Options2: Pull the trigger.

chrome/browser/ui/webui/options2/chromeos/language_options_util.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_CHROMEOS_LANGUAGE_OPTIONS_UTIL_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_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"
+
+namespace base {
+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>
+base::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);
+
+  base::ListValue* list_value = new base::ListValue();
+  for (int i = 0; i < list_length; ++i) {
+    base::ListValue* option = new base::ListValue();
+    option->Append(CreateValue(
+        preference.values_and_ids[i].ibus_config_value));
+    option->Append(base::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_UI_WEBUI_OPTIONS2_CHROMEOS_LANGUAGE_OPTIONS_UTIL_H_