| // Copyright (c) 2012 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_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/observer_list.h" |
| #include "base/prefs/pref_store.h" |
| #include "base/values.h" |
| #include "chrome/browser/policy/policy_map.h" |
| #include "chrome/browser/policy/policy_service.h" |
| |
| class PrefValueMap; |
| |
| namespace policy { |
| |
| // An implementation of PrefStore that bridges policy settings as read from the |
| // PolicyService to preferences. Converts POLICY_DOMAIN_CHROME policies a given |
| // PolicyLevel to their corresponding preferences. |
| class ConfigurationPolicyPrefStore |
| : public PrefStore, |
| public PolicyService::Observer { |
| public: |
| // Does not take ownership of |service|. Only policies of the given |level| |
| // will be mapped. |
| ConfigurationPolicyPrefStore(PolicyService* service, PolicyLevel level); |
| |
| // PrefStore methods: |
| virtual void AddObserver(PrefStore::Observer* observer) OVERRIDE; |
| virtual void RemoveObserver(PrefStore::Observer* observer) OVERRIDE; |
| virtual size_t NumberOfObservers() const OVERRIDE; |
| virtual bool IsInitializationComplete() const OVERRIDE; |
| virtual bool GetValue(const std::string& key, |
| const Value** result) const OVERRIDE; |
| |
| // PolicyService::Observer methods: |
| virtual void OnPolicyUpdated(const PolicyNamespace& ns, |
| const PolicyMap& previous, |
| const PolicyMap& current) OVERRIDE; |
| virtual void OnPolicyServiceInitialized(PolicyDomain domain) OVERRIDE; |
| |
| // Creates a ConfigurationPolicyPrefStore that only provides policies that |
| // have POLICY_LEVEL_MANDATORY level. |
| static ConfigurationPolicyPrefStore* CreateMandatoryPolicyPrefStore( |
| PolicyService* policy_service); |
| |
| // Creates a ConfigurationPolicyPrefStore that only provides policies that |
| // have POLICY_LEVEL_RECOMMENDED level. |
| static ConfigurationPolicyPrefStore* CreateRecommendedPolicyPrefStore( |
| PolicyService* policy_service); |
| |
| private: |
| virtual ~ConfigurationPolicyPrefStore(); |
| |
| // Refreshes policy information, rereading policy from the policy service and |
| // sending out change notifications as appropriate. |
| void Refresh(); |
| |
| // Returns a new PrefValueMap containing the preference values that correspond |
| // to the policies currently provided by the policy service. |
| PrefValueMap* CreatePreferencesFromPolicies(); |
| |
| // The PolicyService from which policy settings are read. |
| PolicyService* policy_service_; |
| |
| // The policy level that this PrefStore uses. |
| PolicyLevel level_; |
| |
| // Current policy preferences. |
| scoped_ptr<PrefValueMap> prefs_; |
| |
| ObserverList<PrefStore::Observer, true> observers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyPrefStore); |
| }; |
| |
| } // namespace policy |
| |
| #endif // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PREF_STORE_H_ |