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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_POLICY_CLOUD_POLICY_SERVICE_H_ | |
| 6 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_SERVICE_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/callback_forward.h" | |
| 13 #include "base/compiler_specific.h" | |
| 14 #include "base/observer_list.h" | |
| 15 #include "chrome/browser/policy/cloud_policy_client.h" | |
| 16 #include "chrome/browser/policy/cloud_policy_constants.h" | |
| 17 #include "chrome/browser/policy/cloud_policy_store.h" | |
| 18 | |
| 19 namespace policy { | |
| 20 | |
| 21 // Coordinates cloud policy handling, moving downloaded policy from the client | |
| 22 // to the store, and setting up client registrations from cached data in the | |
| 23 // store. Also coordinates actions on policy refresh triggers. | |
| 24 class CloudPolicyService : public CloudPolicyClient::Observer, | |
| 25 public CloudPolicyStore::Observer { | |
| 26 public: | |
| 27 // Callback invoked once the policy refresh attempt has completed. Passed | |
| 28 // bool parameter is true if the refresh was successful (no error). | |
| 29 typedef base::Callback<void(bool)> RefreshPolicyCallback; | |
| 30 | |
| 31 class Observer { | |
| 32 public: | |
| 33 // Invoked when CloudPolicyService has finished initializing (any initial | |
| 34 // policy load activity has completed and the CloudPolicyClient has | |
| 35 // been registered, if possible). | |
| 36 virtual void OnInitializationCompleted(CloudPolicyService* service) = 0; | |
| 37 virtual ~Observer() {} | |
| 38 }; | |
| 39 | |
| 40 // |client| and |store| must remain valid for the object life time. | |
| 41 CloudPolicyService(const PolicyNamespaceKey& policy_ns_key, | |
| 42 CloudPolicyClient* client, | |
| 43 CloudPolicyStore* store); | |
| 44 virtual ~CloudPolicyService(); | |
| 45 | |
| 46 // Returns the domain that manages this user/device, according to the current | |
| 47 // policy blob. Empty if not managed/not available. | |
| 48 std::string ManagedBy() const; | |
| 49 | |
| 50 // Refreshes policy. |callback| will be invoked after the operation completes | |
| 51 // or aborts because of errors. | |
| 52 void RefreshPolicy(const RefreshPolicyCallback& callback); | |
| 53 | |
| 54 // Adds/Removes an Observer for this object. | |
| 55 void AddObserver(Observer* observer); | |
| 56 void RemoveObserver(Observer* observer); | |
| 57 | |
| 58 // CloudPolicyClient::Observer: | |
| 59 virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE; | |
| 60 virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE; | |
| 61 virtual void OnClientError(CloudPolicyClient* client) OVERRIDE; | |
| 62 | |
| 63 // CloudPolicyStore::Observer: | |
| 64 virtual void OnStoreLoaded(CloudPolicyStore* store) OVERRIDE; | |
| 65 virtual void OnStoreError(CloudPolicyStore* store) OVERRIDE; | |
| 66 | |
| 67 bool IsInitializationComplete() const { return initialization_complete_; } | |
| 68 | |
| 69 private: | |
| 70 // Helper function that is called when initialization may be complete, and | |
| 71 // which is responsible for notifying observers. | |
| 72 void CheckInitializationCompleted(); | |
| 73 | |
| 74 // Invokes the refresh callbacks and clears refresh state. The |success| flag | |
| 75 // is passed through to the refresh callbacks. | |
| 76 void RefreshCompleted(bool success); | |
| 77 | |
| 78 // The policy namespace fetched by |client_| and expected by |store_|. | |
| 79 PolicyNamespaceKey policy_ns_key_; | |
| 80 | |
| 81 // The client used to talk to the cloud. | |
| 82 CloudPolicyClient* client_; | |
| 83 | |
| 84 // Takes care of persisting and decoding cloud policy. | |
| 85 CloudPolicyStore* store_; | |
| 86 | |
| 87 // Tracks the state of a pending refresh operation, if any. | |
| 88 enum { | |
| 89 // No refresh pending. | |
| 90 REFRESH_NONE, | |
| 91 // Policy fetch is pending. | |
| 92 REFRESH_POLICY_FETCH, | |
| 93 // Policy store is pending. | |
| 94 REFRESH_POLICY_STORE, | |
| 95 } refresh_state_; | |
| 96 | |
| 97 // Callbacks to invoke upon policy refresh. | |
| 98 std::vector<RefreshPolicyCallback> refresh_callbacks_; | |
| 99 | |
| 100 // Set to true once the service is initialized (initial policy load/refresh | |
| 101 // is complete). | |
| 102 bool initialization_complete_; | |
| 103 | |
| 104 // Observers who will receive notifications when the service has finished | |
| 105 // initializing. | |
| 106 ObserverList<Observer, true> observers_; | |
| 107 | |
| 108 DISALLOW_COPY_AND_ASSIGN(CloudPolicyService); | |
| 109 }; | |
| 110 | |
| 111 } // namespace policy | |
| 112 | |
| 113 #endif // CHROME_BROWSER_POLICY_CLOUD_POLICY_SERVICE_H_ | |
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Chromium Code Reviews
Issue 12189011:
Split up chrome/browser/policy subdirectory (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src