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// Copyright 2014 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_PROXIMITY_AUTH_MESSENGER_H_
#define CHROMEOS_ASH_COMPONENTS_PROXIMITY_AUTH_MESSENGER_H_
namespace ash {
namespace secure_channel {
class ClientChannel;
}
} // namespace ash
namespace proximity_auth {
class MessengerObserver;
// A messenger handling the Easy Unlock protocol, capable of parsing events from
// the remote device and sending events for the local device.
class Messenger {
public:
virtual ~Messenger() {}
// Adds or removes an observer for Messenger events.
virtual void AddObserver(MessengerObserver* observer) = 0;
virtual void RemoveObserver(MessengerObserver* observer) = 0;
// Sends an unlock event message to the remote device.
virtual void DispatchUnlockEvent() = 0;
// Sends a simple request to the remote device to unlock the screen.
// OnUnlockResponse is called for each observer when the response is returned.
virtual void RequestUnlock() = 0;
virtual ash::secure_channel::ClientChannel* GetChannel() const = 0;
};
} // namespace proximity_auth
#endif // CHROMEOS_ASH_COMPONENTS_PROXIMITY_AUTH_MESSENGER_H_
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