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// Copyright (c) 2009 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_LANGUAGE_COMBOBOX_MODEL_H_
#define CHROME_BROWSER_LANGUAGE_COMBOBOX_MODEL_H_
#include <map>
#include <string>
#include <vector>
#include "app/combobox_model.h"
#include "chrome/browser/profile.h"
///////////////////////////////////////////////////////////////////////////////
// LanguageComboboxModel
// The model that fills the dropdown of valid UI languages.
class LanguageComboboxModel : public ComboboxModel {
public:
struct LocaleData {
LocaleData() { }
LocaleData(const std::wstring& name, const std::string& code)
: native_name(name), locale_code(code) { }
std::wstring native_name;
std::string locale_code; // E.g., en-us.
};
typedef std::map<std::wstring, LocaleData> LocaleDataMap;
LanguageComboboxModel();
// Temporary compatibility constructor.
LanguageComboboxModel(Profile* profile,
const std::vector<std::string>& locale_codes);
virtual ~LanguageComboboxModel() {}
void InitNativeNames(const std::vector<std::string>& locale_codes);
// Overridden from ComboboxModel:
virtual int GetItemCount();
virtual std::wstring GetItemAt(int index);
// Return the locale for the given index. E.g., may return pt-BR.
std::string GetLocaleFromIndex(int index);
// Returns the index for the given locale. Returns -1 if the locale is not
// in the combobox model.
int GetIndexFromLocale(const std::string& locale);
// Returns the index of the language currently specified in the user's
// preference file. Note that it's possible for language A to be picked
// while chrome is currently in language B if the user specified language B
// via --lang. Since --lang is not a persistent setting, it seems that it
// shouldn't be reflected in this combo box. We return -1 if the value in
// the pref doesn't map to a know language (possible if the user edited the
// prefs file manually).
int GetSelectedLanguageIndex(const std::wstring& prefs);
private:
// The names of all the locales in the current application locale.
std::vector<std::wstring> locale_names_;
// A map of some extra data (LocaleData) keyed off the name of the locale.
LocaleDataMap native_names_;
// Profile.
Profile* profile_;
DISALLOW_COPY_AND_ASSIGN(LanguageComboboxModel);
};
#endif // #ifndef CHROME_BROWSER_LANGUAGE_COMBOBOX_MODEL_H_
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