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// Copyright (c) 2010 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_CHROMEOS_DOM_UI_LANGUAGE_OPTIONS_HANDLER_H_
#define CHROME_BROWSER_CHROMEOS_DOM_UI_LANGUAGE_OPTIONS_HANDLER_H_
#pragma once
#include "chrome/browser/chromeos/input_method/input_method_util.h"
#include "chrome/browser/dom_ui/options/options_ui.h"
class DictionaryValue;
class ListValue;
namespace chromeos {
// ChromeOS language options page UI handler.
class LanguageOptionsHandler : public OptionsPageUIHandler {
public:
LanguageOptionsHandler();
virtual ~LanguageOptionsHandler();
// OptionsUIHandler implementation.
virtual void GetLocalizedValues(DictionaryValue* localized_strings);
// DOMMessageHandler implementation.
virtual void RegisterMessages();
// The following static methods are public for ease of testing.
// Gets the list of input methods from the given input descriptors.
// The return value will look like:
// [{'id': 'pinyin', 'displayName': 'Pinyin',
// 'languageCodeSet': {'zh-CW': true}}, ...]
//
// Note that true in languageCodeSet does not mean anything. We just use
// the dictionary as a set.
static ListValue* GetInputMethodList(
const InputMethodDescriptors& descriptors);
// Gets the list of languages from the given input descriptors.
// The return value will look like:
// [{'code': 'fi', 'displayName': 'Finnish', 'nativeDisplayName': 'suomi'},
// ...]
static ListValue* GetLanguageList(const InputMethodDescriptors& descriptors);
// 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 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 DictionaryValue* GetSpellCheckLanguageCodeSet();
private:
// Called when the input method is disabled.
// |args| will contain the input method ID as string (ex. "mozc").
void InputMethodDisableCallback(const ListValue* args);
// Called when the input method is enabled.
// |args| will contain the input method ID as string (ex. "mozc").
void InputMethodEnableCallback(const ListValue* args);
// Called when the input method options page is opened.
// |args| will contain the input method ID as string (ex. "mozc").
void InputMethodOptionsOpenCallback(const ListValue* args);
// Called when the language options is opened.
void LanguageOptionsOpenCallback(const ListValue* args);
// Called when the UI language is changed.
// |args| will contain the language code as string (ex. "fr").
void UiLanguageChangeCallback(const ListValue* args);
// Called when the spell check language is changed.
// |args| will contain the language code as string (ex. "fr").
void SpellCheckLanguageChangeCallback(const ListValue* args);
// Called when the sign out button is clicked.
void SignOutCallback(const ListValue* args);
DISALLOW_COPY_AND_ASSIGN(LanguageOptionsHandler);
};
} // namespace
#endif // CHROME_BROWSER_CHROMEOS_DOM_UI_LANGUAGE_OPTIONS_HANDLER_H_
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