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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 CHROME_UTILITY_FONT_CACHE_HANDLER_WIN_H_ | 5 #ifndef CHROME_UTILITY_FONT_CACHE_HANDLER_WIN_H_ |
6 #define CHROME_UTILITY_FONT_CACHE_HANDLER_WIN_H_ | 6 #define CHROME_UTILITY_FONT_CACHE_HANDLER_WIN_H_ |
7 | 7 |
8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
11 #include "chrome/utility/utility_message_handler.h" | 11 #include "chrome/utility/utility_message_handler.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 class TaskRunner; | 14 class TaskRunner; |
15 class Thread; | 15 class Thread; |
16 } | 16 } |
17 | 17 |
18 // Handles requests to build a static direct write font cache. Must be invoked | 18 // Handles requests to build a static direct write font cache. Must be invoked |
19 // in a non-sandboxed utility process. We build static font cache in utility | 19 // in a non-sandboxed utility process. We build static font cache in utility |
20 // process as it is time consuming as well as crash prone thing. We already | 20 // process as it is time consuming as well as crash prone thing. We already |
21 // have fall back of loading fonts from system fonts directory in place, so even | 21 // have fall back of loading fonts from system fonts directory in place, so even |
22 // if we fail to build static cache in utility process, chrome will still | 22 // if we fail to build static cache in utility process, chrome will still |
23 // continue to run as is. | 23 // continue to run as is. |
24 class FontCacheHandler : public UtilityMessageHandler { | 24 class FontCacheHandler : public UtilityMessageHandler { |
25 public: | 25 public: |
26 FontCacheHandler() {} | 26 FontCacheHandler() {} |
27 virtual ~FontCacheHandler() {} | 27 ~FontCacheHandler() override {} |
28 | 28 |
29 // IPC::Listener implementation | 29 // IPC::Listener implementation |
30 virtual bool OnMessageReceived(const IPC::Message& message) override; | 30 bool OnMessageReceived(const IPC::Message& message) override; |
31 | 31 |
32 private: | 32 private: |
33 void OnBuildFontCache(const base::FilePath& full_path); | 33 void OnBuildFontCache(const base::FilePath& full_path); |
34 void StartBuildingFontCache(const base::FilePath& full_path); | 34 void StartBuildingFontCache(const base::FilePath& full_path); |
35 void Cleanup(); | 35 void Cleanup(); |
36 | 36 |
37 scoped_refptr<base::TaskRunner> utility_task_runner_; | 37 scoped_refptr<base::TaskRunner> utility_task_runner_; |
38 | 38 |
39 // Thread that caching process runs on, while FontCacheHandler handles | 39 // Thread that caching process runs on, while FontCacheHandler handles |
40 // messages from the browser process. | 40 // messages from the browser process. |
41 scoped_ptr<base::Thread> cache_thread_; | 41 scoped_ptr<base::Thread> cache_thread_; |
42 | 42 |
43 DISALLOW_COPY_AND_ASSIGN(FontCacheHandler); | 43 DISALLOW_COPY_AND_ASSIGN(FontCacheHandler); |
44 }; | 44 }; |
45 | 45 |
46 #endif // CHROME_UTILITY_FONT_CACHE_HANDLER_WIN_H_ | 46 #endif // CHROME_UTILITY_FONT_CACHE_HANDLER_WIN_H_ |
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