(function(window, document) {
'use strict';
var supportedBrowser = false;
// Verify if browser is supported
if (document.querySelector) {
if (window.addEventListener) {
supportedBrowser = true;
}
}
window.owihl = window.owihl || {};
if (!!window.owihl.OverwriteIframeHeightLimit) {
return;
}
window.owihl.OverwriteIframeHeightLimit = function(e) {
var data = e.data;
// Check if all needed data is provided
if (!(data.secret || data.message || data.value)) {
return;
}
// Check if data secret is alphanumeric
if (/[^a-zA-Z0-9]/.test(data.secret)) {
return;
}
// Select all iframes
var iframes = document.querySelectorAll('iframe[data-secret="' + data.secret + '"]'),
i, source;
for (i = 0; i < iframes.length; i++) {
source = iframes[i];
if (e.source !== source.contentWindow) {
continue;
}
if ('height' === data.message) {
// wp-embed.js clears any added inline styls, that's why we need to create a style element
var styleElem = document.getElementById('owihl-style-' + source.getAttribute('data-secret'));
var css = 'iframe.wp-embedded-content[data-secret="' + source.getAttribute('data-secret') +
'"] { height: ' + parseInt(data.value, 10) + 'px; }';
if (styleElem) {
styleElem.innerHTML = css;
} else {
var head = document.head || document.getElementsByTagName('head')[0],
style = document.createElement('style');
style.type = 'text/css';
style.id = 'owihl-style-' + source.getAttribute('data-secret');
style.appendChild(document.createTextNode(css));
head.appendChild(style);
}
}
}
};
if (supportedBrowser) {
window.addEventListener('message', window.owihl.OverwriteIframeHeightLimit, false);
} else {
console.log('Wordpress