Source/core/animation/ActiveAnimations.cpp

/*
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#include "config.h"
#include "core/animation/ActiveAnimations.h"

#include "core/rendering/RenderObject.h"

namespace WebCore {

ActiveAnimations::~ActiveAnimations()
{
}

void ActiveAnimations::dispose()
{
    for (size_t i = 0; i < m_animations.size(); ++i)
        m_animations[i]->notifyElementDestroyed();
    m_animations.clear();
}

void ActiveAnimations::addPlayer(AnimationPlayer* player)
{
    ++m_players.add(player, 0).storedValue->value;
}

void ActiveAnimations::removePlayer(AnimationPlayer* player)
{
    AnimationPlayerCountedSet::iterator it = m_players.find(player);
    ASSERT(it != m_players.end());
    ASSERT(it->value > 0);
    --it->value;
    if (!it->value)
        m_players.remove(it);
}

void ActiveAnimations::updateAnimationFlags(RenderStyle& style)
{
    for (AnimationPlayerCountedSet::const_iterator it = m_players.begin(); it != m_players.end(); ++it) {
        const AnimationPlayer& player = *it->key;
        ASSERT(player.source());
        // FIXME: Needs to consider AnimationGroup once added.
        ASSERT(player.source()->isAnimation());
        const Animation& animation = *toAnimation(player.source());
        if (animation.isCurrent()) {
            if (animation.affects(CSSPropertyOpacity))
                style.setHasCurrentOpacityAnimation(true);
            if (animation.affects(CSSPropertyTransform))
                style.setHasCurrentTransformAnimation(true);
            if (animation.affects(CSSPropertyWebkitFilter))
                style.setHasCurrentFilterAnimation(true);
        }
    }

    if (style.hasCurrentOpacityAnimation())
        style.setIsRunningOpacityAnimationOnCompositor(m_defaultStack.hasActiveAnimationsOnCompositor(CSSPropertyOpacity));
    if (style.hasCurrentTransformAnimation())
        style.setIsRunningTransformAnimationOnCompositor(m_defaultStack.hasActiveAnimationsOnCompositor(CSSPropertyTransform));
    if (style.hasCurrentFilterAnimation())
        style.setIsRunningFilterAnimationOnCompositor(m_defaultStack.hasActiveAnimationsOnCompositor(CSSPropertyWebkitFilter));
}

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

void ActiveAnimations::trace(Visitor* visitor)
{
    visitor->trace(m_cssAnimations);
}

} // namespace WebCore