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// 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_CHROMEOS_WEBUI_LANGUAGE_OPTIONS_UTIL_H_
#define CHROME_BROWSER_CHROMEOS_WEBUI_LANGUAGE_OPTIONS_UTIL_H_
#pragma once
#include <string>
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/chromeos/language_preferences.h"
#include "ui/base/l10n/l10n_util.h"
class ListValue;
namespace chromeos {
// Returns an i18n-content value corresponding to |preference|.
template <typename T>
std::string GetI18nContentValue(const T& preference, const char* prefix) {
return std::string(prefix) + preference.ibus_config_name;
}
// Returns a property name of templateData corresponding to |preference|.
template <typename T>
std::string GetTemplateDataPropertyName(const T& preference,
const char* prefix) {
return std::string(prefix) + preference.ibus_config_name + "Value";
}
// Returns an property name of templateData corresponding the value of the min
// attribute.
template <typename T>
std::string GetTemplateDataMinName(const T& preference, const char* prefix) {
return std::string(prefix) + preference.ibus_config_name + "Min";
}
// Returns an property name of templateData corresponding the value of the max
// attribute.
template <typename T>
std::string GetTemplateDataMaxName(const T& preference, const char* prefix) {
return std::string(prefix) + preference.ibus_config_name + "Max";
}
// Creates a Value object from the given value. Here we use function
// overloading to handle string and integer preferences in
// CreateMultipleChoiceList.
Value* CreateValue(const char* in_value);
Value* CreateValue(int in_value);
// Creates a multiple choice list from the given preference.
template <typename T>
ListValue* CreateMultipleChoiceList(
const language_prefs::LanguageMultipleChoicePreference<T>& preference) {
int list_length = 0;
for (size_t i = 0;
i < language_prefs::LanguageMultipleChoicePreference<T>::kMaxItems;
++i) {
if (preference.values_and_ids[i].item_message_id == 0)
break;
++list_length;
}
DCHECK_GT(list_length, 0);
ListValue* list_value = new ListValue();
for (int i = 0; i < list_length; ++i) {
ListValue* option = new ListValue();
option->Append(CreateValue(
preference.values_and_ids[i].ibus_config_value));
option->Append(Value::CreateStringValue(l10n_util::GetStringUTF16(
preference.values_and_ids[i].item_message_id)));
list_value->Append(option);
}
return list_value;
}
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_WEBUI_LANGUAGE_OPTIONS_UTIL_H_
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