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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 CONTENT_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_ |
7 | 7 |
8 #include <dwrite.h> | 8 #include <dwrite.h> |
| 9 #include <dwrite_2.h> |
9 #include <wrl.h> | 10 #include <wrl.h> |
10 #include <set> | 11 #include <set> |
11 #include <utility> | 12 #include <utility> |
12 #include <vector> | 13 #include <vector> |
13 | 14 |
14 #include "base/location.h" | 15 #include "base/location.h" |
15 #include "base/macros.h" | 16 #include "base/macros.h" |
16 #include "base/strings/string16.h" | 17 #include "base/strings/string16.h" |
17 #include "content/common/content_export.h" | 18 #include "content/common/content_export.h" |
18 #include "content/public/browser/browser_message_filter.h" | 19 #include "content/public/browser/browser_message_filter.h" |
19 #include "content/public/browser/browser_thread.h" | 20 #include "content/public/browser/browser_thread.h" |
20 | 21 |
| 22 struct DWriteFontStyle; |
| 23 struct MapCharactersResult; |
| 24 |
21 namespace content { | 25 namespace content { |
22 | 26 |
23 // Implements a message filter that handles the dwrite font proxy messages. | 27 // Implements a message filter that handles the dwrite font proxy messages. |
24 // If DWrite is enabled, calls into the system font collection to obtain | 28 // If DWrite is enabled, calls into the system font collection to obtain |
25 // results. Otherwise, acts as if the system collection contains no fonts. | 29 // results. Otherwise, acts as if the system collection contains no fonts. |
26 class CONTENT_EXPORT DWriteFontProxyMessageFilter | 30 class CONTENT_EXPORT DWriteFontProxyMessageFilter |
27 : public BrowserMessageFilter { | 31 : public BrowserMessageFilter { |
28 public: | 32 public: |
29 DWriteFontProxyMessageFilter(); | 33 DWriteFontProxyMessageFilter(); |
30 | 34 |
31 // BrowserMessageFilter: | 35 // BrowserMessageFilter: |
32 bool OnMessageReceived(const IPC::Message& message) override; | 36 bool OnMessageReceived(const IPC::Message& message) override; |
33 void OverrideThreadForMessage(const IPC::Message& message, | 37 void OverrideThreadForMessage(const IPC::Message& message, |
34 content::BrowserThread::ID* thread) override; | 38 content::BrowserThread::ID* thread) override; |
35 | 39 |
36 protected: | 40 protected: |
37 ~DWriteFontProxyMessageFilter() override; | 41 ~DWriteFontProxyMessageFilter() override; |
38 | 42 |
39 void OnFindFamily(const base::string16& family_name, UINT32* family_index); | 43 void OnFindFamily(const base::string16& family_name, UINT32* family_index); |
40 void OnGetFamilyCount(UINT32* count); | 44 void OnGetFamilyCount(UINT32* count); |
41 void OnGetFamilyNames( | 45 void OnGetFamilyNames( |
42 UINT32 family_index, | 46 UINT32 family_index, |
43 std::vector<std::pair<base::string16, base::string16>>* family_names); | 47 std::vector<std::pair<base::string16, base::string16>>* family_names); |
44 void OnGetFontFiles(UINT32 family_index, | 48 void OnGetFontFiles(UINT32 family_index, |
45 std::vector<base::string16>* file_paths); | 49 std::vector<base::string16>* file_paths); |
| 50 void OnMapCharacters(const base::string16& text, |
| 51 const DWriteFontStyle& font_style, |
| 52 const base::string16& locale_name, |
| 53 uint32_t reading_direction, |
| 54 const base::string16& base_family_name, |
| 55 MapCharactersResult* result); |
46 | 56 |
47 void InitializeDirectWrite(); | 57 void InitializeDirectWrite(); |
48 | 58 |
49 private: | 59 private: |
50 bool AddFilesForFont(std::set<base::string16>* path_set, IDWriteFont* font); | 60 bool AddFilesForFont(std::set<base::string16>* path_set, IDWriteFont* font); |
51 bool AddLocalFile(std::set<base::string16>* path_set, | 61 bool AddLocalFile(std::set<base::string16>* path_set, |
52 IDWriteLocalFontFileLoader* local_loader, | 62 IDWriteLocalFontFileLoader* local_loader, |
53 IDWriteFontFile* font_file); | 63 IDWriteFontFile* font_file); |
54 | 64 |
55 private: | 65 private: |
56 bool direct_write_initialized_ = false; | 66 bool direct_write_initialized_ = false; |
57 Microsoft::WRL::ComPtr<IDWriteFontCollection> collection_; | 67 Microsoft::WRL::ComPtr<IDWriteFontCollection> collection_; |
| 68 Microsoft::WRL::ComPtr<IDWriteFactory2> factory2_; |
| 69 Microsoft::WRL::ComPtr<IDWriteFontFallback> font_fallback_; |
58 base::string16 windows_fonts_path_; | 70 base::string16 windows_fonts_path_; |
59 | 71 |
60 DISALLOW_COPY_AND_ASSIGN(DWriteFontProxyMessageFilter); | 72 DISALLOW_COPY_AND_ASSIGN(DWriteFontProxyMessageFilter); |
61 }; | 73 }; |
62 | 74 |
63 } // namespace content | 75 } // namespace content |
64 | 76 |
65 #endif // CONTENT_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_ | 77 #endif // CONTENT_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_ |
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