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// Copyright (c) 2012 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 WEBKIT_FILEAPI_SYNCABLE_SYNCABLE_FILE_SYSTEM_OPERATION_H_
#define WEBKIT_FILEAPI_SYNCABLE_SYNCABLE_FILE_SYSTEM_OPERATION_H_
#include <vector>
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "webkit/fileapi/file_system_operation.h"
#include "webkit/storage/webkit_storage_export.h"
namespace fileapi {
class FileSystemContext;
class SyncableFileOperationRunner;
// A wrapper class of LocalFileSystemOperation for syncable file system.
class WEBKIT_STORAGE_EXPORT SyncableFileSystemOperation
: public NON_EXPORTED_BASE(FileSystemOperation),
public base::NonThreadSafe {
public:
virtual ~SyncableFileSystemOperation();
// FileSystemOperation overrides.
virtual void CreateFile(const FileSystemURL& url,
bool exclusive,
const StatusCallback& callback) OVERRIDE;
virtual void CreateDirectory(const FileSystemURL& url,
bool exclusive,
bool recursive,
const StatusCallback& callback) OVERRIDE;
virtual void Copy(const FileSystemURL& src_url,
const FileSystemURL& dest_url,
const StatusCallback& callback) OVERRIDE;
virtual void Move(const FileSystemURL& src_url,
const FileSystemURL& dest_url,
const StatusCallback& callback) OVERRIDE;
virtual void DirectoryExists(const FileSystemURL& url,
const StatusCallback& callback) OVERRIDE;
virtual void FileExists(const FileSystemURL& url,
const StatusCallback& callback) OVERRIDE;
virtual void GetMetadata(const FileSystemURL& url,
const GetMetadataCallback& callback) OVERRIDE;
virtual void ReadDirectory(const FileSystemURL& url,
const ReadDirectoryCallback& callback) OVERRIDE;
virtual void Remove(const FileSystemURL& url, bool recursive,
const StatusCallback& callback) OVERRIDE;
virtual void Write(const net::URLRequestContext* url_request_context,
const FileSystemURL& url,
const GURL& blob_url,
int64 offset,
const WriteCallback& callback) OVERRIDE;
virtual void Truncate(const FileSystemURL& url, int64 length,
const StatusCallback& callback) OVERRIDE;
virtual void TouchFile(const FileSystemURL& url,
const base::Time& last_access_time,
const base::Time& last_modified_time,
const StatusCallback& callback) OVERRIDE;
virtual void OpenFile(const FileSystemURL& url,
int file_flags,
base::ProcessHandle peer_handle,
const OpenFileCallback& callback) OVERRIDE;
virtual void NotifyCloseFile(const FileSystemURL& url) OVERRIDE;
virtual void Cancel(const StatusCallback& cancel_callback) OVERRIDE;
virtual LocalFileSystemOperation* AsLocalFileSystemOperation() OVERRIDE;
virtual void CreateSnapshotFile(
const FileSystemURL& path,
const SnapshotFileCallback& callback) OVERRIDE;
private:
typedef SyncableFileSystemOperation self;
class QueueableTask;
// Only MountPointProviders can create a new operation directly.
friend class SandboxMountPointProvider;
SyncableFileSystemOperation(FileSystemContext* file_system_context,
FileSystemOperation* file_system_operation);
void DidFinish(base::PlatformFileError status);
void DidWrite(const WriteCallback& callback,
base::PlatformFileError result,
int64 bytes,
bool complete);
void OnCancelled();
void AbortOperation(const StatusCallback& callback,
base::PlatformFileError error);
// Just destruct this; used when we 9simply delegate the operation
// to the owning file_system_operation_.
// (See the comment at AsLocalFileSystemOperation())
void Destruct();
base::WeakPtr<SyncableFileOperationRunner> operation_runner_;
LocalFileSystemOperation* file_system_operation_;
std::vector<FileSystemURL> target_paths_;
StatusCallback completion_callback_;
bool is_directory_operation_enabled_;
DISALLOW_COPY_AND_ASSIGN(SyncableFileSystemOperation);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_SYNCABLE_SYNCABLE_FILE_SYSTEM_OPERATION_H_
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