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 #include "chrome/browser/policy/cloud/cloud_policy_store.h" 6 7 #include "base/hash.h" 8 #include "base/logging.h" 9 #include "chrome/browser/policy/cloud/cloud_external_data_manager.h" 10 11 namespace policy { 12 13 CloudPolicyStore::Observer::~Observer() {} 14 15 CloudPolicyStore::CloudPolicyStore() 16 : status_(STATUS_OK), 17 validation_status_(CloudPolicyValidatorBase::VALIDATION_OK), 18 invalidation_version_(0), 19 is_initialized_(false), 20 policy_changed_(false), 21 hash_value_(0) {} 22 23 CloudPolicyStore::~CloudPolicyStore() {} 24 25 void CloudPolicyStore::Store( 26 const enterprise_management::PolicyFetchResponse& policy, 27 int64 invalidation_version) { 28 invalidation_version_ = invalidation_version; 29 Store(policy); 30 } 31 32 void CloudPolicyStore::AddObserver(CloudPolicyStore::Observer* observer) { 33 observers_.AddObserver(observer); 34 } 35 36 void CloudPolicyStore::RemoveObserver(CloudPolicyStore::Observer* observer) { 37 observers_.RemoveObserver(observer); 38 } 39 40 void CloudPolicyStore::NotifyStoreLoaded() { 41 // Determine if the policy changed by comparing the new policy's hash value 42 // to the previous. 43 uint32 new_hash_value = 0; 44 if (policy_ && policy_->has_policy_value()) 45 new_hash_value = base::Hash(policy_->policy_value()); 46 policy_changed_ = new_hash_value != hash_value_; 47 hash_value_ = new_hash_value; 48 49 is_initialized_ = true; 50 // The |external_data_manager_| must be notified first so that when other 51 // observers are informed about the changed policies and try to fetch external 52 // data referenced by these, the |external_data_manager_| has the required 53 // metadata already. 54 if (external_data_manager_) 55 external_data_manager_->OnPolicyStoreLoaded(); 56 FOR_EACH_OBSERVER(Observer, observers_, OnStoreLoaded(this)); 57 } 58 59 void CloudPolicyStore::NotifyStoreError() { 60 is_initialized_ = true; 61 FOR_EACH_OBSERVER(Observer, observers_, OnStoreError(this)); 62 } 63 64 void CloudPolicyStore::SetExternalDataManager( 65 base::WeakPtr<CloudExternalDataManager> external_data_manager) { 66 DCHECK(!external_data_manager_); 67 external_data_manager_ = external_data_manager; 68 if (is_initialized_) 69 external_data_manager_->OnPolicyStoreLoaded(); 70 } 71 72 } // namespace policy 73
