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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_NET_PROXY_CONFIG_MONITOR_H_
#define CHROME_BROWSER_NET_PROXY_CONFIG_MONITOR_H_
#include <memory>
#include <string>
#include "base/macros.h"
#include "build/buildflag.h"
#include "extensions/buildflags/buildflags.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "mojo/public/cpp/bindings/interface_ptr_set.h"
#include "net/proxy_resolution/proxy_config_service.h"
#include "services/network/public/mojom/network_service.mojom.h"
#include "services/network/public/mojom/proxy_config.mojom.h"
namespace net {
class ProxyConfigWithAnnotation;
}
class Profile;
class PrefProxyConfigTracker;
class PrefService;
// Tracks the ProxyConfig to use, and passes any updates to a NetworkContext's
// ProxyConfigClient. This also responds to errors related to proxy settings
// from the NetworkContext, and forwards them any listening Chrome extensions
// associated with the profile.
class ProxyConfigMonitor : public net::ProxyConfigService::Observer,
public network::mojom::ProxyConfigPollerClient
#if BUILDFLAG(ENABLE_EXTENSIONS)
,
public network::mojom::ProxyErrorClient
#endif
{
public:
// Creates a ProxyConfigMonitor that gets proxy settings from |profile| and
// watches for changes. The created ProxyConfigMonitor must be destroyed
// before |profile|.
explicit ProxyConfigMonitor(Profile* profile);
// Creates a ProxyConfigMonitor that gets proxy settings from the
// |local_state|, for use with NetworkContexts not
// associated with a profile. Must be destroyed before |local_state|.
explicit ProxyConfigMonitor(PrefService* local_state);
~ProxyConfigMonitor() override;
// Populates proxy-related fields of |network_context_params|. Updated
// ProxyConfigs will be sent to a NetworkContext created with those params
// whenever the configuration changes. Can be called more than once to inform
// multiple NetworkContexts of proxy changes.
void AddToNetworkContextParams(
network::mojom::NetworkContextParams* network_context_params);
// Flushes all pending data on the pipe, blocking the current thread until
// they're received, to allow tests to wait until all pending proxy
// configuration changes have been applied.
void FlushForTesting();
private:
// net::ProxyConfigService::Observer implementation:
void OnProxyConfigChanged(
const net::ProxyConfigWithAnnotation& config,
net::ProxyConfigService::ConfigAvailability availability) override;
// network::mojom::ProxyConfigPollerClient implementation:
void OnLazyProxyConfigPoll() override;
#if BUILDFLAG(ENABLE_EXTENSIONS)
// network::mojom::ProxyErrorClient implementation:
void OnPACScriptError(int32_t line_number,
const std::string& details) override;
void OnRequestMaybeFailedDueToProxySettings(int32_t net_error) override;
#endif
std::unique_ptr<net::ProxyConfigService> proxy_config_service_;
// Monitors global and Profile prefs related to proxy configuration.
std::unique_ptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
mojo::BindingSet<network::mojom::ProxyConfigPollerClient> poller_binding_set_;
mojo::InterfacePtrSet<network::mojom::ProxyConfigClient>
proxy_config_client_set_;
#if BUILDFLAG(ENABLE_EXTENSIONS)
mojo::BindingSet<network::mojom::ProxyErrorClient> error_binding_set_;
Profile* profile_ = nullptr;
#endif
DISALLOW_COPY_AND_ASSIGN(ProxyConfigMonitor);
};
#endif // CHROME_BROWSER_NET_PROXY_CONFIG_MONITOR_H_
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