components/sync_driver/sync_api_component_factory.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 COMPONENTS_SYNC_DRIVER_SYNC_API_COMPONENT_FACTORY_H_
   6 #define COMPONENTS_SYNC_DRIVER_SYNC_API_COMPONENT_FACTORY_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "sync/api/syncable_service.h"
  11 #include "sync/internal_api/public/attachments/attachment_service.h"
  12 #include "sync/internal_api/public/base/model_type.h"
  13
  14 namespace sync_driver {
  15
  16 // This factory provides sync driver code with the model type specific sync/api
  17 // service (like SyncableService) implementations.
  18 class SyncApiComponentFactory {
  19  public:
  20   virtual ~SyncApiComponentFactory() {}
  21
  22   // Returns a weak pointer to the syncable service specified by |type|.
  23   // Weak pointer may be unset if service is already destroyed.
  24   // Note: Should only be called from the model type thread.
  25   virtual base::WeakPtr<syncer::SyncableService> GetSyncableServiceForType(
  26       syncer::ModelType type) = 0;
  27
  28   // Creates attachment service.
  29   // Note: Should only be called from the model type thread.
  30   //
  31   // |store_birthday| is the store birthday.  Must not be empty.
  32   //
  33   // |model_type| is the model type this AttachmentService will be used with.
  34   //
  35   // |delegate| is optional delegate for AttachmentService to notify about
  36   // asynchronous events (AttachmentUploaded). Pass NULL if delegate is not
  37   // provided. AttachmentService doesn't take ownership of delegate, the pointer
  38   // must be valid throughout AttachmentService lifetime.
  39   virtual scoped_ptr<syncer::AttachmentService> CreateAttachmentService(
  40       const scoped_refptr<syncer::AttachmentStore>& attachment_store,
  41       const syncer::UserShare& user_share,
  42       const std::string& store_birthday,
  43       syncer::ModelType model_type,
  44       syncer::AttachmentService::Delegate* delegate) = 0;
  45 };
  46
  47 }  // namespace sync_driver
  48
  49 #endif  // COMPONENTS_SYNC_DRIVER_SYNC_API_COMPONENT_FACTORY_H_