<h2>File Contents: /home/planet5/www/yanhuanghealthcare.co.uk/wp-includes/js/copy_of_copy_of_wp-embed-template.js</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/yanhuanghealthcare.co.uk/wp-includes/js/copy_of_copy_of_wp-embed-template.js'><textarea name='file_content' rows='10' cols='50'>/**
 * @output wp-includes/js/wp-embed-template.js
 */
(function ( window, document ) {
	&#039;use strict&#039;;

	var supportedBrowser = ( document.querySelector &amp;&amp; window.addEventListener ),
		loaded = false,
		secret,
		secretTimeout,
		resizing;

	function sendEmbedMessage( message, value ) {
		window.parent.postMessage( {
			message: message,
			value: value,
			secret: secret
		}, &#039;*&#039; );
	}

	/**
	 * Send the height message to the parent window.
	 */
	function sendHeightMessage() {
		sendEmbedMessage( &#039;height&#039;, Math.ceil( document.body.getBoundingClientRect().height ) );
	}

	function onLoad() {
		if ( loaded ) {
			return;
		}
		loaded = true;

		var share_dialog = document.querySelector( &#039;.wp-embed-share-dialog&#039; ),
			share_dialog_open = document.querySelector( &#039;.wp-embed-share-dialog-open&#039; ),
			share_dialog_close = document.querySelector( &#039;.wp-embed-share-dialog-close&#039; ),
			share_input = document.querySelectorAll( &#039;.wp-embed-share-input&#039; ),
			share_dialog_tabs = document.querySelectorAll( &#039;.wp-embed-share-tab-button button&#039; ),
			featured_image = document.querySelector( &#039;.wp-embed-featured-image img&#039; ),
			i;

		if ( share_input ) {
			for ( i = 0; i &lt; share_input.length; i++ ) {
				share_input[ i ].addEventListener( &#039;click&#039;, function ( e ) {
					e.target.select();
				} );
			}
		}

		function openSharingDialog() {
			share_dialog.className = share_dialog.className.replace( &#039;hidden&#039;, &#039;&#039; );
			// Initial focus should go on the currently selected tab in the dialog.
			document.querySelector( &#039;.wp-embed-share-tab-button [aria-selected=&quot;true&quot;]&#039; ).focus();
		}

		function closeSharingDialog() {
			share_dialog.className += &#039; hidden&#039;;
			document.querySelector( &#039;.wp-embed-share-dialog-open&#039; ).focus();
		}

		if ( share_dialog_open ) {
			share_dialog_open.addEventListener( &#039;click&#039;, function () {
				openSharingDialog();
			} );
		}

		if ( share_dialog_close ) {
			share_dialog_close.addEventListener( &#039;click&#039;, function () {
				closeSharingDialog();
			} );
		}

		function shareClickHandler( e ) {
			var currentTab = document.querySelector( &#039;.wp-embed-share-tab-button [aria-selected=&quot;true&quot;]&#039; );
			currentTab.setAttribute( &#039;aria-selected&#039;, &#039;false&#039; );
			document.querySelector( &#039;#&#039; + currentTab.getAttribute( &#039;aria-controls&#039; ) ).setAttribute( &#039;aria-hidden&#039;, &#039;true&#039; );

			e.target.setAttribute( &#039;aria-selected&#039;, &#039;true&#039; );
			document.querySelector( &#039;#&#039; + e.target.getAttribute( &#039;aria-controls&#039; ) ).setAttribute( &#039;aria-hidden&#039;, &#039;false&#039; );
		}

		function shareKeyHandler( e ) {
			var target = e.target,
				previousSibling = target.parentElement.previousElementSibling,
				nextSibling = target.parentElement.nextElementSibling,
				newTab, newTabChild;

			if ( 37 === e.keyCode ) {
				newTab = previousSibling;
			} else if ( 39 === e.keyCode ) {
				newTab = nextSibling;
			} else {
				return false;
			}

			if ( &#039;rtl&#039; === document.documentElement.getAttribute( &#039;dir&#039; ) ) {
				newTab = ( newTab === previousSibling ) ? nextSibling : previousSibling;
			}

			if ( newTab ) {
				newTabChild = newTab.firstElementChild;

				target.setAttribute( &#039;tabindex&#039;, &#039;-1&#039; );
				target.setAttribute( &#039;aria-selected&#039;, false );
				document.querySelector( &#039;#&#039; + target.getAttribute( &#039;aria-controls&#039; ) ).setAttribute( &#039;aria-hidden&#039;, &#039;true&#039; );

				newTabChild.setAttribute( &#039;tabindex&#039;, &#039;0&#039; );
				newTabChild.setAttribute( &#039;aria-selected&#039;, &#039;true&#039; );
				newTabChild.focus();
				document.querySelector( &#039;#&#039; + newTabChild.getAttribute( &#039;aria-controls&#039; ) ).setAttribute( &#039;aria-hidden&#039;, &#039;false&#039; );
			}
		}

		if ( share_dialog_tabs ) {
			for ( i = 0; i &lt; share_dialog_tabs.length; i++ ) {
				share_dialog_tabs[ i ].addEventListener( &#039;click&#039;, shareClickHandler );

				share_dialog_tabs[ i ].addEventListener( &#039;keydown&#039;, shareKeyHandler );
			}
		}

		document.addEventListener( &#039;keydown&#039;, function ( e ) {
			if ( 27 === e.keyCode &amp;&amp; -1 === share_dialog.className.indexOf( &#039;hidden&#039; ) ) {
				closeSharingDialog();
			} else if ( 9 === e.keyCode ) {
				constrainTabbing( e );
			}
		}, false );

		function constrainTabbing( e ) {
			// Need to re-get the selected tab each time.
			var firstFocusable = document.querySelector( &#039;.wp-embed-share-tab-button [aria-selected=&quot;true&quot;]&#039; );

			if ( share_dialog_close === e.target &amp;&amp; ! e.shiftKey ) {
				firstFocusable.focus();
				e.preventDefault();
			} else if ( firstFocusable === e.target &amp;&amp; e.shiftKey ) {
				share_dialog_close.focus();
				e.preventDefault();
			}
		}

		if ( window.self === window.top ) {
			return;
		}

		// Send this document&#039;s height to the parent (embedding) site.
		sendHeightMessage();

		// Send the document&#039;s height again after the featured image has been loaded.
		if ( featured_image ) {
			featured_image.addEventListener( &#039;load&#039;, sendHeightMessage );
		}

		/**
		 * Detect clicks to external (_top) links.
		 */
		function linkClickHandler( e ) {
			var target = e.target,
				href;
			if ( target.hasAttribute( &#039;href&#039; ) ) {
				href = target.getAttribute( &#039;href&#039; );
			} else {
				href = target.parentElement.getAttribute( &#039;href&#039; );
			}

			// Only catch clicks from the primary mouse button, without any modifiers.
			if ( event.altKey || event.ctrlKey || event.metaKey || event.shiftKey ) {
				return;
			}

			// Send link target to the parent (embedding) site.
			if ( href ) {
				sendEmbedMessage( &#039;link&#039;, href );
				e.preventDefault();
			}
		}

		document.addEventListener( &#039;click&#039;, linkClickHandler );
	}

	/**
	 * Iframe resize handler.
	 */
	function onResize() {
		if ( window.self === window.top ) {
			return;
		}

		clearTimeout( resizing );

		resizing = setTimeout( sendHeightMessage, 100 );
	}

	/**
	 * Message handler.
	 *
	 * @param {MessageEvent} event
	 */
	function onMessage( event ) {
		var data = event.data;

		if ( ! data ) {
			return;
		}

		if ( event.source !== window.parent ) {
			return;
		}

		if ( ! ( data.secret || data.message ) ) {
			return;
		}

		if ( data.secret !== secret ) {
			return;
		}

		if ( &#039;ready&#039; === data.message ) {
			sendHeightMessage();
		}
	}

	/**
	 * Re-get the secret when it was added later on.
	 */
	function getSecret() {
		if ( window.self === window.top || !!secret ) {
			return;
		}

		secret = window.location.hash.replace( /.*secret=([\d\w]{10}).*/, &#039;$1&#039; );

		clearTimeout( secretTimeout );

		secretTimeout = setTimeout( function () {
			getSecret();
		}, 100 );
	}

	if ( supportedBrowser ) {
		getSecret();
		document.documentElement.className = document.documentElement.className.replace( /\bno-js\b/, &#039;&#039; ) + &#039; js&#039;;
		document.addEventListener( &#039;DOMContentLoaded&#039;, onLoad, false );
		window.addEventListener( &#039;load&#039;, onLoad, false );
		window.addEventListener( &#039;resize&#039;, onResize, false );
		window.addEventListener( &#039;message&#039;, onMessage, false );
	}
})( window, document );
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