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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.

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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.

Update for MdeModulePkg.

Signed-off-by: ydong10
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12865 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
2011-12-15 02:54:49 +00:00
parent 3531262f5f
commit 3a4e7a3e73
9 changed files with 224 additions and 182 deletions
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75
MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c
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@@ -1334,17 +1334,25 @@ PlatOverMngrCallback (
EFI_INPUT_KEY Key;
PLAT_OVER_MNGR_DATA *FakeNvData;
if (Action == EFI_BROWSER_ACTION_CHANGING) {
Private = EFI_CALLBACK_INFO_FROM_THIS (This);
FakeNvData = &Private->FakeNvData;
if (!HiiGetBrowserData (&gPlatformOverridesManagerGuid, mVariableName, sizeof (PLAT_OVER_MNGR_DATA), (UINT8 *) FakeNvData)) {
return EFI_NOT_FOUND;
}
if ((Action != EFI_BROWSER_ACTION_CHANGING) && (Action != EFI_BROWSER_ACTION_CHANGED)) {
//
// All other action return unsupported.
//
return EFI_UNSUPPORTED;
}
if (KeyValue == KEY_VALUE_DEVICE_REFRESH ||
KeyValue == KEY_VALUE_DEVICE_FILTER ||
KeyValue == KEY_VALUE_DRIVER_GOTO_PREVIOUS
) {
Private = EFI_CALLBACK_INFO_FROM_THIS (This);
FakeNvData = &Private->FakeNvData;
if (!HiiGetBrowserData (&gPlatformOverridesManagerGuid, mVariableName, sizeof (PLAT_OVER_MNGR_DATA), (UINT8 *) FakeNvData)) {
return EFI_NOT_FOUND;
}
if (Action == EFI_BROWSER_ACTION_CHANGING) {
if (Value == NULL) {
return EFI_INVALID_PARAMETER;
}
if (KeyValue == KEY_VALUE_DRIVER_GOTO_PREVIOUS) {
UpdateDeviceSelectPage (Private, KeyValue, FakeNvData);
//
// Update page title string
@@ -1380,15 +1388,6 @@ PlatOverMngrCallback (
}
}
if (KeyValue == KEY_VALUE_ORDER_SAVE_AND_EXIT) {
Status = CommintChanges (Private, KeyValue, FakeNvData);
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;
if (EFI_ERROR (Status)) {
CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, L"Single Override Info too large, Saving Error!", NULL);
return EFI_DEVICE_ERROR;
}
}
if (KeyValue == KEY_VALUE_DEVICE_CLEAR) {
//
// Deletes all environment variable(s) that contain the override mappings info
@@ -1397,18 +1396,40 @@ PlatOverMngrCallback (
Status = SaveOverridesMapping (&mMappingDataBase);
UpdateDeviceSelectPage (Private, KeyValue, FakeNvData);
}
//
// Pass changed uncommitted data back to Form Browser
//
HiiSetBrowserData (&gPlatformOverridesManagerGuid, mVariableName, sizeof (PLAT_OVER_MNGR_DATA), (UINT8 *) FakeNvData, NULL);
} else if (Action == EFI_BROWSER_ACTION_CHANGED) {
switch (KeyValue) {
case KEY_VALUE_DEVICE_REFRESH:
case KEY_VALUE_DEVICE_FILTER:
UpdateDeviceSelectPage (Private, KeyValue, FakeNvData);
//
// Update page title string
//
NewStringToken = STRING_TOKEN (STR_TITLE);
if (HiiSetString (Private->RegisteredHandle, NewStringToken, L"First, Select the controller by device path", NULL) == 0) {
ASSERT (FALSE);
}
break;
case KEY_VALUE_ORDER_SAVE_AND_EXIT:
Status = CommintChanges (Private, KeyValue, FakeNvData);
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;
if (EFI_ERROR (Status)) {
CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, L"Single Override Info too large, Saving Error!", NULL);
return EFI_DEVICE_ERROR;
}
break;
return EFI_SUCCESS;
}
default:
break;
}
}
//
// All other action return unsupported.
// Pass changed uncommitted data back to Form Browser
//
return EFI_UNSUPPORTED;
HiiSetBrowserData (&gPlatformOverridesManagerGuid, mVariableName, sizeof (PLAT_OVER_MNGR_DATA), (UINT8 *) FakeNvData, NULL);
return EFI_SUCCESS;
}
/**