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