react-native-gesture-handler/lib/typescript/web_hammer/DraggingGestureHandler.js

Declarative API exposing native platform touch and gesture system to React Native

/* eslint-disable @eslint-community/eslint-comments/no-unlimited-disable */
/* eslint-disable */
import GestureHandler from './GestureHandler';
import { PixelRatio } from 'react-native';
class DraggingGestureHandler extends GestureHandler {
    get shouldEnableGestureOnSetup() {
        return true;
    }
    transformNativeEvent({ deltaX, deltaY, velocityX, velocityY, center: { x, y }, }) {
        // @ts-ignore FIXME(TS)
        const rect = this.view.getBoundingClientRect();
        const ratio = PixelRatio.get();
        return {
            translationX: deltaX - (this.__initialX || 0),
            translationY: deltaY - (this.__initialY || 0),
            absoluteX: x,
            absoluteY: y,
            velocityX: velocityX * ratio,
            velocityY: velocityY * ratio,
            x: x - rect.left,
            y: y - rect.top,
        };
    }
}
export default DraggingGestureHandler;