Options2: Pull the trigger.

chrome/browser/ui/webui/options2/language_options_handler_common.h

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_LANGUAGE_OPTIONS_HANDLER_COMMON_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_LANGUAGE_OPTIONS_HANDLER_COMMON_H_
+#pragma once
+
+#include "chrome/browser/ui/webui/options2/options_ui2.h"
+
+namespace base {
+class DictionaryValue;
+class ListValue;
+}
+
+// The base class for language options page UI handlers.  This class has code
+// common to the Chrome OS and non-Chrome OS implementation of the handler.
+class LanguageOptionsHandlerCommon : public OptionsPage2UIHandler {
+ public:
+  LanguageOptionsHandlerCommon();
+  virtual ~LanguageOptionsHandlerCommon();
+
+  // OptionsPage2UIHandler implementation.
+  virtual void GetLocalizedValues(
+      base::DictionaryValue* localized_strings) OVERRIDE;
+
+  // DOMMessageHandler implementation.
+  virtual void RegisterMessages() OVERRIDE;
+
+  // The following static methods are public for ease of testing.
+
+  // Gets the set of language codes that can be used as UI language.
+  // The return value will look like:
+  // {'en-US': true, 'fi': true, 'fr': true, ...}
+  //
+  // Note that true in values does not mean anything. We just use the
+  // dictionary as a set.
+  static base::DictionaryValue* GetUILanguageCodeSet();
+
+  // Gets the set of language codes that can be used for spellchecking.
+  // The return value will look like:
+  // {'en-US': true, 'fi': true, 'fr': true, ...}
+  //
+  // Note that true in values does not mean anything. We just use the
+  // dictionary as a set.
+  static base::DictionaryValue* GetSpellCheckLanguageCodeSet();
+
+ private:
+  // Returns the name of the product (ex. "Chrome" or "Chrome OS").
+  virtual string16 GetProductName() = 0;
+
+  // Sets the application locale.
+  virtual void SetApplicationLocale(const std::string& language_code) = 0;
+
+  // Called when the language options is opened.
+  void LanguageOptionsOpenCallback(const base::ListValue* args);
+
+  // Called when the UI language is changed.
+  // |args| will contain the language code as string (ex. "fr").
+  void UiLanguageChangeCallback(const base::ListValue* args);
+
+  // Called when the spell check language is changed.
+  // |args| will contain the language code as string (ex. "fr").
+  void SpellCheckLanguageChangeCallback(const base::ListValue* args);
+
+  DISALLOW_COPY_AND_ASSIGN(LanguageOptionsHandlerCommon);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_LANGUAGE_OPTIONS_HANDLER_COMMON_H_