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/** |
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* Embed Privacy JavaScript functions. |
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* |
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* @author Epiphyt |
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* @license GPL2 |
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* @package epiphyt\Embed_Privacy |
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*/ |
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document.addEventListener( 'DOMContentLoaded', function() { |
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var overlays = document.querySelectorAll( '.embed-privacy-overlay' ); |
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var labels = document.querySelectorAll( '.embed-privacy-inner .embed-privacy-label' ); |
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|
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for ( var i = 0; i < overlays.length; i++ ) { |
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overlays[ i ].addEventListener( 'click', function( event ) { |
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var current_target = event.currentTarget; |
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var embed_content = current_target.nextElementSibling; |
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|
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// hide the embed overlay |
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current_target.style.display = 'none'; |
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// get stored content from JavaScript |
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var embed_object = JSON.parse( window[ '_' + current_target.parentNode.id ] ); |
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|
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embed_content.innerHTML = htmlentities_decode( embed_object.embed ); |
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|
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// get all script tags inside the embed |
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var script_tags = embed_content.querySelectorAll( 'script' ); |
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|
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// insert every script tag inside the embed as a new script |
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// to execute it |
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for ( var n = 0; n < script_tags.length; n++ ) { |
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var element = document.createElement( 'script' ); |
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|
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if ( script_tags[ n ].src ) { |
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// if script tag has a src attribute |
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element.src = script_tags[ n ].src; |
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} |
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else { |
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// if script tag has content |
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element.innerHTML = script_tags[ n ].innerHTML; |
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} |
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|
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// append it to body |
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embed_content.appendChild( element ); |
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} |
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} ) |
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} |
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|
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for ( var i = 0; i < labels.length; i++ ) { |
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labels[ i ].addEventListener( 'click', function( event ) { |
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// don't trigger the overlays click |
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event.stopPropagation(); |
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|
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var current_target = event.currentTarget; |
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var checkbox_id = current_target.getAttribute( 'for' ); |
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var embed_provider = current_target.getAttribute( 'data-embed-provider' ); |
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var cookie = ( get_cookie( 'embed-privacy' ) ? JSON.parse( get_cookie( 'embed-privacy' ) ) : '' ); |
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|
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if ( document.getElementById( checkbox_id ).checked ) { |
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// add|update the cookie's value |
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if ( cookie !== null && Object.keys( cookie ).length !== 0 && cookie.constructor === Object ) { |
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cookie[ embed_provider ] = true; |
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|
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set_cookie( 'embed-privacy', JSON.stringify( cookie ) ); |
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} |
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else { |
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set_cookie( 'embed-privacy', '{"' + embed_provider + '":true}', 365 ); |
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} |
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} |
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else if ( cookie !== null ) { |
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delete cookie[ embed_provider ]; |
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|
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if ( Object.keys( cookie ).length !== 0 ) { |
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set_cookie( 'embed-privacy', JSON.stringify( cookie ), 365 ); |
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} |
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else { |
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remove_cookie( 'embed-privacy' ); |
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} |
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} |
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} ); |
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} |
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} ); |
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|
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/** |
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* Get a cookie |
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* |
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* @link https://stackoverflow.com/a/24103596/3461955 |
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* |
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* @param {String} name The name of the cookie |
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*/ |
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function get_cookie( name ) { |
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var nameEQ = name + '='; |
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var ca = document.cookie.split( ';' ); |
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for ( var i = 0; i < ca.length; i++ ) { |
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var c = ca[ i ]; |
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while ( c.charAt( 0 ) == ' ' ) c = c.substring( 1, c.length ); |
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if ( c.indexOf( nameEQ ) == 0 ) return c.substring( nameEQ.length, c.length ); |
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} |
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return null; |
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} |
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|
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/** |
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* Decode a string with HTML entities. |
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* |
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* @param {string} content The content to decode |
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* @return {string} The decoded content |
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*/ |
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function htmlentities_decode( content ) { |
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var textarea = document.createElement( 'textarea' ); |
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|
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textarea.innerHTML = content; |
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|
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return textarea.value; |
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} |
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|
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/** |
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* Remove a cookie |
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* |
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* @link https://stackoverflow.com/a/24103596/3461955 |
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* |
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* @param {String} name The name of the cookie |
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*/ |
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function remove_cookie( name ) { |
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document.cookie = name + '=; expires=0; path=/'; |
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} |
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|
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/** |
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* Set a cookie |
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* |
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* @link https://stackoverflow.com/a/24103596/3461955 |
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* |
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* @param {String} name The name of the cookie |
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* @param {String} value The value of the cookie |
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* @param {Number} days The expiration in days |
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*/ |
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function set_cookie( name, value, days ) { |
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var expires = ''; |
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if ( days ) { |
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var date = new Date(); |
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date.setTime( date.getTime() + ( days * 24 * 60 * 60 * 1000 ) ); |
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expires = '; expires=' + date.toUTCString(); |
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} |
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document.cookie = name + '=' + ( value || '' ) + expires + '; path=/'; |
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} |
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