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// Copyright 2017 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 CHROMEOS_SERVICES_DEVICE_SYNC_REMOTE_DEVICE_PROVIDER_H_
#define CHROMEOS_SERVICES_DEVICE_SYNC_REMOTE_DEVICE_PROVIDER_H_
#include "base/observer_list.h"
#include "chromeos/components/multidevice/remote_device.h"
namespace chromeos {
namespace device_sync {
// This class generates and caches chromeos::multidevice::RemoteDevice objects
// when associated metadata has been synced, and updates this cache when a new
// sync occurs.
class RemoteDeviceProvider {
public:
class Observer {
public:
virtual void OnSyncDeviceListChanged() {}
protected:
virtual ~Observer() = default;
};
RemoteDeviceProvider();
virtual ~RemoteDeviceProvider();
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
// Returns a list of all chromeos::multidevice::RemoteDevices that have been
// synced.
virtual const chromeos::multidevice::RemoteDeviceList& GetSyncedDevices()
const = 0;
protected:
void NotifyObserversDeviceListChanged();
private:
base::ObserverList<Observer>::Unchecked observers_;
};
} // namespace device_sync
} // namespace chromeos
#endif // CHROMEOS_SERVICES_DEVICE_SYNC_REMOTE_DEVICE_PROVIDER_H_