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 class ProxyConfigServiceMac : public ProxyConfigService {
  24  public:
  25   // Constructs a ProxyConfigService that watches the Mac OS system settings.
  26   // This instance is expected to be operated and deleted on the same thread
  27   // (however it may be constructed from a different thread).
  28   explicit ProxyConfigServiceMac(
  29       const scoped_refptr<base::SingleThreadTaskRunner>& io_thread_task_runner);
  30   ~ProxyConfigServiceMac() override;
  31
  32  public:
  33   // ProxyConfigService implementation:
  34   void AddObserver(Observer* observer) override;
  35   void RemoveObserver(Observer* observer) override;
  36   ConfigAvailability GetLatestProxyConfig(ProxyConfig* config) override;
  37
  38  private:
  39   class Helper;
  40
  41   // Forwarder just exists to keep the NetworkConfigWatcherMac API out of
  42   // ProxyConfigServiceMac's public API.
  43   class Forwarder : public NetworkConfigWatcherMac::Delegate {
  44    public:
  45     explicit Forwarder(ProxyConfigServiceMac* proxy_config_service)
  46         : proxy_config_service_(proxy_config_service) {}
  47
  48     // NetworkConfigWatcherMac::Delegate implementation:
  49     void StartReachabilityNotifications() override {}
  50     void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store) override;
  51     void OnNetworkConfigChange(CFArrayRef changed_keys) override;
  52
  53    private:
  54     ProxyConfigServiceMac* const proxy_config_service_;
  55     DISALLOW_COPY_AND_ASSIGN(Forwarder);
  56   };
  57
  58   // Methods directly called by the NetworkConfigWatcherMac::Delegate:
  59   void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store);
  60   void OnNetworkConfigChange(CFArrayRef changed_keys);
  61
  62   // Called when the proxy configuration has changed, to notify the observers.
  63   void OnProxyConfigChanged(const ProxyConfig& new_config);
  64
  65   Forwarder forwarder_;
  66   scoped_ptr<const NetworkConfigWatcherMac> config_watcher_;
  67
  68   base::ObserverList<Observer> observers_;
  69
  70   // Holds the last system proxy settings that we fetched.
  71   bool has_fetched_config_;
  72   ProxyConfig last_config_fetched_;
  73
  74   scoped_refptr<Helper> helper_;
  75
  76   // The thread that we expect to be operated on.
  77   const scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(ProxyConfigServiceMac);
  80 };
  81
  82 }  // namespace net
  83
  84 #endif  // NET_PROXY_PROXY_CONFIG_SERVICE_MAC_H_