/*
 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#include "config.h"
#include "core/style/StyleTransformData.h"

#include "core/style/ComputedStyle.h"
#include "core/style/DataEquivalency.h"

namespace blink {

StyleTransformData::StyleTransformData()
    : m_operations(ComputedStyle::initialTransform())
    , m_origin(ComputedStyle::initialTransformOrigin())
    , m_motion(nullptr, ComputedStyle::initialMotionOffset(), ComputedStyle::initialMotionRotation(), ComputedStyle::initialMotionRotationType())
{
}

StyleTransformData::StyleTransformData(const StyleTransformData& o)
    : RefCounted<StyleTransformData>()
    , m_operations(o.m_operations)
    , m_origin(o.m_origin)
    , m_motion(o.m_motion)
    , m_translate(o.m_translate)
    , m_rotate(o.m_rotate)
    , m_scale(o.m_scale)
{
}

bool StyleTransformData::operator==(const StyleTransformData& o) const
{
    return m_origin == o.m_origin
        && m_operations == o.m_operations
        && m_motion == o.m_motion
        && dataEquivalent<TransformOperation>(m_translate, o.m_translate)
        && dataEquivalent<TransformOperation>(m_rotate, o.m_rotate)
        && dataEquivalent<TransformOperation>(m_scale, o.m_scale);
}

bool StyleTransformData::has3DTransform() const
{
    return m_operations.has3DOperation()
        || (m_translate && m_translate->z() != 0)
        || (m_rotate && (m_rotate->x() != 0 || m_rotate->y() != 0))
        || (m_scale && m_scale->z() != 1);
}

} // namespace blink