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// Copyright (c) 2010 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_DATABASE_VFS_BACKEND_H_
#define WEBKIT_DATABASE_VFS_BACKEND_H_
#include "base/platform_file.h"
#include "base/process.h"
#include "base/string16.h"
class FilePath;
namespace webkit_database {
class VfsBackend {
public:
static void GetFileHandleForProcess(base::ProcessHandle process_handle,
const base::PlatformFile& file_handle,
base::PlatformFile* target_handle,
bool close_source_handle);
static void OpenFile(const FilePath& file_path,
int desired_flags,
base::PlatformFile* file_handle);
static void OpenTempFileInDirectory(const FilePath& dir_path,
int desired_flags,
base::PlatformFile* file_handle);
static int DeleteFile(const FilePath& file_path, bool sync_dir);
static uint32 GetFileAttributes(const FilePath& file_path);
static int64 GetFileSize(const FilePath& file_path);
// Used to make decisions in the DatabaseDispatcherHost.
static bool FileTypeIsMainDB(int desired_flags);
static bool FileTypeIsJournal(int desired_flags);
static bool OpenTypeIsReadWrite(int desired_flags);
private:
static bool OpenFileFlagsAreConsistent(int desired_flags);
};
} // namespace webkit_database
#endif // WEBKIT_DATABASE_VFS_BACKEND_H_