chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.h

   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 <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/macros.h"
  12 #include "chrome/browser/ui/webui/options/language_options_handler.h"
  13 #include "ui/base/ime/chromeos/component_extension_ime_manager.h"
  14 #include "ui/base/ime/chromeos/input_method_descriptor.h"
  15
  16 namespace chromeos {
  17 namespace options {
  18
  19 // Language options page UI handler for Chrome OS.  For non-Chrome OS,
  20 // see LanguageOptionsHnadler.
  21 class CrosLanguageOptionsHandler
  22     : public ::options::LanguageOptionsHandlerCommon {
  23  public:
  24   CrosLanguageOptionsHandler();
  25   ~CrosLanguageOptionsHandler() override;
  26
  27   // OptionsPageUIHandler implementation.
  28   void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
  29
  30   // DOMMessageHandler implementation.
  31   void RegisterMessages() override;
  32
  33   // The following static methods are public for ease of testing.
  34
  35   // Gets the list of supported input methods.
  36   // The return value will look like:
  37   // [{'id': 'pinyin', 'displayName': 'Pinyin',
  38   //   'languageCodeSet': {'zh-CW': true}},  ...]
  39   //
  40   // Note that true in languageCodeSet does not mean anything. We just use
  41   // the dictionary as a set.
  42   static base::ListValue* GetInputMethodList();
  43
  44   // Converts input method descriptors to the list of input methods.
  45   // The return value will look like:
  46   // [{'id': '_ext_ime_nejguenhnsnjnwychcnsdsdjketest',
  47   //   'displayName': 'Sample IME'},  ...]
  48   static base::ListValue* ConvertInputMethodDescriptorsToIMEList(
  49       const input_method::InputMethodDescriptors& descriptors);
  50
  51  private:
  52   // LanguageOptionsHandlerCommon implementation.
  53   base::string16 GetProductName() override;
  54   void SetApplicationLocale(const std::string& language_code) override;
  55
  56   // Called when the sign-out button is clicked.
  57   void RestartCallback(const base::ListValue* args);
  58
  59   // Called when the input method is disabled.
  60   // |args| will contain the input method ID as string (ex. "mozc").
  61   void InputMethodDisableCallback(const base::ListValue* args);
  62
  63   // Called when the input method is enabled.
  64   // |args| will contain the input method ID as string (ex. "mozc").
  65   void InputMethodEnableCallback(const base::ListValue* args);
  66
  67   // Called when the input method options page is opened.
  68   // |args| will contain the input method ID as string (ex. "mozc").
  69   void InputMethodOptionsOpenCallback(const base::ListValue* args);
  70
  71   // Adds the name of the extension that provides the IME to each entry in the
  72   // |list| of extension IMEs.
  73   void AddImeProvider(base::ListValue* list);
  74
  75   DISALLOW_COPY_AND_ASSIGN(CrosLanguageOptionsHandler);
  76 };
  77
  78 }  // namespace options
  79 }  // namespace chromeos
  80
  81 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER_H_