| // 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 COMPONENTS_POLICY_CORE_BROWSER_CONFIGURATION_POLICY_PREF_STORE_H_ |
| #define COMPONENTS_POLICY_CORE_BROWSER_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 "components/policy/core/common/policy_map.h" |
| #include "components/policy/core/common/policy_service.h" |
| #include "components/policy/core/common/policy_types.h" |
| #include "components/policy/policy_export.h" |
| |
| class PrefValueMap; |
| |
| namespace policy { |
| |
| class ConfigurationPolicyHandlerList; |
| |
| // 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 POLICY_EXPORT ConfigurationPolicyPrefStore |
| : public PrefStore, |
| public PolicyService::Observer { |
| public: |
| // Does not take ownership of |service| nor |handler_list|, which must outlive |
| // the store. Only policies of the given |level| will be mapped. |
| ConfigurationPolicyPrefStore( |
| PolicyService* service, |
| const ConfigurationPolicyHandlerList* handler_list, |
| PolicyLevel level); |
| |
| // PrefStore methods: |
| void AddObserver(PrefStore::Observer* observer) override; |
| void RemoveObserver(PrefStore::Observer* observer) override; |
| bool HasObservers() const override; |
| bool IsInitializationComplete() const override; |
| bool GetValue(const std::string& key, |
| const base::Value** result) const override; |
| |
| // PolicyService::Observer methods: |
| void OnPolicyUpdated(const PolicyNamespace& ns, |
| const PolicyMap& previous, |
| const PolicyMap& current) override; |
| void OnPolicyServiceInitialized(PolicyDomain domain) override; |
| |
| private: |
| ~ConfigurationPolicyPrefStore() override; |
| |
| // 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 handlers used to convert policies into their corresponding |
| // preferences. |
| const ConfigurationPolicyHandlerList* handler_list_; |
| |
| // 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 // COMPONENTS_POLICY_CORE_BROWSER_CONFIGURATION_POLICY_PREF_STORE_H_ |