net/proxy/proxy_config_service_mac.h

   1 // Copyright (c) 2012 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
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/observer_list.h"
  13 #include "net/base/network_config_watcher_mac.h"
  14 #include "net/proxy/proxy_config.h"
  15 #include "net/proxy/proxy_config_service.h"
  16
  17 namespace base {
  18 class SingleThreadTaskRunner;
  19 }  // namespace base
  20
  21 namespace net {
  22
  23 // TODO(sergeyu): This class needs to be exported because remoting code
  24 // creates it directly. Fix that and remove NET_EXPORT here.
  25 // crbug.com/125104
  26 class NET_EXPORT ProxyConfigServiceMac : public ProxyConfigService {
  27  public:
  28   // Constructs a ProxyConfigService that watches the Mac OS system settings.
  29   // This instance is expected to be operated and deleted on the same thread
  30   // (however it may be constructed from a different thread).
  31   explicit ProxyConfigServiceMac(
  32       base::SingleThreadTaskRunner* io_thread_task_runner);
  33   virtual ~ProxyConfigServiceMac();
  34
  35  public:
  36   // ProxyConfigService implementation:
  37   virtual void AddObserver(Observer* observer) OVERRIDE;
  38   virtual void RemoveObserver(Observer* observer) OVERRIDE;
  39   virtual ConfigAvailability GetLatestProxyConfig(ProxyConfig* config) OVERRIDE;
  40
  41  private:
  42   class Helper;
  43
  44   // Forwarder just exists to keep the NetworkConfigWatcherMac API out of
  45   // ProxyConfigServiceMac's public API.
  46   class Forwarder : public NetworkConfigWatcherMac::Delegate {
  47    public:
  48     explicit Forwarder(ProxyConfigServiceMac* proxy_config_service)
  49         : proxy_config_service_(proxy_config_service) {}
  50
  51     // NetworkConfigWatcherMac::Delegate implementation:
  52     virtual void StartReachabilityNotifications() OVERRIDE {}
  53     virtual void SetDynamicStoreNotificationKeys(
  54         SCDynamicStoreRef store) OVERRIDE;
  55     virtual void OnNetworkConfigChange(CFArrayRef changed_keys) OVERRIDE;
  56
  57    private:
  58     ProxyConfigServiceMac* const proxy_config_service_;
  59     DISALLOW_COPY_AND_ASSIGN(Forwarder);
  60   };
  61
  62   // Methods directly called by the NetworkConfigWatcherMac::Delegate:
  63   void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store);
  64   void OnNetworkConfigChange(CFArrayRef changed_keys);
  65
  66   // Called when the proxy configuration has changed, to notify the observers.
  67   void OnProxyConfigChanged(const ProxyConfig& new_config);
  68
  69   Forwarder forwarder_;
  70   scoped_ptr<const NetworkConfigWatcherMac> config_watcher_;
  71
  72   ObserverList<Observer> observers_;
  73
  74   // Holds the last system proxy settings that we fetched.
  75   bool has_fetched_config_;
  76   ProxyConfig last_config_fetched_;
  77
  78   scoped_refptr<Helper> helper_;
  79
  80   // The thread that we expect to be operated on.
  81   const scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(ProxyConfigServiceMac);
  84 };
  85
  86 }  // namespace net
  87
  88 #endif  // NET_PROXY_PROXY_CONFIG_SERVICE_MAC_H_