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(SVG_FONTS) 53 || isSVGFontFaceSrc() 54 #endif 55 ; 56 } 57 58 String 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 72 void CSSFontFaceSrcValue::addSubresourceStyleURLs(ListHashSet<KURL>& urls, const CSSStyleSheet* styleSheet) 73 { 74 if (!isLocal()) 75 addSubresourceURL(urls, styleSheet->completeURL(m_resource)); 76 } 77 78 } 79 80