Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / components / policy / core / common / cloud / cloud_policy_manager.h
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 COMPONENTS_POLICY_CORE_COMMON_CLOUD_CLOUD_POLICY_MANAGER_H_
6 #define COMPONENTS_POLICY_CORE_COMMON_CLOUD_CLOUD_POLICY_MANAGER_H_
7
8 #include <string>
9
10 #include "base/basictypes.h"
11 #include "base/compiler_specific.h"
12 #include "base/memory/ref_counted.h"
13 #include "base/memory/scoped_ptr.h"
14 #include "base/prefs/pref_member.h"
15 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
16 #include "components/policy/core/common/cloud/cloud_policy_core.h"
17 #include "components/policy/core/common/cloud/cloud_policy_store.h"
18 #include "components/policy/core/common/cloud/component_cloud_policy_service.h"
19 #include "components/policy/core/common/configuration_policy_provider.h"
20 #include "components/policy/policy_export.h"
21
22 namespace base {
23 class FilePath;
24 class SequencedTaskRunner;
25 }
26
27 namespace net {
28 class URLRequestContextGetter;
29 }
30
31 namespace policy {
32
33 class PolicyMap;
34
35 // CloudPolicyManager is the main switching central between cloud policy and the
36 // upper layers of the policy stack. It wires up a CloudPolicyCore to the
37 // ConfigurationPolicyProvider interface.
38 //
39 // This class contains the base functionality, there are subclasses that add
40 // functionality specific to user-level and device-level cloud policy, such as
41 // blocking on initial user policy fetch or device enrollment.
42 class POLICY_EXPORT CloudPolicyManager
43     : public ConfigurationPolicyProvider,
44       public CloudPolicyStore::Observer,
45       public ComponentCloudPolicyService::Delegate {
46  public:
47   // |task_runner| is the runner for policy refresh tasks.
48   // |file_task_runner| is used for file operations. Currently this must be the
49   // FILE BrowserThread.
50   // |io_task_runner| is used for network IO. Currently this must be the IO
51   // BrowserThread.
52   CloudPolicyManager(
53       const PolicyNamespaceKey& policy_ns_key,
54       CloudPolicyStore* cloud_policy_store,
55       const scoped_refptr<base::SequencedTaskRunner>& task_runner,
56       const scoped_refptr<base::SequencedTaskRunner>& file_task_runner,
57       const scoped_refptr<base::SequencedTaskRunner>& io_task_runner);
58   ~CloudPolicyManager() override;
59
60   CloudPolicyCore* core() { return &core_; }
61   const CloudPolicyCore* core() const { return &core_; }
62
63   // ConfigurationPolicyProvider:
64   void Shutdown() override;
65   bool IsInitializationComplete(PolicyDomain domain) const override;
66   void RefreshPolicies() override;
67
68   // CloudPolicyStore::Observer:
69   void OnStoreLoaded(CloudPolicyStore* cloud_policy_store) override;
70   void OnStoreError(CloudPolicyStore* cloud_policy_store) override;
71
72   // ComponentCloudPolicyService::Delegate:
73   void OnComponentCloudPolicyUpdated() override;
74
75  protected:
76   // Check whether fully initialized and if so, publish policy by calling
77   // ConfigurationPolicyStore::UpdatePolicy().
78   void CheckAndPublishPolicy();
79
80   // Writes Chrome policy into |policy_map|. This is intended to be overridden
81   // by subclasses that want to post-process policy before publishing it. The
82   // default implementation just copies over |store()->policy_map()|.
83   virtual void GetChromePolicy(PolicyMap* policy_map);
84
85   void CreateComponentCloudPolicyService(
86       const base::FilePath& policy_cache_path,
87       const scoped_refptr<net::URLRequestContextGetter>& request_context);
88
89   void ClearAndDestroyComponentCloudPolicyService();
90
91   // Convenience accessors to core() components.
92   CloudPolicyClient* client() { return core_.client(); }
93   const CloudPolicyClient* client() const { return core_.client(); }
94   CloudPolicyStore* store() { return core_.store(); }
95   const CloudPolicyStore* store() const { return core_.store(); }
96   CloudPolicyService* service() { return core_.service(); }
97   const CloudPolicyService* service() const { return core_.service(); }
98   ComponentCloudPolicyService* component_policy_service() const {
99     return component_policy_service_.get();
100   }
101
102  private:
103   // Completion handler for policy refresh operations.
104   void OnRefreshComplete(bool success);
105
106   CloudPolicyCore core_;
107   scoped_ptr<ComponentCloudPolicyService> component_policy_service_;
108
109   // Whether there's a policy refresh operation pending, in which case all
110   // policy update notifications are deferred until after it completes.
111   bool waiting_for_policy_refresh_;
112
113   scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
114   scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
115
116   DISALLOW_COPY_AND_ASSIGN(CloudPolicyManager);
117 };
118
119 }  // namespace policy
120
121 #endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_CLOUD_POLICY_MANAGER_H_