+ //\r
+ // restore the OffsetWidth string to the original format.\r
+ //\r
+ if (Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {\r
+ *EndStr = '=';\r
+ } else {\r
+ *EndStr = '&';\r
+ }\r
+\r
+ return (BOOLEAN) (*RetForm != NULL);\r
+}\r
+\r
+/**\r
+ Popup an save error info and get user input.\r
+\r
+ @param TitleId The form title id.\r
+ @param HiiHandle The hii handle for this package.\r
+\r
+ @retval UINT32 The user select option for the save fail.\r
+ BROWSER_ACTION_DISCARD or BROWSER_ACTION_JUMP_TO_FORMSET\r
+**/\r
+UINT32\r
+ConfirmSaveFail (\r
+ IN EFI_STRING_ID TitleId,\r
+ IN EFI_HII_HANDLE HiiHandle\r
+ )\r
+{\r
+ CHAR16 *FormTitle;\r
+ CHAR16 *StringBuffer;\r
+ UINT32 RetVal;\r
+\r
+ FormTitle = GetToken (TitleId, HiiHandle);\r
+\r
+ StringBuffer = AllocateZeroPool (256 * sizeof (CHAR16));\r
+ ASSERT (StringBuffer != NULL);\r
+\r
+ UnicodeSPrint (\r
+ StringBuffer, \r
+ 24 * sizeof (CHAR16) + StrSize (FormTitle), \r
+ L"Submit Fail For Form: %s.", \r
+ FormTitle\r
+ );\r
+\r
+ RetVal = PopupErrorMessage(BROWSER_SUBMIT_FAIL, NULL, NULL, StringBuffer);\r
+\r
+ FreePool (StringBuffer);\r
+ FreePool (FormTitle);\r
+\r
+ return RetVal;\r
+}\r
+\r
+/**\r
+ Popup an NO_SUBMIT_IF error info and get user input.\r
+\r
+ @param TitleId The form title id.\r
+ @param HiiHandle The hii handle for this package.\r
+\r
+ @retval UINT32 The user select option for the save fail.\r
+ BROWSER_ACTION_DISCARD or BROWSER_ACTION_JUMP_TO_FORMSET\r
+**/\r
+UINT32\r
+ConfirmNoSubmitFail (\r
+ IN EFI_STRING_ID TitleId,\r
+ IN EFI_HII_HANDLE HiiHandle\r
+ )\r
+{\r
+ CHAR16 *FormTitle;\r
+ CHAR16 *StringBuffer;\r
+ UINT32 RetVal;\r
+\r
+ FormTitle = GetToken (TitleId, HiiHandle);\r
+\r
+ StringBuffer = AllocateZeroPool (256 * sizeof (CHAR16));\r
+ ASSERT (StringBuffer != NULL);\r
+\r
+ UnicodeSPrint (\r
+ StringBuffer, \r
+ 24 * sizeof (CHAR16) + StrSize (FormTitle), \r
+ L"NO_SUBMIT_IF error For Form: %s.", \r
+ FormTitle\r
+ );\r
+\r
+ RetVal = PopupErrorMessage(BROWSER_SUBMIT_FAIL_NO_SUBMIT_IF, NULL, NULL, StringBuffer);\r
+\r
+ FreePool (StringBuffer);\r
+ FreePool (FormTitle);\r
+\r
+ return RetVal;\r
+}\r
+\r
+/**\r
+ Discard data based on the input setting scope (Form, FormSet or System).\r
+\r
+ @param FormSet FormSet data structure.\r
+ @param Form Form data structure.\r
+ @param SettingScope Setting Scope for Discard action.\r
+\r
+ @retval EFI_SUCCESS The function completed successfully.\r
+ @retval EFI_UNSUPPORTED Unsupport SettingScope.\r
+\r
+**/\r
+EFI_STATUS\r
+DiscardForm (\r
+ IN FORM_BROWSER_FORMSET *FormSet,\r
+ IN FORM_BROWSER_FORM *Form,\r
+ IN BROWSER_SETTING_SCOPE SettingScope\r
+ )\r
+{\r
+ LIST_ENTRY *Link;\r
+ FORMSET_STORAGE *Storage;\r
+ FORM_BROWSER_CONFIG_REQUEST *ConfigInfo;\r
+ FORM_BROWSER_FORMSET *LocalFormSet;\r
+ FORM_BROWSER_FORMSET *OldFormSet;\r
+\r
+ //\r
+ // Check the supported setting level.\r
+ //\r
+ if (SettingScope >= MaxLevel) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ if (SettingScope == FormLevel && IsNvUpdateRequiredForForm (Form)) {\r
+ ConfigInfo = NULL;\r
+ Link = GetFirstNode (&Form->ConfigRequestHead);\r
+ while (!IsNull (&Form->ConfigRequestHead, Link)) {\r
+ ConfigInfo = FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link);\r
+ Link = GetNextNode (&Form->ConfigRequestHead, Link);\r
+\r
+ if (ConfigInfo->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {\r
+ continue;\r
+ }\r
+\r
+ //\r
+ // Skip if there is no RequestElement\r
+ //\r
+ if (ConfigInfo->ElementCount == 0) {\r
+ continue;\r
+ }\r
+\r
+ //\r
+ // Prepare <ConfigResp>\r
+ //\r
+ SynchronizeStorage(ConfigInfo->Storage, ConfigInfo->ConfigRequest, FALSE);\r
+\r
+ //\r
+ // Call callback with Changed type to inform the driver.\r
+ //\r
+ SendDiscardInfoToDriver (FormSet, Form);\r
+ }\r
+\r
+ ValueChangeResetFlagUpdate (FALSE, FormSet, Form);\r
+ } else if (SettingScope == FormSetLevel && IsNvUpdateRequiredForFormSet (FormSet)) {\r
+\r
+ //\r
+ // Discard Buffer storage or Name/Value storage\r
+ //\r
+ Link = GetFirstNode (&FormSet->StorageListHead);\r
+ while (!IsNull (&FormSet->StorageListHead, Link)) {\r
+ Storage = FORMSET_STORAGE_FROM_LINK (Link);\r
+ Link = GetNextNode (&FormSet->StorageListHead, Link);\r
+\r
+ if (Storage->BrowserStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {\r
+ continue;\r
+ }\r
+\r
+ //\r
+ // Skip if there is no RequestElement\r
+ //\r
+ if (Storage->ElementCount == 0) {\r
+ continue;\r
+ }\r
+\r
+ SynchronizeStorage(Storage->BrowserStorage, Storage->ConfigRequest, FALSE);\r
+ }\r
+\r
+ Link = GetFirstNode (&FormSet->FormListHead);\r
+ while (!IsNull (&FormSet->FormListHead, Link)) {\r
+ Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r
+ Link = GetNextNode (&FormSet->FormListHead, Link);\r
+ \r
+ //\r
+ // Call callback with Changed type to inform the driver.\r
+ //\r
+ SendDiscardInfoToDriver (FormSet, Form);\r
+ }\r
+\r
+ ValueChangeResetFlagUpdate(FALSE, FormSet, NULL);\r
+ } else if (SettingScope == SystemLevel) {\r
+ //\r
+ // System Level Discard.\r
+ //\r
+ OldFormSet = mSystemLevelFormSet;\r
+\r
+ //\r
+ // Discard changed value for each FormSet in the maintain list.\r