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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.
#include "net/reporting/reporting_network_change_observer.h"
#include "base/memory/raw_ptr.h"
#include "net/base/network_change_notifier.h"
#include "net/reporting/reporting_cache.h"
#include "net/reporting/reporting_context.h"
#include "net/reporting/reporting_policy.h"
#include "net/reporting/reporting_report.h"
namespace net {
namespace {
class ReportingNetworkChangeObserverImpl
: public ReportingNetworkChangeObserver,
public NetworkChangeNotifier::NetworkChangeObserver {
public:
explicit ReportingNetworkChangeObserverImpl(ReportingContext* context)
: context_(context) {
NetworkChangeNotifier::AddNetworkChangeObserver(this);
}
ReportingNetworkChangeObserverImpl(
const ReportingNetworkChangeObserverImpl&) = delete;
ReportingNetworkChangeObserverImpl& operator=(
const ReportingNetworkChangeObserverImpl&) = delete;
// ReportingNetworkChangeObserver implementation:
~ReportingNetworkChangeObserverImpl() override {
NetworkChangeNotifier::RemoveNetworkChangeObserver(this);
}
// NetworkChangeNotifier::NetworkChangeObserver implementation:
void OnNetworkChanged(NetworkChangeNotifier::ConnectionType type) override {
// Every network change will be preceded by a call with CONNECTION_NONE, and
// NetworkChangeNotifier suggests that destructive actions be performed in
// the call with CONNECTION_NONE, so clear reports and/or clients only in
// that case.
if (type != NetworkChangeNotifier::ConnectionType::CONNECTION_NONE)
return;
if (!context_->policy().persist_reports_across_network_changes)
context_->cache()->RemoveAllReports();
if (!context_->policy().persist_clients_across_network_changes)
context_->cache()->RemoveAllClients();
}
private:
raw_ptr<ReportingContext> context_;
};
} // namespace
// static
std::unique_ptr<ReportingNetworkChangeObserver>
ReportingNetworkChangeObserver::Create(ReportingContext* context) {
return std::make_unique<ReportingNetworkChangeObserverImpl>(context);
}
ReportingNetworkChangeObserver::~ReportingNetworkChangeObserver() = default;
} // namespace net
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