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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // This class implements a simplified and much stripped down version of | 5 // This class implements a simplified and much stripped down version of |
6 // Chrome's app/resource_bundle machinery. It notably avoids unwanted | 6 // Chrome's app/resource_bundle machinery. It notably avoids unwanted |
7 // dependencies on things like Skia. | 7 // dependencies on things like Skia. |
8 // | 8 // |
9 | 9 |
10 #ifndef CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_ | 10 #ifndef CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_ |
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36 | 36 |
37 // Retrieves the HINSTANCE of the loaded module handle. May be NULL if a | 37 // Retrieves the HINSTANCE of the loaded module handle. May be NULL if a |
38 // resource DLL could not be loaded. | 38 // resource DLL could not be loaded. |
39 HMODULE GetResourceModuleHandle(); | 39 HMODULE GetResourceModuleHandle(); |
40 | 40 |
41 // Retrieves the preferred languages for the current thread, adding them to | 41 // Retrieves the preferred languages for the current thread, adding them to |
42 // |language_tags|. | 42 // |language_tags|. |
43 static void GetPreferredLanguages(std::vector<std::wstring>* language_tags); | 43 static void GetPreferredLanguages(std::vector<std::wstring>* language_tags); |
44 | 44 |
45 // Populates |locales_path| with the path to the "Locales" directory. | 45 // Populates |locales_path| with the path to the "Locales" directory. |
46 static void DetermineLocalesDirectory(FilePath* locales_path); | 46 static void DetermineLocalesDirectory(base::FilePath* locales_path); |
47 | 47 |
48 // Returns false if |language_tag| is malformed. | 48 // Returns false if |language_tag| is malformed. |
49 static bool IsValidLanguageTag(const std::wstring& language_tag); | 49 static bool IsValidLanguageTag(const std::wstring& language_tag); |
50 | 50 |
51 private: | 51 private: |
52 SimpleResourceLoader(); | 52 SimpleResourceLoader(); |
53 ~SimpleResourceLoader(); | 53 ~SimpleResourceLoader(); |
54 | 54 |
55 // Finds the most-preferred resource dll and language pack for the laguages | 55 // Finds the most-preferred resource dll and language pack for the laguages |
56 // in |language_tags| | 56 // in |language_tags| |
57 // in |locales_path|. | 57 // in |locales_path|. |
58 // | 58 // |
59 // Returns true on success with a handle to the DLL that was loaded in | 59 // Returns true on success with a handle to the DLL that was loaded in |
60 // |dll_handle|, the data pack in |data_pack| and the locale language in | 60 // |dll_handle|, the data pack in |data_pack| and the locale language in |
61 // the |language| parameter. | 61 // the |language| parameter. |
62 static bool LoadLocalePack(const std::vector<std::wstring>& language_tags, | 62 static bool LoadLocalePack(const std::vector<std::wstring>& language_tags, |
63 const FilePath& locales_path, | 63 const base::FilePath& locales_path, |
64 HMODULE* dll_handle, | 64 HMODULE* dll_handle, |
65 ui::DataPack** data_pack, | 65 ui::DataPack** data_pack, |
66 std::wstring* language); | 66 std::wstring* language); |
67 | 67 |
68 // Returns the string resource identified by message_id from the currently | 68 // Returns the string resource identified by message_id from the currently |
69 // loaded locale dll. | 69 // loaded locale dll. |
70 std::wstring GetLocalizedResource(int message_id); | 70 std::wstring GetLocalizedResource(int message_id); |
71 | 71 |
72 friend struct DefaultSingletonTraits<SimpleResourceLoader>; | 72 friend struct DefaultSingletonTraits<SimpleResourceLoader>; |
73 | 73 |
74 FRIEND_TEST_ALL_PREFIXES(SimpleResourceLoaderTest, LoadLocaleDll); | 74 FRIEND_TEST_ALL_PREFIXES(SimpleResourceLoaderTest, LoadLocaleDll); |
75 | 75 |
76 std::wstring language_; | 76 std::wstring language_; |
77 ui::DataPack* data_pack_; | 77 ui::DataPack* data_pack_; |
78 | 78 |
79 HINSTANCE locale_dll_handle_; | 79 HINSTANCE locale_dll_handle_; |
80 }; | 80 }; |
81 | 81 |
82 #endif // CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_ | 82 #endif // CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_ |
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