MdeModulePkg/Library/FileExplorerLib/FileExplorer.h - third_party/edk2 - Git at Google

 /** @file
    File explorer lib.

 Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
 http://opensource.org/licenses/bsd-license.php

 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 **/

 #ifndef _FILE_EXPLORER_H_
 #define _FILE_EXPLORER_H_

 #include <PiDxe.h>
 #include <Guid/FileSystemVolumeLabelInfo.h>
 #include <Guid/FileInfo.h>
 #include <Guid/MdeModuleHii.h>

 #include <Protocol/HiiConfigAccess.h>
 #include <Protocol/DevicePath.h>
 #include <Protocol/SimpleFileSystem.h>
 #include <Protocol/DevicePathToText.h>
 #include <Protocol/FormBrowser2.h>

 #include <Library/DebugLib.h>
 #include <Library/BaseMemoryLib.h>
 #include <Library/UefiBootServicesTableLib.h>
 #include <Library/MemoryAllocationLib.h>
 #include <Library/BaseLib.h>
 #include <Library/UefiLib.h>
 #include <Library/DevicePathLib.h>
 #include <Library/FileExplorerLib.h>
 #include <Library/HiiLib.h>
 #include <Library/PrintLib.h>

 #include "FormGuid.h"

 #define FILE_EXPLORER_CALLBACK_DATA_SIGNATURE     SIGNATURE_32 ('f', 'e', 'c', 'k')


 #pragma pack(1)

 ///
 /// HII specific Vendor Device Path definition.
 ///
 typedef struct {
   VENDOR_DEVICE_PATH             VendorDevicePath;
   EFI_DEVICE_PATH_PROTOCOL       End;
 } HII_VENDOR_DEVICE_PATH;

 typedef struct {
   EFI_HANDLE                        DeviceHandle;
   EFI_DEVICE_PATH_PROTOCOL          *DevicePath;
   EFI_FILE_HANDLE                   FileHandle;
   UINT16                            *FileName;

   BOOLEAN                           IsRoot;
   BOOLEAN                           IsDir;
 } FILE_CONTEXT;

 typedef struct {
   UINTN           Signature;
   LIST_ENTRY      Link;
   UINT16          *DisplayString;
   UINT16          *HelpString;
   EFI_STRING_ID   DisplayStringToken;
   EFI_STRING_ID   HelpStringToken;
   VOID            *VariableContext;
 } MENU_ENTRY;

 typedef struct {
   UINTN           Signature;
   LIST_ENTRY      Head;
   UINTN           MenuNumber;
   BOOLEAN         Used;
 } MENU_OPTION;

 typedef struct {
   //
   // Shared callback data.
   //
   UINTN                          Signature;

   //
   // File explorer formset callback data.
   //
   EFI_HII_HANDLE                 FeHiiHandle;
   EFI_HANDLE                     FeDriverHandle;
   EFI_HII_CONFIG_ACCESS_PROTOCOL FeConfigAccess;
   EFI_FORM_BROWSER2_PROTOCOL     *FormBrowser2;
   MENU_OPTION                    *FsOptionMenu;
   CHAR16                         *FileType;
   CHOOSE_HANDLER                 ChooseHandler;
   EFI_DEVICE_PATH_PROTOCOL       *RetDevicePath;

 } FILE_EXPLORER_CALLBACK_DATA;

 #define FILE_EXPLORER_PRIVATE_FROM_THIS(a)  CR (a, FILE_EXPLORER_CALLBACK_DATA, FeConfigAccess, FILE_EXPLORER_CALLBACK_DATA_SIGNATURE)

 #pragma pack()

 extern UINT8    FileExplorerVfrBin[];

 #define MENU_OPTION_SIGNATURE      SIGNATURE_32 ('m', 'e', 'n', 'u')
 #define MENU_ENTRY_SIGNATURE       SIGNATURE_32 ('e', 'n', 't', 'r')

 ///
 /// Define the maximum characters that will be accepted.
 ///
 #define MAX_CHAR                480
 #define FILE_OPTION_OFFSET      0x8000
 #define FILE_OPTION_MASK        0x7FFF
 #define QUESTION_ID_UPDATE_STEP 200
 #define MAX_FILE_NAME_LEN       20
 #define MAX_FOLDER_NAME_LEN     20
 #define NEW_FILE_QUESTION_ID_BASE   0x5000;
 #define NEW_FOLDER_QUESTION_ID_BASE 0x6000;

 /**
   This function processes the results of changes in configuration.
   When user select a interactive opcode, this callback will be triggered.
   Based on the Question(QuestionId) that triggers the callback, the corresponding
   actions is performed. It handles:

   1) the addition of boot option.
   2) the addition of driver option.
   3) exit from file browser
   4) update of file content if a dir is selected.
   5) boot the file if a file is selected in "boot from file"


   @param This            Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
   @param Action          Specifies the type of action taken by the browser.
   @param QuestionId      A unique value which is sent to the original exporting driver
                          so that it can identify the type of data to expect.
   @param Type            The type of value for the question.
   @param Value           A pointer to the data being sent to the original exporting driver.
   @param ActionRequest   On return, points to the action requested by the callback function.

   @retval  EFI_SUCCESS           The callback successfully handled the action.
   @retval  EFI_OUT_OF_RESOURCES  Not enough storage is available to hold the variable and its data.
   @retval  EFI_DEVICE_ERROR      The variable could not be saved.
   @retval  EFI_UNSUPPORTED       The specified Action is not supported by the callback.

 **/
 EFI_STATUS
 EFIAPI
 LibCallback (
   IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,
   IN  EFI_BROWSER_ACTION                     Action,
   IN  EFI_QUESTION_ID                        QuestionId,
   IN  UINT8                                  Type,
   IN  EFI_IFR_TYPE_VALUE                     *Value,
   OUT EFI_BROWSER_ACTION_REQUEST             *ActionRequest
   );


 /**
   This function allows a caller to extract the current configuration for one
   or more named elements from the target driver.


   @param This            - Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
   @param Request         - A null-terminated Unicode string in <ConfigRequest> format.
   @param Progress        - On return, points to a character in the Request string.
                          Points to the string's null terminator if request was successful.
                          Points to the most recent '&' before the first failing name/value
                          pair (or the beginning of the string if the failure is in the
                          first name/value pair) if the request was not successful.
   @param Results         - A null-terminated Unicode string in <ConfigAltResp> format which
                          has all values filled in for the names in the Request string.
                          String to be allocated by the called function.

   @retval  EFI_SUCCESS            The Results is filled with the requested values.
   @retval  EFI_OUT_OF_RESOURCES   Not enough memory to store the results.
   @retval  EFI_INVALID_PARAMETER  Request is NULL, illegal syntax, or unknown name.
   @retval  EFI_NOT_FOUND          Routing data doesn't match any storage in this driver.

 **/
 EFI_STATUS
 EFIAPI
 LibExtractConfig (
   IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,
   IN  CONST EFI_STRING                       Request,
   OUT EFI_STRING                             *Progress,
   OUT EFI_STRING                             *Results
   );

 /**
   This function processes the results of changes in configuration.


   @param This            - Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
   @param Configuration   - A null-terminated Unicode string in <ConfigResp> format.
   @param Progress        - A pointer to a string filled in with the offset of the most
                          recent '&' before the first failing name/value pair (or the
                          beginning of the string if the failure is in the first
                          name/value pair) or the terminating NULL if all was successful.

   @retval  EFI_SUCCESS            The Results is processed successfully.
   @retval  EFI_INVALID_PARAMETER  Configuration is NULL.
   @retval  EFI_NOT_FOUND          Routing data doesn't match any storage in this driver.

 **/
 EFI_STATUS
 EFIAPI
 LibRouteConfig (
   IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,
   IN  CONST EFI_STRING                       Configuration,
   OUT EFI_STRING                             *Progress
   );

 /**
   Update the file explower page with the refershed file system.

   @param KeyValue        Key value to identify the type of data to expect.

   @retval  EFI_SUCCESS   Update the file explorer form success.
   @retval  other errors  Error occur when parse one directory.

 **/
 EFI_STATUS
 LibUpdateFileExplorer (
   IN UINT16                       KeyValue
   );


 /**
   Get the device path info saved in the menu structure.

   @param KeyValue        Key value to identify the type of data to expect.

 **/
 VOID
 LibGetDevicePath (
   IN UINT16                       KeyValue
   );

 #endif
	/** @file
	File explorer lib.

	Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
	This program and the accompanying materials
	are licensed and made available under the terms and conditions of the BSD License
	which accompanies this distribution. The full text of the license may be found at
	http://opensource.org/licenses/bsd-license.php

	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
	**/

	#ifndef _FILE_EXPLORER_H_
	#define _FILE_EXPLORER_H_

	#include <PiDxe.h>
	#include <Guid/FileSystemVolumeLabelInfo.h>
	#include <Guid/FileInfo.h>
	#include <Guid/MdeModuleHii.h>

	#include <Protocol/HiiConfigAccess.h>
	#include <Protocol/DevicePath.h>
	#include <Protocol/SimpleFileSystem.h>
	#include <Protocol/DevicePathToText.h>
	#include <Protocol/FormBrowser2.h>

	#include <Library/DebugLib.h>
	#include <Library/BaseMemoryLib.h>
	#include <Library/UefiBootServicesTableLib.h>
	#include <Library/MemoryAllocationLib.h>
	#include <Library/BaseLib.h>
	#include <Library/UefiLib.h>
	#include <Library/DevicePathLib.h>
	#include <Library/FileExplorerLib.h>
	#include <Library/HiiLib.h>
	#include <Library/PrintLib.h>

	#include "FormGuid.h"

	#define FILE_EXPLORER_CALLBACK_DATA_SIGNATURE SIGNATURE_32 ('f', 'e', 'c', 'k')


	#pragma pack(1)

	///
	/// HII specific Vendor Device Path definition.
	///
	typedef struct {
	VENDOR_DEVICE_PATH VendorDevicePath;
	EFI_DEVICE_PATH_PROTOCOL End;
	} HII_VENDOR_DEVICE_PATH;

	typedef struct {
	EFI_HANDLE DeviceHandle;
	EFI_DEVICE_PATH_PROTOCOL *DevicePath;
	EFI_FILE_HANDLE FileHandle;
	UINT16 *FileName;

	BOOLEAN IsRoot;
	BOOLEAN IsDir;
	} FILE_CONTEXT;

	typedef struct {
	UINTN Signature;
	LIST_ENTRY Link;
	UINT16 *DisplayString;
	UINT16 *HelpString;
	EFI_STRING_ID DisplayStringToken;
	EFI_STRING_ID HelpStringToken;
	VOID *VariableContext;
	} MENU_ENTRY;

	typedef struct {
	UINTN Signature;
	LIST_ENTRY Head;
	UINTN MenuNumber;
	BOOLEAN Used;
	} MENU_OPTION;

	typedef struct {
	//
	// Shared callback data.
	//
	UINTN Signature;

	//
	// File explorer formset callback data.
	//
	EFI_HII_HANDLE FeHiiHandle;
	EFI_HANDLE FeDriverHandle;
	EFI_HII_CONFIG_ACCESS_PROTOCOL FeConfigAccess;
	EFI_FORM_BROWSER2_PROTOCOL *FormBrowser2;
	MENU_OPTION *FsOptionMenu;
	CHAR16 *FileType;
	CHOOSE_HANDLER ChooseHandler;
	EFI_DEVICE_PATH_PROTOCOL *RetDevicePath;

	} FILE_EXPLORER_CALLBACK_DATA;

	#define FILE_EXPLORER_PRIVATE_FROM_THIS(a) CR (a, FILE_EXPLORER_CALLBACK_DATA, FeConfigAccess, FILE_EXPLORER_CALLBACK_DATA_SIGNATURE)

	#pragma pack()

	extern UINT8 FileExplorerVfrBin[];

	#define MENU_OPTION_SIGNATURE SIGNATURE_32 ('m', 'e', 'n', 'u')
	#define MENU_ENTRY_SIGNATURE SIGNATURE_32 ('e', 'n', 't', 'r')

	///
	/// Define the maximum characters that will be accepted.
	///
	#define MAX_CHAR 480
	#define FILE_OPTION_OFFSET 0x8000
	#define FILE_OPTION_MASK 0x7FFF
	#define QUESTION_ID_UPDATE_STEP 200
	#define MAX_FILE_NAME_LEN 20
	#define MAX_FOLDER_NAME_LEN 20
	#define NEW_FILE_QUESTION_ID_BASE 0x5000;
	#define NEW_FOLDER_QUESTION_ID_BASE 0x6000;

	/**
	This function processes the results of changes in configuration.
	When user select a interactive opcode, this callback will be triggered.
	Based on the Question(QuestionId) that triggers the callback, the corresponding
	actions is performed. It handles:

	1) the addition of boot option.
	2) the addition of driver option.
	3) exit from file browser
	4) update of file content if a dir is selected.
	5) boot the file if a file is selected in "boot from file"


	@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
	@param Action Specifies the type of action taken by the browser.
	@param QuestionId A unique value which is sent to the original exporting driver
	so that it can identify the type of data to expect.
	@param Type The type of value for the question.
	@param Value A pointer to the data being sent to the original exporting driver.
	@param ActionRequest On return, points to the action requested by the callback function.

	@retval EFI_SUCCESS The callback successfully handled the action.
	@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
	@retval EFI_DEVICE_ERROR The variable could not be saved.
	@retval EFI_UNSUPPORTED The specified Action is not supported by the callback.

	**/
	EFI_STATUS
	EFIAPI
	LibCallback (
	IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
	IN EFI_BROWSER_ACTION Action,
	IN EFI_QUESTION_ID QuestionId,
	IN UINT8 Type,
	IN EFI_IFR_TYPE_VALUE *Value,
	OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
	);


	/**
	This function allows a caller to extract the current configuration for one
	or more named elements from the target driver.


	@param This - Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
	@param Request - A null-terminated Unicode string in <ConfigRequest> format.
	@param Progress - On return, points to a character in the Request string.
	Points to the string's null terminator if request was successful.
	Points to the most recent '&' before the first failing name/value
	pair (or the beginning of the string if the failure is in the
	first name/value pair) if the request was not successful.
	@param Results - A null-terminated Unicode string in <ConfigAltResp> format which
	has all values filled in for the names in the Request string.
	String to be allocated by the called function.

	@retval EFI_SUCCESS The Results is filled with the requested values.
	@retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
	@retval EFI_INVALID_PARAMETER Request is NULL, illegal syntax, or unknown name.
	@retval EFI_NOT_FOUND Routing data doesn't match any storage in this driver.

	**/
	EFI_STATUS
	EFIAPI
	LibExtractConfig (
	IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
	IN CONST EFI_STRING Request,
	OUT EFI_STRING *Progress,
	OUT EFI_STRING *Results
	);

	/**
	This function processes the results of changes in configuration.


	@param This - Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
	@param Configuration - A null-terminated Unicode string in <ConfigResp> format.
	@param Progress - A pointer to a string filled in with the offset of the most
	recent '&' before the first failing name/value pair (or the
	beginning of the string if the failure is in the first
	name/value pair) or the terminating NULL if all was successful.

	@retval EFI_SUCCESS The Results is processed successfully.
	@retval EFI_INVALID_PARAMETER Configuration is NULL.
	@retval EFI_NOT_FOUND Routing data doesn't match any storage in this driver.

	**/
	EFI_STATUS
	EFIAPI
	LibRouteConfig (
	IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
	IN CONST EFI_STRING Configuration,
	OUT EFI_STRING *Progress
	);

	/**
	Update the file explower page with the refershed file system.

	@param KeyValue Key value to identify the type of data to expect.

	@retval EFI_SUCCESS Update the file explorer form success.
	@retval other errors Error occur when parse one directory.

	**/
	EFI_STATUS
	LibUpdateFileExplorer (
	IN UINT16 KeyValue
	);


	/**
	Get the device path info saved in the menu structure.

	@param KeyValue Key value to identify the type of data to expect.

	**/
	VOID
	LibGetDevicePath (
	IN UINT16 KeyValue
	);

	#endif