1/*
2 * Copyright (C) 2007, 2008 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 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 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#pragma once
27
28#include "CSSValue.h"
29#include "CachedResourceHandle.h"
30#include "ResourceLoaderOptions.h"
31#include <wtf/Function.h>
32#include <wtf/text/WTFString.h>
33
34namespace WebCore {
35
36class CachedFont;
37class Document;
38class SVGFontFaceElement;
39
40class CSSFontFaceSrcValue final : public CSSValue {
41public:
42 static Ref<CSSFontFaceSrcValue> create(const String& resource, LoadedFromOpaqueSource loadedFromOpaqueSource)
43 {
44 return adoptRef(*new CSSFontFaceSrcValue(resource, false, loadedFromOpaqueSource));
45 }
46 static Ref<CSSFontFaceSrcValue> createLocal(const String& resource)
47 {
48 return adoptRef(*new CSSFontFaceSrcValue(resource, true, LoadedFromOpaqueSource::No));
49 }
50
51 const String& resource() const { return m_resource; }
52 const String& format() const { return m_format; }
53 bool isLocal() const { return m_isLocal; }
54
55 void setFormat(const String& format) { m_format = format; }
56
57 bool isSupportedFormat() const;
58
59#if ENABLE(SVG_FONTS)
60 bool isSVGFontFaceSrc() const;
61 bool isSVGFontTarget() const;
62
63 SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement; }
64 void setSVGFontFaceElement(SVGFontFaceElement* element) { m_svgFontFaceElement = element; }
65#endif
66
67 String customCSSText() const;
68
69 bool traverseSubresources(const WTF::Function<bool (const CachedResource&)>& handler) const;
70
71 CachedFont* cachedFont(Document*, bool isSVG, bool isInitiatingElementInUserAgentShadowTree);
72
73 bool equals(const CSSFontFaceSrcValue&) const;
74
75private:
76 CSSFontFaceSrcValue(const String& resource, bool local, LoadedFromOpaqueSource loadedFromOpaqueSource)
77 : CSSValue(FontFaceSrcClass)
78 , m_resource(resource)
79 , m_isLocal(local)
80 , m_loadedFromOpaqueSource(loadedFromOpaqueSource)
81#if ENABLE(SVG_FONTS)
82 , m_svgFontFaceElement(0)
83#endif
84 {
85 }
86
87 String m_resource;
88 String m_format;
89 bool m_isLocal;
90 LoadedFromOpaqueSource m_loadedFromOpaqueSource { LoadedFromOpaqueSource::No };
91
92 CachedResourceHandle<CachedFont> m_cachedFont;
93
94#if ENABLE(SVG_FONTS)
95 SVGFontFaceElement* m_svgFontFaceElement;
96#endif
97};
98
99} // namespace WebCore
100
101SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSFontFaceSrcValue, isFontFaceSrcValue())
102