[mirror_edk2.git] / MdeModulePkg / Universal / BdsDxe / BootMaint / FileExplorer.c

/** @file\r
  File explorer related functions.\r
\r
Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include "BootMaint.h"\r
\r
/**\r
  Update the File Explore page.\r
\r
\r
  @param CallbackData    The BMM context data.\r
  @param MenuOption      Pointer to menu options to display.\r
\r
  @return VOID\r
\r
**/\r
VOID\r
UpdateFileExplorePage (\r
  IN BMM_CALLBACK_DATA            *CallbackData,\r
  BM_MENU_OPTION                  *MenuOption\r
  )\r
{\r
  UINTN           Index;\r
  BM_MENU_ENTRY   *NewMenuEntry;\r
  BM_FILE_CONTEXT *NewFileContext;\r
  EFI_FORM_ID     FormId;\r
\r
  NewMenuEntry    = NULL;\r
  NewFileContext  = NULL;\r
  FormId          = 0;\r
\r
  RefreshUpdateData ();\r
\r
  for (Index = 0; Index < MenuOption->MenuNumber; Index++) {\r
    NewMenuEntry    = BOpt_GetMenuEntry (MenuOption, Index);\r
    NewFileContext  = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;\r
\r
    if (NewFileContext->IsBootLegacy) {\r
      continue;\r
    }\r
\r
    if ((NewFileContext->IsDir) || (BOOT_FROM_FILE_STATE == CallbackData->FeCurrentState)) {\r
      //\r
      // Create Text opcode for directory, also create Text opcode for file in BOOT_FROM_FILE_STATE.\r
      //\r
      CreateActionOpCode (\r
        (UINT16) (FILE_OPTION_OFFSET + Index),\r
        NewMenuEntry->DisplayStringToken,\r
        STRING_TOKEN (STR_NULL_STRING),\r
        EFI_IFR_FLAG_CALLBACK,\r
        0,\r
        &gUpdateData\r
        );\r
    } else {\r
      //\r
      // Create Goto opcode for file in ADD_BOOT_OPTION_STATE or ADD_DRIVER_OPTION_STATE.\r
      //\r
      if (ADD_BOOT_OPTION_STATE == CallbackData->FeCurrentState) {\r
        FormId = FORM_BOOT_ADD_DESCRIPTION_ID;\r
      } else if (ADD_DRIVER_OPTION_STATE == CallbackData->FeCurrentState) {\r
        FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;\r
      }\r
\r
      CreateGotoOpCode (\r
        FormId,\r
        NewMenuEntry->DisplayStringToken,\r
        STRING_TOKEN (STR_NULL_STRING),\r
        EFI_IFR_FLAG_CALLBACK,\r
        (UINT16) (FILE_OPTION_OFFSET + Index),\r
        &gUpdateData\r
        );\r
    }\r
  }\r
\r
  IfrLibUpdateForm (\r
    CallbackData->FeHiiHandle,\r
    &mFileExplorerGuid,\r
    FORM_FILE_EXPLORER_ID,\r
    FORM_FILE_EXPLORER_ID,\r
    FALSE,\r
    &gUpdateData\r
    );\r
}\r
\r
/**\r
  Update the file explower page with the refershed file system.\r
\r
\r
  @param CallbackData    BMM context data\r
  @param KeyValue        Key value to identify the type of data to expect.\r
\r
  @retval  TRUE           Inform the caller to create a callback packet to exit file explorer.\r
  @retval  FALSE          Indicate that there is no need to exit file explorer.\r
\r
**/\r
BOOLEAN\r
UpdateFileExplorer (\r
  IN BMM_CALLBACK_DATA            *CallbackData,\r
  IN UINT16                       KeyValue\r
  )\r
{\r
  UINT16          FileOptionMask;\r
  BM_MENU_ENTRY   *NewMenuEntry;\r
  BM_FILE_CONTEXT *NewFileContext;\r
  EFI_FORM_ID     FormId;\r
  BOOLEAN         ExitFileExplorer;\r
  EFI_STATUS      Status;\r
\r
  NewMenuEntry      = NULL;\r
  NewFileContext    = NULL;\r
  ExitFileExplorer  = FALSE;\r
\r
  FileOptionMask    = (UINT16) (FILE_OPTION_MASK & KeyValue);\r
\r
  if (UNKNOWN_CONTEXT == CallbackData->FeDisplayContext) {\r
    //\r
    // First in, display file system.\r
    //\r
    BOpt_FreeMenu (&FsOptionMenu);\r
    BOpt_FindFileSystem (CallbackData);\r
    CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &FsOptionMenu);\r
\r
    UpdateFileExplorePage (CallbackData, &FsOptionMenu);\r
\r
    CallbackData->FeDisplayContext = FILE_SYSTEM;\r
  } else {\r
    if (FILE_SYSTEM == CallbackData->FeDisplayContext) {\r
      NewMenuEntry = BOpt_GetMenuEntry (&FsOptionMenu, FileOptionMask);\r
    } else if (DIRECTORY == CallbackData->FeDisplayContext) {\r
      NewMenuEntry = BOpt_GetMenuEntry (&DirectoryMenu, FileOptionMask);\r
    }\r
\r
    CallbackData->FeDisplayContext  = DIRECTORY;\r
\r
    NewFileContext                  = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;\r
\r
    if (NewFileContext->IsDir ) {\r
      RemoveEntryList (&NewMenuEntry->Link);\r
      BOpt_FreeMenu (&DirectoryMenu);\r
      Status = BOpt_FindFiles (CallbackData, NewMenuEntry);\r
       if (EFI_ERROR (Status)) {\r
         ExitFileExplorer = TRUE;\r
         goto exit;\r
       }\r
      CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &DirectoryMenu);\r
      BOpt_DestroyMenuEntry (NewMenuEntry);\r
\r
      UpdateFileExplorePage (CallbackData, &DirectoryMenu);\r
\r
    } else {\r
      switch (CallbackData->FeCurrentState) {\r
      case BOOT_FROM_FILE_STATE:\r
        //\r
        // Here boot from file\r
        //\r
        BootThisFile (NewFileContext);\r
        ExitFileExplorer = TRUE;\r
        break;\r
\r
      case ADD_BOOT_OPTION_STATE:\r
      case ADD_DRIVER_OPTION_STATE:\r
        if (ADD_BOOT_OPTION_STATE == CallbackData->FeCurrentState) {\r
          FormId = FORM_BOOT_ADD_DESCRIPTION_ID;\r
        } else {\r
          FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;\r
        }\r
\r
        CallbackData->MenuEntry = NewMenuEntry;\r
        CallbackData->LoadContext->FilePathList = ((BM_FILE_CONTEXT *) (CallbackData->MenuEntry->VariableContext))->DevicePath;\r
\r
        //\r
        // Create Subtitle op-code for the display string of the option.\r
        //\r
        RefreshUpdateData ();\r
\r
        CreateSubTitleOpCode (\r
          NewMenuEntry->DisplayStringToken,\r
          0,\r
          0,\r
          0,\r
          &gUpdateData\r
          );\r
\r
        IfrLibUpdateForm (\r
          CallbackData->FeHiiHandle,\r
          &mFileExplorerGuid,\r
          FormId,\r
          FormId,\r
          FALSE,\r
          &gUpdateData\r
          );\r
        break;\r
\r
      default:\r
        break;\r
      }\r
    }\r
  }\r
  exit:\r
  return ExitFileExplorer;\r
}\r
\r
/**\r
  This function processes the results of changes in configuration.\r
  When user select a interactive opcode, this callback will be triggered.\r
  Based on the Question(QuestionId) that triggers the callback, the corresponding\r
  actions is performed. It handles:\r
\r
  1) the addition of boot option.\r
  2) the addition of driver option.\r
  3) exit from file browser\r
  4) update of file content if a dir is selected.\r
  5) boot the file if a file is selected in "boot from file"\r
\r
\r
  @param This            Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r
  @param Action          Specifies the type of action taken by the browser.\r
  @param QuestionId      A unique value which is sent to the original exporting driver\r
                         so that it can identify the type of data to expect.\r
  @param Type            The type of value for the question.\r
  @param Value           A pointer to the data being sent to the original exporting driver.\r
  @param ActionRequest   On return, points to the action requested by the callback function.\r
\r
  @retval  EFI_SUCCESS           The callback successfully handled the action.\r
  @retval  EFI_OUT_OF_RESOURCES  Not enough storage is available to hold the variable and its data.\r
  @retval  EFI_DEVICE_ERROR      The variable could not be saved.\r
  @retval  EFI_UNSUPPORTED       The specified Action is not supported by the callback.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
FileExplorerCallback (\r
  IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,\r
  IN  EFI_BROWSER_ACTION                     Action,\r
  IN  EFI_QUESTION_ID                        QuestionId,\r
  IN  UINT8                                  Type,\r
  IN  EFI_IFR_TYPE_VALUE                     *Value,\r
  OUT EFI_BROWSER_ACTION_REQUEST             *ActionRequest\r
  )\r
{\r
  BMM_CALLBACK_DATA     *Private;\r
  FILE_EXPLORER_NV_DATA *NvRamMap;\r
  EFI_STATUS            Status;\r
  UINTN                 BufferSize;\r
\r
  if ((Value == NULL) || (ActionRequest == NULL)) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  Status         = EFI_SUCCESS;\r
  Private        = FE_CALLBACK_DATA_FROM_THIS (This);\r
  *ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
\r
  //\r
  // Retrive uncommitted data from Form Browser\r
  //\r
  NvRamMap = &Private->FeFakeNvData;\r
  BufferSize = sizeof (FILE_EXPLORER_NV_DATA);\r
  Status = GetBrowserData (NULL, NULL, &BufferSize, (UINT8 *) NvRamMap);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  if (QuestionId == KEY_VALUE_SAVE_AND_EXIT_BOOT || QuestionId == KEY_VALUE_SAVE_AND_EXIT_DRIVER) {\r
    //\r
    // Apply changes and exit formset\r
    //\r
    if (ADD_BOOT_OPTION_STATE == Private->FeCurrentState) {\r
      Status = Var_UpdateBootOption (Private, NvRamMap);\r
      if (EFI_ERROR (Status)) {\r
        return Status;\r
      }\r
\r
      BOpt_GetBootOptions (Private);\r
      CreateMenuStringToken (Private, Private->FeHiiHandle, &BootOptionMenu);\r
    } else if (ADD_DRIVER_OPTION_STATE == Private->FeCurrentState) {\r
      Status = Var_UpdateDriverOption (\r
                Private,\r
                Private->FeHiiHandle,\r
                NvRamMap->DescriptionData,\r
                NvRamMap->OptionalData,\r
                NvRamMap->ForceReconnect\r
                );\r
      if (EFI_ERROR (Status)) {\r
        return Status;\r
      }\r
\r
      BOpt_GetDriverOptions (Private);\r
      CreateMenuStringToken (Private, Private->FeHiiHandle, &DriverOptionMenu);\r
    }\r
\r
    *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
  } else if (QuestionId == KEY_VALUE_NO_SAVE_AND_EXIT_BOOT || QuestionId == KEY_VALUE_NO_SAVE_AND_EXIT_DRIVER) {\r
    //\r
    // Discard changes and exit formset\r
    //\r
    NvRamMap->OptionalData[0]     = 0x0000;\r
    NvRamMap->DescriptionData[0]  = 0x0000;\r
    *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
  } else if (QuestionId < FILE_OPTION_OFFSET) {\r
    //\r
    // Exit File Explorer formset\r
    //\r
    *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
  } else {\r
    if (UpdateFileExplorer (Private, QuestionId)) {\r
      *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
    }\r
  }\r
\r
  return Status;\r
}\r
Commit	Line	Data
fd6a62f3	1	/** @file\r
fd6a62f3	2	File explorer related functions.\r
93e3992d	3	\r
fd6a62f3	4	Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r
93e3992d	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
fd6a62f3	13	**/\r
93e3992d	14	\r
	15	#include "BootMaint.h"\r
	16	\r
b30312ba	17	/**\r
	18	Update the File Explore page.\r
	19	\r
	20	\r
dce655e8	21	@param CallbackData The BMM context data.\r
b30312ba	22	@param MenuOption Pointer to menu options to display.\r
b30312ba	23	\r
dce655e8	24	@return VOID\r
b30312ba	25	\r
b30312ba	26	**/\r
93e3992d	27	VOID\r
	28	UpdateFileExplorePage (\r
	29	IN BMM_CALLBACK_DATA *CallbackData,\r
	30	BM_MENU_OPTION *MenuOption\r
	31	)\r
93e3992d	32	{\r
	33	UINTN Index;\r
	34	BM_MENU_ENTRY *NewMenuEntry;\r
	35	BM_FILE_CONTEXT *NewFileContext;\r
	36	EFI_FORM_ID FormId;\r
	37	\r
	38	NewMenuEntry = NULL;\r
	39	NewFileContext = NULL;\r
	40	FormId = 0;\r
	41	\r
	42	RefreshUpdateData ();\r
	43	\r
	44	for (Index = 0; Index < MenuOption->MenuNumber; Index++) {\r
	45	NewMenuEntry = BOpt_GetMenuEntry (MenuOption, Index);\r
	46	NewFileContext = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;\r
	47	\r
	48	if (NewFileContext->IsBootLegacy) {\r
	49	continue;\r
	50	}\r
	51	\r
	52	if ((NewFileContext->IsDir) \|\| (BOOT_FROM_FILE_STATE == CallbackData->FeCurrentState)) {\r
	53	//\r
	54	// Create Text opcode for directory, also create Text opcode for file in BOOT_FROM_FILE_STATE.\r
	55	//\r
	56	CreateActionOpCode (\r
	57	(UINT16) (FILE_OPTION_OFFSET + Index),\r
	58	NewMenuEntry->DisplayStringToken,\r
	59	STRING_TOKEN (STR_NULL_STRING),\r
	60	EFI_IFR_FLAG_CALLBACK,\r
	61	0,\r
	62	&gUpdateData\r
	63	);\r
	64	} else {\r
	65	//\r
	66	// Create Goto opcode for file in ADD_BOOT_OPTION_STATE or ADD_DRIVER_OPTION_STATE.\r
	67	//\r
	68	if (ADD_BOOT_OPTION_STATE == CallbackData->FeCurrentState) {\r
	69	FormId = FORM_BOOT_ADD_DESCRIPTION_ID;\r
	70	} else if (ADD_DRIVER_OPTION_STATE == CallbackData->FeCurrentState) {\r
	71	FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;\r
	72	}\r
	73	\r
	74	CreateGotoOpCode (\r
	75	FormId,\r
	76	NewMenuEntry->DisplayStringToken,\r
	77	STRING_TOKEN (STR_NULL_STRING),\r
	78	EFI_IFR_FLAG_CALLBACK,\r
	79	(UINT16) (FILE_OPTION_OFFSET + Index),\r
	80	&gUpdateData\r
	81	);\r
	82	}\r
	83	}\r
	84	\r
	85	IfrLibUpdateForm (\r
	86	CallbackData->FeHiiHandle,\r
	87	&mFileExplorerGuid,\r
	88	FORM_FILE_EXPLORER_ID,\r
	89	FORM_FILE_EXPLORER_ID,\r
	90	FALSE,\r
	91	&gUpdateData\r
	92	);\r
	93	}\r
	94	\r
b30312ba	95	/**\r
	96	Update the file explower page with the refershed file system.\r
	97	\r
	98	\r
	99	@param CallbackData BMM context data\r
	100	@param KeyValue Key value to identify the type of data to expect.\r
	101	\r
	102	@retval TRUE Inform the caller to create a callback packet to exit file explorer.\r
	103	@retval FALSE Indicate that there is no need to exit file explorer.\r
	104	\r
	105	**/\r
93e3992d	106	BOOLEAN\r
	107	UpdateFileExplorer (\r
	108	IN BMM_CALLBACK_DATA *CallbackData,\r
	109	IN UINT16 KeyValue\r
	110	)\r
93e3992d	111	{\r
	112	UINT16 FileOptionMask;\r
	113	BM_MENU_ENTRY *NewMenuEntry;\r
	114	BM_FILE_CONTEXT *NewFileContext;\r
	115	EFI_FORM_ID FormId;\r
	116	BOOLEAN ExitFileExplorer;\r
	117	EFI_STATUS Status;\r
	118	\r
	119	NewMenuEntry = NULL;\r
	120	NewFileContext = NULL;\r
	121	ExitFileExplorer = FALSE;\r
	122	\r
	123	FileOptionMask = (UINT16) (FILE_OPTION_MASK & KeyValue);\r
	124	\r
	125	if (UNKNOWN_CONTEXT == CallbackData->FeDisplayContext) {\r
	126	//\r
	127	// First in, display file system.\r
	128	//\r
	129	BOpt_FreeMenu (&FsOptionMenu);\r
	130	BOpt_FindFileSystem (CallbackData);\r
	131	CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &FsOptionMenu);\r
	132	\r
	133	UpdateFileExplorePage (CallbackData, &FsOptionMenu);\r
	134	\r
	135	CallbackData->FeDisplayContext = FILE_SYSTEM;\r
	136	} else {\r
	137	if (FILE_SYSTEM == CallbackData->FeDisplayContext) {\r
	138	NewMenuEntry = BOpt_GetMenuEntry (&FsOptionMenu, FileOptionMask);\r
	139	} else if (DIRECTORY == CallbackData->FeDisplayContext) {\r
	140	NewMenuEntry = BOpt_GetMenuEntry (&DirectoryMenu, FileOptionMask);\r
	141	}\r
	142	\r
	143	CallbackData->FeDisplayContext = DIRECTORY;\r
	144	\r
	145	NewFileContext = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;\r
	146	\r
	147	if (NewFileContext->IsDir ) {\r
	148	RemoveEntryList (&NewMenuEntry->Link);\r
	149	BOpt_FreeMenu (&DirectoryMenu);\r
	150	Status = BOpt_FindFiles (CallbackData, NewMenuEntry);\r
	151	if (EFI_ERROR (Status)) {\r
	152	ExitFileExplorer = TRUE;\r
	153	goto exit;\r
	154	}\r
	155	CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &DirectoryMenu);\r
	156	BOpt_DestroyMenuEntry (NewMenuEntry);\r
	157	\r
	158	UpdateFileExplorePage (CallbackData, &DirectoryMenu);\r
	159	\r
	160	} else {\r
	161	switch (CallbackData->FeCurrentState) {\r
	162	case BOOT_FROM_FILE_STATE:\r
	163	//\r
	164	// Here boot from file\r
	165	//\r
	166	BootThisFile (NewFileContext);\r
	167	ExitFileExplorer = TRUE;\r
	168	break;\r
	169	\r
	170	case ADD_BOOT_OPTION_STATE:\r
	171	case ADD_DRIVER_OPTION_STATE:\r
	172	if (ADD_BOOT_OPTION_STATE == CallbackData->FeCurrentState) {\r
	173	FormId = FORM_BOOT_ADD_DESCRIPTION_ID;\r
	174	} else {\r
175	FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;\r
176	}\r
177	\r
178	CallbackData->MenuEntry = NewMenuEntry;\r
179	CallbackData->LoadContext->FilePathList = ((BM_FILE_CONTEXT *) (CallbackData->MenuEntry->VariableContext))->DevicePath;\r
180	\r
181	//\r
182	// Create Subtitle op-code for the display string of the option.\r
183	//\r
184	RefreshUpdateData ();\r
185	\r
186	CreateSubTitleOpCode (\r
187	NewMenuEntry->DisplayStringToken,\r
188	0,\r
189	0,\r
190	0,\r
191	&gUpdateData\r
192	);\r
193	\r
194	IfrLibUpdateForm (\r
195	CallbackData->FeHiiHandle,\r
196	&mFileExplorerGuid,\r
197	FormId,\r
198	FormId,\r
199	FALSE,\r
200	&gUpdateData\r
201	);\r
202	break;\r
203	\r
204	default:\r
205	break;\r
206	}\r
207	}\r
208	}\r
209	exit:\r
210	return ExitFileExplorer;\r
211	}\r
212	\r
b30312ba	213	/**\r
b30312ba	214	This function processes the results of changes in configuration.\r
dce655e8	215	When user select a interactive opcode, this callback will be triggered.\r
	216	Based on the Question(QuestionId) that triggers the callback, the corresponding\r
	217	actions is performed. It handles:\r
	218	\r
	219	1) the addition of boot option.\r
	220	2) the addition of driver option.\r
	221	3) exit from file browser\r
	222	4) update of file content if a dir is selected.\r
	223	5) boot the file if a file is selected in "boot from file"\r
b30312ba	224	\r
	225	\r
	226	@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r
	227	@param Action Specifies the type of action taken by the browser.\r
	228	@param QuestionId A unique value which is sent to the original exporting driver\r
	229	so that it can identify the type of data to expect.\r
	230	@param Type The type of value for the question.\r
	231	@param Value A pointer to the data being sent to the original exporting driver.\r
	232	@param ActionRequest On return, points to the action requested by the callback function.\r
	233	\r
	234	@retval EFI_SUCCESS The callback successfully handled the action.\r
	235	@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.\r
	236	@retval EFI_DEVICE_ERROR The variable could not be saved.\r
	237	@retval EFI_UNSUPPORTED The specified Action is not supported by the callback.\r
	238	\r
	239	**/\r
93e3992d	240	EFI_STATUS\r
	241	EFIAPI\r
	242	FileExplorerCallback (\r
	243	IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r
	244	IN EFI_BROWSER_ACTION Action,\r
	245	IN EFI_QUESTION_ID QuestionId,\r
	246	IN UINT8 Type,\r
	247	IN EFI_IFR_TYPE_VALUE *Value,\r
	248	OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r
	249	)\r
93e3992d	250	{\r
	251	BMM_CALLBACK_DATA *Private;\r
	252	FILE_EXPLORER_NV_DATA *NvRamMap;\r
	253	EFI_STATUS Status;\r
	254	UINTN BufferSize;\r
	255	\r
	256	if ((Value == NULL) \|\| (ActionRequest == NULL)) {\r
	257	return EFI_INVALID_PARAMETER;\r
	258	}\r
	259	\r
	260	Status = EFI_SUCCESS;\r
	261	Private = FE_CALLBACK_DATA_FROM_THIS (This);\r
	262	*ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
	263	\r
	264	//\r
	265	// Retrive uncommitted data from Form Browser\r
	266	//\r
	267	NvRamMap = &Private->FeFakeNvData;\r
	268	BufferSize = sizeof (FILE_EXPLORER_NV_DATA);\r
	269	Status = GetBrowserData (NULL, NULL, &BufferSize, (UINT8 *) NvRamMap);\r
	270	if (EFI_ERROR (Status)) {\r
	271	return Status;\r
	272	}\r
	273	\r
	274	if (QuestionId == KEY_VALUE_SAVE_AND_EXIT_BOOT \|\| QuestionId == KEY_VALUE_SAVE_AND_EXIT_DRIVER) {\r
	275	//\r
	276	// Apply changes and exit formset\r
	277	//\r
	278	if (ADD_BOOT_OPTION_STATE == Private->FeCurrentState) {\r
	279	Status = Var_UpdateBootOption (Private, NvRamMap);\r
	280	if (EFI_ERROR (Status)) {\r
	281	return Status;\r
	282	}\r
	283	\r
	284	BOpt_GetBootOptions (Private);\r
	285	CreateMenuStringToken (Private, Private->FeHiiHandle, &BootOptionMenu);\r
	286	} else if (ADD_DRIVER_OPTION_STATE == Private->FeCurrentState) {\r
	287	Status = Var_UpdateDriverOption (\r
	288	Private,\r
	289	Private->FeHiiHandle,\r
	290	NvRamMap->DescriptionData,\r
	291	NvRamMap->OptionalData,\r
	292	NvRamMap->ForceReconnect\r
	293	);\r
	294	if (EFI_ERROR (Status)) {\r
	295	return Status;\r
	296	}\r
	297	\r
	298	BOpt_GetDriverOptions (Private);\r
	299	CreateMenuStringToken (Private, Private->FeHiiHandle, &DriverOptionMenu);\r
	300	}\r
	301	\r
	302	*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
	303	} else if (QuestionId == KEY_VALUE_NO_SAVE_AND_EXIT_BOOT \|\| QuestionId == KEY_VALUE_NO_SAVE_AND_EXIT_DRIVER) {\r
	304	//\r
	305	// Discard changes and exit formset\r
	306	//\r
	307	NvRamMap->OptionalData[0] = 0x0000;\r
	308	NvRamMap->DescriptionData[0] = 0x0000;\r
	309	*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
	310	} else if (QuestionId < FILE_OPTION_OFFSET) {\r
	311	//\r
	312	// Exit File Explorer formset\r
	313	//\r
314	*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
315	} else {\r
316	if (UpdateFileExplorer (Private, QuestionId)) {\r
317	*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
318	}\r
319	}\r
320	\r
321	return Status;\r
322	}\r