Source/core/animation/ActiveAnimations.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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#include "config.h"
#include "core/animation/ActiveAnimations.h"

#include "core/frame/animation/AnimationController.h"
#include "core/rendering/RenderObject.h"

namespace WebCore {

bool shouldCompositeForActiveAnimations(const RenderObject& renderer)
{
    ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled());

    if (!renderer.node() || !renderer.node()->isElementNode())
        return false;

    const Element* element = toElement(renderer.node());
    if (const ActiveAnimations* activeAnimations = element->activeAnimations()) {
        if (activeAnimations->hasActiveAnimations(CSSPropertyOpacity)
            || activeAnimations->hasActiveAnimations(CSSPropertyWebkitTransform)
            || activeAnimations->hasActiveAnimations(CSSPropertyWebkitFilter))
            return true;
    }

    return false;
}

bool hasActiveAnimations(const RenderObject& renderer, CSSPropertyID property)
{
    ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled());

    if (!renderer.node() || !renderer.node()->isElementNode())
        return false;

    const Element* element = toElement(renderer.node());
    if (const ActiveAnimations* activeAnimations = element->activeAnimations())
        return activeAnimations->hasActiveAnimations(property);

    return false;
}

bool hasActiveAnimationsOnCompositor(const RenderObject& renderer, CSSPropertyID property)
{
    ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled());

    if (!renderer.node() || !renderer.node()->isElementNode())
        return false;

    const Element* element = toElement(renderer.node());
    if (const ActiveAnimations* activeAnimations = element->activeAnimations())
        return activeAnimations->hasActiveAnimationsOnCompositor(property);

    return false;
}

bool ActiveAnimations::hasActiveAnimations(CSSPropertyID property) const
{
    return m_defaultStack.affects(property);
}

bool ActiveAnimations::hasActiveAnimationsOnCompositor(CSSPropertyID property) const
{
    return m_defaultStack.hasActiveAnimationsOnCompositor(property);
}

void ActiveAnimations::cancelAnimationOnCompositor()
{
    for (PlayerSet::iterator it = m_players.begin(); it != players().end(); ++it)
        it->key->cancelAnimationOnCompositor();
}

} // namespace WebCore