1 // Copyright (c) 2012 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 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER_H_ 6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER_H_ 7 8 #include "base/compiler_specific.h" 9 #include "chrome/browser/ui/webui/options/language_options_handler.h" 10 #include "chromeos/ime/component_extension_ime_manager.h" 11 #include "chromeos/ime/input_method_descriptor.h" 12 13 namespace chromeos { 14 namespace options { 15 16 // Language options page UI handler for Chrome OS. For non-Chrome OS, 17 // see LanguageOptionsHnadler. 18 class CrosLanguageOptionsHandler 19 : public ::options::LanguageOptionsHandlerCommon, 20 public ComponentExtensionIMEManager::Observer { 21 public: 22 CrosLanguageOptionsHandler(); 23 virtual ~CrosLanguageOptionsHandler(); 24 25 // OptionsPageUIHandler implementation. 26 virtual void GetLocalizedValues( 27 base::DictionaryValue* localized_strings) OVERRIDE; 28 29 // DOMMessageHandler implementation. 30 virtual void RegisterMessages() OVERRIDE; 31 32 // The following static methods are public for ease of testing. 33 34 // Gets the list of input methods from the given input descriptors. 35 // The return value will look like: 36 // [{'id': 'pinyin', 'displayName': 'Pinyin', 37 // 'languageCodeSet': {'zh-CW': true}}, ...] 38 // 39 // Note that true in languageCodeSet does not mean anything. We just use 40 // the dictionary as a set. 41 static base::ListValue* GetInputMethodList( 42 const input_method::InputMethodDescriptors& descriptors); 43 44 // Gets the list of accept languages with the given input descriptors. 45 // Listed languages will be used as Accept-Language header. 46 // The return value will look like: 47 // [{'code': 'fi', 'displayName': 'Finnish', 'nativeDisplayName': 'suomi'}, 48 // ...] 49 static base::ListValue* GetAcceptLanguageList( 50 const input_method::InputMethodDescriptors& descriptors); 51 52 // Gets the list of UI languages with the given input descriptors. 53 // The return value will look like: 54 // [{'code': 'fi', 'displayName': 'Finnish', 'nativeDisplayName': 'suomi'}, 55 // ...] 56 static base::ListValue* GetUILanguageList( 57 const input_method::InputMethodDescriptors& descriptors); 58 59 // Converts input method descriptors to the list of input methods. 60 // The return value will look like: 61 // [{'id': '_ext_ime_nejguenhnsnjnwychcnsdsdjketest', 62 // 'displayName': 'Sample IME'}, ...] 63 static base::ListValue* ConvertInputMethodDescriptosToIMEList( 64 const input_method::InputMethodDescriptors& descriptors); 65 66 private: 67 // LanguageOptionsHandlerCommon implementation. 68 virtual string16 GetProductName() OVERRIDE; 69 virtual void SetApplicationLocale(const std::string& language_code) OVERRIDE; 70 71 // Called when the sign-out button is clicked. 72 void RestartCallback(const base::ListValue* args); 73 74 // Called when the input method is disabled. 75 // |args| will contain the input method ID as string (ex. "mozc"). 76 void InputMethodDisableCallback(const base::ListValue* args); 77 78 // Called when the input method is enabled. 79 // |args| will contain the input method ID as string (ex. "mozc"). 80 void InputMethodEnableCallback(const base::ListValue* args); 81 82 // Called when the input method options page is opened. 83 // |args| will contain the input method ID as string (ex. "mozc"). 84 void InputMethodOptionsOpenCallback(const base::ListValue* args); 85 86 // ComponentExtensionIMEManager::Observer override. 87 virtual void OnInitialized() OVERRIDE; 88 89 // Gets the list of languages with |descriptors| based on 90 // |base_language_codes|. 91 static base::ListValue* GetLanguageListInternal( 92 const input_method::InputMethodDescriptors& descriptors, 93 const std::vector<std::string>& base_language_codes); 94 95 // OptionsPageUIHandler implementation. 96 virtual void InitializePage() OVERRIDE; 97 98 // True if the component extension list was appended into input method list. 99 bool composition_extension_appended_; 100 101 // True if this page was initialized. 102 bool is_page_initialized_; 103 104 DISALLOW_COPY_AND_ASSIGN(CrosLanguageOptionsHandler); 105 }; 106 107 } // namespace options 108 } // namespace chromeos 109 110 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER_H_ 111
