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// Copyright (c) 2010 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_NOTIFICATIONS_NOTIFICATION_DELEGATE_H_
#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_DELEGATE_H_
#include <string>
#include "base/ref_counted.h"
// Delegate for a notification. This class has two role, to implement
// callback methods for notification, and provides an identify of
// the associated notification.
class NotificationDelegate
: public base::RefCountedThreadSafe<NotificationDelegate> {
public:
// To be called when the desktop notification is actually shown.
virtual void Display() = 0;
// To be called when the desktop notification cannot be shown due to an
// error.
virtual void Error() = 0;
// To be called when the desktop notification is closed. If closed by a
// user explicitly (as opposed to timeout/script), |by_user| should be true.
virtual void Close(bool by_user) = 0;
// Returns unique id of the notification.
virtual std::string id() const = 0;
protected:
virtual ~NotificationDelegate() {}
private:
friend class base::RefCountedThreadSafe<NotificationDelegate>;
};
#endif // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_DELEGATE_H_
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