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| 1 // Copyright (c) 2013 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/chromeos/policy/login_profile_policy_provider.h" |
| 6 |
| 7 #include <string> |
| 8 |
| 9 #include "base/bind.h" |
| 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/values.h" |
| 12 #include "chrome/browser/policy/policy_bundle.h" |
| 13 #include "chrome/browser/policy/policy_map.h" |
| 14 #include "chrome/browser/policy/policy_types.h" |
| 15 #include "policy/policy_constants.h" |
| 16 |
| 17 namespace policy { |
| 18 |
| 19 namespace { |
| 20 |
| 21 // Applies the value of |device_policy| in |device_policy_map| as the |
| 22 // recommended value of |user_policy| in |user_policy_map|. If the value of |
| 23 // |device_policy| is unset, does nothing. |
| 24 void ApplyDevicePolicy(const std::string& device_policy, |
| 25 const std::string& user_policy, |
| 26 const PolicyMap& device_policy_map, |
| 27 PolicyMap* user_policy_map) { |
| 28 const base::Value* value = device_policy_map.GetValue(device_policy); |
| 29 if (value) { |
| 30 user_policy_map->Set(user_policy, |
| 31 POLICY_LEVEL_RECOMMENDED, |
| 32 POLICY_SCOPE_USER, |
| 33 value->DeepCopy()); |
| 34 } |
| 35 } |
| 36 |
| 37 } // namespace |
| 38 |
| 39 LoginProfilePolicyProvider::LoginProfilePolicyProvider( |
| 40 PolicyService* device_policy_service) |
| 41 : device_policy_service_(device_policy_service), |
| 42 waiting_for_device_policy_refresh_(false), |
| 43 weak_factory_(this) { |
| 44 } |
| 45 |
| 46 LoginProfilePolicyProvider::~LoginProfilePolicyProvider() { |
| 47 } |
| 48 |
| 49 void LoginProfilePolicyProvider::Init() { |
| 50 ConfigurationPolicyProvider::Init(); |
| 51 device_policy_service_->AddObserver(POLICY_DOMAIN_CHROME, this); |
| 52 if (device_policy_service_->IsInitializationComplete(POLICY_DOMAIN_CHROME)) |
| 53 UpdateFromDevicePolicy(); |
| 54 } |
| 55 |
| 56 void LoginProfilePolicyProvider::Shutdown() { |
| 57 device_policy_service_->RemoveObserver(POLICY_DOMAIN_CHROME, this); |
| 58 weak_factory_.InvalidateWeakPtrs(); |
| 59 ConfigurationPolicyProvider::Shutdown(); |
| 60 } |
| 61 |
| 62 void LoginProfilePolicyProvider::RefreshPolicies() { |
| 63 waiting_for_device_policy_refresh_ = true; |
| 64 weak_factory_.InvalidateWeakPtrs(); |
| 65 device_policy_service_->RefreshPolicies(base::Bind( |
| 66 &LoginProfilePolicyProvider::OnDevicePolicyRefreshDone, |
| 67 weak_factory_.GetWeakPtr())); |
| 68 } |
| 69 |
| 70 void LoginProfilePolicyProvider::OnPolicyUpdated(const PolicyNamespace& ns, |
| 71 const PolicyMap& previous, |
| 72 const PolicyMap& current) { |
| 73 if (ns == PolicyNamespace(POLICY_DOMAIN_CHROME, std::string())) |
| 74 UpdateFromDevicePolicy(); |
| 75 } |
| 76 |
| 77 void LoginProfilePolicyProvider::OnPolicyServiceInitialized( |
| 78 PolicyDomain domain) { |
| 79 if (domain == POLICY_DOMAIN_CHROME) |
| 80 UpdateFromDevicePolicy(); |
| 81 } |
| 82 |
| 83 void LoginProfilePolicyProvider::OnDevicePolicyRefreshDone() { |
| 84 waiting_for_device_policy_refresh_ = false; |
| 85 UpdateFromDevicePolicy(); |
| 86 } |
| 87 |
| 88 void LoginProfilePolicyProvider::UpdateFromDevicePolicy() { |
| 89 // If a policy refresh is in progress, wait for it to finish. |
| 90 if (waiting_for_device_policy_refresh_) |
| 91 return; |
| 92 |
| 93 const PolicyNamespace chrome_namespaces(POLICY_DOMAIN_CHROME, std::string()); |
| 94 const PolicyMap& device_policy_map = |
| 95 device_policy_service_->GetPolicies(chrome_namespaces); |
| 96 scoped_ptr<PolicyBundle> bundle(new PolicyBundle); |
| 97 PolicyMap& user_policy_map = bundle->Get(chrome_namespaces); |
| 98 |
| 99 ApplyDevicePolicy(key::kDeviceLoginScreenDefaultLargeCursorEnabled, |
| 100 key::kLargeCursorEnabled, |
| 101 device_policy_map, &user_policy_map); |
| 102 ApplyDevicePolicy(key::kDeviceLoginScreenDefaultSpokenFeedbackEnabled, |
| 103 key::kSpokenFeedbackEnabled, |
| 104 device_policy_map, &user_policy_map); |
| 105 ApplyDevicePolicy(key::kDeviceLoginScreenDefaultHighContrastEnabled, |
| 106 key::kHighContrastEnabled, |
| 107 device_policy_map, &user_policy_map); |
| 108 ApplyDevicePolicy(key::kDeviceLoginScreenDefaultScreenMagnifierType, |
| 109 key::kScreenMagnifierType, |
| 110 device_policy_map, &user_policy_map); |
| 111 UpdatePolicy(bundle.Pass()); |
| 112 } |
| 113 |
| 114 } // namespace policy |
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