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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_BROWSER_VIEWS_OPTIONS_LANGUAGE_COMBOBOX_MODEL_H__
#define CHROME_BROWSER_VIEWS_OPTIONS_LANGUAGE_COMBOBOX_MODEL_H__
#include "chrome/browser/profile.h"
#include "chrome/views/combo_box.h"
///////////////////////////////////////////////////////////////////////////////
// LanguageComboboxModel
// The model that fills the dropdown of valid UI languages.
class LanguageComboboxModel : public ChromeViews::ComboBox::Model {
public:
struct LocaleData {
LocaleData() { }
LocaleData(const std::wstring& name, const std::wstring& code)
: native_name(name), locale_code(code) { }
std::wstring native_name;
std::wstring locale_code; // E.g., en-us.
};
typedef std::map<std::wstring, LocaleData> LocaleDataMap;
LanguageComboboxModel();
// Overload using a profile and customized local_codes vector.
LanguageComboboxModel(Profile* profile,
const std::vector<std::wstring>& locale_codes);
virtual ~LanguageComboboxModel() {}
void InitNativeNames(const std::vector<std::wstring>& locale_codes);
// Overridden from ChromeViews::Combobox::Model:
virtual int GetItemCount(ChromeViews::ComboBox* source);
virtual std::wstring GetItemAt(ChromeViews::ComboBox* source, int index);
// Return the locale for the given index. E.g., may return pt-BR.
std::wstring 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::wstring& 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 name 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_EVIL_CONSTRUCTORS(LanguageComboboxModel);
};
#endif // #ifndef CHROME_BROWSER_VIEWS_OPTIONS_LANGUAGE_COMBOBOX_MODEL_H__
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