| 1 |
/** |
| 2 |
* Embed Privacy JavaScript functions. |
| 3 |
* |
| 4 |
* @author Epiphyt |
| 5 |
* @license GPL2 |
| 6 |
* @package epiphyt\Embed_Privacy |
| 7 |
*/ |
| 8 |
document.addEventListener( 'DOMContentLoaded', function() { |
| 9 |
var checkboxes = document.querySelectorAll( '.embed-privacy-inner .embed-privacy-input' ); |
| 10 |
var labels = document.querySelectorAll( '.embed-privacy-inner .embed-privacy-label' ); |
| 11 |
var overlays = document.querySelectorAll( '.embed-privacy-overlay' ); |
| 12 |
var overlayLinks = document.querySelectorAll( '.embed-privacy-overlay a' ); |
| 13 |
|
| 14 |
for ( var i = 0; i < overlays.length; i++ ) { |
| 15 |
overlays[ i ].addEventListener( 'click', function( event ) { |
| 16 |
if ( event.currentTarget.tagName !== 'INPUT' ) { |
| 17 |
overlayClick( event.currentTarget ); |
| 18 |
} |
| 19 |
} ); |
| 20 |
|
| 21 |
var button = overlays[ i ].parentNode.querySelector( '.embed-privacy-enable' ); |
| 22 |
|
| 23 |
if ( ! button ) { |
| 24 |
continue; |
| 25 |
} |
| 26 |
|
| 27 |
button.addEventListener( 'click', function( event ) { |
| 28 |
overlayClick( event.currentTarget.parentNode.querySelector( '.embed-privacy-overlay' ) ); |
| 29 |
event.currentTarget.parentNode.removeChild( event.currentTarget ); // IE11 doesn't support .remove() |
| 30 |
} ); |
| 31 |
button.addEventListener( 'keypress', function( event ) { |
| 32 |
if ( event.code === 'Enter' || event.code === 'Space' ) { |
| 33 |
event.preventDefault(); // prevent space from scrolling the page |
| 34 |
overlayClick( event.currentTarget.parentNode.querySelector( '.embed-privacy-overlay' ) ); |
| 35 |
event.currentTarget.parentNode.removeChild( event.currentTarget ); // IE11 doesn't support .remove() |
| 36 |
} |
| 37 |
} ); |
| 38 |
} |
| 39 |
|
| 40 |
if ( embedPrivacy.javascriptDetection === 'yes' ) { |
| 41 |
enableAlwaysActiveProviders(); |
| 42 |
} |
| 43 |
|
| 44 |
optOut(); |
| 45 |
setMinHeight(); |
| 46 |
|
| 47 |
window.addEventListener( 'resize', function() { |
| 48 |
setMinHeight(); |
| 49 |
} ); |
| 50 |
|
| 51 |
for ( var i = 0; i < overlayLinks.length; i++ ) { |
| 52 |
overlayLinks[ i ].addEventListener( 'click', function( event ) { |
| 53 |
// don't trigger the overlays click |
| 54 |
event.stopPropagation(); |
| 55 |
} ); |
| 56 |
} |
| 57 |
|
| 58 |
for ( var i = 0; i < checkboxes.length; i++ ) { |
| 59 |
checkboxes[ i ].addEventListener( 'click', function( event ) { |
| 60 |
// don't trigger the overlays click |
| 61 |
event.stopPropagation(); |
| 62 |
|
| 63 |
checkboxActivation( event.currentTarget ); |
| 64 |
} ); |
| 65 |
} |
| 66 |
|
| 67 |
for ( var i = 0; i < labels.length; i++ ) { |
| 68 |
labels[ i ].addEventListener( 'click', function( event ) { |
| 69 |
// don't trigger the overlays click |
| 70 |
event.stopPropagation(); |
| 71 |
} ); |
| 72 |
} |
| 73 |
|
| 74 |
/** |
| 75 |
* Clicking on a checkbox to always enable/disable an embed provider. |
| 76 |
* |
| 77 |
* @since 1.2.0 |
| 78 |
* |
| 79 |
* @param {element} target Target element |
| 80 |
*/ |
| 81 |
function checkboxActivation( target ) { |
| 82 |
var embedProvider = target.getAttribute( 'data-embed-provider' ); |
| 83 |
var cookie = ( get_cookie( 'embed-privacy' ) ? JSON.parse( get_cookie( 'embed-privacy' ) ) : '' ); |
| 84 |
|
| 85 |
if ( target.checked ) { |
| 86 |
// add|update the cookie's value |
| 87 |
if ( cookie !== null && Object.keys( cookie ).length !== 0 && cookie.constructor === Object ) { |
| 88 |
cookie[ embedProvider ] = true; |
| 89 |
|
| 90 |
set_cookie( 'embed-privacy', JSON.stringify( cookie ) ); |
| 91 |
} |
| 92 |
else { |
| 93 |
set_cookie( 'embed-privacy', '{"' + embedProvider + '":true}', 365 ); |
| 94 |
} |
| 95 |
|
| 96 |
enableAlwaysActiveProviders(); |
| 97 |
} |
| 98 |
else if ( cookie !== null ) { |
| 99 |
delete cookie[ embedProvider ]; |
| 100 |
|
| 101 |
if ( Object.keys( cookie ).length !== 0 ) { |
| 102 |
set_cookie( 'embed-privacy', JSON.stringify( cookie ), 365 ); |
| 103 |
} |
| 104 |
else { |
| 105 |
remove_cookie( 'embed-privacy' ); |
| 106 |
} |
| 107 |
} |
| 108 |
} |
| 109 |
|
| 110 |
/** |
| 111 |
* Check whether to enable an always active provider by default. |
| 112 |
* |
| 113 |
* @since 1.2.0 |
| 114 |
*/ |
| 115 |
function enableAlwaysActiveProviders() { |
| 116 |
var cookie = ( get_cookie( 'embed-privacy' ) ? JSON.parse( get_cookie( 'embed-privacy' ) ) : '' ); |
| 117 |
|
| 118 |
if ( cookie === null || ! Object.keys( cookie ).length ) { |
| 119 |
return; |
| 120 |
} |
| 121 |
|
| 122 |
var providers = Object.keys( cookie ); |
| 123 |
|
| 124 |
for ( var i = 0; i < overlays.length; i++ ) { |
| 125 |
var provider = overlays[ i ].parentNode.getAttribute( 'data-embed-provider' ); |
| 126 |
|
| 127 |
if ( providers.includes( provider ) ) { |
| 128 |
overlays[ i ].click(); |
| 129 |
} |
| 130 |
} |
| 131 |
} |
| 132 |
|
| 133 |
/** |
| 134 |
* Get always active providers from cookie. |
| 135 |
* |
| 136 |
* @since 1.4.8 |
| 137 |
* |
| 138 |
* @return {string[]} List of always active providers |
| 139 |
*/ |
| 140 |
function getAlwaysActiveProviders() { |
| 141 |
const cookie = ( get_cookie( 'embed-privacy' ) ? JSON.parse( get_cookie( 'embed-privacy' ) ) : '' ); |
| 142 |
|
| 143 |
if ( ! cookie ) { |
| 144 |
return []; |
| 145 |
} |
| 146 |
|
| 147 |
return Object.keys( cookie ); |
| 148 |
} |
| 149 |
|
| 150 |
/** |
| 151 |
* Opting in/out for embed providers. |
| 152 |
* |
| 153 |
* @since 1.2.0 |
| 154 |
*/ |
| 155 |
function optOut() { |
| 156 |
const optOutContainer = document.querySelector( '.embed-privacy-opt-out' ); |
| 157 |
|
| 158 |
if ( ! optOutContainer ) { |
| 159 |
return; |
| 160 |
} |
| 161 |
|
| 162 |
var optOutCheckboxes = optOutContainer.querySelectorAll( '.embed-privacy-opt-out-input' ); |
| 163 |
const showAll = optOutContainer.getAttribute( 'data-show-all' ) === '1'; |
| 164 |
|
| 165 |
if ( ! optOutCheckboxes ) { |
| 166 |
return; |
| 167 |
} |
| 168 |
|
| 169 |
const alwaysActiveProviders = getAlwaysActiveProviders(); |
| 170 |
|
| 171 |
for ( var i = 0; i < optOutCheckboxes.length; i++ ) { |
| 172 |
if ( embedPrivacy.javascriptDetection === 'yes' && alwaysActiveProviders.indexOf( optOutCheckboxes[ i ].getAttribute( 'data-embed-provider' ) ) !== -1 ) { |
| 173 |
optOutCheckboxes[ i ].checked = true; |
| 174 |
} |
| 175 |
else if ( embedPrivacy.javascriptDetection === 'yes' && ! showAll ) { |
| 176 |
optOutCheckboxes[ i ].parentNode.classList.add( 'is-hidden' ); |
| 177 |
|
| 178 |
continue; |
| 179 |
} |
| 180 |
|
| 181 |
optOutCheckboxes[ i ].addEventListener( 'click', function( event ) { |
| 182 |
var currentTarget = event.currentTarget; |
| 183 |
|
| 184 |
if ( ! currentTarget ) { |
| 185 |
return; |
| 186 |
} |
| 187 |
|
| 188 |
checkboxActivation( currentTarget ); |
| 189 |
} ); |
| 190 |
} |
| 191 |
|
| 192 |
const nonHiddenProviders = optOutContainer.querySelectorAll( '.embed-privacy-provider:not(.is-hidden)' ); |
| 193 |
|
| 194 |
// remove the container completely if there is no provider to display |
| 195 |
if ( ! showAll && ! nonHiddenProviders.length ) { |
| 196 |
optOutContainer.remove(); |
| 197 |
} |
| 198 |
} |
| 199 |
|
| 200 |
/** |
| 201 |
* Clicking on an overlay. |
| 202 |
* |
| 203 |
* @since 1.2.0 |
| 204 |
* |
| 205 |
* @param {element} target Target element |
| 206 |
*/ |
| 207 |
function overlayClick( target ) { |
| 208 |
var embedContainer = target.parentNode; |
| 209 |
var embedContent = target.nextElementSibling; |
| 210 |
|
| 211 |
embedContainer.classList.remove( 'is-disabled' ); |
| 212 |
embedContainer.classList.add( 'is-enabled' ); |
| 213 |
// hide the embed overlay |
| 214 |
target.style.display = 'none'; |
| 215 |
// get stored content from JavaScript |
| 216 |
var embedObject = JSON.parse( window[ '_' + target.parentNode.getAttribute( 'data-embed-id' ) ] ); |
| 217 |
|
| 218 |
embedContent.innerHTML = htmlentities_decode( embedObject.embed ); |
| 219 |
|
| 220 |
// reset wrapper inline CSS set in setMinHeight() |
| 221 |
var wrapper = embedContainer.parentNode; |
| 222 |
|
| 223 |
if ( wrapper.classList.contains( 'wp-block-embed__wrapper' ) ) { |
| 224 |
wrapper.style.removeProperty( 'height' ); |
| 225 |
} |
| 226 |
|
| 227 |
// get all script tags inside the embed |
| 228 |
var scriptTags = embedContent.querySelectorAll( 'script' ); |
| 229 |
|
| 230 |
// insert every script tag inside the embed as a new script |
| 231 |
// to execute it |
| 232 |
for ( var n = 0; n < scriptTags.length; n++ ) { |
| 233 |
var element = document.createElement( 'script' ); |
| 234 |
|
| 235 |
if ( scriptTags[ n ].src ) { |
| 236 |
// if script tag has a src attribute |
| 237 |
element.src = scriptTags[ n ].src; |
| 238 |
} |
| 239 |
else { |
| 240 |
// if script tag has content |
| 241 |
element.innerHTML = scriptTags[ n ].innerHTML; |
| 242 |
} |
| 243 |
|
| 244 |
// append it to body |
| 245 |
embedContent.appendChild( element ); |
| 246 |
} |
| 247 |
|
| 248 |
if ( typeof jQuery !== 'undefined' ) { |
| 249 |
const videoShortcode = jQuery( '.wp-video-shortcode' ); |
| 250 |
|
| 251 |
if ( videoShortcode.length ) { |
| 252 |
videoShortcode.mediaelementplayer(); |
| 253 |
} |
| 254 |
} |
| 255 |
} |
| 256 |
|
| 257 |
/** |
| 258 |
* Calculate min height of the embed wrapper depending of the overlay content. |
| 259 |
*/ |
| 260 |
function setMinHeight() { |
| 261 |
for ( var i = 0; i < overlays.length; i++ ) { |
| 262 |
var wrapper = overlays[ i ].parentNode.parentNode; |
| 263 |
|
| 264 |
if ( ! wrapper.classList.contains( 'wp-block-embed__wrapper' ) ) { |
| 265 |
continue; |
| 266 |
} |
| 267 |
|
| 268 |
wrapper.style.removeProperty( 'height' ); |
| 269 |
|
| 270 |
if ( wrapper.offsetHeight < overlays[ i ].offsetHeight ) { |
| 271 |
wrapper.style.height = overlays[ i ].offsetHeight + 'px'; |
| 272 |
} |
| 273 |
} |
| 274 |
} |
| 275 |
} ); |
| 276 |
|
| 277 |
/** |
| 278 |
* Get a cookie. |
| 279 |
* |
| 280 |
* @link https://stackoverflow.com/a/24103596/3461955 |
| 281 |
* |
| 282 |
* @param {string} name The name of the cookie |
| 283 |
*/ |
| 284 |
function get_cookie( name ) { |
| 285 |
var nameEQ = name + '='; |
| 286 |
var ca = document.cookie.split( ';' ); |
| 287 |
for ( var i = 0; i < ca.length; i++ ) { |
| 288 |
var c = ca[ i ]; |
| 289 |
while ( c.charAt( 0 ) == ' ' ) c = c.substring( 1, c.length ); |
| 290 |
if ( c.indexOf( nameEQ ) == 0 ) return c.substring( nameEQ.length, c.length ); |
| 291 |
} |
| 292 |
return null; |
| 293 |
} |
| 294 |
|
| 295 |
/** |
| 296 |
* Decode a string with HTML entities. |
| 297 |
* |
| 298 |
* @param {string} content The content to decode |
| 299 |
* @return {string} The decoded content |
| 300 |
*/ |
| 301 |
function htmlentities_decode( content ) { |
| 302 |
var textarea = document.createElement( 'textarea' ); |
| 303 |
|
| 304 |
textarea.innerHTML = content; |
| 305 |
|
| 306 |
return textarea.value; |
| 307 |
} |
| 308 |
|
| 309 |
/** |
| 310 |
* Remove a cookie. |
| 311 |
* |
| 312 |
* @link https://stackoverflow.com/a/24103596/3461955 |
| 313 |
* |
| 314 |
* @param {string} name The name of the cookie |
| 315 |
*/ |
| 316 |
function remove_cookie( name ) { |
| 317 |
document.cookie = name + '=; expires=0; path=/'; |
| 318 |
} |
| 319 |
|
| 320 |
/** |
| 321 |
* Set a cookie. |
| 322 |
* |
| 323 |
* @link https://stackoverflow.com/a/24103596/3461955 |
| 324 |
* |
| 325 |
* @param {string} name The name of the cookie |
| 326 |
* @param {string} value The value of the cookie |
| 327 |
* @param {number} days The expiration in days |
| 328 |
*/ |
| 329 |
function set_cookie( name, value, days ) { |
| 330 |
var expires = ''; |
| 331 |
if ( days ) { |
| 332 |
var date = new Date(); |
| 333 |
date.setTime( date.getTime() + ( days * 24 * 60 * 60 * 1000 ) ); |
| 334 |
expires = '; expires=' + date.toUTCString(); |
| 335 |
} |
| 336 |
document.cookie = name + '=' + ( value || '' ) + expires + '; path=/'; |
| 337 |
} |
| 338 |
|
