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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google 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 are met: | 5 * modification, are permitted provided that the following conditions are met: |
6 * | 6 * |
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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51 : public GarbageCollectedFinalized<LoadFontPromiseResolver>, | 51 : public GarbageCollectedFinalized<LoadFontPromiseResolver>, |
52 public FontFace::LoadFontCallback { | 52 public FontFace::LoadFontCallback { |
53 USING_GARBAGE_COLLECTED_MIXIN(LoadFontPromiseResolver); | 53 USING_GARBAGE_COLLECTED_MIXIN(LoadFontPromiseResolver); |
54 | 54 |
55 public: | 55 public: |
56 static LoadFontPromiseResolver* create(FontFaceArray faces, | 56 static LoadFontPromiseResolver* create(FontFaceArray faces, |
57 ScriptState* scriptState) { | 57 ScriptState* scriptState) { |
58 return new LoadFontPromiseResolver(faces, scriptState); | 58 return new LoadFontPromiseResolver(faces, scriptState); |
59 } | 59 } |
60 | 60 |
61 void loadFonts(ExecutionContext*); | 61 void loadFonts(); |
62 ScriptPromise promise() { return m_resolver->promise(); } | 62 ScriptPromise promise() { return m_resolver->promise(); } |
63 | 63 |
64 void notifyLoaded(FontFace*) override; | 64 void notifyLoaded(FontFace*) override; |
65 void notifyError(FontFace*) override; | 65 void notifyError(FontFace*) override; |
66 | 66 |
67 DECLARE_VIRTUAL_TRACE(); | 67 DECLARE_VIRTUAL_TRACE(); |
68 | 68 |
69 private: | 69 private: |
70 LoadFontPromiseResolver(FontFaceArray faces, ScriptState* scriptState) | 70 LoadFontPromiseResolver(FontFaceArray faces, ScriptState* scriptState) |
71 : m_numLoading(faces.size()), | 71 : m_numLoading(faces.size()), |
72 m_errorOccured(false), | 72 m_errorOccured(false), |
73 m_resolver(ScriptPromiseResolver::create(scriptState)) { | 73 m_resolver(ScriptPromiseResolver::create(scriptState)) { |
74 m_fontFaces.swap(faces); | 74 m_fontFaces.swap(faces); |
75 } | 75 } |
76 | 76 |
77 HeapVector<Member<FontFace>> m_fontFaces; | 77 HeapVector<Member<FontFace>> m_fontFaces; |
78 int m_numLoading; | 78 int m_numLoading; |
79 bool m_errorOccured; | 79 bool m_errorOccured; |
80 Member<ScriptPromiseResolver> m_resolver; | 80 Member<ScriptPromiseResolver> m_resolver; |
81 }; | 81 }; |
82 | 82 |
83 void LoadFontPromiseResolver::loadFonts(ExecutionContext* context) { | 83 void LoadFontPromiseResolver::loadFonts() { |
84 if (!m_numLoading) { | 84 if (!m_numLoading) { |
85 m_resolver->resolve(m_fontFaces); | 85 m_resolver->resolve(m_fontFaces); |
86 return; | 86 return; |
87 } | 87 } |
88 | 88 |
89 for (size_t i = 0; i < m_fontFaces.size(); i++) | 89 for (size_t i = 0; i < m_fontFaces.size(); i++) |
90 m_fontFaces[i]->loadWithCallback(this, context); | 90 m_fontFaces[i]->loadWithCallback(this); |
91 } | 91 } |
92 | 92 |
93 void LoadFontPromiseResolver::notifyLoaded(FontFace* fontFace) { | 93 void LoadFontPromiseResolver::notifyLoaded(FontFace* fontFace) { |
94 m_numLoading--; | 94 m_numLoading--; |
95 if (m_numLoading || m_errorOccured) | 95 if (m_numLoading || m_errorOccured) |
96 return; | 96 return; |
97 | 97 |
98 m_resolver->resolve(m_fontFaces); | 98 m_resolver->resolve(m_fontFaces); |
99 } | 99 } |
100 | 100 |
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389 CSSSegmentedFontFace* segmentedFontFace = | 389 CSSSegmentedFontFace* segmentedFontFace = |
390 fontFaceCache->get(font.getFontDescription(), f->family()); | 390 fontFaceCache->get(font.getFontDescription(), f->family()); |
391 if (segmentedFontFace) | 391 if (segmentedFontFace) |
392 segmentedFontFace->match(text, faces); | 392 segmentedFontFace->match(text, faces); |
393 } | 393 } |
394 | 394 |
395 LoadFontPromiseResolver* resolver = | 395 LoadFontPromiseResolver* resolver = |
396 LoadFontPromiseResolver::create(faces, scriptState); | 396 LoadFontPromiseResolver::create(faces, scriptState); |
397 ScriptPromise promise = resolver->promise(); | 397 ScriptPromise promise = resolver->promise(); |
398 // After this, resolver->promise() may return null. | 398 // After this, resolver->promise() may return null. |
399 resolver->loadFonts(getExecutionContext()); | 399 resolver->loadFonts(); |
400 return promise; | 400 return promise; |
401 } | 401 } |
402 | 402 |
403 bool FontFaceSet::check(const String& fontString, | 403 bool FontFaceSet::check(const String& fontString, |
404 const String& text, | 404 const String& text, |
405 ExceptionState& exceptionState) { | 405 ExceptionState& exceptionState) { |
406 if (!inActiveDocumentContext()) | 406 if (!inActiveDocumentContext()) |
407 return false; | 407 return false; |
408 | 408 |
409 Font font; | 409 Font font; |
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561 visitor->trace(m_failedFonts); | 561 visitor->trace(m_failedFonts); |
562 visitor->trace(m_nonCSSConnectedFaces); | 562 visitor->trace(m_nonCSSConnectedFaces); |
563 visitor->trace(m_asyncRunner); | 563 visitor->trace(m_asyncRunner); |
564 EventTargetWithInlineData::trace(visitor); | 564 EventTargetWithInlineData::trace(visitor); |
565 Supplement<Document>::trace(visitor); | 565 Supplement<Document>::trace(visitor); |
566 SuspendableObject::trace(visitor); | 566 SuspendableObject::trace(visitor); |
567 FontFace::LoadFontCallback::trace(visitor); | 567 FontFace::LoadFontCallback::trace(visitor); |
568 } | 568 } |
569 | 569 |
570 } // namespace blink | 570 } // namespace blink |
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