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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_NET_PROXY_POLICY_HANDLER_H_
      6 #define CHROME_BROWSER_NET_PROXY_POLICY_HANDLER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "components/policy/core/browser/configuration_policy_handler.h"
     12 
     13 namespace policy {
     14 
     15 class ProxyMap;
     16 class ProxyErrorMap;
     17 
     18 // ConfigurationPolicyHandler for the proxy policies.
     19 class ProxyPolicyHandler : public ConfigurationPolicyHandler {
     20  public:
     21   // Constants for the "Proxy Server Mode" defined in the policies.
     22   // Note that these diverge from internal presentation defined in
     23   // ProxyPrefs::ProxyMode for legacy reasons. The following four
     24   // PolicyProxyModeType types were not very precise and had overlapping use
     25   // cases.
     26   enum ProxyModeType {
     27     // Disable Proxy, connect directly.
     28     PROXY_SERVER_MODE = 0,
     29     // Auto detect proxy or use specific PAC script if given.
     30     PROXY_AUTO_DETECT_PROXY_SERVER_MODE = 1,
     31     // Use manually configured proxy servers (fixed servers).
     32     PROXY_MANUALLY_CONFIGURED_PROXY_SERVER_MODE = 2,
     33     // Use system proxy server.
     34     PROXY_USE_SYSTEM_PROXY_SERVER_MODE = 3,
     35 
     36     MODE_COUNT
     37   };
     38 
     39   ProxyPolicyHandler();
     40   virtual ~ProxyPolicyHandler();
     41 
     42   // ConfigurationPolicyHandler methods:
     43   virtual bool CheckPolicySettings(const PolicyMap& policies,
     44                                    PolicyErrorMap* errors) OVERRIDE;
     45   virtual void ApplyPolicySettings(const PolicyMap& policies,
     46                                    PrefValueMap* prefs) OVERRIDE;
     47 
     48  private:
     49   const base::Value* GetProxyPolicyValue(const PolicyMap& policies,
     50                                          const char* policy_name);
     51 
     52   // Converts the deprecated ProxyServerMode policy value to a ProxyMode value
     53   // and places the result in |mode_value|. Returns whether the conversion
     54   // succeeded.
     55   bool CheckProxyModeAndServerMode(const PolicyMap& policies,
     56                                    PolicyErrorMap* errors,
     57                                    std::string* mode_value);
     58 
     59   DISALLOW_COPY_AND_ASSIGN(ProxyPolicyHandler);
     60 };
     61 
     62 }  // namespace policy
     63 
     64 #endif  // CHROME_BROWSER_NET_PROXY_POLICY_HANDLER_H_
     65