1 /*

     2  * Copyright (C) 2007 Apple Inc. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #include "config.h"

    27 #include "CSSFontFaceSrcValue.h"

    28 #include "CSSStyleSheet.h"

    29 #include "Node.h"

    30 

    31 namespace WebCore {

    32 

    33 #if ENABLE(SVG_FONTS)

    34 bool CSSFontFaceSrcValue::isSVGFontFaceSrc() const

    35 {

    36     return equalIgnoringCase(m_format, "svg");

    37 }

    38 #endif

    39 

    40 bool CSSFontFaceSrcValue::isSupportedFormat() const

    41 {

    42     // Normally we would just check the format, but in order to avoid conflicts with the old WinIE style of font-face,

    43     // 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.

    44     if (m_format.isEmpty()) {

    45         // Check for .eot.

    46         if (m_resource.endsWith("eot", false))

    47             return false;

    48         return true;

    49     }

    50 

    51     return equalIgnoringCase(m_format, "truetype") || equalIgnoringCase(m_format, "opentype")

    52 #if ENABLE(OPENTYPE_SANITIZER)

    53            || equalIgnoringCase(m_format, "woff")

    54 #endif

    55 #if ENABLE(SVG_FONTS)

    56            || isSVGFontFaceSrc()

    57 #endif

    58            ;

    59 }

    60 

    61 String CSSFontFaceSrcValue::cssText() const

    62 {

    63     String result;

    64     if (isLocal())

    65         result += "local(";

    66     else

    67         result += "url(";

    68     result += m_resource;

    69     result += ")";

    70     if (!m_format.isEmpty())

    71         result += " format(" + m_format + ")";

    72     return result;

    73 }

    74 

    75 void CSSFontFaceSrcValue::addSubresourceStyleURLs(ListHashSet<KURL>& urls, const CSSStyleSheet* styleSheet)

    76 {

    77     if (!isLocal())

    78         addSubresourceURL(urls, styleSheet->completeURL(m_resource));

    79 }

    80 

    81 }

    82