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/** @file
This file explorer protocol defines defines a set of interfaces for
how to do file explorer.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __FILE_EXPLORER_H__
#define __FILE_EXPLORER_H__
#define EFI_FILE_EXPLORER_PROTOCOL_GUID \
{ 0x2C03C536, 0x4594, 0x4515, { 0x9E, 0x7A, 0xD3, 0xD2, 0x04, 0xFE, 0x13, 0x63 } }
//
// Forward reference for pure ANSI compatability
//
typedef struct _EFI_FILE_EXPLORER_PROTOCOL EFI_FILE_EXPLORER_PROTOCOL;
/**
Prototype for the next process after user chosed one file.
@param[in] FilePath The device path of the find file.
@retval TRUE Need exit file explorer after do the extra task.
@retval FALSE Not need to exit file explorer after do the extra task.
**/
typedef
BOOLEAN
(EFIAPI *CHOOSE_HANDLER)(
IN EFI_DEVICE_PATH_PROTOCOL *FilePath
);
/**
Choose a file in the specified directory.
If user input NULL for the RootDirectory, will choose file in the system.
If user input *File != NULL, function will return the allocate device path
info for the choosed file, caller has to free the memory after use it.
@param RootDirectory Pointer to the root directory.
@param FileType The file type need to choose.
@param ChooseHandler Function pointer to the extra task need to do
after choose one file.
@param File Return the device path for the last time chosed file.
@retval EFI_SUCESS Choose the file success.
@retval Other errors Choose the file failed.
**/
typedef
EFI_STATUS
(EFIAPI *CHOOSE_FILE) (
IN EFI_DEVICE_PATH_PROTOCOL *RootDirectory,
IN CHAR16 *FileType, OPTIONAL
IN CHOOSE_HANDLER ChooseHandler, OPTIONAL
OUT EFI_DEVICE_PATH_PROTOCOL **File OPTIONAL
);
struct _EFI_FILE_EXPLORER_PROTOCOL {
CHOOSE_FILE ChooseFile;
};
extern EFI_GUID gEfiFileExplorerProtocolGuid;
#endif
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