Source/WebCore/css/typedom/transform/CSSTranslate.cpp

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#include "config.h"
#include "CSSTranslate.h"

#if ENABLE(CSS_TYPED_OM)

#include "CSSNumericValue.h"
#include "CSSUnitValue.h"
#include "CSSUnits.h"
#include "DOMMatrix.h"
#include "ExceptionOr.h"
#include <wtf/IsoMallocInlines.h>

namespace WebCore {

WTF_MAKE_ISO_ALLOCATED_IMPL(CSSTranslate);

ExceptionOr<Ref<CSSTranslate>> CSSTranslate::create(Ref<CSSNumericValue> x, Ref<CSSNumericValue> y, RefPtr<CSSNumericValue> z)
{
    auto is2D = z ? CSSTransformComponent::Is2D::No : CSSTransformComponent::Is2D::Yes;
    if (!z)
        z = CSSUnitValue::create(0.0, CSSUnitType::CSS_PX);

    if (!x->type().matchesTypeOrPercentage<CSSNumericBaseType::Length>()
        || !y->type().matchesTypeOrPercentage<CSSNumericBaseType::Length>()
        || !z->type().matchesTypeOrPercentage<CSSNumericBaseType::Length>())
        return Exception { TypeError };

    return adoptRef(*new CSSTranslate(is2D, WTFMove(x), WTFMove(y), z.releaseNonNull()));
}

CSSTranslate::CSSTranslate(CSSTransformComponent::Is2D is2D, Ref<CSSNumericValue> x, Ref<CSSNumericValue> y, Ref<CSSNumericValue> z)
    : CSSTransformComponent(is2D)
    , m_x(WTFMove(x))
    , m_y(WTFMove(y))
    , m_z(WTFMove(z))
{
}

void CSSTranslate::serialize(StringBuilder& builder) const
{
    // https://drafts.css-houdini.org/css-typed-om/#serialize-a-csstranslate
    builder.append(is2D() ? "translate(" : "translate3d(");
    m_x->serialize(builder);
    builder.append(", ");
    m_y->serialize(builder);
    if (!is2D()) {
        builder.append(", ");
        m_z->serialize(builder);
    }
    builder.append(')');
}

ExceptionOr<Ref<DOMMatrix>> CSSTranslate::toMatrix()
{
    // FIXME: Implement.
    return DOMMatrix::fromMatrix(DOMMatrixInit { });
}

} // namespace WebCore

#endif