/*
 * Copyright (C) 2015 Google Inc. All rights reserved.
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "StyleColor.h"

#include "HashTools.h"
#include "RenderTheme.h"

namespace WebCore {

Color StyleColor::colorFromKeyword(CSSValueID keyword, bool useSystemAppearance)
{
    if (const char* valueName = getValueName(keyword)) {
        if (const NamedColor* namedColor = findColor(valueName, strlen(valueName)))
            return Color(namedColor->ARGBValue);
    }
    return RenderTheme::singleton().systemColor(keyword, useSystemAppearance);
}

bool StyleColor::isColorKeyword(CSSValueID id)
{
    return (id >= CSSValueAlpha && id <= CSSValueWebkitText)
        || (id >= CSSValueAliceblue && id <= CSSValueYellowgreen)
        || id == CSSValueMenu || isSystemColor(id);
}

bool StyleColor::isSystemColor(CSSValueID id)
{
    return (id >= CSSValueActiveborder && id <= CSSValueAppleSystemYellow) || id == CSSValueMenu || id == CSSValueWebkitFocusRingColor;
}

} // namespace WebCore