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📊 Server Information

Server:

Apache

System:

Linux 5.14.0-427.33.1.el9_4.x86_64

PHP Version:

7.4.33

User:

infinio

Directory:

/home/infinio/public_html/moodle/h5p/h5plib/v126/joubel/core/js

Free Space:

54.4 GB

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✏️ Editing: h5p-resizer.js

// H5P iframe Resizer
(function () {
  if (!window.postMessage || !window.addEventListener || window.h5pResizerInitialized) {
    return; // Not supported
  }
  window.h5pResizerInitialized = true;

// Map actions to handlers
  var actionHandlers = {};

/**
   * Prepare iframe resize.
   *
   * @private
   * @param {Object} iframe Element
   * @param {Object} data Payload
   * @param {Function} respond Send a response to the iframe
   */
  actionHandlers.hello = function (iframe, data, respond) {
    // Make iframe responsive
    iframe.style.width = '100%';

// Bugfix for Chrome: Force update of iframe width. If this is not done the
    // document size may not be updated before the content resizes.
    iframe.getBoundingClientRect();

// Tell iframe that it needs to resize when our window resizes
    var resize = function () {
      if (iframe.contentWindow) {
        // Limit resize calls to avoid flickering
        respond('resize');
      }
      else {
        // Frame is gone, unregister.
        window.removeEventListener('resize', resize);
      }
    };
    window.addEventListener('resize', resize, false);

// Respond to let the iframe know we can resize it
    respond('hello');
  };

/**
   * Prepare iframe resize.
   *
   * @private
   * @param {Object} iframe Element
   * @param {Object} data Payload
   * @param {Function} respond Send a response to the iframe
   */
  actionHandlers.prepareResize = function (iframe, data, respond) {
    // Do not resize unless page and scrolling differs
    if (iframe.clientHeight !== data.scrollHeight ||
        data.scrollHeight !== data.clientHeight) {

// Reset iframe height, in case content has shrinked.
      iframe.style.height = data.clientHeight + 'px';
      respond('resizePrepared');
    }
  };

/**
   * Resize parent and iframe to desired height.
   *
   * @private
   * @param {Object} iframe Element
   * @param {Object} data Payload
   * @param {Function} respond Send a response to the iframe
   */
  actionHandlers.resize = function (iframe, data) {
    // Resize iframe so all content is visible. Use scrollHeight to make sure we get everything
    iframe.style.height = data.scrollHeight + 'px';
  };

/**
   * Keyup event handler. Exits full screen on escape.
   *
   * @param {Event} event
   */
  var escape = function (event) {
    if (event.keyCode === 27) {
      exitFullScreen();
    }
  };

// Listen for messages from iframes
  window.addEventListener('message', function receiveMessage(event) {
    if (event.data.context !== 'h5p') {
      return; // Only handle h5p requests.
    }

// Find out who sent the message
    var iframe, iframes = document.getElementsByTagName('iframe');
    for (var i = 0; i < iframes.length; i++) {
      if (iframes[i].contentWindow === event.source) {
        iframe = iframes[i];
        break;
      }
    }

if (!iframe) {
      return; // Cannot find sender
    }

// Find action handler handler
    if (actionHandlers[event.data.action]) {
      actionHandlers[event.data.action](iframe, event.data, function respond(action, data) {
        if (data === undefined) {
          data = {};
        }
        data.action = action;
        data.context = 'h5p';
        event.source.postMessage(data, event.origin);
      });
    }
  }, false);

// Let h5p iframes know we're ready!
  var iframes = document.getElementsByTagName('iframe');
  var ready = {
    context: 'h5p',
    action: 'ready'
  };
  for (var i = 0; i < iframes.length; i++) {
    if (iframes[i].src.indexOf('h5p') !== -1) {
      iframes[i].contentWindow.postMessage(ready, '*');
    }
  }

})();

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