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// Copyright 2020 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_PHONEHUB_FEATURE_STATUS_PROVIDER_H_
#define CHROMEOS_ASH_COMPONENTS_PHONEHUB_FEATURE_STATUS_PROVIDER_H_
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "chromeos/ash/components/phonehub/feature_status.h"
#include "chromeos/ash/services/multidevice_setup/public/cpp/multidevice_setup_client.h"
namespace ash::phonehub {
// Provides the current status of Phone Hub and notifies observers when the
// status changes.
class FeatureStatusProvider {
public:
class Observer : public base::CheckedObserver {
public:
~Observer() override = default;
// Called when the status has changed; use GetStatus() for the new status.
virtual void OnFeatureStatusChanged() = 0;
// Called when there are eligible Phone Hub Hosts
virtual void OnEligiblePhoneHubHostFound(
multidevice::RemoteDeviceRefList device) {}
};
FeatureStatusProvider(const FeatureStatusProvider&) = delete;
FeatureStatusProvider& operator=(const FeatureStatusProvider&) = delete;
virtual ~FeatureStatusProvider();
virtual FeatureStatus GetStatus() const = 0;
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
protected:
FeatureStatusProvider();
void NotifyStatusChanged();
void NotifyEligibleDevicesFound(
const multidevice::RemoteDeviceRefList device);
private:
base::ObserverList<Observer> observer_list_;
};
} // namespace ash::phonehub
#endif // CHROMEOS_ASH_COMPONENTS_PHONEHUB_FEATURE_STATUS_PROVIDER_H_
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