sync/internal_api/sync_core.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef SYNC_INTERNAL_API_PUBLIC_SYNC_CORE_H_
   6 #define SYNC_INTERNAL_API_PUBLIC_SYNC_CORE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "base/sequenced_task_runner.h"
  11 #include "sync/base/sync_export.h"
  12 #include "sync/internal_api/public/base/model_type.h"
  13
  14 namespace syncer {
  15
  16 class ModelTypeRegistry;
  17 class NonBlockingTypeProcessor;
  18
  19 // An interface of the core parts of sync.
  20 //
  21 // In theory, this is the component that provides off-thread sync types with
  22 // functionality to schedule and execute communication with the sync server.  In
  23 // practice, this class delegates most of the responsibilty of implemeting this
  24 // functionality to other classes, and most of the interface is exposed not
  25 // directly here but instead through a per-ModelType class that this class helps
  26 // instantiate.
  27 class SYNC_EXPORT_PRIVATE SyncCore {
  28  public:
  29   explicit SyncCore(ModelTypeRegistry* model_type_registry);
  30   ~SyncCore();
  31
  32   // Initializes the connection between the sync core and its delegate on the
  33   // sync client's thread.
  34   void ConnectSyncTypeToCore(
  35     syncer::ModelType type,
  36     scoped_refptr<base::SequencedTaskRunner> datatype_task_runner,
  37     base::WeakPtr<NonBlockingTypeProcessor> sync_client);
  38
  39   base::WeakPtr<SyncCore> AsWeakPtr();
  40
  41  private:
  42   ModelTypeRegistry* model_type_registry_;
  43   base::WeakPtrFactory<SyncCore> weak_ptr_factory_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(SyncCore);
  46 };
  47
  48 }  // namespace syncer
  49
  50 #endif  // SYNC_INTERNAL_API_PUBLIC_SYNC_CORE_H_
  51