bc11b82964
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2932 6f19259b-4bc3-4df7-8a09-765794883524
346 lines
10 KiB
C
346 lines
10 KiB
C
/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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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Module Name:
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FileExplorer.c
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AgBStract:
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File explorer related functions.
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--*/
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//
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// Include common header file for this module.
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//
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#include "CommonHeader.h"
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#include "Generic/Bds.h"
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#include "BootMaint.h"
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#include "BdsPlatform.h"
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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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Routine Description:
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Update the File Explore page.
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Arguments:
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MenuOption - Pointer to menu options to display.
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Returns:
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None.
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--*/
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{
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UINT8 *Location;
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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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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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//
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// Clean up file explore page.
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//
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RefreshUpdateData (FALSE, 0, FALSE, 0, 0xff);
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//
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// Remove all op-codes from dynamic page
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//
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CallbackData->Hii->UpdateForm (
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CallbackData->Hii,
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CallbackData->FeHiiHandle,
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FORM_FILE_EXPLORER_ID,
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FALSE,
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UpdateData
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);
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RefreshUpdateData (TRUE, (EFI_PHYSICAL_ADDRESS) (UINTN) CallbackData->FeCallbackHandle, FALSE, 0, 0);
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Location = (UINT8 *) &UpdateData->Data;
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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) || (BOOT_FROM_FILE_STATE == CallbackData->FeCurrentState)) {
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//
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// Create Text opcode for directory, also create Text opcode for file in BOOT_FROM_FILE_STATE.
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//
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CreateTextOpCode (
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NewMenuEntry->DisplayStringToken,
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STR_NULL_STRING,
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STR_NULL_STRING,
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EFI_IFR_FLAG_INTERACTIVE | EFI_IFR_FLAG_NV_ACCESS,
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(UINT16) (FILE_OPTION_OFFSET + Index),
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Location
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);
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} else {
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//
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// Create Goto opcode for file in ADD_BOOT_OPTION_STATE or ADD_DRIVER_OPTION_STATE.
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//
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if (ADD_BOOT_OPTION_STATE == CallbackData->FeCurrentState) {
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FormId = FORM_BOOT_ADD_DESCRIPTION_ID;
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} else if (ADD_DRIVER_OPTION_STATE == CallbackData->FeCurrentState) {
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FormId = FORM_DRIVER_ADD_FILE_DESCRIPTION_ID;
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}
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CreateGotoOpCode (
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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_INTERACTIVE | EFI_IFR_FLAG_NV_ACCESS,
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(UINT16) (FILE_OPTION_OFFSET + Index),
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Location
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);
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}
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UpdateData->DataCount++;
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Location = Location + ((EFI_IFR_OP_HEADER *) Location)->Length;
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}
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CallbackData->Hii->UpdateForm (
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CallbackData->Hii,
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CallbackData->FeHiiHandle,
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FORM_FILE_EXPLORER_ID,
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TRUE,
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UpdateData
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);
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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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Routine Description:
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Update the file explower page with the refershed file system.
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Arguments:
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CallbackData - BMM context data
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KeyValue - Key value to identify the type of data to expect.
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Returns:
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TRUE - Inform the caller to create a callback packet to exit file explorer.
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FALSE - Indicate that there is no need to exit file explorer.
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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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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 (UNKNOWN_CONTEXT == 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 = FILE_SYSTEM;
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} else {
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if (FILE_SYSTEM == CallbackData->FeDisplayContext) {
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NewMenuEntry = BOpt_GetMenuEntry (&FsOptionMenu, FileOptionMask);
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} else if (DIRECTORY == CallbackData->FeDisplayContext) {
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NewMenuEntry = BOpt_GetMenuEntry (&DirectoryMenu, FileOptionMask);
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}
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CallbackData->FeDisplayContext = DIRECTORY;
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NewFileContext = (BM_FILE_CONTEXT *) NewMenuEntry->VariableContext;
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if (NewFileContext->IsDir ) {
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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 BOOT_FROM_FILE_STATE:
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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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ExitFileExplorer = TRUE;
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break;
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case ADD_BOOT_OPTION_STATE:
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case ADD_DRIVER_OPTION_STATE:
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if (ADD_BOOT_OPTION_STATE == 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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// Clean up file explore page.
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//
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RefreshUpdateData (FALSE, 0, FALSE, 0, 1);
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//
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// Remove the Subtitle op-code.
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//
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CallbackData->Hii->UpdateForm (
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CallbackData->Hii,
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CallbackData->FeHiiHandle,
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FormId,
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FALSE,
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UpdateData
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);
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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 (TRUE, (EFI_PHYSICAL_ADDRESS) (UINTN) CallbackData->FeCallbackHandle, FALSE, 0, 1);
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CreateSubTitleOpCode (
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NewMenuEntry->DisplayStringToken,
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&UpdateData->Data
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);
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CallbackData->Hii->UpdateForm (
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CallbackData->Hii,
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CallbackData->FeHiiHandle,
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FormId,
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TRUE,
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UpdateData
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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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EFI_STATUS
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EFIAPI
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FileExplorerCallback (
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IN EFI_FORM_CALLBACK_PROTOCOL *This,
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IN UINT16 KeyValue,
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IN EFI_IFR_DATA_ARRAY *Data,
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OUT EFI_HII_CALLBACK_PACKET **Packet
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)
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/*++
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Routine Description:
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Callback Function for file exploration and file interaction.
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Arguments:
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This - File explorer callback protocol pointer.
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KeyValue - Key value to identify the type of data to expect.
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Data - A pointer to the data being sent to the original exporting driver.
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Packet - A pointer to a packet of information which a driver passes back to the browser.
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Returns:
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EFI_SUCCESS - Callback ended successfully.
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Others - Contain some errors.
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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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Status = EFI_SUCCESS;
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Private = FE_CALLBACK_DATA_FROM_THIS (This);
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UpdateData->FormCallbackHandle = (EFI_PHYSICAL_ADDRESS) (UINTN) Private->FeCallbackHandle;
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NvRamMap = (FILE_EXPLORER_NV_DATA *) Data->NvRamMap;
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if (KEY_VALUE_SAVE_AND_EXIT == KeyValue) {
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//
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// Apply changes and exit formset.
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//
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if (ADD_BOOT_OPTION_STATE == 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 (ADD_DRIVER_OPTION_STATE == 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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CreateCallbackPacket (Packet, EXIT_REQUIRED | NV_NOT_CHANGED);
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} else if (KEY_VALUE_NO_SAVE_AND_EXIT == KeyValue) {
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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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CreateCallbackPacket (Packet, EXIT_REQUIRED | NV_NOT_CHANGED);
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} else if (KeyValue < FILE_OPTION_OFFSET) {
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//
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// Exit File Explorer formset.
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//
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CreateCallbackPacket (Packet, EXIT_REQUIRED);
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} else {
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if (UpdateFileExplorer (Private, KeyValue)) {
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CreateCallbackPacket (Packet, EXIT_REQUIRED);
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}
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}
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return Status;
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}
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