Source/core/svg/SVGColor.cpp

/*
 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
 * Copyright (C) Research In Motion Limited 2011. 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/svg/SVGColor.h"

#include "bindings/v8/ExceptionState.h"
#include "core/css/CSSParser.h"
#include "core/css/RGBColor.h"

namespace WebCore {

SVGColor::SVGColor(const SVGColorType& colorType)
    : CSSValue(SVGColorClass)
    , m_colorType(colorType)
{
}

SVGColor::SVGColor(ClassType classType, const SVGColorType& colorType)
    : CSSValue(classType)
    , m_colorType(colorType)
{
}

PassRefPtr<RGBColor> SVGColor::rgbColor() const
{
    return RGBColor::create(m_color.rgb());
}

Color SVGColor::colorFromRGBColorString(const String& colorString)
{
    // FIXME: Rework css parser so it is more SVG aware.
    RGBA32 color;
    if (CSSParser::parseColor(color, colorString.stripWhiteSpace()))
        return color;
    return Color();
}

void SVGColor::setRGBColor(const String&, ExceptionState& es)
{
    // The whole SVGColor interface is deprecated in SVG 1.1 (2nd edition).
    // The setters are the most problematic part so we remove the support for those first.
    es.throwUninformativeAndGenericDOMException(NoModificationAllowedError);
}

void SVGColor::setRGBColorICCColor(const String&, const String&, ExceptionState& es)
{
    es.throwUninformativeAndGenericDOMException(NoModificationAllowedError);
}

void SVGColor::setColor(unsigned short, const String&, const String&, ExceptionState& es)
{
    es.throwUninformativeAndGenericDOMException(NoModificationAllowedError);
}

String SVGColor::customCssText() const
{
    switch (m_colorType) {
    case SVG_COLORTYPE_UNKNOWN:
        return String();
    case SVG_COLORTYPE_RGBCOLOR_ICCCOLOR:
    case SVG_COLORTYPE_RGBCOLOR:
        // FIXME: No ICC color support.
        return m_color.serialized();
    case SVG_COLORTYPE_CURRENTCOLOR:
        if (m_color.isValid())
            return m_color.serialized();
        return "currentColor";
    }

    ASSERT_NOT_REACHED();
    return String();
}

SVGColor::SVGColor(ClassType classType, const SVGColor& cloneFrom)
    : CSSValue(classType, /*isCSSOMSafe*/ true)
    , m_color(cloneFrom.m_color)
    , m_colorType(cloneFrom.m_colorType)
{
}

PassRefPtr<SVGColor> SVGColor::cloneForCSSOM() const
{
    return adoptRef(new SVGColor(SVGColorClass, *this));
}

bool SVGColor::equals(const SVGColor& other) const
{
    return m_colorType == other.m_colorType && m_color == other.m_color;
}

}