1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef NET_PROXY_PROXY_CONFIG_SERVICE_MAC_H_
6#define NET_PROXY_PROXY_CONFIG_SERVICE_MAC_H_
7#pragma once
8
9#include "base/basictypes.h"
10#include "base/memory/ref_counted.h"
11#include "base/observer_list.h"
12#include "net/base/network_config_watcher_mac.h"
13#include "net/proxy/proxy_config.h"
14#include "net/proxy/proxy_config_service.h"
15
16namespace net {
17
18class ProxyConfigServiceMac : public ProxyConfigService {
19 public:
20  // Constructs a ProxyConfigService that watches the Mac OS system settings.
21  // This instance is expected to be operated and deleted on |io_loop|
22  // (however it may be constructed from a different thread).
23  explicit ProxyConfigServiceMac(MessageLoop* io_loop);
24  virtual ~ProxyConfigServiceMac();
25
26 public:
27  // ProxyConfigService implementation:
28  virtual void AddObserver(Observer* observer);
29  virtual void RemoveObserver(Observer* observer);
30  virtual ConfigAvailability GetLatestProxyConfig(ProxyConfig* config);
31
32 private:
33  class Helper;
34
35  // Forwarder just exists to keep the NetworkConfigWatcherMac API out of
36  // ProxyConfigServiceMac's public API.
37  class Forwarder : public NetworkConfigWatcherMac::Delegate {
38   public:
39    explicit Forwarder(ProxyConfigServiceMac* net_config_watcher)
40        : net_config_watcher_(net_config_watcher) {}
41
42    // NetworkConfigWatcherMac::Delegate implementation:
43    virtual void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store) {
44      net_config_watcher_->SetDynamicStoreNotificationKeys(store);
45    }
46    virtual void OnNetworkConfigChange(CFArrayRef changed_keys) {
47      net_config_watcher_->OnNetworkConfigChange(changed_keys);
48    }
49
50   private:
51    ProxyConfigServiceMac* const net_config_watcher_;
52    DISALLOW_COPY_AND_ASSIGN(Forwarder);
53  };
54
55  // NetworkConfigWatcherMac::Delegate implementation:
56  void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store);
57  void OnNetworkConfigChange(CFArrayRef changed_keys);
58
59  // Called when the proxy configuration has changed, to notify the observers.
60  void OnProxyConfigChanged(const ProxyConfig& new_config);
61
62  Forwarder forwarder_;
63  const NetworkConfigWatcherMac config_watcher_;
64
65  ObserverList<Observer> observers_;
66
67  // Holds the last system proxy settings that we fetched.
68  bool has_fetched_config_;
69  ProxyConfig last_config_fetched_;
70
71  scoped_refptr<Helper> helper_;
72
73  // The thread that we expect to be operated on.
74  MessageLoop* io_loop_;
75
76  DISALLOW_COPY_AND_ASSIGN(ProxyConfigServiceMac);
77};
78
79}  // namespace net
80
81#endif  // NET_PROXY_PROXY_CONFIG_SERVICE_MAC_H_
82