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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 CONTENT_BROWSER_NETWORK_NETWORK_QUALITY_OBSERVER_IMPL_H_
#define CONTENT_BROWSER_NETWORK_NETWORK_QUALITY_OBSERVER_IMPL_H_
#include <stdint.h>
#include "base/memory/raw_ptr.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "content/common/content_export.h"
#include "content/public/browser/render_process_host_creation_observer.h"
#include "net/nqe/effective_connection_type.h"
#include "net/nqe/network_quality.h"
#include "services/network/public/cpp/network_quality_tracker.h"
namespace content {
// Listens for changes to the network quality and manages sending updates to
// each RenderProcess via mojo.
class CONTENT_EXPORT NetworkQualityObserverImpl
: public network::NetworkQualityTracker::EffectiveConnectionTypeObserver,
public network::NetworkQualityTracker::RTTAndThroughputEstimatesObserver,
public content::RenderProcessHostCreationObserver {
public:
explicit NetworkQualityObserverImpl(
network::NetworkQualityTracker* network_quality_tracker);
NetworkQualityObserverImpl(const NetworkQualityObserverImpl&) = delete;
NetworkQualityObserverImpl& operator=(const NetworkQualityObserverImpl&) =
delete;
~NetworkQualityObserverImpl() override;
private:
// content::RenderProcessHostCreationObserver:
void OnRenderProcessHostCreated(content::RenderProcessHost* rph) override;
// net::EffectiveConnectionTypeObserver implementation:
void OnEffectiveConnectionTypeChanged(
net::EffectiveConnectionType type) override;
// net::RTTAndThroughputEstimatesObserver implementation:
void OnRTTOrThroughputEstimatesComputed(
base::TimeDelta http_rtt,
base::TimeDelta transport_rtt,
int32_t downstream_throughput_kbps) override;
// |network_quality_tracker_| is guaranteed to be non-null during the
// lifetime of |this|.
raw_ptr<network::NetworkQualityTracker> network_quality_tracker_;
// The network quality when the |ui_thread_observer_| was last notified.
net::EffectiveConnectionType last_notified_type_;
net::nqe::internal::NetworkQuality last_notified_network_quality_;
THREAD_CHECKER(thread_checker_);
};
} // namespace content
#endif // CONTENT_BROWSER_NETWORK_NETWORK_QUALITY_OBSERVER_IMPL_H_
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