalize things, which does the right thing
+        // here: the subset is only removed after _the
+        // last_ animation node releases the shared ptr.
+        aContext.mpMasterShapeSubset =
+            std::make_shared<ShapeSubset>( *aContext.mpMasterShapeSubset );
+
+        createChild( xChildNode, aContext );
+    }
+};
+
+/** Create animation nodes for text iterations
+
+    This method clones the animation nodes below xIterNode
+    for every iterated shape entity.
+*/
+bool implCreateIteratedNodes(
+    const uno::Reference< animations::XIterateContainer >&    xIterNode,
+    BaseContainerNodeSharedPtr&                               rParent,
+    const NodeContext&                                        rContext )
+{
+    ENSURE_OR_THROW( xIterNode.is(),
+                      "implCreateIteratedNodes(): Invalid node" );
+
+    const double nIntervalTimeout( xIterNode->getIterateInterval() );
+
+    // valid iterate interval? We're ruling out monstrous
+    // values here, to avoid pseudo 'hangs' in the
+    // presentation
+    if( nIntervalTimeout < 0.0 ||
+        nIntervalTimeout > 1000.0 )
+    {
+        return false; // not an active iteration
+    }
+
+    if( ::basegfx::fTools::equalZero( nIntervalTimeout ) )
+        SAL_INFO("slideshow", "implCreateIteratedNodes(): "
+                   "iterate interval close to zero, there's "
+                   "no point in defining such an effect "
+                   "(visually equivalent to whole-shape effect)" );
+
+    // Determine target shape (or subset)
+    // ==================================
+
+    // TODO(E1): I'm not too sure what to expect here...
+    ENSURE_OR_RETURN_FALSE(
+        xIterNode->getTarget().hasValue(),
+        "implCreateIteratedNodes(): no target on ITERATE node" );
+
+    uno::Reference< drawing::XShape > xTargetShape( xIterNode->getTarget(),
+                                                    uno::UNO_QUERY );
+
+    presentation::ParagraphTarget aTarget;
+    sal_Int16                     nSubItem( xIterNode->getSubItem() );
+    bool                          bParagraphTarget( false );
+
+    if( !xTargetShape.is() )
+    {
+        // no shape provided. Maybe a ParagraphTarget?
+        if( !(xIterNode->getTarget() >>= aTarget) )
+            ENSURE_OR_RETURN_FALSE(
+                false,
+                "implCreateIteratedNodes(): could not extract any "
+                "target information" );
+
+        xTargetShape = aTarget.Shape;
+
+        ENSURE_OR_RETURN_FALSE(
+            xTargetShape.is(),
+            "implCreateIteratedNodes(): invalid shape in ParagraphTarget" );
+
+        // we've a paragraph target to iterate over, thus,
+        // the whole animation container refers only to
+        // the text
+        nSubItem = presentation::ShapeAnimationSubType::ONLY_TEXT;
+
+        bParagraphTarget = true;
+    }
+
+    // Lookup shape, and fill NodeContext
+    // ==================================
+
+    AttributableShapeSharedPtr  pTargetShape(
+        lookupAttributableShape( rContext.maContext.mpSubsettableShapeManager,
+                                 xTargetShape ) );
+
+    const DocTreeNodeSupplier& rTreeNodeSupplier(
+        pTargetShape->getTreeNodeSupplier() );
+
+    ShapeSubsetSharedPtr pTargetSubset;
+
+    NodeContext aContext( rContext );
+
+    // paragraph targets already need a subset as the
+    // master shape (they're representing only a single
+    // paragraph)
+    if( bParagraphTarget )
+    {
+        ENSURE_OR_RETURN_FALSE(
+            aTarget.Paragraph >= 0 &&
+            rTreeNodeSupplier.getNumberOfTreeNodes(
+                DocTreeNode::NodeType::LogicalParagraph ) > aTarget.Paragraph,
+            "implCreateIteratedNodes(): paragraph index out of range" );
+
+        pTargetSubset =
+            std::make_shared<ShapeSubset>(
+                pTargetShape,
+                // retrieve index aTarget.Paragraph of
+                // type PARAGRAPH from this shape
+                rTreeNodeSupplier.getTreeNode(
+                    aTarget.Paragraph,
+                    DocTreeNode::NodeType::LogicalParagraph ),
+                rContext.maContext.mpSubsettableShapeManager );
+
+        // iterate target is not the whole shape, but only
+        // the selected paragraph - subset _must_ be
+        // independent, to be able to affect visibility
+        // independent of master shape
+        aContext.mbIsIndependentSubset = true;
+
+        // already enable parent subset right here, to
+        // make potentially generated subsets subtract
+        // their content from the parent subset (and not
+        // the original shape). Otherwise, already
+        // subsetted parents (e.g. paragraphs) would not
+        // have their characters removed, when the child
+        // iterations start.
+        // Furthermore, the setup of initial shape
+        // attributes of course needs the subset shape
+        // generated, to apply e.g. visibility changes.
+        pTargetSubset->enableSubsetShape();
+    }
+    else
+    {
+        pTargetSubset =
+            std::make_shared<ShapeSubset>( pTargetShape,
+                             rContext.maContext.mpSubsettableShapeManager );
+    }
+
+    aContext.mpMasterShapeSubset = pTargetSubset;
+    uno::Reference< animations::XAnimationNode > xNode( xIterNode,
+                                                        uno::UNO_QUERY_THROW );
+
+    // Generate subsets
+    // ================
+
+    if( bParagraphTarget ||
+        nSubItem != presentation::ShapeAnimationSubType::ONLY_TEXT )
+    {
+        // prepend with animations for
+        // full Shape (will be subtracted
+        // from the subset parts within
+        // the Shape::createSubset()
+        // method). For ONLY_TEXT effects,
+        // we skip this part, to animate
+        // only the text.
+
+        // OR
+
+        // prepend with subset animation for full
+        // _paragraph_, from which the individual
+        // paragraph subsets are subtracted. Note that the
+        // subitem is superfluous here, we always assume
+        // ONLY_TEXT, if a paragraph is referenced as the
+        // master of an iteration effect.
+        NodeCreator aCreator( rParent, aContext );
+        if( !for_each_childNode( xNode, aCreator ) )
+        {
+            ENSURE_OR_RETURN_FALSE(
+                false,
+                "implCreateIteratedNodes(): iterated child node creation failed" );
+        }
+    }
+
+    // TODO(F2): This does not do the correct
+    // thing. Having nSubItem be set to ONLY_BACKGROUND
+    // should result in the text staying unanimated in the
+    // foreground, while the shape moves in the background
+    // (this behaviour is perfectly possible with the
+    // slideshow engine, only that the text won't be
+    // currently visible, because animations are always in
+    // the foreground)
+    if( nSubItem != presentation::ShapeAnimationSubType::ONLY_BACKGROUND )
+    {
+        // determine type of subitem iteration (logical
+        // text unit to animate)
+        DocTreeNode::NodeType eIterateNodeType(
+            DocTreeNode::NodeType::LogicalCharacterCell );
+
+        switch( xIterNode->getIterateType() )
+        {
+        case presentation::TextAnimationType::BY_PARAGRAPH:
+            eIterateNodeType = DocTreeNode::NodeType::LogicalParagraph;
+            break;
+
+        case presentation::TextAnimationType::BY_WORD:
+            eIterateNodeType = DocTreeNode::NodeType::LogicalWord;
+            break;
+
+        case presentation::TextAnimationType::BY_LETTER:
+            eIterateNodeType = DocTreeNode::NodeType::LogicalCharacterCell;
+            break;
+
+        default:
+            ENSURE_OR_THROW(
+                false, "implCreateIteratedNodes(): "
+                "Unexpected IterateType on XIterateContainer");
+            break;
+        }
+
+        if( bParagraphTarget &&
+            eIterateNodeType != DocTreeNode::NodeType::LogicalWord &&
+            eIterateNodeType != DocTreeNode::NodeType::LogicalCharacterCell )
+        {
+            // will not animate the whole paragraph, when
+            // only the paragraph is animated at all.
+            OSL_FAIL( "implCreateIteratedNodes(): Ignoring paragraph iteration for paragraph master" );
+        }
+        else
+        {
+            // setup iteration parameters
+
+
+            // iterate target is the whole shape (or the
+            // whole parent subshape), thus, can save
+            // loads of subset shapes by generating them
+            // only when the effects become active -
+            // before and after the effect active
+            // duration, all attributes are shared by
+            // master shape and subset (since the iterated
+            // effects are all the same).
+            aContext.mbIsIndependentSubset = false;
+
+            // determine number of nodes for given subitem
+            // type
+            sal_Int32 nTreeNodes( 0 );
+            if( bParagraphTarget )
+            {
+                // create the iterated subset _relative_ to
+                // the given paragraph index (i.e. animate the
+                // given subset type, but only when it's part
+                // of the given paragraph)
+                nTreeNodes = rTreeNodeSupplier.getNumberOfSubsetTreeNodes(
+                    pTargetSubset->getSubset(),
+                    eIterateNodeType );
+            }
+            else
+            {
+                // generate normal subset
+                nTreeNodes = rTreeNodeSupplier.getNumberOfTreeNodes(
+                    eIterateNodeType );
+            }
+
+
+            // iterate node, generate copies of the children for each subset
+
+
+            // NodeContext::mnStartDelay contains additional node delay.
+            // This will make the duplicated nodes for each iteration start
+            // increasingly later.
+            aContext.mnStartDelay = nIntervalTimeout;
+
+            for( sal_Int32 i=0; i<nTreeNodes; ++i )
+            {
+                // create subset with the corresponding tree nodes
+                if( bParagraphTarget )
+                {
+                    // create subsets relative to paragraph subset
+                    aContext.mpMasterShapeSubset =
+                        std::make_shared<ShapeSubset>(
+                            pTargetSubset,
+                            rTreeNodeSupplier.getSubsetTreeNode(
+                                pTargetSubset->getSubset(),
+                                i,
+                                eIterateNodeType ) );
+                }
+                else
+                {
+                    // create subsets from main shape
+                    aContext.mpMasterShapeSubset =
+                        std::make_shared<ShapeSubset>( pTargetSubset,
+                                         rTreeNodeSupplier.getTreeNode(
+                                             i,
+                                             eIterateNodeType ) );
+                }
+
+                CloningNodeCreator aCreator( rParent, aContext );
+                if( !for_each_childNode( xNode, aCreator ) )
+                {
+                    ENSURE_OR_RETURN_FALSE(
+                        false, "implCreateIteratedNodes(): "
+                        "iterated child node creation failed" );
+                }
+
+                aContext.mnStartDelay += nIntervalTimeout;
+            }
+        }
+    }
+
+    // done with iterate child generation
+    return true;
+}
+
+BaseNodeSharedPtr implCreateAnimationNode(
+    const uno::Reference< animations::XAnimationNode >&  xNode,
+    const BaseContainerNodeSharedPtr&                    rParent,
+    const NodeContext&                                   rContext )
+{
+    ENSURE_OR_THROW( xNode.is(),
+                      "implCreateAnimationNode(): invalid XAnimationNode" );
+
+    BaseNodeSharedPtr           pCreatedNode;
+    BaseContainerNodeSharedPtr  pCreatedContainer;
+
+    // create the internal node, corresponding to xNode
+    switch( xNode->getType() )
+    {
+    case animations::AnimationNodeType::CUSTOM:
+        OSL_FAIL( "implCreateAnimationNode(): "
+                    "CUSTOM not yet implemented" );
+        return pCreatedNode;
+
+    case animations::AnimationNodeType::PAR:
+        pCreatedNode = pCreatedContainer =
+            std::make_shared<ParallelTimeContainer>( xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::ITERATE:
+        // map iterate container to ParallelTimeContainer.
+        // the iterating functionality is to be found
+        // below, (see method implCreateIteratedNodes)
+        pCreatedNode = pCreatedContainer =
+            std::make_shared<ParallelTimeContainer>( xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::SEQ:
+        pCreatedNode = pCreatedContainer =
+            std::make_shared<SequentialTimeContainer>( xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::ANIMATE:
+        pCreatedNode = std::make_shared<PropertyAnimationNode>(
+                                xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::SET:
+        pCreatedNode = std::make_shared<AnimationSetNode>(
+                                xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::ANIMATEMOTION:
+        pCreatedNode = std::make_shared<AnimationPathMotionNode>(
+                                xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::ANIMATECOLOR:
+        pCreatedNode = std::make_shared<AnimationColorNode>(
+                                xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::ANIMATETRANSFORM:
+        pCreatedNode = std::make_shared<AnimationTransformNode>(
+                                xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::TRANSITIONFILTER:
+        pCreatedNode = std::make_shared<AnimationTransitionFilterNode>(
+                                xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::AUDIO:
+        pCreatedNode = std::make_shared<AnimationAudioNode>(
+                                xNode, rParent, rContext );
+        break;
+
+    case animations::AnimationNodeType::COMMAND:
+        pCreatedNode = std::make_shared<AnimationCommandNode>(
+                                xNode, rParent, rContext );
+        break;
+
+    default:
+        OSL_FAIL( "implCreateAnimationNode(): "
+                    "invalid AnimationNodeType" );
+        return pCreatedNode;
+    }
+
+    // TODO(Q1): This yields circular references, which, it seems, is
+    // unavoidable here
+
+    // HACK: node objects need shared_ptr to themselves,
+    // which we pass them here.
+    pCreatedNode->setSelf( pCreatedNode );
+
+    // if we've got a container node object, recursively add
+    // its children
+    if( pCreatedContainer )
+    {
+        uno::Reference< animations::XIterateContainer > xIterNode(
+            xNode, uno::UNO_QUERY );
+
+        // when this node is an XIterateContainer with
+        // active iterations, this method will generate
+        // the appropriate children
+        if( xIterNode.is() )
+        {
+            // note that implCreateIteratedNodes() might
+            // choose not to generate any child nodes
+            // (e.g. when the iterate timeout is outside
+            // sensible limits). Then, no child nodes are
+            // generated at all, since typically, child
+            // node attribute are incomplete for iteration
+            // children.
+            implCreateIteratedNodes( xIterNode,
+                                     pCreatedContainer,
+                                     rContext );
+        }
+        else
+        {
+            // no iterate subset node, just plain child generation now
+            NodeCreator aCreator( pCreatedContainer, rContext );
+            if( !for_each_childNode( xNode, aCreator ) )
+            {
+                OSL_FAIL( "implCreateAnimationNode(): "
+                            "child node creation failed" );
+                return BaseNodeSharedPtr();
+            }
+        }
+    }
+
+    return pCreatedNode;
+}
+
+} // anon namespace
+
+AnimationNodeSharedPtr AnimationNodeFactory::createAnimationNode(
+    const uno::Reference< animations::XAnimationNode >&   xNode,
+    const ::basegfx::B2DVector&                           rSlideSize,
+    const SlideShowContext&                               rContext )
+{
+    ENSURE_OR_THROW(
+        xNode.is(),
+        "AnimationNodeFactory::createAnimationNode(): invalid XAnimationNode" );
+
+    return implCreateAnimationNode(
+                                  xNode,
+                                  BaseContainerNodeSharedPtr(), // no parent
+                                  NodeContext( rContext,
+                                               rSlideSize ));
+}
+
+#if defined(DBG_UTIL)
+void AnimationNodeFactory::showTree( AnimationNodeSharedPtr const & pRootNode )
+{
+    if( pRootNode )
+        DEBUG_NODES_SHOWTREE( std::dynamic_pointer_cast<BaseContainerNode>(
+                                  pRootNode).get() );
+}
+#endif
+
+} // namespace slideshow
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationpathmotionnode.cxx b/slideshow/source/engine/animationnodes/animationpathmotionnode.cxx
new file mode 100644
index 000000000..2490b6e2c
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationpathmotionnode.cxx
@@ -0,0 +1,52 @@
+/* -*- 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 "animationpathmotionnode.hxx"
+#include <animationfactory.hxx>
+
+namespace slideshow::internal {
+
+void AnimationPathMotionNode::dispose()
+{
+    mxPathMotionNode.clear();
+    AnimationBaseNode::dispose();
+}
+
+AnimationActivitySharedPtr AnimationPathMotionNode::createActivity() const
+{
+    OUString aString;
+    ENSURE_OR_THROW( (mxPathMotionNode->getPath() >>= aString),
+                      "no string-based SVG:d path found" );
+
+    ActivitiesFactory::CommonParameters const aParms( fillCommonParameters() );
+    return ActivitiesFactory::createSimpleActivity(
+        aParms,
+        AnimationFactory::createPathMotionAnimation(
+            aString,
+            mxPathMotionNode->getAdditive(),
+            getShape(),
+            getContext().mpSubsettableShapeManager,
+            getSlideSize(), 0 ),
+        true );
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationpathmotionnode.hxx b/slideshow/source/engine/animationnodes/animationpathmotionnode.hxx
new file mode 100644
index 000000000..a6a37a5b7
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationpathmotionnode.hxx
@@ -0,0 +1,57 @@
+/* -*- 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_ANIMATIONPATHMOTIONNODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONPATHMOTIONNODE_HXX
+
+#include "animationbasenode.hxx"
+#include <com/sun/star/animations/XAnimateMotion.hpp>
+
+namespace slideshow {
+namespace internal {
+
+class AnimationPathMotionNode : public AnimationBaseNode
+{
+public:
+    AnimationPathMotionNode(
+        const css::uno::Reference<css::animations::XAnimationNode >& xNode,
+        const BaseContainerNodeSharedPtr&               rParent,
+        const NodeContext&                              rContext )
+        : AnimationBaseNode( xNode, rParent, rContext ),
+          mxPathMotionNode( xNode, css::uno::UNO_QUERY_THROW ) {}
+
+#if defined(DBG_UTIL)
+    virtual const char* getDescription() const override
+        { return "AnimationPathMotionNode"; }
+#endif
+
+protected:
+    virtual void dispose() override;
+
+private:
+    virtual AnimationActivitySharedPtr createActivity() const override;
+
+    css::uno::Reference<css::animations::XAnimateMotion >  mxPathMotionNode;
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONPATHMOTIONNODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationsetnode.cxx b/slideshow/source/engine/animationnodes/animationsetnode.cxx
new file mode 100644
index 000000000..350e80fbc
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationsetnode.cxx
@@ -0,0 +1,191 @@
+/* -*- 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 <animationfactory.hxx>
+#include "setactivity.hxx"
+#include "animationsetnode.hxx"
+#include "nodetools.hxx"
+#include <tools.hxx>
+#include <delayevent.hxx>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+AnimationActivitySharedPtr AnimationSetNode::createActivity() const
+{
+    ActivitiesFactory::CommonParameters aParms( fillCommonParameters() );
+    uno::Reference<animations::XAnimate> const xAnimateNode = getXAnimateNode();
+    OUString const attrName( xAnimateNode->getAttributeName() );
+    AttributableShapeSharedPtr const pShape( getShape() );
+
+    // make deactivation a two-step procedure. Normally, we
+    // could solely rely on
+    // BaseNode::scheduleDeactivationEvent() to deactivate()
+    // us. Unfortunately, that method on the one hand ignores
+    // indefinite timing, on the other hand generates
+    // zero-timeout delays, which might get fired _before_ our
+    // set activity has taken place. Therefore, we enforce
+    // sequentiality by letting only the set activity schedule
+    // the deactivation event (and AnimationBaseNode
+    // takes care for the fact when mpActivity should be zero).
+
+    // AnimationBaseNode::fillCommonParameters() has set up
+    // immediate deactivation as default when activity ends, but
+    if (! isIndefiniteTiming( xAnimateNode->getDuration() )) {
+        std::shared_ptr<AnimationSetNode> const pSelf(
+            std::dynamic_pointer_cast<AnimationSetNode>(getSelf()) );
+        ENSURE_OR_THROW(
+            pSelf, "cannot cast getSelf() to my type!" );
+        aParms.mpEndEvent = makeEvent(
+            [pSelf] () { pSelf->scheduleDeactivationEvent(); },
+            "AnimationSetNode::scheduleDeactivationEvent");
+    }
+
+    switch (AnimationFactory::classifyAttributeName( attrName )) {
+    default:
+    case AnimationFactory::CLASS_UNKNOWN_PROPERTY:
+        ENSURE_OR_THROW(
+            false, "AnimationSetNode::createSetActivity(): "
+            "Unexpected attribute class" );
+        break;
+
+    case AnimationFactory::CLASS_NUMBER_PROPERTY:
+    {
+        NumberAnimation::ValueType aValue;
+
+        ENSURE_OR_THROW(
+            extractValue( aValue,
+                          xAnimateNode->getTo(),
+                          pShape,
+                          getSlideSize() ),
+            "AnimationSetNode::createSetActivity(): "
+            "Could not import numeric to value" );
+
+        return makeSetActivity(
+            aParms,
+            AnimationFactory::createNumberPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(),
+                AnimationFactory::FLAG_NO_SPRITE ),
+            aValue );
+    }
+
+    case AnimationFactory::CLASS_ENUM_PROPERTY:
+    {
+        EnumAnimation::ValueType aValue;
+
+        ENSURE_OR_THROW(
+            extractValue( aValue,
+                          xAnimateNode->getTo(),
+                          pShape,
+                          getSlideSize() ),
+            "AnimationSetNode::createSetActivity(): "
+            "Could not import enum to value" );
+
+        return makeSetActivity(
+            aParms,
+            AnimationFactory::createEnumPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(),
+                AnimationFactory::FLAG_NO_SPRITE ),
+            aValue );
+    }
+
+    case AnimationFactory::CLASS_COLOR_PROPERTY:
+    {
+        ColorAnimation::ValueType aValue;
+
+        ENSURE_OR_THROW(
+            extractValue( aValue,
+                          xAnimateNode->getTo(),
+                          pShape,
+                          getSlideSize() ),
+            "AnimationSetNode::createSetActivity(): "
+            "Could not import color to value" );
+
+        return makeSetActivity(
+            aParms,
+            AnimationFactory::createColorPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(),
+                AnimationFactory::FLAG_NO_SPRITE ),
+            aValue );
+    }
+
+    case AnimationFactory::CLASS_STRING_PROPERTY:
+    {
+        StringAnimation::ValueType aValue;
+
+        ENSURE_OR_THROW(
+            extractValue( aValue,
+                          xAnimateNode->getTo(),
+                          pShape,
+                          getSlideSize() ),
+            "AnimationSetNode::createSetActivity(): "
+            "Could not import string to value" );
+
+        return makeSetActivity(
+            aParms,
+            AnimationFactory::createStringPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(),
+                AnimationFactory::FLAG_NO_SPRITE ),
+            aValue );
+    }
+
+    case AnimationFactory::CLASS_BOOL_PROPERTY:
+    {
+        BoolAnimation::ValueType aValue;
+
+        ENSURE_OR_THROW(
+            extractValue( aValue,
+                          xAnimateNode->getTo(),
+                          pShape,
+                          getSlideSize() ),
+            "AnimationSetNode::createSetActivity(): "
+            "Could not import bool to value" );
+
+        return makeSetActivity(
+            aParms,
+            AnimationFactory::createBoolPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(),
+                AnimationFactory::FLAG_NO_SPRITE ),
+            aValue );
+    }
+    }
+
+    return AnimationActivitySharedPtr();
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationsetnode.hxx b/slideshow/source/engine/animationnodes/animationsetnode.hxx
new file mode 100644
index 000000000..9c3937747
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationsetnode.hxx
@@ -0,0 +1,49 @@
+/* -*- 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_ANIMATIONSETNODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONSETNODE_HXX
+
+#include "animationbasenode.hxx"
+
+namespace slideshow {
+namespace internal {
+
+class AnimationSetNode : public AnimationBaseNode
+{
+public:
+    AnimationSetNode(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        ::std::shared_ptr<BaseContainerNode> const& pParent,
+        NodeContext const& rContext )
+        : AnimationBaseNode( xNode, pParent, rContext ) {}
+
+#if defined(DBG_UTIL)
+    virtual const char* getDescription() const override { return "AnimationSetNode"; }
+#endif
+
+private:
+    virtual AnimationActivitySharedPtr createActivity() const override;
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONSETNODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationtransformnode.cxx b/slideshow/source/engine/animationnodes/animationtransformnode.cxx
new file mode 100644
index 000000000..b8019d77e
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationtransformnode.cxx
@@ -0,0 +1,97 @@
+/* -*- 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 <com/sun/star/animations/AnimationTransformType.hpp>
+
+#include "animationtransformnode.hxx"
+#include <animationfactory.hxx>
+#include <activitiesfactory.hxx>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+void AnimationTransformNode::dispose()
+{
+    mxTransformNode.clear();
+    AnimationBaseNode::dispose();
+}
+
+AnimationActivitySharedPtr AnimationTransformNode::createActivity() const
+{
+    ActivitiesFactory::CommonParameters aParms( fillCommonParameters() );
+
+    const sal_Int16 nTransformType( mxTransformNode->getTransformType() );
+
+    const AttributableShapeSharedPtr& rShape( getShape() );
+
+    switch( nTransformType )
+    {
+    default:
+        ENSURE_OR_THROW(
+            false, "AnimationTransformNode::createTransformActivity(): "
+            "Unknown transform type" );
+
+    case animations::AnimationTransformType::TRANSLATE:
+    case animations::AnimationTransformType::SCALE:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createPairPropertyAnimation(
+                rShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(),
+                nTransformType, 0 ),
+            getXAnimateNode() );
+
+    case animations::AnimationTransformType::ROTATE:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createNumberPropertyAnimation(
+                "Rotate",
+                rShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize() ),
+            getXAnimateNode() );
+
+    case animations::AnimationTransformType::SKEWX:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createNumberPropertyAnimation(
+                "SkewX",
+                rShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize() ),
+            getXAnimateNode() );
+
+    case animations::AnimationTransformType::SKEWY:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createNumberPropertyAnimation(
+                "SkewY",
+                rShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize() ),
+            getXAnimateNode() );
+    }
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationtransformnode.hxx b/slideshow/source/engine/animationnodes/animationtransformnode.hxx
new file mode 100644
index 000000000..b664fcb32
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationtransformnode.hxx
@@ -0,0 +1,58 @@
+/* -*- 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_ANIMATIONTRANSFORMNODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONTRANSFORMNODE_HXX
+
+#include "animationbasenode.hxx"
+#include <com/sun/star/animations/XAnimateTransform.hpp>
+
+namespace slideshow {
+namespace internal {
+
+class AnimationTransformNode : public AnimationBaseNode
+{
+public:
+    AnimationTransformNode(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        ::std::shared_ptr<BaseContainerNode> const& pParent,
+        NodeContext const& rContext )
+        : AnimationBaseNode( xNode, pParent, rContext ),
+          mxTransformNode( xNode, css::uno::UNO_QUERY_THROW ) {}
+
+#if defined(DBG_UTIL)
+    virtual const char* getDescription() const override
+        { return "AnimationTransformNode"; }
+#endif
+
+protected:
+    virtual void dispose() override;
+
+private:
+    virtual AnimationActivitySharedPtr createActivity() const override;
+
+    css::uno::Reference<css::animations::XAnimateTransform >   mxTransformNode;
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONTRANSFORMNODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationtransitionfilternode.cxx b/slideshow/source/engine/animationnodes/animationtransitionfilternode.cxx
new file mode 100644
index 000000000..13a62d89b
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationtransitionfilternode.cxx
@@ -0,0 +1,45 @@
+/* -*- 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 "animationtransitionfilternode.hxx"
+#include <transitionfactory.hxx>
+
+namespace slideshow::internal {
+
+void AnimationTransitionFilterNode::dispose()
+{
+    mxTransitionFilterNode.clear();
+    AnimationBaseNode::dispose();
+}
+
+AnimationActivitySharedPtr
+AnimationTransitionFilterNode::createActivity() const
+{
+    return TransitionFactory::createShapeTransition(
+        fillCommonParameters(),
+        getShape(),
+        getContext().mpSubsettableShapeManager,
+        getSlideSize(),
+        mxTransitionFilterNode );
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/animationtransitionfilternode.hxx b/slideshow/source/engine/animationnodes/animationtransitionfilternode.hxx
new file mode 100644
index 000000000..6790e9d22
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationtransitionfilternode.hxx
@@ -0,0 +1,59 @@
+/* -*- 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_ANIMATIONTRANSITIONFILTERNODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONTRANSITIONFILTERNODE_HXX
+
+#include "animationbasenode.hxx"
+#include <com/sun/star/animations/XTransitionFilter.hpp>
+
+namespace slideshow {
+namespace internal {
+
+class AnimationTransitionFilterNode : public AnimationBaseNode
+{
+public:
+    AnimationTransitionFilterNode(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        ::std::shared_ptr<BaseContainerNode> const& pParent,
+        NodeContext const& rContext )
+        : AnimationBaseNode( xNode, pParent, rContext ),
+          mxTransitionFilterNode( xNode, css::uno::UNO_QUERY_THROW)
+        {}
+
+#if OSL_DEBUG_LEVEL >= 2
+    virtual const char* getDescription() const
+        { return "AnimationTransitionFilterNode"; }
+#endif
+
+protected:
+    virtual void dispose() override;
+
+private:
+    virtual AnimationActivitySharedPtr createActivity() const override;
+
+    css::uno::Reference<css::animations::XTransitionFilter> mxTransitionFilterNode;
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_ANIMATIONTRANSITIONFILTERNODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/basecontainernode.cxx b/slideshow/source/engine/animationnodes/basecontainernode.cxx
new file mode 100644
index 000000000..cde434f3d
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/basecontainernode.cxx
@@ -0,0 +1,221 @@
+/* -*- 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 <basecontainernode.hxx>
+#include <com/sun/star/animations/AnimationRestart.hpp>
+#include <com/sun/star/animations/AnimationFill.hpp>
+#include <eventqueue.hxx>
+#include "nodetools.hxx"
+#include <delayevent.hxx>
+#include <sal/log.hxx>
+
+#include <functional>
+#include <algorithm>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+namespace {
+bool isRepeatIndefinite(const uno::Reference<animations::XAnimationNode>& xNode)
+{
+    return xNode->getRepeatCount().hasValue() && isIndefiniteTiming(xNode->getRepeatCount());
+}
+
+bool isRestart(const uno::Reference<animations::XAnimationNode>& xNode)
+{
+    sal_Int16 nRestart = xNode->getRestart();
+    return nRestart == animations::AnimationRestart::WHEN_NOT_ACTIVE ||
+        nRestart == animations::AnimationRestart::ALWAYS;
+}
+}
+
+BaseContainerNode::BaseContainerNode(
+    const uno::Reference< animations::XAnimationNode >&     xNode,
+    const BaseContainerNodeSharedPtr&                       rParent,
+    const NodeContext&                                      rContext )
+    : BaseNode( xNode, rParent, rContext ),
+      maChildren(),
+      mnFinishedChildren(0),
+      mnLeftIterations(0),
+      mbRepeatIndefinite(isRepeatIndefinite(xNode)),
+      mbRestart(isRestart(xNode)),
+      mbDurationIndefinite( isIndefiniteTiming( xNode->getEnd() ) &&
+                            isIndefiniteTiming( xNode->getDuration() ) )
+{
+}
+
+void BaseContainerNode::dispose()
+{
+    forEachChildNode( std::mem_fn(&Disposable::dispose), -1 );
+    maChildren.clear();
+    BaseNode::dispose();
+}
+
+bool BaseContainerNode::init_st()
+{
+   if( !(getXAnimationNode()->getRepeatCount() >>= mnLeftIterations) )
+        mnLeftIterations = 1.0;
+   return init_children();
+}
+
+bool BaseContainerNode::init_children()
+{
+    mnFinishedChildren = 0;
+
+    // initialize all children
+    return (std::count_if(
+                maChildren.begin(), maChildren.end(),
+                std::mem_fn(&AnimationNode::init) ) ==
+            static_cast<VectorOfNodes::difference_type>(maChildren.size()));
+}
+
+void BaseContainerNode::deactivate_st( NodeState eDestState )
+{
+    mnLeftIterations = 0; // in order to make skip effect work correctly
+    if (eDestState == FROZEN) {
+        // deactivate all children that are not FROZEN or ENDED:
+        forEachChildNode( std::mem_fn(&AnimationNode::deactivate),
+                          ~(FROZEN | ENDED) );
+    }
+    else {
+        // end all children that are not ENDED:
+        forEachChildNode( std::mem_fn(&AnimationNode::end), ~ENDED );
+    }
+}
+
+bool BaseContainerNode::hasPendingAnimation() const
+{
+    // does any of our children returns "true" on
+    // AnimationNode::hasPendingAnimation()?
+    // If yes, we, too, return true
+    return std::any_of(
+                maChildren.begin(), maChildren.end(),
+                std::mem_fn(&AnimationNode::hasPendingAnimation) );
+}
+
+void BaseContainerNode::appendChildNode( AnimationNodeSharedPtr const& pNode )
+{
+    if (! checkValidNode())
+        return;
+
+    // register derived classes as end listeners at all children.
+    // this is necessary to control the children animation
+    // sequence, and to determine our own end event
+    if (pNode->registerDeactivatingListener( getSelf() )) {
+        maChildren.push_back( pNode );
+    }
+}
+
+bool BaseContainerNode::isChildNode( AnimationNodeSharedPtr const& pNode ) const
+{
+    // find given notifier in child vector
+    VectorOfNodes::const_iterator const iEnd( maChildren.end() );
+    VectorOfNodes::const_iterator const iFind(
+        std::find( maChildren.begin(), iEnd, pNode ) );
+    return (iFind != iEnd);
+}
+
+bool BaseContainerNode::notifyDeactivatedChild(
+    AnimationNodeSharedPtr const& pChildNode )
+{
+    OSL_ASSERT( pChildNode->getState() == FROZEN ||
+                pChildNode->getState() == ENDED );
+    // early exit on invalid nodes
+    OSL_ASSERT( getState() != INVALID );
+    if( getState() == INVALID )
+        return false;
+
+    if (! isChildNode(pChildNode)) {
+        OSL_FAIL( "unknown notifier!" );
+        return false;
+    }
+
+    std::size_t const nSize = maChildren.size();
+    OSL_ASSERT( mnFinishedChildren < nSize );
+    ++mnFinishedChildren;
+    bool bFinished = (mnFinishedChildren >= nSize);
+
+    // Handle repetition here.
+    if (bFinished) {
+        if(!mbRepeatIndefinite && mnLeftIterations >= 1.0)
+        {
+            mnLeftIterations -= 1.0;
+        }
+        if(mnLeftIterations >= 1.0 || mbRestart)
+        {
+            // SMIL spec said that "Accumulate" controls whether or not the animation
+            // is cumulative, but XTimeContainer do not have this attribute, so always
+            // remove the effect before next repeat.
+            forEachChildNode(std::mem_fn(&AnimationNode::removeEffect), -1);
+
+            if (mnLeftIterations >= 1.0)
+                bFinished = false;
+
+            EventSharedPtr aRepetitionEvent =
+                    makeDelay( [this] () { this->repeat(); },
+                               0.0,
+                               "BaseContainerNode::repeat");
+            getContext().mrEventQueue.addEvent( aRepetitionEvent );
+        }
+        else if (isDurationIndefinite())
+        {
+            if (getFillMode() == animations::AnimationFill::REMOVE)
+                forEachChildNode(std::mem_fn(&AnimationNode::removeEffect), -1);
+            deactivate();
+        }
+    }
+
+    return bFinished;
+}
+
+void BaseContainerNode::repeat()
+{
+    // Prevent repeat event scheduled before deactivation.
+    if (getState() == FROZEN || getState() == ENDED)
+        return;
+
+    forEachChildNode( std::mem_fn(&AnimationNode::end), ~ENDED );
+    bool bState = init_children();
+    if( bState )
+        activate_st();
+}
+
+#if defined(DBG_UTIL)
+void BaseContainerNode::showState() const
+{
+    for(const auto & i : maChildren)
+    {
+        BaseNodeSharedPtr pNode =
+            std::dynamic_pointer_cast<BaseNode>(i);
+        SAL_INFO("slideshow.verbose",
+                 "Node connection: n" <<
+                 debugGetNodeName(this) <<
+                 " -> n" <<
+                 debugGetNodeName(pNode.get()));
+        pNode->showState();
+    }
+
+    BaseNode::showState();
+}
+#endif
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/basenode.cxx b/slideshow/source/engine/animationnodes/basenode.cxx
new file mode 100644
index 000000000..1b8a6d7fd
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/basenode.cxx
@@ -0,0 +1,751 @@
+/* -*- 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 <com/sun/star/animations/XAnimate.hpp>
+#include <com/sun/star/presentation/ParagraphTarget.hpp>
+#include <com/sun/star/animations/AnimationFill.hpp>
+#include <com/sun/star/animations/AnimationRestart.hpp>
+#include <com/sun/star/presentation/EffectNodeType.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+
+#include <basenode.hxx>
+#include <eventmultiplexer.hxx>
+#include <basecontainernode.hxx>
+#include <eventqueue.hxx>
+#include <delayevent.hxx>
+#include <tools.hxx>
+#include "nodetools.hxx"
+#include "generateevent.hxx"
+
+#include <sal/log.hxx>
+
+#include <vector>
+#include <algorithm>
+
+using namespace ::com::sun::star;
+
+namespace slideshow::internal {
+
+namespace {
+
+typedef int StateTransitionTable[17];
+
+// State transition tables
+// =========================================================================
+
+const int* getStateTransitionTable( sal_Int16 nRestartMode,
+                                    sal_Int16 nFillMode )
+{
+    // TODO(F2): restart issues in below tables
+
+    // transition table for restart=NEVER, fill=REMOVE
+    static const StateTransitionTable stateTransitionTable_Never_Remove = {
+        AnimationNode::INVALID,
+        AnimationNode::RESOLVED|AnimationNode::ENDED,   // active successors for UNRESOLVED
+        AnimationNode::ACTIVE|AnimationNode::ENDED,     // active successors for RESOLVED
+        AnimationNode::INVALID,
+        AnimationNode::ENDED,                           // active successors for ACTIVE: no freeze here
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,                         // active successors for FROZEN: this state is unreachable here
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED                            // active successors for ENDED: this state is a sink here (cannot restart)
+    };
+
+    // transition table for restart=WHEN_NOT_ACTIVE, fill=REMOVE
+    static const StateTransitionTable stateTransitionTable_NotActive_Remove = {
+        AnimationNode::INVALID,
+        AnimationNode::RESOLVED|AnimationNode::ENDED,                       // active successors for UNRESOLVED
+        AnimationNode::ACTIVE|AnimationNode::ENDED,                         // active successors for RESOLVED
+        AnimationNode::INVALID,
+        AnimationNode::ENDED,                                               // active successors for ACTIVE: no freeze here
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,                                             // active successors for FROZEN:
+                                                                            // this state is unreachable here
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED|AnimationNode::RESOLVED|AnimationNode::ACTIVE  // active successors for ENDED:
+                                                                            // restart possible when ended
+    };
+
+    // transition table for restart=ALWAYS, fill=REMOVE
+    static const StateTransitionTable stateTransitionTable_Always_Remove = {
+        AnimationNode::INVALID,
+        AnimationNode::RESOLVED|AnimationNode::ENDED,                       // active successors for UNRESOLVED
+        AnimationNode::ACTIVE|AnimationNode::ENDED,                         // active successors for RESOLVED
+        AnimationNode::INVALID,
+        AnimationNode::ENDED|AnimationNode::ACTIVE|AnimationNode::RESOLVED, // active successors for ACTIVE: restart
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,                                             // active successors for FROZEN:
+                                                                            // this state is unreachable here
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED|AnimationNode::ACTIVE|AnimationNode::RESOLVED  // active successors for ENDED: restart
+    };
+
+    // transition table for restart=NEVER, fill=FREEZE
+    static const StateTransitionTable stateTransitionTable_Never_Freeze = {
+        AnimationNode::INVALID,
+        AnimationNode::RESOLVED|AnimationNode::ENDED,   // active successors for UNRESOLVED
+        AnimationNode::ACTIVE|AnimationNode::ENDED,     // active successors for RESOLVED
+        AnimationNode::INVALID,
+        AnimationNode::FROZEN|AnimationNode::ENDED,     // active successors for ACTIVE: freeze object
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED,                           // active successors for FROZEN: end
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED,                           // active successors for ENDED: this state is a sink here (cannot restart)
+    };
+
+    // transition table for restart=WHEN_NOT_ACTIVE, fill=FREEZE
+    static const StateTransitionTable stateTransitionTable_NotActive_Freeze = {
+        AnimationNode::INVALID,
+        AnimationNode::RESOLVED|AnimationNode::ENDED,                       // active successors for UNRESOLVED
+        AnimationNode::ACTIVE|AnimationNode::ENDED,                         // active successors for RESOLVED
+        AnimationNode::INVALID,
+        AnimationNode::FROZEN|AnimationNode::ENDED,                         // active successors for ACTIVE: freeze object
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED|AnimationNode::RESOLVED|AnimationNode::ACTIVE, // active successors for FROZEN:
+                                                                            // restart possible when ended
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED|AnimationNode::RESOLVED|AnimationNode::ACTIVE  // active successors for ENDED:
+                                                                            // restart possible when ended
+    };
+
+    // transition table for restart=ALWAYS, fill=FREEZE
+    static const StateTransitionTable stateTransitionTable_Always_Freeze = {
+        AnimationNode::INVALID,
+        AnimationNode::RESOLVED|AnimationNode::ENDED,                       // active successors for UNRESOLVED
+        AnimationNode::ACTIVE|AnimationNode::ENDED,                         // active successors for RESOLVED
+        AnimationNode::INVALID,
+        AnimationNode::FROZEN|AnimationNode::ENDED|AnimationNode::ACTIVE|AnimationNode::RESOLVED, // active successors for ACTIVE:
+                                                                                                  // end object, restart
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED|AnimationNode::RESOLVED|AnimationNode::ACTIVE, // active successors for FROZEN: restart possible
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::INVALID,
+        AnimationNode::ENDED|AnimationNode::ACTIVE|AnimationNode::RESOLVED  // active successors for ENDED: restart
+    };
+
+    static const StateTransitionTable* tableGuide[] = {
+        &stateTransitionTable_Never_Remove,
+        &stateTransitionTable_NotActive_Remove,
+        &stateTransitionTable_Always_Remove,
+        &stateTransitionTable_Never_Freeze,
+        &stateTransitionTable_NotActive_Freeze,
+        &stateTransitionTable_Always_Freeze
+    };
+
+    int nRestartValue;
+    switch( nRestartMode ) {
+    default:
+    case animations::AnimationRestart::DEFAULT:
+        // same value: animations::AnimationRestart::INHERIT:
+        OSL_FAIL(
+            "getStateTransitionTable(): unexpected case for restart" );
+        [[fallthrough]];
+    case animations::AnimationRestart::NEVER:
+        nRestartValue = 0;
+        break;
+    case animations::AnimationRestart::WHEN_NOT_ACTIVE:
+        nRestartValue = 1;
+        break;
+    case animations::AnimationRestart::ALWAYS:
+        nRestartValue = 2;
+        break;
+    }
+
+    int nFillValue;
+    switch( nFillMode ) {
+    default:
+    case animations::AnimationFill::AUTO:
+    case animations::AnimationFill::DEFAULT:
+        // same value: animations::AnimationFill::INHERIT:
+        OSL_FAIL(
+            "getStateTransitionTable(): unexpected case for fill" );
+        [[fallthrough]];
+    case animations::AnimationFill::REMOVE:
+        nFillValue = 0;
+        break;
+    case animations::AnimationFill::FREEZE:
+    case animations::AnimationFill::HOLD:
+    case animations::AnimationFill::TRANSITION:
+        nFillValue = 1;
+        break;
+    }
+
+    return *tableGuide[ 3*nFillValue + nRestartValue ];
+}
+
+/// Little helper predicate, to detect main sequence root node
+bool isMainSequenceRootNode_(
+    const uno::Reference< animations::XAnimationNode >& xNode )
+{
+    // detect main sequence root node (need that for
+    // end-of-mainsequence signalling below)
+    beans::NamedValue const aSearchKey(
+        "node-type",
+        uno::makeAny( presentation::EffectNodeType::MAIN_SEQUENCE ) );
+
+    uno::Sequence<beans::NamedValue> const userData(xNode->getUserData());
+    return findNamedValue( userData, aSearchKey );
+}
+
+} // anon namespace
+
+// BaseNode implementation
+//=========================================================================
+
+/** state transition handling
+ */
+class BaseNode::StateTransition
+{
+public:
+    enum class Options { NONE, FORCE };
+
+    explicit StateTransition( BaseNode * pNode )
+        : mpNode(pNode), meToState(INVALID) {}
+
+    ~StateTransition() {
+        clear();
+    }
+
+    StateTransition(const StateTransition&) = delete;
+    StateTransition& operator=(const StateTransition&) = delete;
+
+    bool enter( NodeState eToState, Options options = Options::NONE )
+    {
+        OSL_ENSURE( meToState == INVALID,
+                    "### commit() before enter()ing again!" );
+        if (meToState != INVALID)
+            return false;
+        bool const bForce = options == Options::FORCE;
+        if (!bForce && !mpNode->isTransition( mpNode->meCurrState, eToState ))
+            return false;
+        // recursion detection:
+        if ((mpNode->meCurrentStateTransition & eToState) != 0)
+            return false; // already in wanted transition
+        // mark transition:
+        mpNode->meCurrentStateTransition |= eToState;
+        meToState = eToState;
+        return true; // in transition
+    }
+
+    void commit() {
+        OSL_ENSURE( meToState != INVALID, "### nothing to commit!" );
+        if (meToState != INVALID) {
+            mpNode->meCurrState = meToState;
+            clear();
+        }
+    }
+
+    void clear() {
+        if (meToState != INVALID) {
+            OSL_ASSERT( (mpNode->meCurrentStateTransition & meToState) != 0 );
+            mpNode->meCurrentStateTransition &= ~meToState;
+            meToState = INVALID;
+        }
+    }
+
+private:
+    BaseNode *const mpNode;
+    NodeState meToState;
+};
+
+BaseNode::BaseNode( const uno::Reference< animations::XAnimationNode >& xNode,
+                    const BaseContainerNodeSharedPtr&                   rParent,
+                    const NodeContext&                                  rContext ) :
+    maContext( rContext.maContext ),
+    maDeactivatingListeners(),
+    mxAnimationNode( xNode ),
+    mpParent( rParent ),
+    mpSelf(),
+    mpStateTransitionTable( nullptr ),
+    mnStartDelay( rContext.mnStartDelay ),
+    meCurrState( UNRESOLVED ),
+    meCurrentStateTransition( 0 ),
+    mpCurrentEvent(),
+    mbIsMainSequenceRootNode( isMainSequenceRootNode_( xNode ) )
+{
+    ENSURE_OR_THROW( mxAnimationNode.is(),
+                      "BaseNode::BaseNode(): Invalid XAnimationNode" );
+
+    // setup state transition table
+    mpStateTransitionTable = getStateTransitionTable( getRestartMode(),
+                                                      getFillMode() );
+}
+
+void BaseNode::dispose()
+{
+    meCurrState = INVALID;
+
+    // discharge a loaded event, if any:
+    if (mpCurrentEvent) {
+        mpCurrentEvent->dispose();
+        mpCurrentEvent.reset();
+    }
+    maDeactivatingListeners.clear();
+    mxAnimationNode.clear();
+    mpParent.reset();
+    mpSelf.reset();
+    maContext.dispose();
+}
+
+
+sal_Int16 BaseNode::getRestartMode()
+{
+    const sal_Int16 nTmp( mxAnimationNode->getRestart() );
+    return nTmp != animations::AnimationRestart::DEFAULT
+        ? nTmp : getRestartDefaultMode();
+}
+
+sal_Int16 BaseNode::getFillMode()
+{
+    const sal_Int16 nTmp( mxAnimationNode->getFill() );
+    const sal_Int16 nFill(nTmp != animations::AnimationFill::DEFAULT
+                          ? nTmp : getFillDefaultMode());
+
+    // For AUTO fill mode, SMIL specifies that fill mode is FREEZE,
+    // if no explicit active duration is given
+    // (no duration, end, repeatCount or repeatDuration given),
+    // and REMOVE otherwise
+    if( nFill == animations::AnimationFill::AUTO ) {
+        return (isIndefiniteTiming( mxAnimationNode->getDuration() ) &&
+                isIndefiniteTiming( mxAnimationNode->getEnd() ) &&
+                !mxAnimationNode->getRepeatCount().hasValue() &&
+                isIndefiniteTiming( mxAnimationNode->getRepeatDuration() ))
+            ? animations::AnimationFill::FREEZE
+            : animations::AnimationFill::REMOVE;
+    }
+    else {
+        return nFill;
+    }
+}
+
+sal_Int16 BaseNode::getFillDefaultMode() const
+{
+    sal_Int16 nFillDefault = mxAnimationNode->getFillDefault();
+    if (nFillDefault  == animations::AnimationFill::DEFAULT) {
+        nFillDefault = (mpParent != nullptr
+                        ? mpParent->getFillDefaultMode()
+                        : animations::AnimationFill::AUTO);
+    }
+    return nFillDefault;
+}
+
+sal_Int16 BaseNode::getRestartDefaultMode() const
+{
+    sal_Int16 nRestartDefaultMode = mxAnimationNode->getRestartDefault();
+    if (nRestartDefaultMode == animations::AnimationRestart::DEFAULT) {
+        nRestartDefaultMode = (mpParent != nullptr
+                               ? mpParent->getRestartDefaultMode()
+                               : animations::AnimationRestart::ALWAYS);
+    }
+    return nRestartDefaultMode;
+}
+
+uno::Reference<animations::XAnimationNode> BaseNode::getXAnimationNode() const
+{
+    return mxAnimationNode;
+}
+
+bool BaseNode::init()
+{
+    if (! checkValidNode())
+        return false;
+    meCurrState = UNRESOLVED;
+    // discharge a loaded event, if any:
+    if (mpCurrentEvent) {
+        mpCurrentEvent->dispose();
+        mpCurrentEvent.reset();
+    }
+    return init_st(); // may call derived class
+}
+
+bool BaseNode::init_st()
+{
+    return true;
+}
+
+bool BaseNode::resolve()
+{
+    if (! checkValidNode())
+        return false;
+
+    OSL_ASSERT( meCurrState != RESOLVED );
+    if (inStateOrTransition( RESOLVED ))
+        return true;
+
+    StateTransition st(this);
+    if (st.enter( RESOLVED ) &&
+        isTransition( RESOLVED, ACTIVE ) &&
+        resolve_st() /* may call derived class */)
+    {
+        st.commit(); // changing state
+
+        // discharge a loaded event, if any:
+        if (mpCurrentEvent)
+            mpCurrentEvent->dispose();
+
+        // schedule activation event:
+
+        // This method takes the NodeContext::mnStartDelay value into account,
+        // to cater for iterate container time shifts. We cannot put different
+        // iterations of the iterate container's children into different
+        // subcontainer (such as a 'DelayContainer', which delays resolving its
+        // children by a fixed amount), since all iterations' nodes must be
+        // resolved at the same time (otherwise, the delayed subset creation
+        // will not work, i.e. deactivate the subsets too late in the master
+        // shape).
+        uno::Any const aBegin( mxAnimationNode->getBegin() );
+        if (aBegin.hasValue()) {
+            auto self(mpSelf);
+            mpCurrentEvent = generateEvent(
+                aBegin, [self] () { self->activate(); },
+                maContext, mnStartDelay );
+        }
+        else {
+            // For some leaf nodes, PPT import yields empty begin time,
+            // although semantically, it should be 0.0
+            // TODO(F3): That should really be provided by the PPT import
+
+            // schedule delayed activation event. Take iterate node
+            // timeout into account
+            auto self(mpSelf);
+            mpCurrentEvent = makeDelay(
+                [self] () { self->activate(); },
+                mnStartDelay,
+                "AnimationNode::activate with delay");
+            maContext.mrEventQueue.addEvent( mpCurrentEvent );
+        }
+
+        return true;
+    }
+    return false;
+}
+
+bool BaseNode::resolve_st()
+{
+    return true;
+}
+
+
+void BaseNode::activate()
+{
+    if (! checkValidNode())
+        return;
+
+    OSL_ASSERT( meCurrState != ACTIVE );
+    if (inStateOrTransition( ACTIVE ))
+        return;
+
+    StateTransition st(this);
+    if (st.enter( ACTIVE )) {
+
+        activate_st(); // calling derived class
+
+        st.commit(); // changing state
+
+        maContext.mrEventMultiplexer.notifyAnimationStart( mpSelf );
+    }
+}
+
+void BaseNode::activate_st()
+{
+    scheduleDeactivationEvent();
+}
+
+void BaseNode::scheduleDeactivationEvent( EventSharedPtr const& pEvent )
+{
+    if (mpCurrentEvent) {
+        mpCurrentEvent->dispose();
+        mpCurrentEvent.reset();
+    }
+    if (pEvent) {
+        if (maContext.mrEventQueue.addEvent( pEvent ))
+            mpCurrentEvent = pEvent;
+    }
+    else {
+        // This method need not take the
+        // NodeContext::mnStartDelay value into account,
+        // because the deactivation event is only scheduled
+        // when the effect is started: the timeout is then
+        // already respected.
+
+        // xxx todo:
+        // think about set node, anim base node!
+        // if anim base node has no activity, this is called to schedule deactivation,
+        // but what if it does not schedule anything?
+
+        auto self(mpSelf);
+        if (mxAnimationNode->getEnd().hasValue())
+        {
+            // TODO: We may need to calculate the duration if the end value is numeric.
+            // We expect that the end value contains EventTrigger::ON_NEXT here.
+            // LibreOffice does not generate numeric values, so we can leave it
+            // until we find a test case.
+            mpCurrentEvent = generateEvent(
+                mxAnimationNode->getEnd(),
+                [self] () { self->deactivate(); },
+                maContext, 0.0 );
+
+        }
+        else
+        {
+            mpCurrentEvent = generateEvent(
+                mxAnimationNode->getDuration(),
+                [self] () { self->deactivate(); },
+                maContext, 0.0 );
+        }
+    }
+}
+
+void BaseNode::deactivate()
+{
+    if (inStateOrTransition( ENDED | FROZEN ) || !checkValidNode())
+        return;
+
+    if (isTransition( meCurrState, FROZEN, false /* no OSL_ASSERT */ )) {
+        // do transition to FROZEN:
+        StateTransition st(this);
+        if (st.enter( FROZEN, StateTransition::Options::FORCE )) {
+
+            deactivate_st( FROZEN );
+            st.commit();
+
+            notifyEndListeners();
+
+            // discharge a loaded event, before going on:
+            if (mpCurrentEvent) {
+                mpCurrentEvent->dispose();
+                mpCurrentEvent.reset();
+            }
+        }
+    }
+    else {
+        // use end instead:
+        end();
+    }
+    // state has changed either to FROZEN or ENDED
+}
+
+void BaseNode::deactivate_st( NodeState )
+{
+}
+
+void BaseNode::end()
+{
+    bool const bIsFrozenOrInTransitionToFrozen = inStateOrTransition( FROZEN );
+    if (inStateOrTransition( ENDED ) || !checkValidNode())
+        return;
+
+    // END must always be reachable. If not, that's an error in the
+    // transition tables
+    OSL_ENSURE( isTransition( meCurrState, ENDED ),
+                "end state not reachable in transition table" );
+
+    StateTransition st(this);
+    if (!st.enter( ENDED, StateTransition::Options::FORCE ))
+        return;
+
+    deactivate_st( ENDED );
+    st.commit(); // changing state
+
+    // if is FROZEN or is to be FROZEN, then
+    // will/already notified deactivating listeners
+    if (!bIsFrozenOrInTransitionToFrozen)
+        notifyEndListeners();
+
+    // discharge a loaded event, before going on:
+    if (mpCurrentEvent) {
+        mpCurrentEvent->dispose();
+        mpCurrentEvent.reset();
+    }
+}
+
+void BaseNode::notifyDeactivating( const AnimationNodeSharedPtr& rNotifier )
+{
+    OSL_ASSERT( rNotifier->getState() == FROZEN ||
+                rNotifier->getState() == ENDED );
+    // TODO(F1): for end sync functionality, this might indeed be used some day
+}
+
+void BaseNode::notifyEndListeners() const
+{
+    // notify all listeners
+    for( const auto& rListner : maDeactivatingListeners )
+        rListner->notifyDeactivating( mpSelf );
+
+    // notify state change
+    maContext.mrEventMultiplexer.notifyAnimationEnd( mpSelf );
+
+    // notify main sequence end (iff we're the main
+    // sequence root node). This is because the main
+    // sequence determines the active duration of the
+    // slide. All other sequences are secondary, in that
+    // they don't prevent a slide change from happening,
+    // even if they have not been completed. In other
+    // words, all sequences except the main sequence are
+    // optional for the slide lifetime.
+    if (isMainSequenceRootNode())
+        maContext.mrEventMultiplexer.notifySlideAnimationsEnd();
+}
+
+AnimationNode::NodeState BaseNode::getState() const
+{
+    return meCurrState;
+}
+
+bool BaseNode::registerDeactivatingListener(
+    const AnimationNodeSharedPtr& rNotifee )
+{
+    if (! checkValidNode())
+        return false;
+
+    ENSURE_OR_RETURN_FALSE(
+        rNotifee,
+        "BaseNode::registerDeactivatingListener(): invalid notifee" );
+    maDeactivatingListeners.push_back( rNotifee );
+
+    return true;
+}
+
+void BaseNode::setSelf( const BaseNodeSharedPtr& rSelf )
+{
+    ENSURE_OR_THROW( rSelf.get() == this,
+                      "BaseNode::setSelf(): got ptr to different object" );
+    ENSURE_OR_THROW( !mpSelf,
+                      "BaseNode::setSelf(): called multiple times" );
+
+    mpSelf = rSelf;
+}
+
+// Debug
+
+
+#if defined(DBG_UTIL)
+void BaseNode::showState() const
+{
+    const AnimationNode::NodeState eNodeState( getState() );
+
+    if( eNodeState == AnimationNode::INVALID )
+        SAL_INFO("slideshow.verbose", "Node state: n" <<
+                 debugGetNodeName(this) <<
+                 " [label=\"" <<
+                 getDescription() <<
+                 "\",style=filled, fillcolor=\"0.5,0.2,0.5\"]");
+    else
+        SAL_INFO("slideshow.verbose", "Node state: n" <<
+                 debugGetNodeName(this) <<
+                 " [label=\"" <<
+                 getDescription() <<
+                 "fillcolor=\"" <<
+                 log(double(getState()))/4.0 <<
+                 ",1.0,1.0\"]");
+
+    // determine additional node information
+    uno::Reference<animations::XAnimate> const xAnimate( mxAnimationNode,
+                                                         uno::UNO_QUERY );
+    if( !xAnimate.is() )
+        return;
+
+    uno::Reference< drawing::XShape > xTargetShape( xAnimate->getTarget(),
+                                                    uno::UNO_QUERY );
+
+    if( !xTargetShape.is() )
+    {
+        css::presentation::ParagraphTarget aTarget;
+
+        // no shape provided. Maybe a ParagraphTarget?
+        if( xAnimate->getTarget() >>= aTarget )
+            xTargetShape = aTarget.Shape;
+    }
+
+    if( !xTargetShape.is() )
+        return;
+
+    uno::Reference< beans::XPropertySet > xPropSet( xTargetShape,
+                                                    uno::UNO_QUERY );
+
+    // read shape name
+    OUString aName;
+    if( xPropSet->getPropertyValue("Name") >>= aName )
+    {
+        SAL_INFO("slideshow.verbose", "Node info: n" <<
+                 debugGetNodeName(this) <<
+                 ", name \"" <<
+                 aName <<
+                 "\"");
+    }
+}
+
+const char* BaseNode::getDescription() const
+{
+    return "BaseNode";
+}
+
+#endif
+
+} // namespace slideshow
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/generateevent.cxx b/slideshow/source/engine/animationnodes/generateevent.cxx
new file mode 100644
index 000000000..6d61c0c25
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/generateevent.cxx
@@ -0,0 +1,237 @@
+/* -*- 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 <tools/diagnose_ex.h>
+
+#include <com/sun/star/drawing/XShape.hpp>
+#include <com/sun/star/animations/XAnimationNode.hpp>
+#include <com/sun/star/animations/Timing.hpp>
+#include <com/sun/star/animations/EventTrigger.hpp>
+#include <com/sun/star/animations/Event.hpp>
+
+#include "generateevent.hxx"
+#include <subsettableshapemanager.hxx>
+#include <usereventqueue.hxx>
+#include <slideshowcontext.hxx>
+#include <delayevent.hxx>
+
+namespace slideshow::internal {
+
+using namespace com::sun::star;
+
+EventSharedPtr generateEvent(
+    uno::Any const& rEventDescription,
+    Delay::FunctorT const& rFunctor,
+    SlideShowContext const& rContext,
+    double nAdditionalDelay )
+{
+    EventSharedPtr pEvent;
+
+    if (! rEventDescription.hasValue())
+        return pEvent;
+
+    animations::Timing eTiming;
+    animations::Event aEvent;
+    uno::Sequence<uno::Any> aSequence;
+    double nDelay1 = 0;
+
+    if (rEventDescription >>= eTiming) {
+        switch (eTiming) {
+        case animations::Timing_INDEFINITE:
+            break; // don't schedule no event
+        case animations::Timing_MEDIA:
+            OSL_FAIL( "MEDIA timing not yet implemented!" );
+            break;
+        default:
+            ENSURE_OR_THROW( false, "unexpected case!" );
+        }
+    }
+    else if (rEventDescription >>= aEvent) {
+
+        // try to extract additional event delay
+        double nDelay2 = 0.0;
+        if (aEvent.Offset.hasValue() && !(aEvent.Offset >>= nDelay2)) {
+            OSL_FAIL( "offset values apart from DOUBLE not "
+                        "recognized in animations::Event!" );
+        }
+
+        // common vars used inside switch
+        uno::Reference<animations::XAnimationNode> xNode;
+        uno::Reference<drawing::XShape> xShape;
+        ShapeSharedPtr pShape;
+
+        // TODO(F1): Respect aEvent.Repeat value
+
+        auto event2shape = [&] () {
+            if (aEvent.Source >>= xShape)
+                pShape = rContext.mpSubsettableShapeManager->lookupShape(xShape);
+        };
+
+        switch (aEvent.Trigger) {
+        default:
+            ENSURE_OR_THROW( false, "unexpected event trigger!" );
+        case animations::EventTrigger::NONE:
+            // no event at all
+            break;
+        case animations::EventTrigger::ON_BEGIN:
+            OSL_FAIL( "event trigger ON_BEGIN not yet implemented!" );
+            break;
+        case animations::EventTrigger::ON_END:
+            OSL_FAIL( "event trigger ON_END not yet implemented!" );
+            break;
+        case animations::EventTrigger::BEGIN_EVENT:
+            // try to extract XAnimationNode event source
+            if (aEvent.Source >>= xNode) {
+                pEvent = makeDelay( rFunctor,
+                                    nDelay2 + nAdditionalDelay,
+                                    "generateEvent, BEGIN_EVENT");
+                rContext.mrUserEventQueue.registerAnimationStartEvent(
+                    pEvent, xNode );
+            }
+            else {
+                OSL_FAIL("could not extract source XAnimationNode "
+                           "for BEGIN_EVENT!" );
+            }
+            break;
+        case animations::EventTrigger::END_EVENT:
+            // try to extract XAnimationNode event source
+            if (aEvent.Source >>= xNode) {
+                pEvent = makeDelay( rFunctor,
+                                    nDelay2 + nAdditionalDelay,
+                                    "generateEvent, END_EVENT");
+                rContext.mrUserEventQueue.registerAnimationEndEvent(
+                    pEvent, xNode );
+            }
+            else {
+                OSL_FAIL( "could not extract source XAnimationNode "
+                            "for END_EVENT!" );
+            }
+            break;
+        case animations::EventTrigger::ON_CLICK:
+            // try to extract XShape event source
+            event2shape();
+            if (pShape)
+            {
+                pEvent = makeDelay( rFunctor,
+                                    nDelay2 + nAdditionalDelay,
+                                    "generateEvent, ON_CLICK");
+                rContext.mrUserEventQueue.registerShapeClickEvent(
+                    pEvent, pShape );
+            }
+            else {
+                OSL_FAIL( "could not extract source XAnimationNode "
+                            "for ON_CLICK!" );
+            }
+            break;
+        case animations::EventTrigger::ON_DBL_CLICK:
+            // try to extract XShape event source
+            event2shape();
+            if (pShape)
+            {
+                pEvent = makeDelay( rFunctor,
+                                    nDelay2 + nAdditionalDelay,
+                                    "generateEvent, ON_DBL_CLICK");
+                rContext.mrUserEventQueue.registerShapeDoubleClickEvent(
+                    pEvent, pShape );
+            }
+            else {
+                OSL_FAIL( "could not extract source XAnimationNode "
+                            "for ON_DBL_CLICK!" );
+            }
+            break;
+        case animations::EventTrigger::ON_MOUSE_ENTER:
+            // try to extract XShape event source
+            event2shape();
+            if (pShape)
+            {
+                pEvent = makeDelay( rFunctor,
+                                    nDelay2 + nAdditionalDelay,
+                                    "generateEvent, ON_MOUSE_ENTER");
+                rContext.mrUserEventQueue.registerMouseEnterEvent(
+                    pEvent, pShape );
+            }
+            else {
+                OSL_FAIL( "could not extract source XAnimationNode "
+                            "for ON_MOUSE_ENTER!" );
+            }
+            break;
+        case animations::EventTrigger::ON_MOUSE_LEAVE:
+            // try to extract XShape event source
+            event2shape();
+            if (pShape)
+            {
+                pEvent = makeDelay( rFunctor,
+                                    nDelay2 + nAdditionalDelay,
+                                    "generateEvent, ON_MOUSE_LEAVE");
+                rContext.mrUserEventQueue.registerMouseLeaveEvent(
+                    pEvent, pShape );
+            }
+            else {
+                OSL_FAIL( "could not extract source XAnimationNode "
+                            "for ON_MOUSE_LEAVE!" );
+            }
+            break;
+        case animations::EventTrigger::ON_PREV:
+            OSL_FAIL( "event trigger ON_PREV not yet implemented, "
+                        "mapped to ON_NEXT!" );
+            [[fallthrough]];
+        case animations::EventTrigger::ON_NEXT:
+            pEvent = makeDelay( rFunctor,
+                                nDelay2 + nAdditionalDelay,
+                                "generateEvent, ON_NEXT");
+            rContext.mrUserEventQueue.registerNextEffectEvent( pEvent );
+            break;
+        case animations::EventTrigger::ON_STOP_AUDIO:
+            // try to extract XAnimationNode event source
+            if (aEvent.Source >>= xNode) {
+                pEvent = makeDelay( rFunctor,
+                                    nDelay2 + nAdditionalDelay,
+                                    "generateEvent, ON_STOP_AUDIO");
+                rContext.mrUserEventQueue.registerAudioStoppedEvent(
+                    pEvent, xNode );
+            }
+            else {
+                OSL_FAIL( "could not extract source XAnimationNode "
+                            "for ON_STOP_AUDIO!" );
+            }
+            break;
+        case animations::EventTrigger::REPEAT:
+            OSL_FAIL( "event trigger REPEAT not yet implemented!" );
+            break;
+        }
+    }
+    else if (rEventDescription >>= aSequence) {
+        OSL_FAIL( "sequence of timing primitives "
+                    "not yet implemented!" );
+    }
+    else if (rEventDescription >>= nDelay1) {
+        pEvent = makeDelay( rFunctor,
+                            nDelay1 + nAdditionalDelay,
+                            "generateEvent with delay");
+        // schedule delay event
+        rContext.mrEventQueue.addEvent( pEvent );
+    }
+
+    return pEvent;
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/generateevent.hxx b/slideshow/source/engine/animationnodes/generateevent.hxx
new file mode 100644
index 000000000..487989655
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/generateevent.hxx
@@ -0,0 +1,55 @@
+/* -*- 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_GENERATEEVENT_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_GENERATEEVENT_HXX
+
+#include <slideshowcontext.hxx>
+#include <delayevent.hxx>
+#include <com/sun/star/uno/Any.hxx>
+
+namespace slideshow {
+namespace internal {
+
+/** Create an event for the given description, calling the given functor.
+
+    @param rEventDescription
+    Directly from API
+
+    @param rFunctor
+    Functor to call when event fires.
+
+    @param rContext
+    Context struct, to provide event queue
+
+    @param nAdditionalDelay
+    Additional delay, gets added on top of timeout.
+*/
+EventSharedPtr generateEvent(
+    css::uno::Any const& rEventDescription,
+    Delay::FunctorT const& rFunctor,
+    SlideShowContext const& rContext,
+    double nAdditionalDelay );
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_GENERATEEVENT_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/nodetools.cxx b/slideshow/source/engine/animationnodes/nodetools.cxx
new file mode 100644
index 000000000..f509e680c
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/nodetools.cxx
@@ -0,0 +1,84 @@
+/* -*- 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 <com/sun/star/animations/Timing.hpp>
+
+#include "nodetools.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace slideshow::internal
+{
+#if defined(DBG_UTIL)
+        static sal_Int32 lcl_nOffset = 0;
+
+        OUString debugGetNodeName( const BaseNode *pNode )
+        {
+            return OUString::number(lcl_nOffset) +
+                " - 0x" +
+                OUString::number(reinterpret_cast<sal_Int64>(pNode), 16);
+        }
+
+        void debugNodesShowTree( const BaseNode* pNode )
+        {
+            if( pNode )
+                pNode->showState();
+
+            ++lcl_nOffset;
+        }
+#endif
+
+        AttributableShapeSharedPtr lookupAttributableShape( const ShapeManagerSharedPtr&                rShapeManager,
+                                                            const uno::Reference< drawing::XShape >&    xShape          )
+        {
+            ENSURE_OR_THROW( rShapeManager,
+                              "lookupAttributableShape(): invalid ShapeManager" );
+
+            ShapeSharedPtr pShape( rShapeManager->lookupShape( xShape ) );
+
+            ENSURE_OR_THROW( pShape,
+                              "lookupAttributableShape(): no shape found for given XShape" );
+
+            AttributableShapeSharedPtr pRes(
+                ::std::dynamic_pointer_cast< AttributableShape >( pShape ) );
+
+            // TODO(E3): Cannot throw here, people might set animation info
+            // for non-animatable shapes from the API. AnimationNodes must catch
+            // the exception and handle that differently
+            ENSURE_OR_THROW( pRes,
+                              "lookupAttributableShape(): shape found does not implement AttributableShape interface" );
+
+            return pRes;
+        }
+
+        bool isIndefiniteTiming( const uno::Any& rAny )
+        {
+            if( !rAny.hasValue() )
+                return true;
+
+            animations::Timing eTiming;
+
+            return (rAny >>= eTiming) && eTiming == animations::Timing_INDEFINITE;
+        }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/nodetools.hxx b/slideshow/source/engine/animationnodes/nodetools.hxx
new file mode 100644
index 000000000..f68f9dbdd
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/nodetools.hxx
@@ -0,0 +1,71 @@
+/* -*- 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_NODETOOLS_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_NODETOOLS_HXX
+
+#include <com/sun/star/drawing/XShape.hpp>
+
+#include <shapemanager.hxx>
+#include <basenode.hxx>
+#include <attributableshape.hxx>
+
+
+#if defined(DBG_UTIL)
+# define DEBUG_NODES_SHOWTREE(a) debugNodesShowTree(a);
+#else
+# define DEBUG_NODES_SHOWTREE(a)
+#endif
+
+namespace slideshow
+{
+    namespace internal
+    {
+
+        // Tools
+
+
+#if defined(DBG_UTIL)
+        OUString debugGetNodeName( const BaseNode *pNode );
+        void     debugNodesShowTree( const BaseNode* );
+#endif
+
+        /** Look up an AttributableShape from ShapeManager.
+
+            This method retrieves an AttributableShape pointer, given
+            an XShape and a LayerManager.
+
+            Throws a runtime exception if there's no such shape, or if
+            it does not implement the AttributableShape interface.
+         */
+        AttributableShapeSharedPtr lookupAttributableShape( const ShapeManagerSharedPtr&                rShapeManager,
+                                                            const css::uno::Reference< css::drawing::XShape >&    xShape );
+
+        /** Predicate whether a Begin, Duration or End timing is
+            indefinite, i.e. either contains no value, or the
+            value Timing_INDEFINITE.
+        */
+        bool isIndefiniteTiming( const css::uno::Any& rAny );
+
+    }
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_NODETOOLS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/paralleltimecontainer.cxx b/slideshow/source/engine/animationnodes/paralleltimecontainer.cxx
new file mode 100644
index 000000000..f4c063716
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/paralleltimecontainer.cxx
@@ -0,0 +1,58 @@
+/* -*- 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 "paralleltimecontainer.hxx"
+#include <delayevent.hxx>
+
+#include <functional>
+
+namespace slideshow::internal {
+
+void ParallelTimeContainer::activate_st()
+{
+    // resolve all children:
+    std::size_t const nResolvedNodes =
+        static_cast<std::size_t>(std::count_if(
+                                     maChildren.begin(), maChildren.end(),
+                                     std::mem_fn(&AnimationNode::resolve) ));
+    OSL_ENSURE( nResolvedNodes == maChildren.size(),
+                "### resolving all children failed!" );
+
+    if (isDurationIndefinite() && maChildren.empty()) {
+        // deactivate ASAP:
+        auto self(getSelf());
+        scheduleDeactivationEvent(
+            makeEvent( [self] () { self->deactivate(); },
+                       "ParallelTimeContainer::deactivate") );
+    }
+    else { // use default
+        scheduleDeactivationEvent();
+    }
+}
+
+void ParallelTimeContainer::notifyDeactivating(
+    AnimationNodeSharedPtr const& pChildNode )
+{
+    notifyDeactivatedChild( pChildNode );
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/paralleltimecontainer.hxx b/slideshow/source/engine/animationnodes/paralleltimecontainer.hxx
new file mode 100644
index 000000000..af3c6e1a9
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/paralleltimecontainer.hxx
@@ -0,0 +1,55 @@
+/* -*- 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_PARALLELTIMECONTAINER_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_PARALLELTIMECONTAINER_HXX
+
+#include <basecontainernode.hxx>
+
+namespace slideshow {
+namespace internal {
+
+/** This class implements parallel node containers
+
+    All children of this node are played in parallel
+*/
+class ParallelTimeContainer : public BaseContainerNode
+{
+public:
+    ParallelTimeContainer(
+        const css::uno::Reference< css::animations::XAnimationNode >& xNode,
+        const BaseContainerNodeSharedPtr&               rParent,
+        const NodeContext&                              rContext )
+        : BaseContainerNode( xNode, rParent, rContext ) {}
+
+#if defined(DBG_UTIL)
+    virtual const char* getDescription() const override
+        { return "ParallelTimeContainer"; }
+#endif
+
+private:
+    virtual void activate_st() override;
+    virtual void notifyDeactivating( AnimationNodeSharedPtr const& pChildNode ) override;
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_PARALLELTIMECONTAINER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/propertyanimationnode.cxx b/slideshow/source/engine/animationnodes/propertyanimationnode.cxx
new file mode 100644
index 000000000..2643c4403
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/propertyanimationnode.cxx
@@ -0,0 +1,100 @@
+/* -*- 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 "propertyanimationnode.hxx"
+#include <animationfactory.hxx>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+AnimationActivitySharedPtr PropertyAnimationNode::createActivity() const
+{
+    // Create AnimationActivity from common XAnimate parameters:
+    ActivitiesFactory::CommonParameters aParms( fillCommonParameters() );
+    uno::Reference<animations::XAnimate> const& xAnimateNode =getXAnimateNode();
+    OUString const attrName( xAnimateNode->getAttributeName() );
+    AttributableShapeSharedPtr const pShape( getShape() );
+
+    switch (AnimationFactory::classifyAttributeName( attrName )) {
+    default:
+    case AnimationFactory::CLASS_UNKNOWN_PROPERTY:
+        ENSURE_OR_THROW(
+            false,
+            "Unexpected attribute class (unknown or empty attribute name)" );
+        break;
+
+    case AnimationFactory::CLASS_NUMBER_PROPERTY:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createNumberPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize() ),
+            xAnimateNode );
+
+    case AnimationFactory::CLASS_ENUM_PROPERTY:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createEnumPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(), 0 ),
+            xAnimateNode );
+
+    case AnimationFactory::CLASS_COLOR_PROPERTY:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createColorPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize() ),
+            xAnimateNode );
+
+    case AnimationFactory::CLASS_STRING_PROPERTY:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createStringPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(), 0 ),
+            xAnimateNode );
+
+    case AnimationFactory::CLASS_BOOL_PROPERTY:
+        return ActivitiesFactory::createAnimateActivity(
+            aParms,
+            AnimationFactory::createBoolPropertyAnimation(
+                attrName,
+                pShape,
+                getContext().mpSubsettableShapeManager,
+                getSlideSize(), 0 ),
+            xAnimateNode );
+    }
+
+    return AnimationActivitySharedPtr();
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/propertyanimationnode.hxx b/slideshow/source/engine/animationnodes/propertyanimationnode.hxx
new file mode 100644
index 000000000..037fea61e
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/propertyanimationnode.hxx
@@ -0,0 +1,50 @@
+/* -*- 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_PROPERTYANIMATIONNODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_PROPERTYANIMATIONNODE_HXX
+
+#include "animationbasenode.hxx"
+
+namespace slideshow {
+namespace internal {
+
+class PropertyAnimationNode : public AnimationBaseNode
+{
+public:
+    PropertyAnimationNode(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        ::std::shared_ptr<BaseContainerNode> const& pParent,
+        NodeContext const& rContext )
+        : AnimationBaseNode( xNode, pParent, rContext ) {}
+
+#if defined(DBG_UTIL)
+    virtual const char* getDescription() const override
+        { return "PropertyAnimationNode"; }
+#endif
+
+private:
+    virtual AnimationActivitySharedPtr createActivity() const override;
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_PROPERTYANIMATIONNODE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/sequentialtimecontainer.cxx b/slideshow/source/engine/animationnodes/sequentialtimecontainer.cxx
new file mode 100644
index 000000000..3f928593c
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/sequentialtimecontainer.cxx
@@ -0,0 +1,122 @@
+/* -*- 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 <delayevent.hxx>
+#include <eventqueue.hxx>
+#include <usereventqueue.hxx>
+#include "sequentialtimecontainer.hxx"
+
+namespace slideshow::internal {
+
+void SequentialTimeContainer::activate_st()
+{
+    // resolve first possible child, ignore
+    for ( ; mnFinishedChildren < maChildren.size(); ++mnFinishedChildren ) {
+        if (resolveChild( maChildren[mnFinishedChildren] ))
+            break;
+        else {
+            // node still UNRESOLVED, no need to deactivate or end...
+            OSL_FAIL( "### resolving child failed!" );
+        }
+    }
+
+    if (isDurationIndefinite() &&
+        (maChildren.empty() || mnFinishedChildren >= maChildren.size()))
+    {
+        // deactivate ASAP:
+        auto self(getSelf());
+        scheduleDeactivationEvent(
+            makeEvent( [self] () { self->deactivate(); },
+                 "SequentialTimeContainer::deactivate") );
+    }
+    else // use default
+        scheduleDeactivationEvent();
+}
+
+void SequentialTimeContainer::dispose()
+{
+    BaseContainerNode::dispose();
+    if (mpCurrentSkipEvent) {
+        mpCurrentSkipEvent->dispose();
+        mpCurrentSkipEvent.reset();
+    }
+}
+
+void SequentialTimeContainer::skipEffect(
+    AnimationNodeSharedPtr const& pChildNode )
+{
+    if (isChildNode(pChildNode)) {
+        // empty all events ignoring timings => until next effect
+        getContext().mrEventQueue.forceEmpty();
+        getContext().mrEventQueue.addEvent(
+            makeEvent( [pChildNode] () { pChildNode->deactivate(); },
+                "SequentialTimeContainer::deactivate, skipEffect with delay") );
+    }
+    else
+        OSL_FAIL( "unknown notifier!" );
+}
+
+bool SequentialTimeContainer::resolveChild(
+    AnimationNodeSharedPtr const& pChildNode )
+{
+    bool const bResolved = pChildNode->resolve();
+    if (bResolved && isMainSequenceRootNode()) {
+        // discharge events:
+        if (mpCurrentSkipEvent)
+            mpCurrentSkipEvent->dispose();
+
+        // event that will deactivate the resolved/running child:
+        mpCurrentSkipEvent = makeEvent(
+            std::bind( &SequentialTimeContainer::skipEffect,
+                         std::dynamic_pointer_cast<SequentialTimeContainer>( getSelf() ),
+                         pChildNode ),
+            "SequentialTimeContainer::skipEffect, resolveChild");
+
+        // deactivate child node when skip event occurs:
+        getContext().mrUserEventQueue.registerSkipEffectEvent(
+            mpCurrentSkipEvent,
+            mnFinishedChildren+1<maChildren.size());
+    }
+    return bResolved;
+}
+
+void SequentialTimeContainer::notifyDeactivating(
+    AnimationNodeSharedPtr const& rNotifier )
+{
+    if (notifyDeactivatedChild( rNotifier ))
+        return;
+
+    OSL_ASSERT( mnFinishedChildren < maChildren.size() );
+    AnimationNodeSharedPtr const& pNextChild = maChildren[mnFinishedChildren];
+    OSL_ASSERT( pNextChild->getState() == UNRESOLVED );
+
+    if (! resolveChild( pNextChild )) {
+        // could not resolve child - since we risk to
+        // stall the chain of events here, play it safe
+        // and deactivate this node (only if we have
+        // indefinite duration - otherwise, we'll get a
+        // deactivation event, anyways).
+        deactivate();
+    }
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/sequentialtimecontainer.hxx b/slideshow/source/engine/animationnodes/sequentialtimecontainer.hxx
new file mode 100644
index 000000000..ad9dbb401
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/sequentialtimecontainer.hxx
@@ -0,0 +1,65 @@
+/* -*- 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_SEQUENTIALTIMECONTAINER_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_SEQUENTIALTIMECONTAINER_HXX
+
+#include <basecontainernode.hxx>
+
+namespace slideshow {
+namespace internal {
+
+/** This class implements sequential node containers
+
+    All children of this node are played sequentially
+*/
+class SequentialTimeContainer : public BaseContainerNode
+{
+public:
+    SequentialTimeContainer(
+        css::uno::Reference<css::animations::XAnimationNode> const& xNode,
+        BaseContainerNodeSharedPtr const& pParent,
+        NodeContext const& rContext )
+        : BaseContainerNode( xNode, pParent, rContext ) {}
+
+#if defined(DBG_UTIL)
+    virtual const char* getDescription() const override
+        { return "SequentialTimeContainer"; }
+#endif
+
+protected:
+    virtual void dispose() override;
+
+private:
+    virtual void activate_st() override;
+    virtual void notifyDeactivating( AnimationNodeSharedPtr const& rNotifier ) override;
+
+    void skipEffect( AnimationNodeSharedPtr const& pChildNode );
+
+private:
+    bool resolveChild( AnimationNodeSharedPtr const& pChildNode );
+
+    EventSharedPtr mpCurrentSkipEvent;
+};
+
+} // namespace internal
+} // namespace slideshow
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_SEQUENTIALTIMECONTAINER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/animationnodes/setactivity.hxx b/slideshow/source/engine/animationnodes/setactivity.hxx
new file mode 100644
index 000000000..37e3ff3a5
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/setactivity.hxx
@@ -0,0 +1,144 @@
+/* -*- 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 std::make_shared<SetActivity<AnimationT>>(rParms,rAnimation,rToValue);
+}
+
+} // namespace internal
+} // namespace presentation
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_SETACTIVITY_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */