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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_NETWORK_PROXY_UI_PROXY_CONFIG_SERVICE_H_
#define CHROMEOS_ASH_COMPONENTS_NETWORK_PROXY_UI_PROXY_CONFIG_SERVICE_H_
#include <string>
#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "base/values.h"
#include "components/prefs/pref_change_registrar.h"
#include "components/proxy_config/proxy_prefs.h"
class PrefService;
namespace ash {
class NetworkProfileHandler;
class NetworkState;
class NetworkStateHandler;
// This class provides an interface to the UI for getting a network proxy
// configuration.
// NOTE: This class must be rebuilt with the primary user's profile prefs when
// the primary user logs in.
// ALSO NOTE: The provided PrefService instances are used both to retrieve proxy
// configurations set by an extension, and for ONC policy information associated
// with a network. (Per-network proxy configurations are stored in Shill,
// but ONC policy configuration is stored in PrefService).
class COMPONENT_EXPORT(CHROMEOS_NETWORK) UIProxyConfigService {
public:
// |local_state_prefs| must not be null. |profile_prefs| can be
// null if there is no logged in user, in which case only the local state
// (device) prefs will be used. See note above.
UIProxyConfigService(PrefService* profile_prefs,
PrefService* local_state_prefs,
NetworkStateHandler* network_state_handler,
NetworkProfileHandler* network_profile_handler);
UIProxyConfigService(const UIProxyConfigService&) = delete;
UIProxyConfigService& operator=(const UIProxyConfigService&) = delete;
~UIProxyConfigService();
// Generates ONC dictionary for proxy settings enforced for the network, and
// writes them to |proxy_settings|. The proxy settings that will be written to
// |proxy_settings| will be one of the following (in order of preference):
// * A proxy enforced by a user policy (provided by kProxy prefence).
// * A proxy set by an extension in the active PrefService (also provided by
// kProxy pref).
// * A proxy set by an ONC policy associated with |network_guid|.
//
// |proxy_settings| is expected to be a dictionary value containing ONC proxy
// settings, and will generally contain the proxy settings reported by shill
// (which will have user set per-network proxy settings, if they are
// available).
//
// Returns whether |proxy_settings| have been changed.
bool MergeEnforcedProxyConfig(const std::string& network_guid,
base::Value::Dict* proxy_settings);
// Returns the ProxyMode for |network|. The returned result is used to display
// a privacy warning to the user in the system tray.
ProxyPrefs::ProxyMode ProxyModeForNetwork(const NetworkState* network);
private:
void OnPreferenceChanged(const std::string& pref_name);
// GUID of network used for current_ui_config_.
std::string current_ui_network_guid_;
raw_ptr<PrefService> profile_prefs_; // unowned
PrefChangeRegistrar profile_registrar_;
raw_ptr<PrefService> local_state_prefs_; // unowned
PrefChangeRegistrar local_state_registrar_;
raw_ptr<NetworkStateHandler, DanglingUntriaged>
network_state_handler_; // unowned
raw_ptr<NetworkProfileHandler, DanglingUntriaged>
network_profile_handler_; // unowned
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_NETWORK_PROXY_UI_PROXY_CONFIG_SERVICE_H_
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