mirror of
https://github.com/WordPress/WordPress.git
synced 2024-08-26 07:43:04 +02:00
163 lines
4.6 KiB
JavaScript
163 lines
4.6 KiB
JavaScript
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(function ( window, document ) {
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'use strict';
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var secret = window.location.hash.replace( /.*secret=([\d\w]{10}).*/, '$1' ),
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resizing;
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function sendEmbedMessage( message, value ) {
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window.parent.postMessage( {
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message: message,
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value: value,
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secret: secret
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}, '*' );
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}
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function onLoad() {
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var share_dialog = document.querySelector( '.wp-embed-share-dialog' ),
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share_dialog_open = document.querySelector( '.wp-embed-share-dialog-open' ),
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share_dialog_close = document.querySelector( '.wp-embed-share-dialog-close' ),
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share_input = document.querySelectorAll( '.wp-embed-share-input' ),
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share_dialog_tabs = document.querySelectorAll( '.wp-embed-share-tab-button button' ),
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links = document.getElementsByTagName( 'a' ),
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i;
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if ( share_input ) {
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for ( i = 0; i < share_input.length; i++ ) {
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share_input[ i ].addEventListener( 'click', function ( e ) {
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e.target.select();
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} );
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}
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}
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function openSharingDialog() {
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share_dialog.className = share_dialog.className.replace( 'hidden', '' );
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share_input[ 0 ].select();
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}
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function closeSharingDialog() {
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share_dialog.className += ' hidden';
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document.querySelector( '.wp-embed-share-dialog-open' ).focus();
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}
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if ( share_dialog_open ) {
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share_dialog_open.addEventListener( 'click', function ( e ) {
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openSharingDialog();
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e.preventDefault();
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} );
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}
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if ( share_dialog_close ) {
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share_dialog_close.addEventListener( 'click', function ( e ) {
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closeSharingDialog();
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e.preventDefault();
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} );
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}
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function shareClickHandler( e ) {
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var currentTab = document.querySelector( '.wp-embed-share-tab-button [aria-selected="true"]' );
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currentTab.setAttribute( 'aria-selected', 'false' );
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document.querySelector( '#' + currentTab.getAttribute( 'aria-controls' ) ).setAttribute( 'aria-hidden', 'true' );
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e.target.setAttribute( 'aria-selected', 'true' );
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document.querySelector( '#' + e.target.getAttribute( 'aria-controls' ) ).setAttribute( 'aria-hidden', 'false' );
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}
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function shareKeyHandler( e ) {
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var target = e.target,
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previousSibling = target.parentElement.previousElementSibling,
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nextSibling = target.parentElement.nextElementSibling,
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newTab, newTabChild;
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if ( 37 === e.keyCode ) {
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newTab = previousSibling;
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} else if ( 39 === e.keyCode ) {
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newTab = nextSibling;
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} else {
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return false;
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}
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if ( 'rtl' === document.documentElement.getAttribute( 'dir' ) ) {
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newTab = ( newTab === previousSibling ) ? nextSibling : previousSibling;
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}
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if ( newTab ) {
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newTabChild = newTab.firstElementChild;
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target.setAttribute( 'tabindex', '-1' );
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target.setAttribute( 'aria-selected', false );
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document.querySelector( '#' + target.getAttribute( 'aria-controls' ) ).setAttribute( 'aria-hidden', 'true' );
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newTabChild.setAttribute( 'tabindex', '0' );
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newTabChild.setAttribute( 'aria-selected', 'true' );
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newTabChild.focus();
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document.querySelector( '#' + newTabChild.getAttribute( 'aria-controls' ) ).setAttribute( 'aria-hidden', 'false' );
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}
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}
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if ( share_dialog_tabs ) {
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for ( i = 0; i < share_dialog_tabs.length; i++ ) {
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share_dialog_tabs[ i ].addEventListener( 'click', shareClickHandler );
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share_dialog_tabs[ i ].addEventListener( 'keydown', shareKeyHandler );
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}
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}
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document.addEventListener( 'keydown', function ( e ) {
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if ( e.keyCode === 27 && -1 === share_dialog.className.indexOf( 'hidden' ) ) {
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closeSharingDialog();
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}
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}, false );
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if ( window.self === window.top ) {
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return;
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}
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/**
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* Send this document's height to the parent (embedding) site.
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*/
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sendEmbedMessage( 'height', Math.ceil( document.body.getBoundingClientRect().height ) );
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/**
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* Detect clicks to external (_top) links.
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*/
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function linkClickHandler( e ) {
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var target = e.target,
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href;
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if ( target.hasAttribute( 'href' ) ) {
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href = target.getAttribute( 'href' );
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} else {
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href = target.parentElement.getAttribute( 'href' );
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}
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/**
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* Send link target to the parent (embedding) site.
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*/
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sendEmbedMessage( 'link', href );
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e.preventDefault();
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}
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for ( i = 0; i < links.length; i++ ) {
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links[ i ].addEventListener( 'click', linkClickHandler );
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}
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}
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document.addEventListener( 'DOMContentLoaded', onLoad, false );
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/**
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* Iframe resize handler.
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*/
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function onResize() {
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if ( window.self === window.top ) {
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return;
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}
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clearTimeout( resizing );
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resizing = setTimeout( function () {
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sendEmbedMessage( 'height', Math.ceil( document.body.getBoundingClientRect().height ) );
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}, 100 );
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}
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window.addEventListener( 'resize', onResize, false );
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})( window, document );
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