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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 SYNC_INTERNAL_API_SYNC_CORE_PROXY_IMPL_H_ | 5 #ifndef SYNC_INTERNAL_API_SYNC_CONTEXT_PROXY_IMPL_H_ |
| 6 #define SYNC_INTERNAL_API_SYNC_CORE_PROXY_IMPL_H_ | 6 #define SYNC_INTERNAL_API_SYNC_CONTEXT_PROXY_IMPL_H_ |
| 7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
| 10 #include "base/sequenced_task_runner.h" | 10 #include "base/sequenced_task_runner.h" |
| 11 #include "sync/base/sync_export.h" | 11 #include "sync/base/sync_export.h" |
| 12 #include "sync/internal_api/public/base/model_type.h" | 12 #include "sync/internal_api/public/base/model_type.h" |
| 13 #include "sync/internal_api/public/sync_core_proxy.h" | 13 #include "sync/internal_api/public/sync_context_proxy.h" |
| 14 | 14 |
| 15 namespace syncer { | 15 namespace syncer { |
| 16 | 16 |
| 17 class SyncCore; | 17 class SyncContext; |
| 18 class NonBlockingTypeProcessor; | 18 class ModelTypeSyncProxyImpl; |
| 19 struct DataTypeState; | 19 struct DataTypeState; |
| 20 | 20 |
| 21 // Encapsulates a reference to the sync core and the thread it's running on. | 21 // Encapsulates a reference to the sync context and the thread it's running on. |
| 22 // Used by sync's data types to connect with the sync core. | 22 // Used by sync's data types to connect with the sync context. |
| 23 // | 23 // |
| 24 // It is epxected that this object will be copied to and used on many different | 24 // It is expected that this object will be copied to and used on many different |
| 25 // threads. It is small and safe to pass by value. | 25 // threads. It is small and safe to pass by value. |
| 26 class SYNC_EXPORT_PRIVATE SyncCoreProxyImpl : public SyncCoreProxy { | 26 class SYNC_EXPORT_PRIVATE SyncContextProxyImpl : public SyncContextProxy { |
| 27 public: | 27 public: |
| 28 SyncCoreProxyImpl( | 28 SyncContextProxyImpl( |
| 29 scoped_refptr<base::SequencedTaskRunner> sync_task_runner, | 29 const scoped_refptr<base::SequencedTaskRunner>& sync_task_runner, |
| 30 base::WeakPtr<SyncCore> sync_core); | 30 const base::WeakPtr<SyncContext>& sync_context); |
| 31 virtual ~SyncCoreProxyImpl(); | 31 virtual ~SyncContextProxyImpl(); |
| 32 | 32 |
| 33 // Attempts to connect a non-blocking type to the sync core. | 33 // Attempts to connect a non-blocking type to the sync context. |
| 34 // | 34 // |
| 35 // This may fail under some unusual circumstances, like shutdown. Due to the | 35 // This may fail under some unusual circumstances, like shutdown. Due to the |
| 36 // nature of WeakPtrs and cross-thread communication, the caller will be | 36 // nature of WeakPtrs and cross-thread communication, the caller will be |
| 37 // unable to distinguish a slow success from failure. | 37 // unable to distinguish a slow success from failure. |
| 38 // | 38 // |
| 39 // Must be called from the thread where the data type lives. | 39 // Must be called from the thread where the data type lives. |
| 40 virtual void ConnectTypeToCore( | 40 virtual void ConnectTypeToSync( |
| 41 syncer::ModelType type, | 41 syncer::ModelType type, |
| 42 const DataTypeState& data_type_state, | 42 const DataTypeState& data_type_state, |
| 43 base::WeakPtr<NonBlockingTypeProcessor> type_processor) OVERRIDE; | 43 const base::WeakPtr<ModelTypeSyncProxyImpl>& sync_proxy_impl) OVERRIDE; |
| 44 | 44 |
| 45 // Disables syncing for the given type on the sync thread. | 45 // Disables syncing for the given type on the sync thread. |
| 46 virtual void Disconnect(syncer::ModelType type) OVERRIDE; | 46 virtual void Disconnect(syncer::ModelType type) OVERRIDE; |
| 47 | 47 |
| 48 virtual scoped_ptr<SyncCoreProxy> Clone() const OVERRIDE; | 48 virtual scoped_ptr<SyncContextProxy> Clone() const OVERRIDE; |
| 49 | 49 |
| 50 private: | 50 private: |
| 51 // A SequencedTaskRunner representing the thread where the SyncCore lives. | 51 // A SequencedTaskRunner representing the thread where the SyncContext lives. |
| 52 scoped_refptr<base::SequencedTaskRunner> sync_task_runner_; | 52 scoped_refptr<base::SequencedTaskRunner> sync_task_runner_; |
| 53 | 53 |
| 54 // The SyncCore this object is wrapping. | 54 // The SyncContext this object is wrapping. |
| 55 base::WeakPtr<SyncCore> sync_core_; | 55 base::WeakPtr<SyncContext> sync_context_; |
| 56 }; | 56 }; |
| 57 | 57 |
| 58 } // namespace syncer | 58 } // namespace syncer |
| 59 | 59 |
| 60 #endif // SYNC_INTERNAL_API_SYNC_CORE_PROXY_IMPL_H_ | 60 #endif // SYNC_INTERNAL_API_SYNC_CONTEXT_PROXY_IMPL_H_ |
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