1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // This file contains utility functions for locale change. 6 7 #ifndef CHROME_BROWSER_CHROMEOS_BASE_LOCALE_UTIL_H_ 8 #define CHROME_BROWSER_CHROMEOS_BASE_LOCALE_UTIL_H_ 9 10 #include <string> 11 12 #include "base/memory/scoped_ptr.h" 13 14 namespace base { 15 16 template <typename T> 17 class Callback; 18 19 } // namespace base 20 21 namespace chromeos { 22 namespace locale_util { 23 24 // This callback is called on UI thread, when ReloadLocaleResources() is 25 // completed on BlockingPool. 26 // Arguments: 27 // locale - (copy of) locale argument to SwitchLanguage(). Expected locale. 28 // loaded_locale - actual locale name loaded. 29 // success - if locale load succeeded. 30 // (const std::string* locale, const std::string* loaded_locale, bool success) 31 typedef base::Callback<void(const std::string&, const std::string&, bool)> 32 SwitchLanguageCallback; 33 34 // This function updates input methods only if requested. In general, you want 35 // |enable_locale_keyboard_layouts = true|. 36 // Note: in case of |enable_locale_keyboard_layouts = false|, the input method 37 // currently in use may not be supported by the new locale. Using the new locale 38 // with an unsupported input method may lead to undefined behavior. Use 39 // |enable_locale_keyboard_layouts = false| with caution. 40 // Note 2: |login_layouts_only = true| enables only login-capable layouts. 41 void SwitchLanguage(const std::string& locale, 42 const bool enable_locale_keyboard_layouts, 43 const bool login_layouts_only, 44 scoped_ptr<SwitchLanguageCallback> callback); 45 46 } // namespace locale_util 47 } // namespace chromeos 48 49 #endif // CHROME_BROWSER_CHROMEOS_BASE_LOCALE_UTIL_H_ 50