8472407740
Per UEFI spec, on CallBack action EFI_BROWSER_ACTION_CHANGING, the return value of ActionRequest will be ignored, but on CallBack action EFI_BROWSER_ACTION_CHANGED, the return value of ActionRequest will be used. But, EDKII browser still processes the got ActionRequest. And, all HII drivers in EDKII project also returns their expected ActionRequest value on action EFI_BROWSER_ACTION_CHANGING. Now update the browser to follow the spec, and update all core Hii drivers to keep old working modal. Signed-off-by: ydong10 Reviewed-by: lgao4 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12866 6f19259b-4bc3-4df7-8a09-765794883524
331 lines
11 KiB
C
331 lines
11 KiB
C
/** @file
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File explorer related functions.
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Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "BootMaint.h"
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/**
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Update the File Explore page.
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@param CallbackData The BMM context data.
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@param MenuOption Pointer to menu options to display.
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**/
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VOID
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UpdateFileExplorePage (
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IN BMM_CALLBACK_DATA *CallbackData,
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BM_MENU_OPTION *MenuOption
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)
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{
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UINTN Index;
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BM_MENU_ENTRY *NewMenuEntry;
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BM_FILE_CONTEXT *NewFileContext;
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EFI_FORM_ID FormId;
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NewMenuEntry = NULL;
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NewFileContext = NULL;
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FormId = 0;
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RefreshUpdateData ();
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mStartLabel->Number = FORM_FILE_EXPLORER_ID;
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for (Index = 0; Index < MenuOption->MenuNumber; Index++) {
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NewMenuEntry = BOpt_GetMenuEntry (MenuOption, Index);
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NewFileContext = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;
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if (NewFileContext->IsBootLegacy) {
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continue;
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}
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if ((NewFileContext->IsDir) || (FileExplorerStateBootFromFile == CallbackData->FeCurrentState)) {
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//
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// Create Text opcode for directory, also create Text opcode for file in FileExplorerStateBootFromFile.
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//
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HiiCreateActionOpCode (
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mStartOpCodeHandle,
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(UINT16) (FILE_OPTION_OFFSET + Index),
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NewMenuEntry->DisplayStringToken,
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STRING_TOKEN (STR_NULL_STRING),
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EFI_IFR_FLAG_CALLBACK,
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0
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);
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} else {
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//
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// Create Goto opcode for file in FileExplorerStateAddBootOption or FileExplorerStateAddDriverOptionState.
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//
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if (FileExplorerStateAddBootOption == CallbackData->FeCurrentState) {
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FormId = FORM_BOOT_ADD_DESCRIPTION_ID;
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} else if (FileExplorerStateAddDriverOptionState == CallbackData->FeCurrentState) {
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FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;
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}
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HiiCreateGotoOpCode (
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mStartOpCodeHandle,
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FormId,
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NewMenuEntry->DisplayStringToken,
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STRING_TOKEN (STR_NULL_STRING),
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EFI_IFR_FLAG_CALLBACK,
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(UINT16) (FILE_OPTION_OFFSET + Index)
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);
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}
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}
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HiiUpdateForm (
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CallbackData->FeHiiHandle,
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&gFileExploreFormSetGuid,
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FORM_FILE_EXPLORER_ID,
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mStartOpCodeHandle, // Label FORM_FILE_EXPLORER_ID
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mEndOpCodeHandle // LABEL_END
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);
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}
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/**
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Update the file explower page with the refershed file system.
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@param CallbackData BMM context data
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@param KeyValue Key value to identify the type of data to expect.
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@retval TRUE Inform the caller to create a callback packet to exit file explorer.
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@retval FALSE Indicate that there is no need to exit file explorer.
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**/
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BOOLEAN
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UpdateFileExplorer (
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IN BMM_CALLBACK_DATA *CallbackData,
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IN UINT16 KeyValue
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)
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{
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UINT16 FileOptionMask;
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BM_MENU_ENTRY *NewMenuEntry;
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BM_FILE_CONTEXT *NewFileContext;
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EFI_FORM_ID FormId;
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BOOLEAN ExitFileExplorer;
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EFI_STATUS Status;
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NewMenuEntry = NULL;
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NewFileContext = NULL;
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ExitFileExplorer = FALSE;
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FileOptionMask = (UINT16) (FILE_OPTION_MASK & KeyValue);
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if (FileExplorerDisplayUnknown == CallbackData->FeDisplayContext) {
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//
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// First in, display file system.
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//
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BOpt_FreeMenu (&FsOptionMenu);
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BOpt_FindFileSystem (CallbackData);
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CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &FsOptionMenu);
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UpdateFileExplorePage (CallbackData, &FsOptionMenu);
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CallbackData->FeDisplayContext = FileExplorerDisplayFileSystem;
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} else {
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if (FileExplorerDisplayFileSystem == CallbackData->FeDisplayContext) {
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NewMenuEntry = BOpt_GetMenuEntry (&FsOptionMenu, FileOptionMask);
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} else if (FileExplorerDisplayDirectory == CallbackData->FeDisplayContext) {
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NewMenuEntry = BOpt_GetMenuEntry (&DirectoryMenu, FileOptionMask);
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}
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NewFileContext = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;
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if (NewFileContext->IsDir ) {
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CallbackData->FeDisplayContext = FileExplorerDisplayDirectory;
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RemoveEntryList (&NewMenuEntry->Link);
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BOpt_FreeMenu (&DirectoryMenu);
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Status = BOpt_FindFiles (CallbackData, NewMenuEntry);
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if (EFI_ERROR (Status)) {
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ExitFileExplorer = TRUE;
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goto exit;
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}
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CreateMenuStringToken (CallbackData, CallbackData->FeHiiHandle, &DirectoryMenu);
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BOpt_DestroyMenuEntry (NewMenuEntry);
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UpdateFileExplorePage (CallbackData, &DirectoryMenu);
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} else {
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switch (CallbackData->FeCurrentState) {
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case FileExplorerStateBootFromFile:
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//
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// Here boot from file
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//
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BootThisFile (NewFileContext);
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//
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// Set proper video resolution and text mode for setup.
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//
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ChangeModeForSetup ();
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ExitFileExplorer = TRUE;
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break;
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case FileExplorerStateAddBootOption:
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case FileExplorerStateAddDriverOptionState:
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if (FileExplorerStateAddBootOption == CallbackData->FeCurrentState) {
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FormId = FORM_BOOT_ADD_DESCRIPTION_ID;
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} else {
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FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;
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}
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CallbackData->MenuEntry = NewMenuEntry;
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CallbackData->LoadContext->FilePathList = ((BM_FILE_CONTEXT *) (CallbackData->MenuEntry->VariableContext))->DevicePath;
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//
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// Create Subtitle op-code for the display string of the option.
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//
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RefreshUpdateData ();
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mStartLabel->Number = FormId;
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HiiCreateSubTitleOpCode (
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mStartOpCodeHandle,
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NewMenuEntry->DisplayStringToken,
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0,
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0,
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0
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);
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HiiUpdateForm (
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CallbackData->FeHiiHandle,
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&gFileExploreFormSetGuid,
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FormId,
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mStartOpCodeHandle, // Label FormId
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mEndOpCodeHandle // LABEL_END
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);
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break;
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default:
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break;
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}
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}
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}
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exit:
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return ExitFileExplorer;
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}
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/**
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This function processes the results of changes in configuration.
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When user select a interactive opcode, this callback will be triggered.
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Based on the Question(QuestionId) that triggers the callback, the corresponding
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actions is performed. It handles:
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1) the addition of boot option.
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2) the addition of driver option.
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3) exit from file browser
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4) update of file content if a dir is selected.
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5) boot the file if a file is selected in "boot from file"
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@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param Action Specifies the type of action taken by the browser.
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@param QuestionId A unique value which is sent to the original exporting driver
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so that it can identify the type of data to expect.
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@param Type The type of value for the question.
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@param Value A pointer to the data being sent to the original exporting driver.
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@param ActionRequest On return, points to the action requested by the callback function.
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@retval EFI_SUCCESS The callback successfully handled the action.
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@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
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@retval EFI_DEVICE_ERROR The variable could not be saved.
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@retval EFI_UNSUPPORTED The specified Action is not supported by the callback.
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@retval EFI_INVALID_PARAMETER If paramter Value or ActionRequest is NULL.
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**/
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EFI_STATUS
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EFIAPI
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FileExplorerCallback (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN EFI_BROWSER_ACTION Action,
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IN EFI_QUESTION_ID QuestionId,
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IN UINT8 Type,
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IN EFI_IFR_TYPE_VALUE *Value,
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OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
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)
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{
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BMM_CALLBACK_DATA *Private;
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FILE_EXPLORER_NV_DATA *NvRamMap;
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EFI_STATUS Status;
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if (Action != EFI_BROWSER_ACTION_CHANGING && Action != EFI_BROWSER_ACTION_CHANGED) {
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//
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// All other action return unsupported.
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//
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return EFI_UNSUPPORTED;
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}
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Status = EFI_SUCCESS;
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Private = FE_CALLBACK_DATA_FROM_THIS (This);
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//
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// Retrieve uncommitted data from Form Browser
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//
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NvRamMap = &Private->FeFakeNvData;
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HiiGetBrowserData (&gFileExploreFormSetGuid, mFileExplorerStorageName, sizeof (FILE_EXPLORER_NV_DATA), (UINT8 *) NvRamMap);
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if (Action == EFI_BROWSER_ACTION_CHANGED) {
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if ((Value == NULL) || (ActionRequest == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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if (QuestionId == KEY_VALUE_SAVE_AND_EXIT_BOOT || QuestionId == KEY_VALUE_SAVE_AND_EXIT_DRIVER) {
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//
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// Apply changes and exit formset
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//
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if (FileExplorerStateAddBootOption == Private->FeCurrentState) {
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Status = Var_UpdateBootOption (Private, NvRamMap);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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BOpt_GetBootOptions (Private);
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CreateMenuStringToken (Private, Private->FeHiiHandle, &BootOptionMenu);
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} else if (FileExplorerStateAddDriverOptionState == Private->FeCurrentState) {
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Status = Var_UpdateDriverOption (
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Private,
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Private->FeHiiHandle,
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NvRamMap->DescriptionData,
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NvRamMap->OptionalData,
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NvRamMap->ForceReconnect
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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BOpt_GetDriverOptions (Private);
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CreateMenuStringToken (Private, Private->FeHiiHandle, &DriverOptionMenu);
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}
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*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
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} else if (QuestionId == KEY_VALUE_NO_SAVE_AND_EXIT_BOOT || QuestionId == KEY_VALUE_NO_SAVE_AND_EXIT_DRIVER) {
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//
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// Discard changes and exit formset
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//
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NvRamMap->OptionalData[0] = 0x0000;
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NvRamMap->DescriptionData[0] = 0x0000;
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*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
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} else if (QuestionId < FILE_OPTION_OFFSET) {
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//
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// Exit File Explorer formset
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//
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*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
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}
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} else if (Action == EFI_BROWSER_ACTION_CHANGING) {
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if (Value == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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if (QuestionId >= FILE_OPTION_OFFSET) {
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UpdateFileExplorer (Private, QuestionId);
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}
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}
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return Status;
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}
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