ITouchActionHandler.h

/*
 *  Copyright (C) 2012-2024 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 <stdint.h>

typedef enum
{
  TouchMoveDirectionNone = 0x0,
  TouchMoveDirectionLeft = 0x1,
  TouchMoveDirectionRight = 0x2,
  TouchMoveDirectionUp = 0x4,
  TouchMoveDirectionDown = 0x8
} TouchMoveDirection;

class ITouchActionHandler
{
public:
  virtual ~ITouchActionHandler() = default;

  virtual void OnTouchAbort() {}

  virtual bool OnSingleTouchStart(float x, float y) { return true; }
  virtual bool OnSingleTouchHold(float x, float y) { return true; }
  virtual bool OnSingleTouchMove(
      float x, float y, float offsetX, float offsetY, float velocityX, float velocityY)
  {
    return true;
  }
  virtual bool OnSingleTouchEnd(float x, float y) { return true; }

  virtual bool OnMultiTouchDown(float x, float y, int32_t pointer) { return true; }
  virtual bool OnMultiTouchHold(float x, float y, int32_t pointers = 2) { return true; }
  virtual bool OnMultiTouchMove(float x,
                                float y,
                                float offsetX,
                                float offsetY,
                                float velocityX,
                                float velocityY,
                                int32_t pointer)
  {
    return true;
  }
  virtual bool OnMultiTouchUp(float x, float y, int32_t pointer) { return true; }

  virtual bool OnTouchGestureStart(float x, float y) { return true; }
  virtual bool OnTouchGesturePan(
      float x, float y, float offsetX, float offsetY, float velocityX, float velocityY)
  {
    return true;
  }
  virtual bool OnTouchGestureEnd(
      float x, float y, float offsetX, float offsetY, float velocityX, float velocityY)
  {
    return true;
  }

  // convenience events
  virtual void OnTap(float x, float y, int32_t pointers = 1) {}
  virtual void OnLongPress(float x, float y, int32_t pointers = 1) {}
  virtual void OnSwipe(TouchMoveDirection direction,
                       float xDown,
                       float yDown,
                       float xUp,
                       float yUp,
                       float velocityX,
                       float velocityY,
                       int32_t pointers = 1)
  {
  }
  virtual void OnZoomPinch(float centerX, float centerY, float zoomFactor) {}
  virtual void OnRotate(float centerX, float centerY, float angle) {}
};