| // 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 CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CREATE_FILE_OPERATION_H_ |
| #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CREATE_FILE_OPERATION_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/browser/chromeos/drive/file_errors.h" |
| #include "google_apis/drive/gdata_errorcode.h" |
| |
| namespace base { |
| class FilePath; |
| class SequencedTaskRunner; |
| } // namespace base |
| |
| namespace google_apis { |
| class ResourceEntry; |
| } // namespace google_apis |
| |
| namespace drive { |
| |
| namespace internal { |
| class FileCache; |
| class ResourceMetadata; |
| } // namespace internal |
| |
| struct EntryInfoPairResult; |
| class JobScheduler; |
| class ResourceEntry; |
| |
| namespace file_system { |
| |
| class OperationObserver; |
| |
| // This class encapsulates the drive CreateFile 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 CreateFileOperation { |
| public: |
| CreateFileOperation(base::SequencedTaskRunner* blocking_task_runner, |
| OperationObserver* observer, |
| JobScheduler* scheduler, |
| internal::ResourceMetadata* metadata, |
| internal::FileCache* cache); |
| ~CreateFileOperation(); |
| |
| // Creates an empty file at |file_path| in the remote server. When the file |
| // already exists at that path, the operation fails if |is_exclusive| is true, |
| // and it succeeds without doing anything if the flag is false. |
| // If |mime_type| is non-empty, it is used as the mime type of the entry. If |
| // the parameter is empty, the type is guessed from |file_path|. |
| // |
| // |callback| must not be null. |
| void CreateFile(const base::FilePath& file_path, |
| bool is_exclusive, |
| const std::string& mime_type, |
| const FileOperationCallback& callback); |
| |
| private: |
| // Part of CreateFile(). Called after the precondition check is completed. |
| void CreateFileAfterCheckPreCondition(const base::FilePath& file_path, |
| const FileOperationCallback& callback, |
| std::string* parent_resource_id, |
| std::string* mime_type, |
| FileError error); |
| |
| // Part of CreateFile(). Called after the server side file creation is |
| // completed. |
| void CreateFileAfterUpload( |
| const FileOperationCallback& callback, |
| google_apis::GDataErrorCode error, |
| scoped_ptr<google_apis::ResourceEntry> resource_entry); |
| |
| // Part of CreateFile(). Called after the updating local state is completed. |
| void CreateFileAfterUpdateLocalState(const FileOperationCallback& callback, |
| base::FilePath* file_path, |
| FileError error); |
| |
| scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; |
| OperationObserver* observer_; |
| JobScheduler* scheduler_; |
| internal::ResourceMetadata* metadata_; |
| internal::FileCache* cache_; |
| |
| // 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<CreateFileOperation> weak_ptr_factory_; |
| DISALLOW_COPY_AND_ASSIGN(CreateFileOperation); |
| }; |
| |
| } // namespace file_system |
| } // namespace drive |
| |
| #endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CREATE_FILE_OPERATION_H_ |