/** @file
  This library class defines a set of interfaces to customize Display module

Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under 
the terms and conditions of the BSD License that accompanies this distribution.  
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.                                            

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef __CUSTOMIZED_DISPLAY_LIB_H__
#define __CUSTOMIZED_DISPLAY_LIB_H__

#include <Protocol/DisplayProtocol.h>

/**
+------------------------------------------------------------------------------+
|                                 Setup Page                                   |
+------------------------------------------------------------------------------+

Statement
Statement
Statement





+------------------------------------------------------------------------------+
|                                F9=Reset to Defaults        F10=Save          |
| ^"=Move Highlight          <Spacebar> Toggles Checkbox     Esc=Exit          |
+------------------------------------------------------------------------------+
  StatusBar
**/

/**
  This funtion defines Page Frame and Backgroud. 
  
  Based on the above layout, it will be responsible for HeaderHeight, FooterHeight, 
  StatusBarHeight and Backgroud. And, it will reserve Screen for Statement. 

  @param[in]  FormData             Form Data to be shown in Page.
  @param[out] ScreenForStatement   Screen to be used for Statement. (Prompt, Value and Help)
  
  @return Status
**/
EFI_STATUS
EFIAPI
DisplayPageFrame (
  IN FORM_DISPLAY_ENGINE_FORM       *FormData,
  OUT EFI_SCREEN_DESCRIPTOR         *ScreenForStatement
  );

/**
  Clear Screen to the initial state.
**/
VOID
EFIAPI 
ClearDisplayPage (
  VOID
  );

/**
  This function updates customized key panel's help information.
  The library will prepare those Strings for the basic key, ESC, Enter, Up/Down/Left/Right, +/-.
  and arrange them in Footer panel.
  
  @param[in]  FormData       Form Data to be shown in Page. FormData has the highlighted statement. 
  @param[in]  Statement      The statement current selected.
  @param[in]  Selected       Whether or not a tag be selected. TRUE means Enter has hit this question.
**/
VOID
EFIAPI
RefreshKeyHelp (
  IN FORM_DISPLAY_ENGINE_FORM      *FormData,
  IN FORM_DISPLAY_ENGINE_STATEMENT *Statement,
  IN  BOOLEAN                      Selected
  );

/**
  Update status bar.

  This function updates the status bar on the bottom of menu screen. It just shows StatusBar. 
  Original logic in this function should be splitted out.

  @param[in]  MessageType            The type of message to be shown. InputError or Configuration Changed. 
  @param[in]  State                  Show or Clear Message.
**/
VOID
EFIAPI
UpdateStatusBar (
  IN  UINTN                  MessageType,
  IN  BOOLEAN                State
  );

/**
  Create popup window. 

  This function draws OEM/Vendor specific pop up windows.

  @param[out]  Key    User Input Key
  @param       ...    String to be shown in Popup. The variable argument list is terminated by a NULL.
  
**/
VOID
EFIAPI
CreateDialog (
  OUT EFI_INPUT_KEY  *Key,        OPTIONAL
  ...
  );

/**
  Confirm how to handle the changed data. 
  
  @return Action BROWSER_ACTION_SUBMIT, BROWSER_ACTION_DISCARD or other values.
**/
UINTN
EFIAPI
ConfirmDataChange (
  VOID
  );

/**
  OEM specifies whether Setup exits Page by ESC key.

  This function customized the behavior that whether Setup exits Page so that 
  system able to boot when configuration is not changed.

  @retval  TRUE     Exits FrontPage
  @retval  FALSE    Don't exit FrontPage.
**/
BOOLEAN
EFIAPI
FormExitPolicy (
  VOID
  );

/**
  Set Timeout value for a ceratain Form to get user response. 
  
  This function allows to set timeout value on a ceratain form if necessary.
  If timeout is not zero, the form will exit if user has no response in timeout. 
  
  @param[in]  FormData   Form Data to be shown in Page

  @return 0     No timeout for this form. 
  @return > 0   Timeout value in 100 ns units.
**/
UINT64
EFIAPI
FormExitTimeout (
  IN FORM_DISPLAY_ENGINE_FORM      *FormData
  );

//
// Print Functions
//
/**
  Prints a unicode string to the default console, at
  the supplied cursor position, using L"%s" format.

  @param  Column     The cursor position to print the string at. When it is -1, use current Position.
  @param  Row        The cursor position to print the string at. When it is -1, use current Position.
  @param  String     String pointer.

  @return Length of string printed to the console

**/
UINTN
EFIAPI
PrintStringAt (
  IN UINTN     Column,
  IN UINTN     Row,
  IN CHAR16    *String
  );


/**
  Prints a unicode string with the specified width to the default console, at
  the supplied cursor position, using L"%s" format.

  @param  Column     The cursor position to print the string at. When it is -1, use current Position.
  @param  Row        The cursor position to print the string at. When it is -1, use current Position.
  @param  String     String pointer.
  @param  Width      Width for String to be printed. If the print length of String < Width, 
                     Space char (L' ') will be used to append String. 

  @return Length of string printed to the console

**/
UINTN
EFIAPI
PrintStringAtWithWidth (
  IN UINTN     Column,
  IN UINTN     Row,
  IN CHAR16    *String,
  IN UINTN     Width
  );

/**
  Prints a chracter to the default console, at
  the supplied cursor position, using L"%c" format.

  @param  Column     The cursor position to print the string at. When it is -1, use current Position.
  @param  Row        The cursor position to print the string at. When it is -1, use current Position.
  @param  Character  Character to print.

  @return Length of string printed to the console.

**/
UINTN
EFIAPI
PrintCharAt (
  IN UINTN     Column,
  IN UINTN     Row,
  CHAR16       Character
  );

/**
  Clear retangle with specified text attribute.

  @param  LeftColumn     Left column of retangle.
  @param  RightColumn    Right column of retangle.
  @param  TopRow         Start row of retangle.
  @param  BottomRow      End row of retangle.
  @param  TextAttribute  The character foreground and background.

**/
VOID
EFIAPI
ClearLines (
  IN UINTN               LeftColumn,
  IN UINTN               RightColumn,
  IN UINTN               TopRow,
  IN UINTN               BottomRow,
  IN UINTN               TextAttribute
  );

//
// Color Setting Functions
//
/**
  Get OEM/Vendor specific popup attribute colors.

  @retval  Byte code color setting for popup color.
**/
UINT8
EFIAPI
GetPopupColor (
  VOID
  );

/**
  Get OEM/Vendor specific popup attribute colors.

  @retval  Byte code color setting for popup inverse color.
**/
UINT8
EFIAPI
GetPopupInverseColor (
  VOID
  );

/**
  Get OEM/Vendor specific PickList color attribute.

  @retval  Byte code color setting for pick list color.
**/
UINT8
EFIAPI
GetPickListColor (
  VOID
  );

/**
  Get OEM/Vendor specific arrow color attribute.

  @retval  Byte code color setting for arrow color.
**/
UINT8
EFIAPI
GetArrowColor (
  VOID
  );

/**
  Get OEM/Vendor specific info text color attribute.

  @retval  Byte code color setting for info text color.
**/
UINT8
EFIAPI
GetInfoTextColor (
  VOID
  );

/**
  Get OEM/Vendor specific help text color attribute.

  @retval  Byte code color setting for help text color.
**/
UINT8
EFIAPI
GetHelpTextColor (
  VOID
  );

/**
  Get OEM/Vendor specific grayed out text color attribute.

  @retval  Byte code color setting for grayed out text color.
**/
UINT8
EFIAPI
GetGrayedTextColor (
  VOID
  );

/**
  Get OEM/Vendor specific highlighted text color attribute.

  @retval  Byte code color setting for highlight text color.
**/
UINT8
EFIAPI
GetHighlightTextColor (
  VOID
  );

/**
  Get OEM/Vendor specific field text color attribute.

  @retval  Byte code color setting for field text color.
**/
UINT8
EFIAPI
GetFieldTextColor (
  VOID
  );

/**
  Get OEM/Vendor specific subtitle text color attribute.

  @retval  Byte code color setting for subtitle text color.
**/
UINT8
EFIAPI
GetSubTitleTextColor (
  VOID
  );

#endif