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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_TETHER_DISCONNECT_TETHERING_REQUEST_SENDER_H_
#define CHROMEOS_ASH_COMPONENTS_TETHER_DISCONNECT_TETHERING_REQUEST_SENDER_H_
#include "base/observer_list.h"
namespace ash {
namespace tether {
// Sends a DisconnectTetheringRequest to the formerly active host. Supports
// multiple concurrent messages.
class DisconnectTetheringRequestSender {
public:
class Observer {
public:
Observer() {}
virtual ~Observer() {}
virtual void OnPendingDisconnectRequestsComplete() {}
};
DisconnectTetheringRequestSender();
DisconnectTetheringRequestSender(const DisconnectTetheringRequestSender&) =
delete;
DisconnectTetheringRequestSender& operator=(
const DisconnectTetheringRequestSender&) = delete;
virtual ~DisconnectTetheringRequestSender();
// Sends a DisconnectTetheringRequest to the device with the given ID.
virtual void SendDisconnectRequestToDevice(const std::string& device_id) = 0;
// Returns whether at least one DisconnectTetheringRequest is still in the
// process of being sent.
virtual bool HasPendingRequests() = 0;
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
protected:
void NotifyPendingDisconnectRequestsComplete();
private:
base::ObserverList<Observer>::Unchecked observer_list_;
};
} // namespace tether
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_TETHER_DISCONNECT_TETHERING_REQUEST_SENDER_H_
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