1 /*
2 * Copyright (C) 2007, 2010 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 "FontCustomPlatformData.h"
30 #include "Node.h"
31
32 namespace WebCore {
33
~CSSFontFaceSrcValue()34 CSSFontFaceSrcValue::~CSSFontFaceSrcValue()
35 {
36 }
37
38 #if ENABLE(SVG_FONTS)
isSVGFontFaceSrc() const39 bool CSSFontFaceSrcValue::isSVGFontFaceSrc() const
40 {
41 return equalIgnoringCase(m_format, "svg");
42 }
43 #endif
44
isSupportedFormat() const45 bool CSSFontFaceSrcValue::isSupportedFormat() const
46 {
47 // Normally we would just check the format, but in order to avoid conflicts with the old WinIE style of font-face,
48 // 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.
49 if (m_format.isEmpty()) {
50 // Check for .eot.
51 if (!m_resource.startsWith("data:", false) && m_resource.endsWith(".eot", false))
52 return false;
53 return true;
54 }
55
56 return FontCustomPlatformData::supportsFormat(m_format)
57 #if ENABLE(SVG_FONTS)
58 || isSVGFontFaceSrc()
59 #endif
60 ;
61 }
62
cssText() const63 String CSSFontFaceSrcValue::cssText() const
64 {
65 String result;
66 if (isLocal())
67 result += "local(";
68 else
69 result += "url(";
70 result += m_resource;
71 result += ")";
72 if (!m_format.isEmpty())
73 result += " format(" + m_format + ")";
74 return result;
75 }
76
addSubresourceStyleURLs(ListHashSet<KURL> & urls,const CSSStyleSheet * styleSheet)77 void CSSFontFaceSrcValue::addSubresourceStyleURLs(ListHashSet<KURL>& urls, const CSSStyleSheet* styleSheet)
78 {
79 if (!isLocal())
80 addSubresourceURL(urls, styleSheet->completeURL(m_resource));
81 }
82
83 }
84
85