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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #ifndef CHROME_BROWSER_POLICY_ASYNC_POLICY_PROVIDER_H_ | 5 #ifndef COMPONENTS_POLICY_CORE_COMMON_ASYNC_POLICY_PROVIDER_H_ | 
| 6 #define CHROME_BROWSER_POLICY_ASYNC_POLICY_PROVIDER_H_ | 6 #define COMPONENTS_POLICY_CORE_COMMON_ASYNC_POLICY_PROVIDER_H_ | 
| 7 | 7 | 
| 8 #include "base/cancelable_callback.h" | 8 #include "base/cancelable_callback.h" | 
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" | 
| 10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" | 
| 11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" | 
| 12 #include "base/threading/non_thread_safe.h" | 12 #include "base/threading/non_thread_safe.h" | 
| 13 #include "components/policy/core/common/configuration_policy_provider.h" | 13 #include "components/policy/core/common/configuration_policy_provider.h" | 
|  | 14 #include "components/policy/policy_export.h" | 
| 14 | 15 | 
| 15 namespace base { | 16 namespace base { | 
| 16 class MessageLoopProxy; | 17 class MessageLoopProxy; | 
| 17 } | 18 } | 
| 18 | 19 | 
| 19 namespace policy { | 20 namespace policy { | 
| 20 | 21 | 
| 21 class AsyncPolicyLoader; | 22 class AsyncPolicyLoader; | 
| 22 class PolicyBundle; | 23 class PolicyBundle; | 
| 23 class SchemaRegistry; | 24 class SchemaRegistry; | 
| 24 | 25 | 
| 25 // A policy provider that loads its policies asynchronously on a background | 26 // A policy provider that loads its policies asynchronously on a background | 
| 26 // thread. Platform-specific providers are created by passing an implementation | 27 // thread. Platform-specific providers are created by passing an implementation | 
| 27 // of AsyncPolicyLoader to a new AsyncPolicyProvider. | 28 // of AsyncPolicyLoader to a new AsyncPolicyProvider. | 
| 28 class AsyncPolicyProvider : public ConfigurationPolicyProvider, | 29 class POLICY_EXPORT AsyncPolicyProvider : public ConfigurationPolicyProvider, | 
| 29                             public base::NonThreadSafe { | 30                                           public base::NonThreadSafe { | 
| 30  public: | 31  public: | 
| 31   // The AsyncPolicyProvider does a synchronous load in its constructor, and | 32   // The AsyncPolicyProvider does a synchronous load in its constructor, and | 
| 32   // therefore it needs the |registry| at construction time. The same |registry| | 33   // therefore it needs the |registry| at construction time. The same |registry| | 
| 33   // should be passed later to Init(). | 34   // should be passed later to Init(). | 
| 34   AsyncPolicyProvider(SchemaRegistry* registry, | 35   AsyncPolicyProvider(SchemaRegistry* registry, | 
| 35                       scoped_ptr<AsyncPolicyLoader> loader); | 36                       scoped_ptr<AsyncPolicyLoader> loader); | 
| 36   virtual ~AsyncPolicyProvider(); | 37   virtual ~AsyncPolicyProvider(); | 
| 37 | 38 | 
| 38   // ConfigurationPolicyProvider implementation. | 39   // ConfigurationPolicyProvider implementation. | 
| 39   virtual void Init(SchemaRegistry* registry) OVERRIDE; | 40   virtual void Init(SchemaRegistry* registry) OVERRIDE; | 
| (...skipping 25 matching lines...) Expand all  Loading... | 
| 65 | 66 | 
| 66   // Callback used to synchronize RefreshPolicies() calls with the background | 67   // Callback used to synchronize RefreshPolicies() calls with the background | 
| 67   // thread. See the implementation for the details. | 68   // thread. See the implementation for the details. | 
| 68   base::CancelableClosure refresh_callback_; | 69   base::CancelableClosure refresh_callback_; | 
| 69 | 70 | 
| 70   DISALLOW_COPY_AND_ASSIGN(AsyncPolicyProvider); | 71   DISALLOW_COPY_AND_ASSIGN(AsyncPolicyProvider); | 
| 71 }; | 72 }; | 
| 72 | 73 | 
| 73 }  // namespace policy | 74 }  // namespace policy | 
| 74 | 75 | 
| 75 #endif  // CHROME_BROWSER_POLICY_ASYNC_POLICY_PROVIDER_H_ | 76 #endif  // COMPONENTS_POLICY_CORE_COMMON_ASYNC_POLICY_PROVIDER_H_ | 
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