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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_UI_WEBUI_POLICY_UI_HANDLER_H_ | |
| 6 #define CHROME_BROWSER_UI_WEBUI_POLICY_UI_HANDLER_H_ | |
|
Dan Beam
2015/11/03 18:34:11
#include <string>
fhorschig
2015/11/04 18:51:18
Done.
| |
| 7 | |
| 8 #include "base/macros.h" | |
|
Dan Beam
2015/11/03 18:34:11
#include "base/memory/scoped_ptr.h"
#include "base
fhorschig
2015/11/04 18:51:18
Done.
| |
| 9 #include "components/policy/core/browser/policy_error_map.h" | |
| 10 #include "components/policy/core/common/policy_map.h" | |
| 11 #include "components/policy/core/common/policy_namespace.h" | |
| 12 #include "components/policy/core/common/policy_service.h" | |
| 13 #include "components/policy/core/common/schema_registry.h" | |
| 14 #include "content/public/browser/web_ui.h" | |
| 15 #include "content/public/browser/web_ui_data_source.h" | |
| 16 #include "content/public/browser/web_ui_message_handler.h" | |
| 17 | |
| 18 #if defined(ENABLE_EXTENSIONS) | |
| 19 #include "extensions/browser/extension_registry_observer.h" | |
| 20 #endif | |
| 21 | |
| 22 struct PolicyStringMap { | |
| 23 const char* key; | |
| 24 int string_id; | |
| 25 }; | |
| 26 | |
| 27 class CloudPolicyStatusProvider; | |
| 28 | |
| 29 // The JavaScript message handler for the chrome://policy page. | |
| 30 class PolicyUIHandler : public content::WebUIMessageHandler, | |
| 31 #if defined(ENABLE_EXTENSIONS) | |
| 32 public extensions::ExtensionRegistryObserver, | |
| 33 #endif | |
| 34 public policy::PolicyService::Observer, | |
| 35 public policy::SchemaRegistry::Observer { | |
| 36 public: | |
| 37 PolicyUIHandler(); | |
| 38 ~PolicyUIHandler() override; | |
| 39 | |
| 40 | |
| 41 static void AddLocalizedPolicyStrings(content::WebUIDataSource* source, | |
| 42 const PolicyStringMap* strings, | |
| 43 size_t count); | |
| 44 | |
| 45 static void AddCommonLocalizedStringsToSource( | |
| 46 content::WebUIDataSource* source); | |
| 47 | |
| 48 // content::WebUIMessageHandler implementation. | |
| 49 void RegisterMessages() override; | |
| 50 | |
| 51 #if defined(ENABLE_EXTENSIONS) | |
| 52 // extensions::ExtensionRegistryObserver implementation. | |
| 53 void OnExtensionLoaded(content::BrowserContext* browser_context, | |
| 54 const extensions::Extension* extension) override; | |
| 55 void OnExtensionUnloaded( | |
| 56 content::BrowserContext* browser_context, | |
| 57 const extensions::Extension* extension, | |
| 58 extensions::UnloadedExtensionInfo::Reason reason) override; | |
| 59 #endif | |
| 60 | |
| 61 // policy::PolicyService::Observer implementation. | |
| 62 void OnPolicyUpdated(const policy::PolicyNamespace& ns, | |
| 63 const policy::PolicyMap& previous, | |
| 64 const policy::PolicyMap& current) override; | |
| 65 | |
| 66 // policy::SchemaRegistry::Observer implementation. | |
| 67 void OnSchemaRegistryUpdated(bool has_new_schemas) override; | |
| 68 | |
| 69 protected: | |
| 70 virtual void AddPolicyName(const std::string& name, | |
| 71 base::DictionaryValue* names) const; | |
| 72 | |
| 73 // Send a dictionary containing the names of all known policies to the UI. | |
| 74 virtual void SendPolicyNames() const; | |
| 75 | |
| 76 private: | |
| 77 // Send information about the current policy values to the UI. For each policy | |
| 78 // whose value has been set, a dictionary containing the value and additional | |
| 79 // metadata is sent. | |
| 80 void SendPolicyValues() const; | |
| 81 | |
| 82 // Send the status of cloud policy to the UI. For each scope that has cloud | |
| 83 // policy enabled (device and/or user), a dictionary containing status | |
| 84 // information is sent. | |
| 85 void SendStatus() const; | |
| 86 | |
| 87 // Inserts a description of each policy in |policy_map| into |values|, using | |
| 88 // the optional errors in |errors| to determine the status of each policy. | |
| 89 void GetPolicyValues(const policy::PolicyMap& policy_map, | |
| 90 policy::PolicyErrorMap* errors, | |
| 91 base::DictionaryValue* values) const; | |
| 92 | |
| 93 void GetChromePolicyValues(base::DictionaryValue* values) const; | |
| 94 | |
| 95 void HandleInitialized(const base::ListValue* args); | |
| 96 void HandleReloadPolicies(const base::ListValue* args); | |
| 97 | |
| 98 void OnRefreshPoliciesDone() const; | |
| 99 | |
| 100 policy::PolicyService* GetPolicyService() const; | |
| 101 | |
| 102 std::string device_domain_; | |
| 103 | |
| 104 // Providers that supply status dictionaries for user and device policy, | |
| 105 // respectively. These are created on initialization time as appropriate for | |
| 106 // the platform (Chrome OS / desktop) and type of policy that is in effect. | |
| 107 scoped_ptr<CloudPolicyStatusProvider> user_status_provider_; | |
| 108 scoped_ptr<CloudPolicyStatusProvider> device_status_provider_; | |
| 109 | |
| 110 base::WeakPtrFactory<PolicyUIHandler> weak_factory_; | |
| 111 | |
| 112 DISALLOW_COPY_AND_ASSIGN(PolicyUIHandler); | |
| 113 }; | |
| 114 | |
| 115 #endif // CHROME_BROWSER_UI_WEBUI_POLICY_UI_HANDLER_H_ | |
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