| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_DRIVE_CHROMEOS_SYNC_REMOVE_PERFORMER_H_ |
| #define COMPONENTS_DRIVE_CHROMEOS_SYNC_REMOVE_PERFORMER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/thread_checker.h" |
| #include "components/drive/file_errors.h" |
| #include "google_apis/drive/drive_api_error_codes.h" |
| |
| namespace base { |
| class SequencedTaskRunner; |
| } |
| |
| namespace google_apis { |
| class FileResource; |
| } |
| |
| namespace drive { |
| |
| class JobScheduler; |
| class ResourceEntry; |
| struct ClientContext; |
| |
| namespace file_system { |
| class OperationDelegate; |
| } // namespace file_system |
| |
| namespace internal { |
| |
| class EntryRevertPerformer; |
| class ResourceMetadata; |
| |
| // This class encapsulates the drive Remove function. It is responsible for |
| // sending the request to the drive API, then updating the local state and |
| // metadata to reflect the new state. |
| class RemovePerformer { |
| public: |
| RemovePerformer(base::SequencedTaskRunner* blocking_task_runner, |
| file_system::OperationDelegate* delegate, |
| JobScheduler* scheduler, |
| ResourceMetadata* metadata); |
| ~RemovePerformer(); |
| |
| // Removes the resource. |
| // |
| // |callback| must not be null. |
| void Remove(const std::string& local_id, |
| const ClientContext& context, |
| const FileOperationCallback& callback); |
| |
| private: |
| // Part of Remove(). Called after GetResourceEntry() completion. |
| void RemoveAfterGetResourceEntry(const ClientContext& context, |
| const FileOperationCallback& callback, |
| const ResourceEntry* entry, |
| FileError error); |
| |
| // Requests the server to move the specified resource to the trash. |
| void TrashResource(const ClientContext& context, |
| const FileOperationCallback& callback, |
| const std::string& resource_id, |
| const std::string& local_id); |
| |
| // Part of TrashResource(). Called after server-side removal is done. |
| void TrashResourceAfterUpdateRemoteState( |
| const ClientContext& context, |
| const FileOperationCallback& callback, |
| const std::string& local_id, |
| google_apis::DriveApiErrorCode status); |
| |
| // Requests the server to detach the specified resource from its parent. |
| void UnparentResource(const ClientContext& context, |
| const FileOperationCallback& callback, |
| const std::string& resource_id, |
| const std::string& local_id); |
| |
| // Part of UnparentResource(). |
| void UnparentResourceAfterGetFileResource( |
| const ClientContext& context, |
| const FileOperationCallback& callback, |
| const std::string& local_id, |
| google_apis::DriveApiErrorCode status, |
| std::unique_ptr<google_apis::FileResource> file_resource); |
| |
| // Part of UnparentResource(). |
| void UnparentResourceAfterUpdateRemoteState( |
| const FileOperationCallback& callback, |
| const std::string& local_id, |
| google_apis::DriveApiErrorCode status); |
| |
| scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; |
| file_system::OperationDelegate* delegate_; |
| JobScheduler* scheduler_; |
| ResourceMetadata* metadata_; |
| std::unique_ptr<EntryRevertPerformer> entry_revert_performer_; |
| |
| base::ThreadChecker thread_checker_; |
| |
| // Note: This should remain the last member so it'll be destroyed and |
| // invalidate the weak pointers before any other members are destroyed. |
| base::WeakPtrFactory<RemovePerformer> weak_ptr_factory_; |
| DISALLOW_COPY_AND_ASSIGN(RemovePerformer); |
| }; |
| |
| } // namespace internal |
| } // namespace drive |
| |
| #endif // COMPONENTS_DRIVE_CHROMEOS_SYNC_REMOVE_PERFORMER_H_ |