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// Copyright 2024 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_TETHER_AVAILABILITY_OPERATION_ORCHESTRATOR_H_
#define CHROMEOS_ASH_COMPONENTS_TETHER_TETHER_AVAILABILITY_OPERATION_ORCHESTRATOR_H_
#include "base/containers/flat_map.h"
#include "base/observer_list.h"
#include "chromeos/ash/components/tether/scanned_device_info.h"
#include "chromeos/ash/components/tether/tether_availability_operation.h"
#include "chromeos/ash/components/tether/tether_host.h"
namespace ash::tether {
class TetherAvailabilityOperationOrchestrator {
public:
class Factory {
public:
virtual ~Factory();
virtual std::unique_ptr<TetherAvailabilityOperationOrchestrator>
CreateInstance() = 0;
};
class Observer : public base::CheckedObserver {
public:
// Invoked once with an empty list when the operation begins, then invoked
// repeatedly once each result comes in. After all devices have been
// processed, the callback is invoked one final time with
// |is_final_scan_result| = true.
virtual void OnTetherAvailabilityResponse(
const std::vector<ScannedDeviceInfo>& scanned_device_list_so_far,
const std::vector<ScannedDeviceInfo>&
gms_core_notifications_disabled_devices,
bool is_final_scan_result) = 0;
};
explicit TetherAvailabilityOperationOrchestrator(
std::unique_ptr<TetherAvailabilityOperation::Initializer>
tether_availability_operation_initializer);
virtual ~TetherAvailabilityOperationOrchestrator();
TetherAvailabilityOperationOrchestrator(
const TetherAvailabilityOperationOrchestrator&) = delete;
TetherAvailabilityOperationOrchestrator& operator=(
const TetherAvailabilityOperationOrchestrator&) = delete;
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
virtual void Start() = 0;
protected:
void StartOperation(const TetherHost& tether_host);
void NotifyObserversOfFinalScan();
base::ObserverList<Observer> observers_;
std::vector<ScannedDeviceInfo> scanned_device_list_so_far_;
std::vector<ScannedDeviceInfo> gms_core_notifications_disabled_devices_;
private:
void OnScannedDeviceResult(const TetherHost& tether_host,
std::optional<ScannedDeviceInfo> result);
private:
base::flat_map<std::string, std::unique_ptr<TetherAvailabilityOperation>>
active_operations_;
std::unique_ptr<TetherAvailabilityOperation::Initializer>
tether_availability_operation_initializer_;
base::WeakPtrFactory<TetherAvailabilityOperationOrchestrator>
weak_ptr_factory_{this};
};
} // namespace ash::tether
#endif // CHROMEOS_ASH_COMPONENTS_TETHER_TETHER_AVAILABILITY_OPERATION_ORCHESTRATOR_H_
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