WordPress/wp-includes/js/wp-embed.js

68 lines
2.0 KiB
JavaScript

(function ( window, document ) {
'use strict';
window.wp = window.wp || {};
if ( !! window.wp.receiveEmbedMessage ) {
return;
}
window.wp.receiveEmbedMessage = function( e ) {
var data = e.data;
if ( ! ( data.secret || data.message || data.value ) ) {
return;
}
var iframes = document.querySelectorAll( '.wp-embedded-content[data-secret="' + data.secret + '"]' );
for ( var i = 0; i < iframes.length; i++ ) {
var source = iframes[ i ];
/* Resize the iframe on request. */
if ( 'height' === data.message ) {
var height = data.value;
if ( height > 1000 ) {
height = 1000;
} else if ( height < 200 ) {
height = 200;
}
source.height = (height) + 'px';
}
/* Link to a specific URL on request. */
if ( 'link' === data.message ) {
var sourceURL = document.createElement( 'a' ), targetURL = document.createElement( 'a' );
sourceURL.href = source.getAttribute( 'src' );
targetURL.href = data.value;
/* Only continue if link hostname matches iframe's hostname. */
if ( targetURL.host === sourceURL.host && document.activeElement === source ) {
window.top.location.href = data.value;
}
}
}
};
window.addEventListener( 'message', window.wp.receiveEmbedMessage, false );
function onLoad() {
var isIE10 = -1 !== navigator.appVersion.indexOf( 'MSIE 10' ),
isIE11 = !!navigator.userAgent.match( /Trident.*rv\:11\./ );
/* Remove security attribute from iframes in IE10 and IE11. */
if ( isIE10 || isIE11 ) {
var iframes = document.querySelectorAll( '.wp-embedded-content[security]' ), iframeClone;
for ( var i = 0; i < iframes.length; i++ ) {
iframeClone = iframes[ i ].cloneNode( true );
iframeClone.removeAttribute( 'security' );
iframes[ i ].parentNode.insertBefore( iframeClone, iframes[ i ].nextSibling );
iframes[ i ].parentNode.removeChild( iframes[ i ] );
}
}
}
document.addEventListener( 'DOMContentLoaded', onLoad, false );
})( window, document );