Support cloud policy for extensions on the desktop platforms.

chrome/browser/policy/cloud/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_CLOUD_CLOUD_POLICY_MANAGER_H_
 #define CHROME_BROWSER_POLICY_CLOUD_CLOUD_POLICY_MANAGER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_member.h"
 #include "chrome/browser/policy/cloud/cloud_policy_constants.h"
 #include "chrome/browser/policy/cloud/cloud_policy_core.h"
 #include "chrome/browser/policy/cloud/cloud_policy_store.h"
+#include "chrome/browser/policy/cloud/component_cloud_policy_service.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 
 namespace base {
+class FilePath;
 class SequencedTaskRunner;
 }
 
+namespace net {
+class URLRequestContextGetter;
+}
+
 namespace policy {
 
-class PolicyBundle;
-
 // CloudPolicyManager is the main switching central between cloud policy and the
 // upper layers of the policy stack. It wires up a CloudPolicyCore to the
 // ConfigurationPolicyProvider interface.
 //
 // This class contains the base functionality, there are subclasses that add
 // functionality specific to user-level and device-level cloud policy, such as
 // blocking on initial user policy fetch or device enrollment.
 class CloudPolicyManager : public ConfigurationPolicyProvider,
-                           public CloudPolicyStore::Observer {
+                           public CloudPolicyStore::Observer,
+                           public ComponentCloudPolicyService::Delegate {
  public:
   // |task_runner| is the runner for policy refresh tasks.
+  // |file_task_runner| is used for file operations. Currently this must be the
+  // FILE BrowserThread.
+  // |io_task_runner| is used for network IO. Currently this must be the IO
+  // BrowserThread.
   CloudPolicyManager(
       const PolicyNamespaceKey& policy_ns_key,
       CloudPolicyStore* cloud_policy_store,
-      const scoped_refptr<base::SequencedTaskRunner>& task_runner);
+      const scoped_refptr<base::SequencedTaskRunner>& task_runner,
+      const scoped_refptr<base::SequencedTaskRunner>& file_task_runner,
+      const scoped_refptr<base::SequencedTaskRunner>& io_task_runner);
   virtual ~CloudPolicyManager();
 
   CloudPolicyCore* core() { return &core_; }
   const CloudPolicyCore* core() const { return &core_; }
 
   // ConfigurationPolicyProvider:
   virtual void Shutdown() OVERRIDE;
   virtual bool IsInitializationComplete(PolicyDomain domain) const OVERRIDE;
   virtual void RefreshPolicies() OVERRIDE;
 
   // CloudPolicyStore::Observer:
   virtual void OnStoreLoaded(CloudPolicyStore* cloud_policy_store) OVERRIDE;
   virtual void OnStoreError(CloudPolicyStore* cloud_policy_store) OVERRIDE;
 
+  // ComponentCloudPolicyService::Delegate:
+  virtual void OnComponentCloudPolicyUpdated() OVERRIDE;
+
  protected:
   // Check whether fully initialized and if so, publish policy by calling
   // ConfigurationPolicyStore::UpdatePolicy().
   void CheckAndPublishPolicy();
 
-  // Called by CheckAndPublishPolicy() to create a bundle with the current
-  // policies.
-  virtual scoped_ptr<PolicyBundle> CreatePolicyBundle();
+  void CreateComponentCloudPolicyService(
+      const base::FilePath& policy_cache_path,
+      const scoped_refptr<net::URLRequestContextGetter>& request_context);
 
   // Convenience accessors to core() components.
   CloudPolicyClient* client() { return core_.client(); }
   const CloudPolicyClient* client() const { return core_.client(); }
   CloudPolicyStore* store() { return core_.store(); }
   const CloudPolicyStore* store() const { return core_.store(); }
   CloudPolicyService* service() { return core_.service(); }
   const CloudPolicyService* service() const { return core_.service(); }
+  ComponentCloudPolicyService* component_policy_service() const {
+    return component_policy_service_.get();
+  }
 
  private:
   // Completion handler for policy refresh operations.
   void OnRefreshComplete(bool success);
 
   CloudPolicyCore core_;
+  scoped_ptr<ComponentCloudPolicyService> component_policy_service_;
 
   // Whether there's a policy refresh operation pending, in which case all
   // policy update notifications are deferred until after it completes.
   bool waiting_for_policy_refresh_;
 
+  scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
+  scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
+
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyManager);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_CLOUD_POLICY_MANAGER_H_