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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_MEDIA_NATIVE_MEDIA_FILE_UTIL_H_
#define WEBKIT_FILEAPI_MEDIA_NATIVE_MEDIA_FILE_UTIL_H_
#include "base/memory/scoped_ptr.h"
#include "webkit/fileapi/isolated_file_util.h"
#include "webkit/storage/webkit_storage_export.h"
namespace fileapi {
// This class handles native file system operations with media type filtering
// which is passed to each method via FileSystemOperationContext as
// MediaPathFilter.
class WEBKIT_STORAGE_EXPORT_PRIVATE NativeMediaFileUtil
: public IsolatedFileUtil {
public:
NativeMediaFileUtil();
virtual base::PlatformFileError CreateOrOpen(
FileSystemOperationContext* context,
const FileSystemURL& url,
int file_flags,
base::PlatformFile* file_handle,
bool* created) OVERRIDE;
virtual base::PlatformFileError EnsureFileExists(
FileSystemOperationContext* context,
const FileSystemURL& url, bool* created) OVERRIDE;
virtual scoped_ptr<AbstractFileEnumerator> CreateFileEnumerator(
FileSystemOperationContext* context,
const FileSystemURL& root_url,
bool recursive) OVERRIDE;
virtual base::PlatformFileError Touch(
FileSystemOperationContext* context,
const FileSystemURL& url,
const base::Time& last_access_time,
const base::Time& last_modified_time) OVERRIDE;
virtual base::PlatformFileError Truncate(
FileSystemOperationContext* context,
const FileSystemURL& url,
int64 length) OVERRIDE;
virtual base::PlatformFileError CopyOrMoveFile(
FileSystemOperationContext* context,
const FileSystemURL& src_url,
const FileSystemURL& dest_url,
bool copy) OVERRIDE;
virtual base::PlatformFileError CopyInForeignFile(
FileSystemOperationContext* context,
const FilePath& src_file_path,
const FileSystemURL& dest_url) OVERRIDE;
virtual base::PlatformFileError DeleteFile(
FileSystemOperationContext* context,
const FileSystemURL& url) OVERRIDE;
virtual base::PlatformFileError GetFileInfo(
FileSystemOperationContext* context,
const FileSystemURL& url,
base::PlatformFileInfo* file_info,
FilePath* platform_path) OVERRIDE;
private:
// Like GetLocalFilePath(), but always take media_path_filter() into
// consideration. If the media_path_filter() check fails, return
// PLATFORM_FILE_ERROR_SECURITY. |local_file_path| does not have to exist.
base::PlatformFileError GetFilteredLocalFilePath(
FileSystemOperationContext* context,
const FileSystemURL& file_system_url,
FilePath* local_file_path);
// Like GetLocalFilePath(), but if the file does not exist, then return
// |failure_error|.
// If |local_file_path| is a file, then take media_path_filter() into
// consideration.
// If the media_path_filter() check fails, return |failure_error|.
// If |local_file_path| is a directory, return PLATFORM_FILE_OK.
base::PlatformFileError GetFilteredLocalFilePathForExistingFileOrDirectory(
FileSystemOperationContext* context,
const FileSystemURL& file_system_url,
base::PlatformFileError failure_error,
FilePath* local_file_path);
DISALLOW_COPY_AND_ASSIGN(NativeMediaFileUtil);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_MEDIA_NATIVE_MEDIA_FILE_UTIL_H_
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