CSSFontFaceSrcValue.cpp   [plain text]

/*
 * Copyright (C) 2007, 2010 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 *    documentation and/or other materials provided with the distribution.
 *
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 * 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 APPLE COMPUTER, INC. OR
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#include "config.h"
#include "CSSFontFaceSrcValue.h"
#include "CSSStyleSheet.h"
#include "FontCustomPlatformData.h"
#include "Node.h"

namespace WebCore {

CSSFontFaceSrcValue::~CSSFontFaceSrcValue()
{
}

#if ENABLE(SVG_FONTS)
bool CSSFontFaceSrcValue::isSVGFontFaceSrc() const
{
    return equalIgnoringCase(m_format, "svg");
}
#endif

bool CSSFontFaceSrcValue::isSupportedFormat() const
{
    // Normally we would just check the format, but in order to avoid conflicts with the old WinIE style of font-face,
    // we will also check to see if the URL ends with .eot.  If so, we'll go ahead and assume that we shouldn't load it.
    if (m_format.isEmpty()) {
        // Check for .eot.
        if (!m_resource.startsWith("data:", false) && m_resource.endsWith(".eot", false))
            return false;
        return true;
    }

    return FontCustomPlatformData::supportsFormat(m_format)
#if ENABLE(SVG_FONTS)
           || isSVGFontFaceSrc()
#endif
           ;
}

String CSSFontFaceSrcValue::cssText() const
{
    String result;
    if (isLocal())
        result += "local(";
    else
        result += "url(";
    result += m_resource;
    result += ")";
    if (!m_format.isEmpty())
        result += " format(" + m_format + ")";
    return result;
}

void CSSFontFaceSrcValue::addSubresourceStyleURLs(ListHashSet<KURL>& urls, const CSSStyleSheet* styleSheet)
{
    if (!isLocal())
        addSubresourceURL(urls, styleSheet->completeURL(m_resource));
}

}