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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_LOADER_H_ | 5 #ifndef COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_LOADER_H_ |
6 #define COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_LOADER_H_ | 6 #define COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_LOADER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "base/containers/hash_tables.h" | 10 #include "base/containers/hash_tables.h" |
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36 public internal::MappedFontFile::Observer { | 36 public internal::MappedFontFile::Observer { |
37 public: | 37 public: |
38 explicit FontLoader(mojo::Connector* connector); | 38 explicit FontLoader(mojo::Connector* connector); |
39 ~FontLoader() override; | 39 ~FontLoader() override; |
40 | 40 |
41 // Shuts down the background thread. | 41 // Shuts down the background thread. |
42 void Shutdown(); | 42 void Shutdown(); |
43 | 43 |
44 // SkFontConfigInterface: | 44 // SkFontConfigInterface: |
45 bool matchFamilyName(const char family_name[], | 45 bool matchFamilyName(const char family_name[], |
46 SkTypeface::Style requested, | 46 SkFontStyle requested, |
47 FontIdentity* out_font_identifier, | 47 FontIdentity* out_font_identifier, |
48 SkString* out_family_name, | 48 SkString* out_family_name, |
49 SkTypeface::Style* out_style) override; | 49 SkFontStyle* out_style) override; |
50 SkStreamAsset* openStream(const FontIdentity& identity) override; | 50 SkStreamAsset* openStream(const FontIdentity& identity) override; |
51 | 51 |
52 private: | 52 private: |
53 // internal::MappedFontFile::Observer: | 53 // internal::MappedFontFile::Observer: |
54 void OnMappedFontFileDestroyed(internal::MappedFontFile* f) override; | 54 void OnMappedFontFileDestroyed(internal::MappedFontFile* f) override; |
55 | 55 |
56 // Thread to own the mojo message pipe. Because FontLoader can be called on | 56 // Thread to own the mojo message pipe. Because FontLoader can be called on |
57 // multiple threads, we create a dedicated thread to send and receive mojo | 57 // multiple threads, we create a dedicated thread to send and receive mojo |
58 // message calls. | 58 // message calls. |
59 scoped_refptr<internal::FontServiceThread> thread_; | 59 scoped_refptr<internal::FontServiceThread> thread_; |
60 | 60 |
61 // Lock preventing multiple threads from opening font file and accessing | 61 // Lock preventing multiple threads from opening font file and accessing |
62 // |mapped_font_files_| map at the same time. | 62 // |mapped_font_files_| map at the same time. |
63 base::Lock lock_; | 63 base::Lock lock_; |
64 | 64 |
65 // Maps font identity ID to the memory-mapped file with font data. | 65 // Maps font identity ID to the memory-mapped file with font data. |
66 base::hash_map<uint32_t, internal::MappedFontFile*> mapped_font_files_; | 66 base::hash_map<uint32_t, internal::MappedFontFile*> mapped_font_files_; |
67 | 67 |
68 DISALLOW_COPY_AND_ASSIGN(FontLoader); | 68 DISALLOW_COPY_AND_ASSIGN(FontLoader); |
69 }; | 69 }; |
70 | 70 |
71 } // namespace font_service | 71 } // namespace font_service |
72 | 72 |
73 #endif // COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_LOADER_H_ | 73 #endif // COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_LOADER_H_ |
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