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1 /* | 1 /* |
2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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43 class FontResource : public Resource { | 43 class FontResource : public Resource { |
44 public: | 44 public: |
45 FontResource(const ResourceRequest&); | 45 FontResource(const ResourceRequest&); |
46 virtual ~FontResource(); | 46 virtual ~FontResource(); |
47 | 47 |
48 virtual void load(ResourceFetcher*, const ResourceLoaderOptions&); | 48 virtual void load(ResourceFetcher*, const ResourceLoaderOptions&); |
49 | 49 |
50 virtual void didAddClient(ResourceClient*); | 50 virtual void didAddClient(ResourceClient*); |
51 | 51 |
52 virtual void allClientsRemoved(); | 52 virtual void allClientsRemoved(); |
53 void willUseFontData(); | |
54 void beginLoadIfNeeded(ResourceFetcher* dl); | 53 void beginLoadIfNeeded(ResourceFetcher* dl); |
55 bool stillNeedsLoad() const { return !m_loadInitiated; } | 54 bool stillNeedsLoad() const { return !m_loadInitiated; } |
56 | 55 |
57 bool ensureCustomFontData(); | 56 bool ensureCustomFontData(); |
58 FontPlatformData platformDataFromCustomData(float size, bool bold, bool ital
ic, FontOrientation = Horizontal, FontWidthVariant = RegularWidth); | 57 FontPlatformData platformDataFromCustomData(float size, bool bold, bool ital
ic, FontOrientation = Horizontal, FontWidthVariant = RegularWidth); |
59 | 58 |
60 #if ENABLE(SVG_FONTS) | 59 #if ENABLE(SVG_FONTS) |
61 bool ensureSVGFontData(); | 60 bool ensureSVGFontData(); |
62 SVGFontElement* getSVGFontById(const String&) const; | 61 SVGFontElement* getSVGFontById(const String&) const; |
63 #endif | 62 #endif |
64 | 63 |
65 private: | 64 private: |
66 virtual void checkNotify(); | 65 virtual void checkNotify(); |
67 OwnPtr<FontCustomPlatformData> m_fontData; | 66 OwnPtr<FontCustomPlatformData> m_fontData; |
68 bool m_loadInitiated; | 67 bool m_loadInitiated; |
69 | 68 |
70 #if ENABLE(SVG_FONTS) | 69 #if ENABLE(SVG_FONTS) |
71 RefPtr<WebCore::SVGDocument> m_externalSVGDocument; | 70 RefPtr<WebCore::SVGDocument> m_externalSVGDocument; |
72 #endif | 71 #endif |
73 class FontResourceHistograms { | |
74 public: | |
75 enum UsageType { | |
76 StyledAndUsed, | |
77 StyledButNotUsed, | |
78 NotStyledButUsed, | |
79 UsageTypeMax | |
80 }; | |
81 FontResourceHistograms() : m_styledTime(0) { } | |
82 ~FontResourceHistograms(); | |
83 void willUseFontData(); | |
84 void loadStarted(); | |
85 private: | |
86 double m_styledTime; | |
87 }; | |
88 FontResourceHistograms m_histograms; | |
89 | 72 |
90 friend class MemoryCache; | 73 friend class MemoryCache; |
91 }; | 74 }; |
92 | 75 |
93 class FontResourceClient : public ResourceClient { | 76 class FontResourceClient : public ResourceClient { |
94 public: | 77 public: |
95 virtual ~FontResourceClient() { } | 78 virtual ~FontResourceClient() { } |
96 static ResourceClientType expectedType() { return FontType; } | 79 static ResourceClientType expectedType() { return FontType; } |
97 virtual ResourceClientType resourceClientType() const { return expectedType(
); } | 80 virtual ResourceClientType resourceClientType() const { return expectedType(
); } |
98 virtual void fontLoaded(FontResource*) { } | 81 virtual void fontLoaded(FontResource*) { } |
99 virtual void didStartFontLoad(FontResource*) { } | 82 virtual void didStartFontLoad(FontResource*) { } |
100 }; | 83 }; |
101 | 84 |
102 } | 85 } |
103 | 86 |
104 #endif | 87 #endif |
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