chrome/browser/sync_file_system/drive_backend/sync_engine_context.h

   1 // Copyright 2013 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 CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_CONTEXT_H_
   6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_CONTEXT_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/sequence_checker.h"
  13
  14 namespace base {
  15 class SequencedTaskRunner;
  16 class SingleThreadTaskRunner;
  17 }
  18
  19 namespace drive {
  20 class DriveServiceInterface;
  21 class DriveUploaderInterface;
  22 }
  23
  24 namespace sync_file_system {
  25
  26 class RemoteChangeProcessor;
  27 class TaskLogger;
  28
  29 namespace drive_backend {
  30
  31 class MetadataDatabase;
  32
  33 class SyncEngineContext {
  34  public:
  35   SyncEngineContext(
  36       scoped_ptr<drive::DriveServiceInterface> drive_service,
  37       scoped_ptr<drive::DriveUploaderInterface> drive_uploader,
  38       TaskLogger* task_logger,
  39       const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
  40       const scoped_refptr<base::SequencedTaskRunner>& worker_task_runner,
  41       const scoped_refptr<base::SequencedWorkerPool>& worker_pool);
  42   ~SyncEngineContext();
  43
  44   void SetMetadataDatabase(scoped_ptr<MetadataDatabase> metadata_database);
  45   void SetRemoteChangeProcessor(
  46       RemoteChangeProcessor* remote_change_processor);
  47
  48   drive::DriveServiceInterface* GetDriveService();
  49   drive::DriveUploaderInterface* GetDriveUploader();
  50   base::WeakPtr<TaskLogger> GetTaskLogger();
  51   MetadataDatabase* GetMetadataDatabase();
  52   RemoteChangeProcessor* GetRemoteChangeProcessor();
  53   base::SingleThreadTaskRunner* GetUITaskRunner();
  54   base::SequencedTaskRunner* GetWorkerTaskRunner();
  55   base::SequencedWorkerPool* GetWorkerPool();
  56
  57   scoped_ptr<MetadataDatabase> PassMetadataDatabase();
  58
  59   void DetachFromSequence();
  60
  61  private:
  62   friend class DriveBackendSyncTest;
  63
  64   scoped_ptr<drive::DriveServiceInterface> drive_service_;
  65   scoped_ptr<drive::DriveUploaderInterface> drive_uploader_;
  66   base::WeakPtr<TaskLogger> task_logger_;
  67   RemoteChangeProcessor* remote_change_processor_;  // Not owned.
  68
  69   scoped_ptr<MetadataDatabase> metadata_database_;
  70   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
  71   scoped_refptr<base::SequencedTaskRunner> worker_task_runner_;
  72   scoped_refptr<base::SequencedWorkerPool> worker_pool_;
  73
  74   base::SequenceChecker sequence_checker_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(SyncEngineContext);
  77 };
  78
  79 }  // namespace drive_backend
  80 }  // namespace sync_file_system
  81
  82 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_ENGINE_CONTEXT_H_