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1 // Copyright 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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