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/platform/external/webkit/WebCore/css/CSSFontFaceSrcValue.cpp

https://github.com/aharish/totoro-gb-opensource-update2
C++ | 79 lines | 43 code | 9 blank | 27 comment | 7 complexity | e05d34f7221a047bdf8835da07d7954c MD5 | raw file
 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
31namespace WebCore {
32
33#if ENABLE(SVG_FONTS)
34bool CSSFontFaceSrcValue::isSVGFontFaceSrc() const
35{
36    return equalIgnoringCase(m_format, "svg");
37}
38#endif
39
40bool 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(SVG_FONTS)
53           || isSVGFontFaceSrc()
54#endif
55           ;
56}
57
58String CSSFontFaceSrcValue::cssText() const
59{
60    String result;
61    if (isLocal())
62        result += "local(";
63    else
64        result += "url(";
65    result += m_resource;
66    result += ")";
67    if (!m_format.isEmpty())
68        result += " format(" + m_format + ")";
69    return result;
70}
71
72void CSSFontFaceSrcValue::addSubresourceStyleURLs(ListHashSet<KURL>& urls, const CSSStyleSheet* styleSheet)
73{
74    if (!isLocal())
75        addSubresourceURL(urls, styleSheet->completeURL(m_resource));
76}
77
78}
79