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