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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_METRICS_NETWORK_QUALITY_ESTIMATOR_PROVIDER_IMPL_H_
#define CHROME_BROWSER_METRICS_NETWORK_QUALITY_ESTIMATOR_PROVIDER_IMPL_H_
#include "base/threading/thread_checker.h"
#include "components/metrics/net/network_metrics_provider.h"
#include "services/network/public/cpp/network_quality_tracker.h"
namespace metrics {
// Implements NetworkMetricsProvider::NetworkQualityEstimatorProvider. Provides
// network quality estimates. Lives on UI thread.
class NetworkQualityEstimatorProviderImpl
: public NetworkMetricsProvider::NetworkQualityEstimatorProvider,
public network::NetworkQualityTracker::EffectiveConnectionTypeObserver {
public:
NetworkQualityEstimatorProviderImpl();
NetworkQualityEstimatorProviderImpl(
const NetworkQualityEstimatorProviderImpl&) = delete;
NetworkQualityEstimatorProviderImpl& operator=(
const NetworkQualityEstimatorProviderImpl&) = delete;
~NetworkQualityEstimatorProviderImpl() override;
private:
// NetworkMetricsProvider::NetworkQualityEstimatorProvider:
void PostReplyOnNetworkQualityChanged(
base::RepeatingCallback<void(net::EffectiveConnectionType)> callback)
override;
// network::NetworkQualityTracker::EffectiveConnectionTypeObserver:
void OnEffectiveConnectionTypeChanged(
net::EffectiveConnectionType type) override;
void AddEffectiveConnectionTypeObserverNow(
base::RepeatingCallback<void(net::EffectiveConnectionType)> callback);
// |callback_| is invoked every time there is a change in the network quality
// estimate. May be null.
base::RepeatingCallback<void(net::EffectiveConnectionType)> callback_;
THREAD_CHECKER(thread_checker_);
base::WeakPtrFactory<NetworkQualityEstimatorProviderImpl> weak_ptr_factory_{
this};
};
} // namespace metrics
#endif // CHROME_BROWSER_METRICS_NETWORK_QUALITY_ESTIMATOR_PROVIDER_IMPL_H_
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