96 lines
4.4 KiB
C++
96 lines
4.4 KiB
C++
/*
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* Copyright (C) 2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "CSSTransition.h"
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#include "Animation.h"
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#include "DocumentTimeline.h"
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#include "InspectorInstrumentation.h"
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#include "KeyframeEffect.h"
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#include "TransitionEvent.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(CSSTransition);
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Ref<CSSTransition> CSSTransition::create(const Styleable& owningElement, CSSPropertyID property, MonotonicTime generationTime, const Animation& backingAnimation, const RenderStyle* oldStyle, const RenderStyle& newStyle, Seconds delay, Seconds duration, const RenderStyle& reversingAdjustedStartStyle, double reversingShorteningFactor)
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{
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ASSERT(oldStyle);
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auto result = adoptRef(*new CSSTransition(owningElement, property, generationTime, backingAnimation, *oldStyle, newStyle, reversingAdjustedStartStyle, reversingShorteningFactor));
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result->initialize(oldStyle, newStyle, nullptr);
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result->setTimingProperties(delay, duration);
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InspectorInstrumentation::didCreateWebAnimation(result.get());
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return result;
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}
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CSSTransition::CSSTransition(const Styleable& styleable, CSSPropertyID property, MonotonicTime generationTime, const Animation& backingAnimation, const RenderStyle& oldStyle, const RenderStyle& targetStyle, const RenderStyle& reversingAdjustedStartStyle, double reversingShorteningFactor)
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: DeclarativeAnimation(styleable, backingAnimation)
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, m_property(property)
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, m_generationTime(generationTime)
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, m_timelineTimeAtCreation(styleable.element.document().timeline().currentTime())
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, m_targetStyle(RenderStyle::clonePtr(targetStyle))
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, m_currentStyle(RenderStyle::clonePtr(oldStyle))
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, m_reversingAdjustedStartStyle(RenderStyle::clonePtr(reversingAdjustedStartStyle))
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, m_reversingShorteningFactor(reversingShorteningFactor)
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{
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}
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void CSSTransition::resolve(RenderStyle& targetStyle, const RenderStyle* parentElementStyle, std::optional<Seconds> startTime)
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{
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DeclarativeAnimation::resolve(targetStyle, parentElementStyle, startTime);
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m_currentStyle = RenderStyle::clonePtr(targetStyle);
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}
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void CSSTransition::setTimingProperties(Seconds delay, Seconds duration)
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{
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suspendEffectInvalidation();
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// This method is only called from CSSTransition::create() where we're guaranteed to have an effect.
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auto* animationEffect = effect();
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ASSERT(animationEffect);
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// In order for CSS Transitions to be seeked backwards, they need to have their fill mode set to backwards
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// such that the original CSS value applied prior to the transition is used for a negative current time.
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animationEffect->setFill(FillMode::Backwards);
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animationEffect->setDelay(delay);
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animationEffect->setIterationDuration(duration);
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animationEffect->setTimingFunction(backingAnimation().timingFunction());
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animationEffect->updateStaticTimingProperties();
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effectTimingDidChange();
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unsuspendEffectInvalidation();
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}
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Ref<AnimationEventBase> CSSTransition::createEvent(const AtomString& eventType, double elapsedTime, const String& pseudoId, std::optional<Seconds> timelineTime)
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{
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return TransitionEvent::create(eventType, getPropertyNameString(m_property), elapsedTime, pseudoId, timelineTime, this);
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}
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} // namespace WebCore
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