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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_LOCALE_CHANGE_GUARD_H_
#define CHROME_BROWSER_CHROMEOS_LOCALE_CHANGE_GUARD_H_
#pragma once
#include "base/lazy_instance.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/chromeos/notifications/system_notification.h"
#include "chrome/browser/notifications/notification_delegate.h"
#include "chrome/browser/profiles/profile.h"
class ListValue;
class TabContents;
namespace chromeos {
class LocaleChangeGuard {
public:
// When called first time for user profile: performs check whether
// locale has been changed automatically recently (based on synchronized user
// preference). If so: shows notification that allows user to revert change.
// On subsequent calls: does nothing (hopefully fast).
static void Check(TabContents* tab_contents);
private:
class Delegate : public NotificationDelegate {
public:
explicit Delegate(chromeos::LocaleChangeGuard* master) : master_(master) {}
void Close(bool by_user);
void Display() {}
void Error() {}
void Click() {}
std::string id() const;
private:
chromeos::LocaleChangeGuard* master_;
DISALLOW_COPY_AND_ASSIGN(Delegate);
};
LocaleChangeGuard();
void CheckLocaleChange(TabContents* tab_contents);
void RevertLocaleChange(const ListValue* list);
void AcceptLocaleChange();
std::string from_locale_;
std::string to_locale_;
ProfileId profile_id_;
TabContents* tab_contents_;
scoped_ptr<chromeos::SystemNotification> note_;
bool reverted_;
friend struct base::DefaultLazyInstanceTraits<LocaleChangeGuard>;
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_LOCALE_CHANGE_GUARD_H_
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