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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.
#include "chromeos/ash/components/network/technology_state_controller.h"
#include "ash/constants/ash_features.h"
#include "chromeos/ash/components/network/metrics/network_metrics_helper.h"
#include "chromeos/ash/components/network/network_event_log.h"
#include "chromeos/ash/components/network/network_state_handler.h"
namespace ash {
// static
const char TechnologyStateController::kErrorDisableHotspot[] =
"disable-hotspot-failed";
TechnologyStateController::TechnologyStateController() = default;
TechnologyStateController::~TechnologyStateController() = default;
void TechnologyStateController::Init(
NetworkStateHandler* network_state_handler) {
network_state_handler_ = network_state_handler;
}
void TechnologyStateController::PrepareEnableHotspot(
PrepareEnableHotspotCallback callback) {
NetworkStateHandler::TechnologyState wifi_state =
network_state_handler_->GetTechnologyState(NetworkTypePattern::WiFi());
if (wifi_state == NetworkStateHandler::TECHNOLOGY_ENABLED) {
auto callback_split = base::SplitOnceCallback(std::move(callback));
network_state_handler_->SetTechnologyEnabled(
NetworkTypePattern::WiFi(), /*enabled=*/false,
base::BindOnce(std::move(callback_split.first),
/*prepare_success=*/true, /*wifi_turned_off=*/true),
base::BindOnce(
&TechnologyStateController::OnDisableWifiForHotspotFailed,
weak_ptr_factory_.GetWeakPtr(), std::move(callback_split.second)));
return;
}
// Wifi state shouldn't be 'enabling' when attempting to turn on hotspot, as
// the UI should prevent such actions.
if (wifi_state == NetworkStateHandler::TECHNOLOGY_ENABLING) {
NET_LOG(ERROR) << "Wifi technology is enabling when attempting to turn on "
<< "hotspot.";
std::move(callback).Run(/*prepare_success=*/false,
/*wifi_turned_off=*/false);
return;
}
std::move(callback).Run(/*prepare_success=*/true, /*wifi_turned_off=*/false);
}
void TechnologyStateController::OnDisableWifiForHotspotFailed(
PrepareEnableHotspotCallback callback,
const std::string& error_name) {
NET_LOG(ERROR) << "Failed to disable Wifi during hotspot enable preparation, "
<< "error: " << error_name;
std::move(callback).Run(/*prepare_success=*/false, /*wifi_turned_off=*/false);
}
void TechnologyStateController::SetTechnologiesEnabled(
const NetworkTypePattern& type,
bool enabled,
network_handler::ErrorCallback error_callback) {
if (!hotspot_operation_delegate_) {
NET_LOG(ERROR) << "hotspot operation delegate is null while hotspot flag is"
<< " on.";
network_handler::RunErrorCallback(std::move(error_callback),
kErrorDisableHotspot);
return;
}
if (enabled && type.MatchesPattern(NetworkTypePattern::WiFi())) {
hotspot_operation_delegate_->PrepareEnableWifi(base::BindOnce(
&TechnologyStateController::OnPrepareEnableWifiCompleted,
weak_ptr_factory_.GetWeakPtr(), type, std::move(error_callback)));
return;
}
network_state_handler_->SetTechnologiesEnabled(type, enabled,
std::move(error_callback));
}
void TechnologyStateController::OnPrepareEnableWifiCompleted(
const NetworkTypePattern& type,
network_handler::ErrorCallback error_callback,
bool success) {
if (success) {
network_state_handler_->SetTechnologiesEnabled(type, /*enabled=*/true,
std::move(error_callback));
return;
}
NetworkMetricsHelper::LogEnableTechnologyResult(
shill::kTypeWifi, /*success=*/false, kErrorDisableHotspot);
network_handler::RunErrorCallback(std::move(error_callback),
kErrorDisableHotspot);
}
} // namespace ash
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