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| 1 // Copyright (c) 2012 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_CLOUD_POLICY_REFRESH_SCHEDULER_H_ | 5 #ifndef CHROME_BROWSER_POLICY_CLOUD_POLICY_REFRESH_SCHEDULER_H_ |
| 6 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_REFRESH_SCHEDULER_H_ | 6 #define CHROME_BROWSER_POLICY_CLOUD_POLICY_REFRESH_SCHEDULER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/cancelable_callback.h" | 9 #include "base/cancelable_callback.h" |
| 10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
| 11 #include "base/time.h" | 11 #include "base/time.h" |
| 12 #include "chrome/browser/policy/cloud_policy_client.h" | 12 #include "chrome/browser/policy/cloud_policy_client.h" |
| 13 #include "chrome/browser/policy/cloud_policy_store.h" | 13 #include "chrome/browser/policy/cloud_policy_store.h" |
| 14 #include "net/base/network_change_notifier.h" | 14 #include "net/base/network_change_notifier.h" |
| 15 | 15 |
| 16 namespace base { | 16 namespace base { |
| 17 class TaskRunner; | 17 class TaskRunner; |
| 18 } | 18 } |
| 19 | 19 |
| 20 namespace policy { | 20 namespace policy { |
| 21 | 21 |
| 22 // Observes CloudPolicyClient and CloudPolicyStore to trigger periodic policy | 22 // Observes CloudPolicyClient and CloudPolicyStore to trigger periodic policy |
| 23 // fetches and issue retries on error conditions. | 23 // fetches and issue retries on error conditions. |
| 24 class CloudPolicyRefreshScheduler | 24 class CloudPolicyRefreshScheduler |
| 25 : public CloudPolicyClient::Observer, | 25 : public CloudPolicyClient::Observer, |
| 26 public CloudPolicyStore::Observer, | 26 public CloudPolicyStore::Observer, |
| 27 public net::NetworkChangeNotifier::IPAddressObserver { | 27 public net::NetworkChangeNotifier::NetworkChangeObserver { |
| 28 public: | 28 public: |
| 29 // Refresh constants. | 29 // Refresh constants. |
| 30 static const int64 kDefaultRefreshDelayMs; | 30 static const int64 kDefaultRefreshDelayMs; |
| 31 static const int64 kUnmanagedRefreshDelayMs; | 31 static const int64 kUnmanagedRefreshDelayMs; |
| 32 static const int64 kInitialErrorRetryDelayMs; | 32 static const int64 kInitialErrorRetryDelayMs; |
| 33 | 33 |
| 34 // Refresh delay bounds. | 34 // Refresh delay bounds. |
| 35 static const int64 kRefreshDelayMinMs; | 35 static const int64 kRefreshDelayMinMs; |
| 36 static const int64 kRefreshDelayMaxMs; | 36 static const int64 kRefreshDelayMaxMs; |
| 37 | 37 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 51 | 51 |
| 52 // CloudPolicyClient::Observer: | 52 // CloudPolicyClient::Observer: |
| 53 virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE; | 53 virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE; |
| 54 virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE; | 54 virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE; |
| 55 virtual void OnClientError(CloudPolicyClient* client) OVERRIDE; | 55 virtual void OnClientError(CloudPolicyClient* client) OVERRIDE; |
| 56 | 56 |
| 57 // CloudPolicyStore::Observer: | 57 // CloudPolicyStore::Observer: |
| 58 virtual void OnStoreLoaded(CloudPolicyStore* store) OVERRIDE; | 58 virtual void OnStoreLoaded(CloudPolicyStore* store) OVERRIDE; |
| 59 virtual void OnStoreError(CloudPolicyStore* store) OVERRIDE; | 59 virtual void OnStoreError(CloudPolicyStore* store) OVERRIDE; |
| 60 | 60 |
| 61 // net::NetworkChangeNotifier::IPAddressObserver: | 61 // net::NetworkChangeNotifier::NetworkChangeObserver: |
| 62 virtual void OnIPAddressChanged() OVERRIDE; | 62 virtual void OnNetworkChanged( |
| 63 net::NetworkChangeNotifier::ConnectionType type) OVERRIDE; |
| 63 | 64 |
| 64 private: | 65 private: |
| 65 // Initializes |last_refresh_| to the policy timestamp from |store_| in case | 66 // Initializes |last_refresh_| to the policy timestamp from |store_| in case |
| 66 // there is policy present that indicates this client is not managed. This | 67 // there is policy present that indicates this client is not managed. This |
| 67 // results in policy fetches only to occur after the entire unmanaged refresh | 68 // results in policy fetches only to occur after the entire unmanaged refresh |
| 68 // delay expires, even over restarts. For managed clients, we want to trigger | 69 // delay expires, even over restarts. For managed clients, we want to trigger |
| 69 // a refresh on every restart. | 70 // a refresh on every restart. |
| 70 void UpdateLastRefreshFromPolicy(); | 71 void UpdateLastRefreshFromPolicy(); |
| 71 | 72 |
| 72 // Evaluates when the next refresh is pending and updates the callback to | 73 // Evaluates when the next refresh is pending and updates the callback to |
| (...skipping 24 matching lines...) Expand all Loading... |
| 97 | 98 |
| 98 // The refresh delay. | 99 // The refresh delay. |
| 99 int64 refresh_delay_ms_; | 100 int64 refresh_delay_ms_; |
| 100 | 101 |
| 101 DISALLOW_COPY_AND_ASSIGN(CloudPolicyRefreshScheduler); | 102 DISALLOW_COPY_AND_ASSIGN(CloudPolicyRefreshScheduler); |
| 102 }; | 103 }; |
| 103 | 104 |
| 104 } // namespace policy | 105 } // namespace policy |
| 105 | 106 |
| 106 #endif // CHROME_BROWSER_POLICY_CLOUD_POLICY_REFRESH_SCHEDULER_H_ | 107 #endif // CHROME_BROWSER_POLICY_CLOUD_POLICY_REFRESH_SCHEDULER_H_ |
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