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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_READER_H_ | 5 #ifndef CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_READER_H_ |
| 6 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_READER_H_ | 6 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_READER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/observer_list.h" | 10 #include "base/observer_list.h" |
| 11 #include "base/values.h" | 11 #include "base/values.h" |
| 12 #include "chrome/browser/policy/configuration_policy_provider.h" | 12 #include "chrome/browser/policy/configuration_policy_provider.h" |
| 13 #include "chrome/browser/policy/policy_status_info.h" | 13 #include "chrome/browser/policy/policy_status_info.h" |
| 14 #include "policy/configuration_policy_type.h" | |
| 15 | 14 |
| 16 namespace policy { | 15 namespace policy { |
| 17 | 16 |
| 18 class ConfigurationPolicyStatusKeeper; | 17 class ConfigurationPolicyStatusKeeper; |
| 19 | 18 |
| 20 // This class reads policy information from a ConfigurationPolicyProvider in | 19 // This class reads policy information from a ConfigurationPolicyProvider in |
| 21 // order to determine the status of a policy (this includes its value and | 20 // order to determine the status of a policy (this includes its value and |
| 22 // whether it could be enforced on the client or not), as required by the | 21 // whether it could be enforced on the client or not), as required by the |
| 23 // about:policy UI. | 22 // about:policy UI. |
| 24 class ConfigurationPolicyReader : public ConfigurationPolicyProvider::Observer { | 23 class ConfigurationPolicyReader : public ConfigurationPolicyProvider::Observer { |
| 25 public: | 24 public: |
| 26 | 25 |
| 27 // Observer class for the ConfigurationPolicyReader. Observer objects are | 26 // Observer class for the ConfigurationPolicyReader. Observer objects are |
| 28 // notified when policy values have changed. | 27 // notified when policy values have changed. |
| 29 class Observer { | 28 class Observer { |
| 30 public: | 29 public: |
| 31 // Called on an observer when the policy values have changed. | 30 // Called on an observer when the policy values have changed. |
| 32 virtual void OnPolicyValuesChanged() = 0; | 31 virtual void OnPolicyValuesChanged() = 0; |
| 33 | 32 |
| 34 protected: | 33 protected: |
| 35 virtual ~Observer() {} | 34 virtual ~Observer() {} |
| 36 }; | 35 }; |
| 37 | 36 |
| 38 ConfigurationPolicyReader(ConfigurationPolicyProvider* provider, | 37 explicit ConfigurationPolicyReader(ConfigurationPolicyProvider* provider); |
| 39 PolicyStatusInfo::PolicyLevel policy_level); | |
| 40 virtual ~ConfigurationPolicyReader(); | 38 virtual ~ConfigurationPolicyReader(); |
| 41 | 39 |
| 42 // ConfigurationPolicyProvider::Observer methods: | 40 // ConfigurationPolicyProvider::Observer methods: |
| 43 virtual void OnUpdatePolicy(ConfigurationPolicyProvider* provider) OVERRIDE; | 41 virtual void OnUpdatePolicy(ConfigurationPolicyProvider* provider) OVERRIDE; |
| 44 virtual void OnProviderGoingAway( | 42 virtual void OnProviderGoingAway( |
| 45 ConfigurationPolicyProvider* provider) OVERRIDE; | 43 ConfigurationPolicyProvider* provider) OVERRIDE; |
| 46 | 44 |
| 47 // Methods to handle Observers. |observer| must be non-NULL. | 45 // Methods to handle Observers. |observer| must be non-NULL. |
| 48 void AddObserver(Observer* observer); | 46 void AddObserver(Observer* observer); |
| 49 void RemoveObserver(Observer* observer); | 47 void RemoveObserver(Observer* observer); |
| 50 | 48 |
| 51 // Creates a ConfigurationPolicyReader that reads managed platform policy. | 49 // Creates a ConfigurationPolicyReader that reads managed platform policy. |
| 52 static ConfigurationPolicyReader* CreateManagedPlatformPolicyReader(); | 50 static ConfigurationPolicyReader* CreateManagedPlatformPolicyReader(); |
| 53 | 51 |
| 54 // Creates a ConfigurationPolicyReader that reads managed cloud policy. | 52 // Creates a ConfigurationPolicyReader that reads managed cloud policy. |
| 55 static ConfigurationPolicyReader* CreateManagedCloudPolicyReader(); | 53 static ConfigurationPolicyReader* CreateManagedCloudPolicyReader(); |
| 56 | 54 |
| 57 // Creates a ConfigurationPolicyReader that reads recommended platform policy. | 55 // Creates a ConfigurationPolicyReader that reads recommended platform policy. |
| 58 static ConfigurationPolicyReader* CreateRecommendedPlatformPolicyReader(); | 56 static ConfigurationPolicyReader* CreateRecommendedPlatformPolicyReader(); |
| 59 | 57 |
| 60 // Creates a ConfigurationPolicyReader that reads recommended cloud policy. | 58 // Creates a ConfigurationPolicyReader that reads recommended cloud policy. |
| 61 static ConfigurationPolicyReader* CreateRecommendedCloudPolicyReader(); | 59 static ConfigurationPolicyReader* CreateRecommendedCloudPolicyReader(); |
| 62 | 60 |
| 63 // Returns a pointer to a DictionaryValue object containing policy status | 61 // Returns a pointer to a DictionaryValue object containing policy status |
| 64 // information for the UI. Ownership of the return value is acquired by the | 62 // information for the UI. Ownership of the return value is acquired by the |
| 65 // caller. Returns NULL if the reader is not aware of the given policy. | 63 // caller. Returns NULL if the reader is not aware of the given policy. |
| 66 virtual DictionaryValue* | 64 virtual DictionaryValue* GetPolicyStatus(const char* policy) const; |
| 67 GetPolicyStatus(ConfigurationPolicyType policy) const; | |
| 68 | 65 |
| 69 private: | 66 private: |
| 70 friend class MockConfigurationPolicyReader; | 67 friend class MockConfigurationPolicyReader; |
| 71 | 68 |
| 72 // Only used in tests. | 69 // Only used in tests. |
| 73 ConfigurationPolicyReader(); | 70 ConfigurationPolicyReader(); |
| 74 | 71 |
| 75 // Updates the policy information held in this reader. This is called when | 72 // Updates the policy information held in this reader. This is called when |
| 76 // the ConfigurationPolicyProvider is updated. | 73 // the ConfigurationPolicyProvider is updated. |
| 77 void Refresh(); | 74 void Refresh(); |
| 78 | 75 |
| 79 // The policy provider from which policy settings are read. | 76 // The policy provider from which policy settings are read. |
| 80 ConfigurationPolicyProvider* provider_; | 77 ConfigurationPolicyProvider* provider_; |
| 81 | 78 |
| 82 // Whether this ConfigurationPolicyReader contains managed policies. | |
| 83 PolicyStatusInfo::PolicyLevel policy_level_; | |
| 84 | |
| 85 // Current policy status. | 79 // Current policy status. |
| 86 scoped_ptr<ConfigurationPolicyStatusKeeper> policy_keeper_; | 80 scoped_ptr<ConfigurationPolicyStatusKeeper> policy_keeper_; |
| 87 | 81 |
| 88 // The list of observers for this ConfigurationPolicyReader. | 82 // The list of observers for this ConfigurationPolicyReader. |
| 89 ObserverList<Observer, true> observers_; | 83 ObserverList<Observer, true> observers_; |
| 90 | 84 |
| 91 ConfigurationPolicyObserverRegistrar registrar_; | 85 ConfigurationPolicyObserverRegistrar registrar_; |
| 92 | 86 |
| 93 DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyReader); | 87 DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyReader); |
| 94 }; | 88 }; |
| (...skipping 19 matching lines...) Expand all Loading... |
| 114 // Returns a ListValue pointer containing the status information of all | 108 // Returns a ListValue pointer containing the status information of all |
| 115 // policies supported by the client. |any_policies_set| is set to true if | 109 // policies supported by the client. |any_policies_set| is set to true if |
| 116 // there are policies in the list that were sent by a provider, otherwise | 110 // there are policies in the list that were sent by a provider, otherwise |
| 117 // it is set to false. This is for the about:policy UI to display. | 111 // it is set to false. This is for the about:policy UI to display. |
| 118 ListValue* GetPolicyStatusList(bool* any_policies_set) const; | 112 ListValue* GetPolicyStatusList(bool* any_policies_set) const; |
| 119 | 113 |
| 120 private: | 114 private: |
| 121 // Add the policy information for |policy| to the ListValue pointed to be | 115 // Add the policy information for |policy| to the ListValue pointed to be |
| 122 // |list| as it is returned by the different ConfigurationPolicyReader | 116 // |list| as it is returned by the different ConfigurationPolicyReader |
| 123 // objects. Returns true if a policy was added and false otherwise. | 117 // objects. Returns true if a policy was added and false otherwise. |
| 124 bool AddPolicyFromReaders(ConfigurationPolicyType policy, | 118 bool AddPolicyFromReaders(const char* policy, ListValue* list) const; |
| 125 ListValue* list) const; | |
| 126 | 119 |
| 127 scoped_ptr<ConfigurationPolicyReader> managed_platform_; | 120 scoped_ptr<ConfigurationPolicyReader> managed_platform_; |
| 128 scoped_ptr<ConfigurationPolicyReader> managed_cloud_; | 121 scoped_ptr<ConfigurationPolicyReader> managed_cloud_; |
| 129 scoped_ptr<ConfigurationPolicyReader> recommended_platform_; | 122 scoped_ptr<ConfigurationPolicyReader> recommended_platform_; |
| 130 scoped_ptr<ConfigurationPolicyReader> recommended_cloud_; | 123 scoped_ptr<ConfigurationPolicyReader> recommended_cloud_; |
| 131 | 124 |
| 132 DISALLOW_COPY_AND_ASSIGN(PolicyStatus); | 125 DISALLOW_COPY_AND_ASSIGN(PolicyStatus); |
| 133 }; | 126 }; |
| 134 | 127 |
| 135 } // namespace policy | 128 } // namespace policy |
| 136 | 129 |
| 137 #endif // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_READER_H_ | 130 #endif // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_READER_H_ |
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