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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 |
| (...skipping 20 matching lines...) Expand all Loading... |
| 31 #include "platform/Timer.h" | 31 #include "platform/Timer.h" |
| 32 #include "platform/fonts/FontOrientation.h" | 32 #include "platform/fonts/FontOrientation.h" |
| 33 #include "platform/fonts/FontWidthVariant.h" | 33 #include "platform/fonts/FontWidthVariant.h" |
| 34 #include "wtf/OwnPtr.h" | 34 #include "wtf/OwnPtr.h" |
| 35 | 35 |
| 36 namespace blink { | 36 namespace blink { |
| 37 | 37 |
| 38 class Document; | 38 class Document; |
| 39 class ResourceFetcher; | 39 class ResourceFetcher; |
| 40 class FontPlatformData; | 40 class FontPlatformData; |
| 41 class SVGFontElement; | |
| 42 class FontCustomPlatformData; | 41 class FontCustomPlatformData; |
| 43 | 42 |
| 44 class FontResource final : public Resource { | 43 class FontResource final : public Resource { |
| 45 public: | 44 public: |
| 46 typedef ResourceClient ClientType; | 45 typedef ResourceClient ClientType; |
| 47 | 46 |
| 48 FontResource(const ResourceRequest&); | 47 FontResource(const ResourceRequest&); |
| 49 virtual ~FontResource(); | 48 virtual ~FontResource(); |
| 50 virtual void trace(Visitor*) override; | 49 virtual void trace(Visitor*) override; |
| 51 | 50 |
| 52 virtual void load(ResourceFetcher*, const ResourceLoaderOptions&) override; | 51 virtual void load(ResourceFetcher*, const ResourceLoaderOptions&) override; |
| 53 | 52 |
| 54 virtual void didAddClient(ResourceClient*) override; | 53 virtual void didAddClient(ResourceClient*) override; |
| 55 | 54 |
| 56 virtual void allClientsRemoved() override; | 55 virtual void allClientsRemoved() override; |
| 57 void beginLoadIfNeeded(ResourceFetcher* dl); | 56 void beginLoadIfNeeded(ResourceFetcher* dl); |
| 58 virtual bool stillNeedsLoad() const override { return m_state != LoadInitiat
ed; } | 57 virtual bool stillNeedsLoad() const override { return m_state != LoadInitiat
ed; } |
| 59 bool exceedsFontLoadWaitLimit() const { return m_exceedsFontLoadWaitLimit; } | 58 bool exceedsFontLoadWaitLimit() const { return m_exceedsFontLoadWaitLimit; } |
| 60 | 59 |
| 61 bool loadScheduled() const { return m_state != Unloaded; } | 60 bool loadScheduled() const { return m_state != Unloaded; } |
| 62 void didScheduleLoad(); | 61 void didScheduleLoad(); |
| 63 void didUnscheduleLoad(); | 62 void didUnscheduleLoad(); |
| 64 | 63 |
| 65 void setCORSFailed() { m_corsFailed = true; } | 64 void setCORSFailed() { m_corsFailed = true; } |
| 66 bool isCORSFailed() const { return m_corsFailed; } | 65 bool isCORSFailed() const { return m_corsFailed; } |
| 67 | 66 |
| 68 bool ensureCustomFontData(); | 67 bool ensureCustomFontData(); |
| 69 FontPlatformData platformDataFromCustomData(float size, bool bold, bool ital
ic, FontOrientation = Horizontal, FontWidthVariant = RegularWidth); | 68 FontPlatformData platformDataFromCustomData(float size, bool bold, bool ital
ic, FontOrientation = Horizontal, FontWidthVariant = RegularWidth); |
| 70 | 69 |
| 71 #if ENABLE(SVG_FONTS) | |
| 72 bool ensureSVGFontData(); | |
| 73 SVGFontElement* getSVGFontById(const String&) const; | |
| 74 #endif | |
| 75 | |
| 76 protected: | 70 protected: |
| 77 virtual bool isSafeToUnlock() const override; | 71 virtual bool isSafeToUnlock() const override; |
| 78 | 72 |
| 79 private: | 73 private: |
| 80 virtual void checkNotify() override; | 74 virtual void checkNotify() override; |
| 81 void fontLoadWaitLimitCallback(Timer<FontResource>*); | 75 void fontLoadWaitLimitCallback(Timer<FontResource>*); |
| 82 | 76 |
| 83 enum State { Unloaded, LoadScheduled, LoadInitiated }; | 77 enum State { Unloaded, LoadScheduled, LoadInitiated }; |
| 84 | 78 |
| 85 OwnPtr<FontCustomPlatformData> m_fontData; | 79 OwnPtr<FontCustomPlatformData> m_fontData; |
| 86 State m_state; | 80 State m_state; |
| 87 bool m_exceedsFontLoadWaitLimit; | 81 bool m_exceedsFontLoadWaitLimit; |
| 88 bool m_corsFailed; | 82 bool m_corsFailed; |
| 89 Timer<FontResource> m_fontLoadWaitLimitTimer; | 83 Timer<FontResource> m_fontLoadWaitLimitTimer; |
| 90 | 84 |
| 91 #if ENABLE(SVG_FONTS) | |
| 92 RefPtrWillBeMember<Document> m_externalSVGDocument; | |
| 93 #endif | |
| 94 | |
| 95 friend class MemoryCache; | 85 friend class MemoryCache; |
| 96 }; | 86 }; |
| 97 | 87 |
| 98 DEFINE_RESOURCE_TYPE_CASTS(Font); | 88 DEFINE_RESOURCE_TYPE_CASTS(Font); |
| 99 | 89 |
| 100 class FontResourceClient : public ResourceClient { | 90 class FontResourceClient : public ResourceClient { |
| 101 public: | 91 public: |
| 102 virtual ~FontResourceClient() { } | 92 virtual ~FontResourceClient() { } |
| 103 static ResourceClientType expectedType() { return FontType; } | 93 static ResourceClientType expectedType() { return FontType; } |
| 104 virtual ResourceClientType resourceClientType() const override final { retur
n expectedType(); } | 94 virtual ResourceClientType resourceClientType() const override final { retur
n expectedType(); } |
| 105 virtual void fontLoaded(FontResource*) { } | 95 virtual void fontLoaded(FontResource*) { } |
| 106 virtual void didStartFontLoad(FontResource*) { } | 96 virtual void didStartFontLoad(FontResource*) { } |
| 107 virtual void fontLoadWaitLimitExceeded(FontResource*) { } | 97 virtual void fontLoadWaitLimitExceeded(FontResource*) { } |
| 108 }; | 98 }; |
| 109 | 99 |
| 110 } | 100 } |
| 111 | 101 |
| 112 #endif | 102 #endif |
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