@zohodesk/a11y/es/ReadingMask/helpers/ReadingMaskEventManager.js

In this Package, We Provide Some Basic Components For Accessibility.

import { getIframeDocument, handleReadingMaskPostMessage } from '../utils/readingMaskUtils';

class ReadingMaskEventManager {
  constructor() {
    this.eventListener = null;
  }

  handleMouseMoveWithIframe(event, iframe) {
    handleReadingMaskPostMessage(event, iframe);
  }

  addMouseMoveListener(iframe) {
    const iframeDocument = getIframeDocument(iframe);

    const eventHandler = event => this.handleMouseMoveWithIframe(event, iframe);

    if (!this.eventListener) {
      this.eventListener = eventHandler;
    }

    if (iframeDocument) {
      iframeDocument.addEventListener('mousemove', eventHandler);
    }
  }

  removeMouseMoveListener(iframe) {
    const iframeDocument = getIframeDocument(iframe);

    if (iframeDocument && this.eventListener) {
      iframeDocument.removeEventListener('mousemove', this.eventListener);
    }

    this.eventListener = null;
  }

}

export default ReadingMaskEventManager;