Introduce a separate preference for 'proxy server mode'

chrome/browser/policy/configuration_policy_pref_store.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PREF_STORE_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PREF_STORE_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 38 matching lines @@
   static ConfigurationPolicyPrefStore* CreateDeviceManagementPolicyPrefStore(
       Profile* profile);
 
   // Creates a ConfigurationPolicyPrefStore that reads recommended policy.
   static ConfigurationPolicyPrefStore* CreateRecommendedPolicyPrefStore();
 
   // Returns the default policy definition list for Chrome.
   static const ConfigurationPolicyProvider::PolicyDefinitionList*
       GetChromePolicyDefinitionList();
 
-  // Returns the set of preference paths that can be affected by a proxy
-  // policy.
-  static void GetProxyPreferenceSet(ProxyPreferenceSet* proxy_pref_set);
-
  private:
   // Policies that map to a single preference are handled
   // by an automated converter. Each one of these policies
   // has an entry in |simple_policy_map_| with the following type.
   struct PolicyToPreferenceMapEntry {
     Value::ValueType value_type;
     ConfigurationPolicyType policy_type;
     const char* preference_path;  // A DictionaryValue path, not a file path.
   };
 
   static const PolicyToPreferenceMapEntry kSimplePolicyMap[];
   static const PolicyToPreferenceMapEntry kProxyPolicyMap[];
   static const PolicyToPreferenceMapEntry kDefaultSearchPolicyMap[];
   static const ConfigurationPolicyProvider::PolicyDefinitionList
       kPolicyDefinitionList;
 
   ConfigurationPolicyProvider* provider_;
   scoped_ptr<DictionaryValue> prefs_;
 
-  // Set to false until the first proxy-relevant policy is applied. At that
-  // time, default values are provided for all proxy-relevant prefs
-  // to override any values set from stores with a lower priority.
-  bool lower_priority_proxy_settings_overridden_;
+  // Temporary cache that stores values until FinalizeProxyPolicySettings()
+  // is called.
+  std::map<ConfigurationPolicyType, Value*> proxy_policies_;
 
-  // The following are used to track what proxy-relevant policy has been applied
-  // accross calls to Apply to provide a warning if a policy specifies a
-  // contradictory proxy configuration. |proxy_disabled_| is set to true if and
-  // only if the kPolicyNoProxyServer has been applied,
-  // |proxy_configuration_specified_| is set to true if and only if any other
-  // proxy policy other than kPolicyNoProxyServer has been applied.
-  bool proxy_disabled_;
-  bool proxy_configuration_specified_;
-
-  // Set to true if a the proxy mode policy has been set to force Chrome
-  // to use the system proxy.
-  bool use_system_proxy_;
+  bool HasProxyPolicy(ConfigurationPolicyType policy) const;
 
   // Returns the map entry that corresponds to |policy| in the map.
   const PolicyToPreferenceMapEntry* FindPolicyInMap(
       ConfigurationPolicyType policy,
       const PolicyToPreferenceMapEntry* map,
       int size) const;
 
   // Remove the preferences found in the map from |prefs_|.  Returns true if
   // any such preferences were found and removed.
   bool RemovePreferencesOfMap(const PolicyToPreferenceMapEntry* map,
@@ skipping 20 matching lines @@
   // Make sure that the |path| if present in |prefs_|.  If not, set it to
   // a blank string.
   void EnsureStringPrefExists(const std::string& path);
 
   // If the required entries for default search are specified and valid,
   // finalizes the policy-specified configuration by initializing the
   // unspecified map entries.  Otherwise wipes all default search related
   // map entries from |prefs_|.
   void FinalizeDefaultSearchPolicySettings();
 
+  // If the required entries for the proxy settings are specified and valid,
+  // finalizes the policy-specified configuration by initializing the
+  // respective values in |prefs_|.
+  void FinalizeProxyPolicySettings();
+
+  // Returns true if the policy values stored in proxy_* represent a valid
+  // proxy configuration.
+  bool CheckProxySettings();
+
+  // Assumes CheckProxySettings returns true and applies the values stored
+  // in proxy_*.
+  void ApplyProxySettings();
+
   DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyPrefStore);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PREF_STORE_H_