Split UserCloudPolicyManager implementation.

chrome/browser/policy/user_cloud_policy_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_POLICY_USER_CLOUD_POLICY_MANAGER_H_
 #define CHROME_BROWSER_POLICY_USER_CLOUD_POLICY_MANAGER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
-#include "chrome/browser/policy/cloud_policy_client.h"
 #include "chrome/browser/policy/cloud_policy_constants.h"
 #include "chrome/browser/policy/cloud_policy_manager.h"
 
 class PrefService;
 class Profile;
 
 namespace policy {
 
+class CloudPolicyClient;
 class DeviceManagementService;
+class UserCloudPolicyStore;
 
-// UserCloudPolicyManager keeps track of all things user policy, drives the
-// corresponding cloud policy service and publishes policy through the
-// ConfigurationPolicyProvider interface.
-class UserCloudPolicyManager : public CloudPolicyManager,
-                               public CloudPolicyClient::Observer {
+// UserCloudPolicyManager handles initialization of user policy for Chrome
+// Profiles on the desktop platforms.
+class UserCloudPolicyManager : public CloudPolicyManager {
  public:
-  // If |wait_for_policy_fetch| is true, IsInitializationComplete() will return
-  // false as long as there hasn't been a successful policy fetch.
-  UserCloudPolicyManager(scoped_ptr<CloudPolicyStore> store,
-                         bool wait_for_policy_fetch);
+  UserCloudPolicyManager(Profile* profile,
+                         scoped_ptr<UserCloudPolicyStore> store);
   virtual ~UserCloudPolicyManager();
 
-  // Enumeration describing how to initialize the UserCloudPolicyManager.
-  enum PolicyInit {
-    // Forces policy to be loaded immediately (as part of the constructor). This
-    // will block the caller while file I/O happens, and the resulting object
-    // will start in an initialized state. This is only supported on desktop
-    // platforms, as those platforms are the only ones that initialize Profile
-    // objects synchronously (on ChromeOS, Profiles are initialized
-    // asynchronously, and the underlying policy mechanism is also
-    // asynchronous).
-    POLICY_INIT_IMMEDIATELY,
+  // Creates a new instance for use with |profile|. If |force_immediate_load| is
+  // true, policy is loaded synchronously from UserCloudPolicyStore at startup.
+  static scoped_ptr<UserCloudPolicyManager> Create(Profile* profile,
+                                                   bool force_immediate_load);
 
-    // Loads policy via a background task. UserCloudPolicyManager will mark
-    // itself as initialized once the policy has finished loading.
-    POLICY_INIT_IN_BACKGROUND,
-
-    // Attempts to download the latest policy from the server, and if the
-    // request fails, just uses the existing cached policy. The object will
-    // mark itself as initialized once the request is complete.
-    POLICY_INIT_REFRESH_FROM_SERVER
-  };
-
-  // Creates a UserCloudPolicyManager instance associated with the passed
-  // |profile|. If |policy_init| is passed as POLICY_INIT_IMMEDIATELY, then
-  // the CloudPolicyStore will be fully initialized before this call returns.
-  static scoped_ptr<UserCloudPolicyManager> Create(Profile* profile,
-                                                   PolicyInit policy_init);
-
-  // Initializes the cloud connection. |local_state| and |service| must stay
-  // valid until this object is deleted or ShutdownAndRemovePolicy() gets
-  // called. Virtual for mocking.
+  // Initializes the cloud connection. |local_state| and
+  // |device_management_service| must stay valid until this object is deleted or
+  // ShutdownAndRemovePolicy() gets called. Virtual for mocking.
   virtual void Initialize(PrefService* local_state,
-                          DeviceManagementService* device_management_service,
-                          UserAffiliation user_affiliation);
+                          DeviceManagementService* device_management_service);
 
   // Shuts down the UserCloudPolicyManager (removes and stops refreshing the
   // cached cloud policy). This is typically called when a profile is being
   // disassociated from a given user (e.g. during signout). No policy will be
   // provided by this object until the next time Initialize() is invoked.
   void ShutdownAndRemovePolicy();
 
-  // Cancels waiting for the policy fetch and flags the
-  // ConfigurationPolicyProvider ready (assuming all other initialization tasks
-  // have completed).
-  void CancelWaitForPolicyFetch();
-
   // Returns true if the underlying CloudPolicyClient is already registered.
   // Virtual for mocking.
   virtual bool IsClientRegistered() const;
 
   // Register the CloudPolicyClient using the passed OAuth token.
   void RegisterClient(const std::string& access_token);
 
-  // ConfigurationPolicyProvider:
-  virtual void Shutdown() OVERRIDE;
-  virtual bool IsInitializationComplete() const OVERRIDE;
+ private:
+  // The profile this instance belongs to.
+  Profile* profile_;
 
-  // CloudPolicyClient::Observer:
-  virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE;
-  virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE;
-  virtual void OnClientError(CloudPolicyClient* client) OVERRIDE;
-
- private:
-  // Completion handler for the explicit policy fetch triggered on startup in
-  // case |wait_for_policy_fetch_| is true.
-  void OnInitialPolicyFetchComplete();
-
-  // Whether to wait for a policy fetch to complete before reporting
-  // IsInitializationComplete().
-  bool wait_for_policy_fetch_;
-
-  // The pref service to pass to the refresh scheduler on initialization.
-  PrefService* local_state_;
+  // Typed pointer to the store owned by UserCloudPolicyManager. Note that
+  // CloudPolicyManager only keeps a plain CloudPolicyStore pointer.
+  scoped_ptr<UserCloudPolicyStore> store_;
 
   DISALLOW_COPY_AND_ASSIGN(UserCloudPolicyManager);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_USER_CLOUD_POLICY_MANAGER_H_