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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_FILE_SYSTEM_FILE_UTIL_PROXY_H_
#define WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_
#include "base/callback.h"
#include "base/file_path.h"
#include "base/files/file_util_proxy.h"
#include "base/platform_file.h"
#include "webkit/fileapi/file_system_file_util.h"
#include "webkit/fileapi/file_system_operation.h"
namespace fileapi {
class FileSystemFileUtil;
class FileSystemOperationContext;
class FileSystemURL;
// This class provides asynchronous access to FileSystemFileUtil methods for
// FileSystem API operations. This also implements cross-FileUtil copy/move
// operations on top of FileSystemFileUtil methods.
class FileSystemFileUtilProxy {
public:
// Some of the proxy routines are just wrapping around the FileUtilProxy's
// relay methods, so we use the same types as FileUtilProxy for them.
typedef base::FileUtilProxy::Entry Entry;
typedef base::FileUtilProxy::CreateOrOpenCallback CreateOrOpenCallback;
typedef base::Callback<void(base::PlatformFileError status)> StatusCallback;
typedef base::Callback<void(base::PlatformFileError status,
bool created)> EnsureFileExistsCallback;
typedef FileSystemOperation::GetMetadataCallback GetFileInfoCallback;
typedef FileSystemOperation::ReadDirectoryCallback ReadDirectoryCallback;
typedef base::Callback<
void(base::PlatformFileError result,
const base::PlatformFileInfo& file_info,
const base::FilePath& platform_path,
FileSystemFileUtil::SnapshotFilePolicy snapshot_policy)>
SnapshotFileCallback;
// Deletes a file on the given context's task_runner.
static bool DeleteFile(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
const StatusCallback& callback);
// Deletes a directory on the given context's task_runner.
static bool DeleteDirectory(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
const StatusCallback& callback);
// Creates or opens a file with the given flags by calling |file_util|'s
// CreateOrOpen method on the given context's task_runner.
static bool CreateOrOpen(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
int file_flags,
const CreateOrOpenCallback& callback);
// Copies a local file or a directory from |src_url| to |dest_url|.
static bool CopyFileLocal(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& src_url,
const FileSystemURL& dest_url,
const StatusCallback& callback);
// Moves a local file or a directory from |src_url| to |dest_url|.
static bool MoveFileLocal(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& src_url,
const FileSystemURL& dest_url,
const StatusCallback& callback);
// Copies a file from local disk to the given filesystem destination.
// Primarily used for the Syncable filesystem type (e.g. Drive).
static bool CopyInForeignFile(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const base::FilePath& src_local_disk_file_path,
const FileSystemURL& dest_url,
const StatusCallback& callback);
// Ensures that the given |url| exist by calling |file_util|'s
// EnsureFileExists method on the given context's task_runner.
static bool EnsureFileExists(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
const EnsureFileExistsCallback& callback);
// Creates directory at a given url by calling |file_util|'s
// CreateDirectory method on the given context's task_runner.
static bool CreateDirectory(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
bool exclusive,
bool recursive,
const StatusCallback& callback);
// Retrieves the information about a file by calling |file_util|'s
// GetFileInfo method on the given context's task_runner.
static bool GetFileInfo(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
const GetFileInfoCallback& callback);
// Creates a snapshot file by calling |file_util|'s CreateSnapshotFile
// method on the given context's task_runner.
static bool CreateSnapshotFile(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
const SnapshotFileCallback& callback);
// Reads the filenames in |url| by calling |file_util|'s
// ReadDirectory method on the given context's task_runner.
// TODO(kinuko): this should support returning entries in multiple chunks.
// (http://crbug.com/145908)
static bool ReadDirectory(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
const ReadDirectoryCallback& callback);
// Touches a file by calling |file_util|'s Touch method
// on the given context's task_runner.
static bool Touch(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
const base::Time& last_access_time,
const base::Time& last_modified_time,
const StatusCallback& callback);
// Truncates a file to the given length by calling |file_util|'s
// Truncate method on the given context's task_runner.
static bool Truncate(
FileSystemOperationContext* context,
FileSystemFileUtil* file_util,
const FileSystemURL& url,
int64 length,
const StatusCallback& callback);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(FileSystemFileUtilProxy);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_
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