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// Copyright 2023 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_NETWORK_TECHNOLOGY_STATE_CONTROLLER_H_
#define CHROMEOS_ASH_COMPONENTS_NETWORK_TECHNOLOGY_STATE_CONTROLLER_H_
#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/ash/components/network/network_handler.h"
#include "chromeos/ash/components/network/network_handler_callbacks.h"
#include "chromeos/ash/components/network/network_type_pattern.h"
namespace ash {
class NetworkStateHandler;
// This class serves as the primary entry point for enabling and disabling
// network devices and technologies, and ensures handling of hotspot/Wifi
// concurrency issues by disabling one before enabling the other.
class COMPONENT_EXPORT(CHROMEOS_NETWORK) TechnologyStateController {
public:
class HotspotOperationDelegate {
public:
virtual ~HotspotOperationDelegate() = default;
// Prepare for enable Wifi technology by disabling hotspot if active.
// Calls |callback| when the preparation is completed.
virtual void PrepareEnableWifi(
base::OnceCallback<void(bool prepare_success)> callback) = 0;
};
// Constant for |error_name| from network_handler::ErrorCallback. This error
// name indicated failed to disable hotspot before enable Wifi.
static const char kErrorDisableHotspot[];
TechnologyStateController();
TechnologyStateController(const TechnologyStateController&) = delete;
TechnologyStateController& operator=(const TechnologyStateController&) =
delete;
~TechnologyStateController();
void Init(NetworkStateHandler* network_state_handler);
// Asynchronously sets the technologies enabled property for |type|.Calls
// |error_callback| upon failure.
void SetTechnologiesEnabled(const NetworkTypePattern& type,
bool enabled,
network_handler::ErrorCallback error_callback);
// Callback for the PrepareEnableHotspot method. |wifi_turned_off| indicates
// whether Wifi technology is turned off during the preparation.
// |prepare_success| indicates whether the preparation completes successfully.
using PrepareEnableHotspotCallback =
base::OnceCallback<void(bool prepare_success, bool wifi_turned_off)>;
// Prepare for enable hotspot by disabling Wifi technology if active. Calls
// |callback| when the preparation is completed.
void PrepareEnableHotspot(PrepareEnableHotspotCallback callback);
void set_hotspot_operation_delegate(
HotspotOperationDelegate* hotspot_operation_delegate) {
hotspot_operation_delegate_ = hotspot_operation_delegate;
}
private:
raw_ptr<NetworkStateHandler> network_state_handler_ = nullptr;
raw_ptr<HotspotOperationDelegate> hotspot_operation_delegate_ = nullptr;
void OnDisableWifiForHotspotFailed(PrepareEnableHotspotCallback callback,
const std::string& error_name);
void OnPrepareEnableWifiCompleted(
const NetworkTypePattern& type,
network_handler::ErrorCallback error_callback,
bool success);
base::WeakPtrFactory<TechnologyStateController> weak_ptr_factory_{this};
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_NETWORK_TECHNOLOGY_STATE_CONTROLLER_H_
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