SeatInputProcessing.h

/*
 *  Copyright (C) 2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include "InputProcessorKeyboard.h"
#include "InputProcessorPointer.h"
#include "InputProcessorTouch.h"
#include "Seat.h"

#include <cstdint>
#include <map>
#include <memory>

#include <wayland-client-protocol.hpp>

namespace KODI
{
namespace WINDOWING
{
namespace WAYLAND
{

enum class InputType
{
  POINTER,
  KEYBOARD,
  TOUCH
};

class IInputHandler
{
public:
  virtual void OnEvent(InputType type, XBMC_Event& event) {}
  virtual void OnEnter(InputType type) {}
  virtual void OnLeave(InputType type) {}
  virtual void OnSetCursor(std::uint32_t seatGlobalName, std::uint32_t serial) {}

  virtual ~IInputHandler() = default;
};

class CSeatInputProcessing final : public IInputHandlerPointer, public IInputHandlerKeyboard
{
public:
  CSeatInputProcessing(wayland::surface_t const& inputSurface, IInputHandler& handler);
  void AddSeat(CSeat* seat);
  void RemoveSeat(CSeat* seat);

  void SetCoordinateScale(std::int32_t scale);

private:
  wayland::surface_t m_inputSurface;
  IInputHandler& m_handler;

  void OnPointerEnter(std::uint32_t seatGlobalName, std::uint32_t serial) override;
  void OnPointerLeave() override;
  void OnPointerEvent(XBMC_Event& event) override;

  void OnKeyboardEnter() override;
  void OnKeyboardLeave() override;
  void OnKeyboardEvent(XBMC_Event& event) override;

  struct SeatState
  {
    CSeat* seat;
    std::unique_ptr<CInputProcessorKeyboard> keyboardProcessor;
    std::unique_ptr<CInputProcessorPointer> pointerProcessor;
    std::unique_ptr<CInputProcessorTouch> touchProcessor;

    SeatState(CSeat* seat)
    : seat{seat}
    {}
  };
  std::map<std::uint32_t, SeatState> m_seats;
};

}
}
}