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| 1 /* | 1 /* |
| 2 * Copyright (c) 2010 Google Inc. All rights reserved. | 2 * Copyright (c) 2010 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 | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 62 // activated font. i.e. After we activate a font, its ATSFontRef doesn't | 62 // activated font. i.e. After we activate a font, its ATSFontRef doesn't |
| 63 // change. | 63 // change. |
| 64 // It also assumes that the ATSFoncontainerRef for two in-memory NSFonts that | 64 // It also assumes that the ATSFoncontainerRef for two in-memory NSFonts that |
| 65 // correspond to the same on-disk font file are always the same and don't change | 65 // correspond to the same on-disk font file are always the same and don't change |
| 66 // with time. | 66 // with time. |
| 67 // | 67 // |
| 68 // Flushing caches: | 68 // Flushing caches: |
| 69 // When the system notifies us of a system font cache flush, all FontDataCache | 69 // When the system notifies us of a system font cache flush, all FontDataCache |
| 70 // objects are destroyed. This should in turn dereference all | 70 // objects are destroyed. This should in turn dereference all |
| 71 // MemoryActivatedFonts and thus unload all in-memory fonts. | 71 // MemoryActivatedFonts and thus unload all in-memory fonts. |
| 72 class MemoryActivatedFont : public RefCounted<MemoryActivatedFont> { | 72 class MemoryActivatedFont : public RefCounted<MemoryActivatedFont> { |
|
Stephen Chennney
2013/11/14 20:08:33
The file name should match the class name. This al
ckocagil
2013/11/14 20:21:43
Done. (hopefully I got it right)
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| 73 public: | 73 public: |
| 74 // Use to create a new object, see docs on constructor below. | 74 // Use to create a new object, see docs on constructor below. |
| 75 static PassRefPtr<MemoryActivatedFont> create(uint32_t fontID, NSFont*, CGFo ntRef); | 75 static PassRefPtr<MemoryActivatedFont> create(uint32_t fontID, NSFont*, CGFo ntRef); |
| 76 ~MemoryActivatedFont(); | 76 ~MemoryActivatedFont(); |
| 77 | 77 |
| 78 // Get cached CGFontRef corresponding to the in-memory font. | 78 // Get cached CGFontRef corresponding to the in-memory font. |
| 79 CGFontRef cgFont() { return m_cgFont.get(); } | 79 CGFontRef cgFont() { return m_cgFont.get(); } |
| 80 | 80 |
| 81 private: | 81 private: |
| 82 // srcFontRef - ATSFontRef belonging to the NSFont object that failed to | 82 // srcFontRef - ATSFontRef belonging to the NSFont object that failed to |
| 83 // load in-process. | 83 // load in-process. |
| 84 // container - a font container corresponding to an identical font that | 84 // container - a font container corresponding to an identical font that |
| 85 // we loaded cross-process. | 85 // we loaded cross-process. |
| 86 MemoryActivatedFont(uint32_t fontID, NSFont*, CGFontRef); | 86 MemoryActivatedFont(uint32_t fontID, NSFont*, CGFontRef); |
| 87 | 87 |
| 88 WTF::RetainPtr<CGFontRef> m_cgFont; | 88 WTF::RetainPtr<CGFontRef> m_cgFont; |
| 89 uint32_t m_fontID; | 89 uint32_t m_fontID; |
| 90 WTF::String m_inSandboxHashKey; | 90 WTF::String m_inSandboxHashKey; |
| 91 }; | 91 }; |
| 92 | 92 |
| 93 } // namespace WebCore | 93 } // namespace WebCore |
| 94 | 94 |
| 95 #endif // CrossProcessFontLoading_h | 95 #endif // CrossProcessFontLoading_h |
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