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- /** @file
- This library class defines a set of interfaces to customize Ui module
- Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #include <Uefi.h>
- #include <Protocol/HiiConfigAccess.h>
- #include <Library/BaseLib.h>
- #include <Library/MemoryAllocationLib.h>
- #include "FrontPage.h"
- #include "FrontPageCustomizedUiSupport.h"
- extern FRONT_PAGE_CALLBACK_DATA gFrontPagePrivate;
- /**
- Customize menus in the page.
- @param[in] HiiHandle The HII Handle of the form to update.
- @param[in] StartOpCodeHandle The context used to insert opcode.
- @param[in] CustomizePageType The page type need to be customized.
- **/
- VOID
- UiCustomizeFrontPage (
- IN EFI_HII_HANDLE HiiHandle,
- IN VOID *StartOpCodeHandle
- )
- {
- //
- // Create "Select Language" menu with Oneof opcode.
- //
- UiCreateLanguageMenu (HiiHandle, StartOpCodeHandle);
- //
- // Create empty line.
- //
- UiCreateEmptyLine(HiiHandle, StartOpCodeHandle);
- //
- // Find third party drivers which need to be shown in the front page.
- //
- UiListThirdPartyDrivers (HiiHandle, &gEfiIfrFrontPageGuid, NULL, StartOpCodeHandle);
- //
- // Create empty line.
- //
- UiCreateEmptyLine(HiiHandle, StartOpCodeHandle);
- //
- // Create "Continue" menu.
- //
- UiCreateContinueMenu(HiiHandle, StartOpCodeHandle);
- //
- // Create reset menu.
- //
- UiCreateResetMenu(HiiHandle, StartOpCodeHandle);
- }
- /**
- This function processes the results of changes in configuration.
- @param HiiHandle Points to the hii handle for this formset.
- @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
- UiFrontPageCallbackHandler (
- IN EFI_HII_HANDLE HiiHandle,
- 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
- )
- {
- EFI_STATUS Status;
- if (UiSupportLibCallbackHandler (HiiHandle, Action, QuestionId, Type, Value, ActionRequest, &Status)) {
- return Status;
- }
- return EFI_UNSUPPORTED;
- }
- /**
- Update the banner string in the front page.
- Current layout for the banner string like below:
- PS: Totally only 5 lines of banner supported.
- Line 1: Left BannerStr RightBannerStr
- Line 2: Left BannerStr RightBannerStr
- Line 3: Left BannerStr RightBannerStr
- Line 4: Left BannerStr RightBannerStr
- Line 5: Left BannerStr RightBannerStr
- <EmptyLine>
- First menu in front page.
- ...
- @param LineIndex The line index of the banner need to check.
- @param LeftOrRight The left or right banner need to check.
- @param BannerStr Banner string need to update.
- Input the current string and user can update
- it and return the new string.
- **/
- VOID
- UiCustomizeFrontPageBanner (
- IN UINTN LineIndex,
- IN BOOLEAN LeftOrRight,
- IN OUT EFI_STRING *BannerStr
- )
- {
- if ((LineIndex == 5) && LeftOrRight) {
- // Update STR_CUSTOMIZE_BANNER_LINE5_LEFT
- if (PcdGetBool(PcdTestKeyUsed)) {
- if (BannerStr != NULL) {
- FreePool(*BannerStr);
- }
- *BannerStr = HiiGetString(gFrontPagePrivate.HiiHandle, STRING_TOKEN(STR_TEST_KEY_USED), NULL);
- }
- }
- return;
- }
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