/** @file
Copyright (C) 2014 - 2017, Download-Fritz.  All rights reserved.<BR>
This program and the accompanying materials are licensed and made available
under the terms and conditions of the BSD License which 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 APPLE_EVENT_H
#define APPLE_EVENT_H

#include <IndustryStandard/AppleHid.h>

// Apple Event Type

#define APPLE_EVENT_TYPE_NONE                0
#define APPLE_EVENT_TYPE_MOUSE_MOVED         BIT0
#define APPLE_EVENT_TYPE_MOUSE_DOWN          BIT1
#define APPLE_EVENT_TYPE_MOUSE_UP            BIT2
#define APPLE_EVENT_TYPE_MOUSE_CLICK         BIT3
#define APPLE_EVENT_TYPE_MOUSE_DOUBLE_CLICK  BIT4
#define APPLE_EVENT_TYPE_LEFT_BUTTON         BIT5
#define APPLE_EVENT_TYPE_RIGHT_BUTTON        BIT6
#define APPLE_EVENT_TYPE_RESERVED_BUTTON     BIT7
#define APPLE_EVENT_TYPE_KEY_DOWN            BIT8
#define APPLE_EVENT_TYPE_KEY_UP              BIT9
#define APPLE_EVENT_TYPE_MODIFIER_DOWN       BIT10
#define APPLE_EVENT_TYPE_MODIFIER_UP         BIT11

#define APPLE_CLICK_MOUSE_EVENTS   \
  (APPLE_EVENT_TYPE_MOUSE_DOWN     \
 | APPLE_EVENT_TYPE_MOUSE_UP       \
 | APPLE_EVENT_TYPE_MOUSE_CLICK    \
 | APPLE_EVENT_TYPE_LEFT_BUTTON    \
 | APPLE_EVENT_TYPE_RIGHT_BUTTON)

#define APPLE_ALL_MOUSE_EVENTS     0x00FF
#define APPLE_ALL_KEYBOARD_EVENTS  0xFF00

// APPLE_EVENT_TYPE
typedef UINT32 APPLE_EVENT_TYPE;

// APPLE_POINTER_EVENT_TYPE
typedef UINTN APPLE_POINTER_EVENT_TYPE;

// APPLE_KEY_EVENT_DATA
typedef struct {
  UINT16            NumberOfKeyPairs;
  EFI_INPUT_KEY     InputKey;
  APPLE_KEY_CODE    AppleKeyCode;
} APPLE_KEY_EVENT_DATA;

typedef union {
  APPLE_KEY_EVENT_DATA        *KeyData;
  APPLE_POINTER_EVENT_TYPE    PointerEventType;
  UINTN                       Raw;
} APPLE_EVENT_DATA;

// DIMENSION
typedef struct {
  INT32    Horizontal;
  INT32    Vertical;
} DIMENSION;

// APPLE_EVENT_INFORMATION
typedef struct {
  struct {
    UINT16    Year;
    UINT8     Month;
    UINT8     Day;
    UINT8     Hour;
    UINT8     Minute;
    UINT8     Second;
    UINT8     Pad1;
  }                  CreationTime;
  APPLE_EVENT_TYPE      EventType;
  APPLE_EVENT_DATA      EventData;
  APPLE_MODIFIER_MAP    Modifiers;
  DIMENSION             PointerPosition;
} APPLE_EVENT_INFORMATION;

// APPLE_EVENT_NOTIFY_FUNCTION
typedef
VOID
(EFIAPI *APPLE_EVENT_NOTIFY_FUNCTION)(
  IN APPLE_EVENT_INFORMATION  *Information,
  IN VOID                     *NotifyContext
  );

// APPLE_EVENT_HANDLE
typedef VOID *APPLE_EVENT_HANDLE;

// Protocol declaration

// APPLE_EVENT_PROTOCOL_REVISION
#define APPLE_EVENT_PROTOCOL_REVISION  0x00000007

// APPLE_EVENT_PROTOCOL_REVISION_MINIMUM
#define APPLE_EVENT_PROTOCOL_REVISION_MINIMUM  0x00000006

// APPLE_EVENT_PROTOCOL_GUID
#define APPLE_EVENT_PROTOCOL_GUID  \
  { 0x33BE0EF1, 0x89C9, 0x4A6D,    \
    { 0xBB, 0x9F, 0x69, 0xDC, 0x8D, 0xD5, 0x16, 0xB9 } }

// EVENT_REGISTER_HANDLER
typedef
EFI_STATUS
(EFIAPI *EVENT_REGISTER_HANDLER)(
  IN  APPLE_EVENT_TYPE             Type,
  IN  APPLE_EVENT_NOTIFY_FUNCTION  NotifyFunction,
  OUT APPLE_EVENT_HANDLE           *Handle,
  IN  VOID                         *NotifyContext
  );

// EVENT_UNREGISTER_HANDLER
typedef
EFI_STATUS
(EFIAPI *EVENT_UNREGISTER_HANDLER)(
  IN APPLE_EVENT_HANDLE  EventHandle
  );

// EVENT_SET_CURSOR_POSITION
typedef
EFI_STATUS
(EFIAPI *EVENT_SET_CURSOR_POSITION)(
  IN DIMENSION  *Position
  );

// EVENT_SET_EVENT_NAME
typedef
EFI_STATUS
(EFIAPI *EVENT_SET_EVENT_NAME)(
  IN OUT APPLE_EVENT_HANDLE  Handle,
  IN     CHAR8               *Name
  );

// EVENT_IS_CAPS_LOCK_ON

/** Retrieves the state of the CapsLock key.

  @param[in,out] CLockOn  This parameter indicates the state of the CapsLock
                          key.

  @retval EFI_SUCCESS            The CapsLock state was successfully returned
                                 in CLockOn.
  @retval EFI_INVALID_PARAMETER  CLockOn is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EVENT_IS_CAPS_LOCK_ON)(
  IN OUT BOOLEAN  *CLockOn
  );

// APPLE_EVENT_PROTOCOL
typedef struct {
  UINT32                       Revision;
  EVENT_REGISTER_HANDLER       RegisterHandler;
  EVENT_UNREGISTER_HANDLER     UnregisterHandler;
  EVENT_SET_CURSOR_POSITION    SetCursorPosition;
  EVENT_SET_EVENT_NAME         SetEventName;
  EVENT_IS_CAPS_LOCK_ON        IsCapsLockOn;
} APPLE_EVENT_PROTOCOL;

// gAppleEventProtocolGuid
extern EFI_GUID  gAppleEventProtocolGuid;

#endif // APPLE_EVENT_H