32 lines
731 B
JavaScript
32 lines
731 B
JavaScript
import GestureHandler from './GestureHandler';
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import { PixelRatio } from 'react-native';
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class DraggingGestureHandler extends GestureHandler {
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get shouldEnableGestureOnSetup() {
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return true;
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}
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transformNativeEvent({
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deltaX,
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deltaY,
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velocityX,
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velocityY,
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center: { x, y },
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}) {
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const rect = this.view.getBoundingClientRect();
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const ratio = PixelRatio.get();
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return {
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translationX: deltaX - (this.__initialX || 0),
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translationY: deltaY - (this.__initialY || 0),
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absoluteX: x,
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absoluteY: y,
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velocityX: velocityX * ratio,
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velocityY: velocityY * ratio,
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x: x - rect.left,
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y: y - rect.top,
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};
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}
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}
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export default DraggingGestureHandler;
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