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      1 // Copyright 2013 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 CHROME_BROWSER_CHROMEOS_UI_PROXY_CONFIG_SERVICE_H_
      6 #define CHROME_BROWSER_CHROMEOS_UI_PROXY_CONFIG_SERVICE_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "chrome/browser/chromeos/ui_proxy_config.h"
     12 
     13 class PrefService;
     14 
     15 namespace chromeos {
     16 
     17 class NetworkState;
     18 
     19 // This class is only accessed from the UI via Profile::GetProxyConfigTracker to
     20 // allow the user to read and modify the proxy configuration via
     21 // GetProxyConfig and SetProxyConfig.
     22 //
     23 // Before reading/setting a proxy config, a network has to be selected using
     24 // either SetCurrentNetwork (any remembered network) or
     25 // MakeActiveNetworkCurrent.
     26 class UIProxyConfigService {
     27  public:
     28   UIProxyConfigService();
     29   ~UIProxyConfigService();
     30 
     31   // After this call, proxy settings are read from |profile_prefs| and
     32   // |local_state_prefs|. In case of usage for the sign-in screen,
     33   // |profile_prefs| must be NULL because sign-in screen should depend only on
     34   // shared settings.
     35   void SetPrefs(PrefService* profile_prefs, PrefService* local_state_prefs);
     36 
     37   // Called by UI to set the network with service path |current_network| to be
     38   // displayed or edited.  Subsequent Set*/Get* methods will use this
     39   // network, until this method is called again.
     40   void SetCurrentNetwork(const std::string& current_network);
     41 
     42   void UpdateFromPrefs();
     43 
     44   // Called from UI to retrieve the stored proxy configuration, which is either
     45   // the last proxy config of the current network or the one last set by
     46   // SetProxyConfig.
     47   void GetProxyConfig(UIProxyConfig* config) const;
     48 
     49   // Called from UI to update proxy configuration for different modes. Stores
     50   // and persists |config| to shill for the current network.
     51   void SetProxyConfig(const UIProxyConfig& config);
     52 
     53  private:
     54   // Determines effective proxy config based on prefs from config tracker,
     55   // |network| and if user is using shared proxies.  The effective config is
     56   // stored in |current_ui_config_| but not activated on network stack, and
     57   // hence, not picked up by observers.
     58   void DetermineEffectiveConfig(const NetworkState& network);
     59 
     60   // Service path of network whose proxy configuration is being displayed or
     61   // edited via UI.
     62   std::string current_ui_network_;
     63 
     64   // Proxy configuration of |current_ui_network_|.
     65   UIProxyConfig current_ui_config_;
     66 
     67   bool signin_screen_;
     68 
     69   // Not owned.
     70   PrefService* profile_prefs_;
     71 
     72   // Not owned.
     73   PrefService* local_state_prefs_;
     74 
     75   DISALLOW_COPY_AND_ASSIGN(UIProxyConfigService);
     76 };
     77 
     78 }  // namespace chromeos
     79 
     80 #endif  // CHROME_BROWSER_CHROMEOS_UI_PROXY_CONFIG_SERVICE_H_
     81