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1 /* | 1 /* |
2 * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007, 2008, 2011 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 10 matching lines...) Expand all Loading... |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef CSSFontSelector_h | 26 #ifndef CSSFontSelector_h |
27 #define CSSFontSelector_h | 27 #define CSSFontSelector_h |
28 | 28 |
29 #include "core/CoreExport.h" | 29 #include "core/CoreExport.h" |
30 #include "core/css/FontFaceCache.h" | 30 #include "core/css/FontFaceCache.h" |
31 #include "core/dom/Document.h" | |
32 #include "platform/fonts/FontSelector.h" | 31 #include "platform/fonts/FontSelector.h" |
33 #include "platform/fonts/GenericFontFamilySettings.h" | 32 #include "platform/fonts/GenericFontFamilySettings.h" |
34 #include "platform/heap/Handle.h" | 33 #include "platform/heap/Handle.h" |
35 #include "wtf/Forward.h" | 34 #include "wtf/Forward.h" |
36 #include "wtf/HashMap.h" | 35 #include "wtf/HashMap.h" |
37 #include "wtf/HashSet.h" | 36 #include "wtf/HashSet.h" |
38 | 37 |
39 namespace blink { | 38 namespace blink { |
40 | 39 |
41 class CSSFontSelectorClient; | 40 class CSSFontSelectorClient; |
| 41 class Document; |
42 class FontDescription; | 42 class FontDescription; |
43 | 43 |
44 class CORE_EXPORT CSSFontSelector : public FontSelector { | 44 class CORE_EXPORT CSSFontSelector : public FontSelector { |
45 public: | 45 public: |
46 static CSSFontSelector* create(Document* document) { | 46 static CSSFontSelector* create(Document* document) { |
47 return new CSSFontSelector(document); | 47 return new CSSFontSelector(document); |
48 } | 48 } |
49 ~CSSFontSelector() override; | 49 ~CSSFontSelector() override; |
50 | 50 |
51 unsigned version() const override { | 51 unsigned version() const override { return m_fontFaceCache.version(); } |
52 return m_document->fontFaceCache()->version(); | |
53 } | |
54 | 52 |
55 PassRefPtr<FontData> getFontData(const FontDescription&, | 53 PassRefPtr<FontData> getFontData(const FontDescription&, |
56 const AtomicString&) override; | 54 const AtomicString&) override; |
57 void willUseFontData(const FontDescription&, | 55 void willUseFontData(const FontDescription&, |
58 const AtomicString& family, | 56 const AtomicString& family, |
59 const String& text) override; | 57 const String& text) override; |
60 void willUseRange(const FontDescription&, | 58 void willUseRange(const FontDescription&, |
61 const AtomicString& familyName, | 59 const AtomicString& familyName, |
62 const FontDataForRangeSet&) override; | 60 const FontDataForRangeSet&) override; |
63 bool isPlatformFontAvailable(const FontDescription&, | 61 bool isPlatformFontAvailable(const FontDescription&, |
64 const AtomicString& family); | 62 const AtomicString& family); |
65 | 63 |
66 void fontFaceInvalidated(); | 64 void fontFaceInvalidated(); |
67 | 65 |
68 // FontCacheClient implementation | 66 // FontCacheClient implementation |
69 void fontCacheInvalidated() override; | 67 void fontCacheInvalidated() override; |
70 | 68 |
71 void registerForInvalidationCallbacks(CSSFontSelectorClient*); | 69 void registerForInvalidationCallbacks(CSSFontSelectorClient*); |
72 void unregisterForInvalidationCallbacks(CSSFontSelectorClient*); | 70 void unregisterForInvalidationCallbacks(CSSFontSelectorClient*); |
73 | 71 |
74 Document* document() const { return m_document; } | 72 Document* document() const { return m_document; } |
| 73 FontFaceCache* fontFaceCache() { return &m_fontFaceCache; } |
75 | 74 |
76 const GenericFontFamilySettings& genericFontFamilySettings() const { | 75 const GenericFontFamilySettings& genericFontFamilySettings() const { |
77 return m_genericFontFamilySettings; | 76 return m_genericFontFamilySettings; |
78 } | 77 } |
79 void updateGenericFontFamilySettings(Document&); | 78 void updateGenericFontFamilySettings(Document&); |
80 | 79 |
81 DECLARE_VIRTUAL_TRACE(); | 80 DECLARE_VIRTUAL_TRACE(); |
82 | 81 |
83 protected: | 82 protected: |
84 explicit CSSFontSelector(Document*); | 83 explicit CSSFontSelector(Document*); |
85 | 84 |
86 void dispatchInvalidationCallbacks(); | 85 void dispatchInvalidationCallbacks(); |
87 | 86 |
88 private: | 87 private: |
89 CSSSegmentedFontFace* getFontFaceFromCache( | |
90 const FontDescription& fontDescription, | |
91 const AtomicString& family) { | |
92 return m_document->fontFaceCache()->get(fontDescription, family); | |
93 } | |
94 | |
95 // TODO(Oilpan): Ideally this should just be a traced Member but that will | 88 // TODO(Oilpan): Ideally this should just be a traced Member but that will |
96 // currently leak because ComputedStyle and its data are not on the heap. | 89 // currently leak because ComputedStyle and its data are not on the heap. |
97 // See crbug.com/383860 for details. | 90 // See crbug.com/383860 for details. |
98 WeakMember<Document> m_document; | 91 WeakMember<Document> m_document; |
| 92 // FIXME: Move to Document or StyleEngine. |
| 93 FontFaceCache m_fontFaceCache; |
99 HeapHashSet<WeakMember<CSSFontSelectorClient>> m_clients; | 94 HeapHashSet<WeakMember<CSSFontSelectorClient>> m_clients; |
100 GenericFontFamilySettings m_genericFontFamilySettings; | 95 GenericFontFamilySettings m_genericFontFamilySettings; |
101 }; | 96 }; |
102 | 97 |
103 } // namespace blink | 98 } // namespace blink |
104 | 99 |
105 #endif // CSSFontSelector_h | 100 #endif // CSSFontSelector_h |
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