tor-browser

common.js (7206B)

---

"use strict";

const HTML5_ELEMENTS = [
 'a',        'abbr',     'address',  'area',     'article',    'aside',
 'audio',    'b',        'base',     'bdi',      'bdo',        'blockquote',
 'body',     'br',       'button',   'canvas',   'caption',    'cite',
 'code',     'col',      'colgroup', 'data',     'datalist',   'dd',
 'del',      'details',  'dfn',      'dialog',   'div',        'dl',
 'dt',       'em',       'embed',    'fieldset', 'figcaption', 'figure',
 'footer',   'form',     'h1',       'h2',       'h3',         'h4',
 'h5',       'h6',       'head',     'header',   'hr',         'html',
 'i',        'iframe',   'img',      'input',    'ins',        'kbd',
 'label',    'legend',   'li',       'link',     'main',       'map',
 'mark',     'menu',     'meta',     'meter',    'nav',        'noscript',
 'object',   'ol',       'optgroup', 'option',   'output',     'p',
 'param',    'pre',      'progress', 'q',        'rp',         'rt',
 'ruby',     's',        'samp',     'script',   'section',    'select',
 'slot',     'small',    'source',   'span',     'strong',     'style',
 'sub',      'sup',      'summary',  'table',    'tbody',      'td',
 'template', 'textarea', 'tfoot',    'th',       'thead',      'time',
 'title',    'tr',       'track',    'u',        'ul',         'var',
 'video',    'wbr'
];

// only void (without end tag) HTML5 elements
var HTML5_VOID_ELEMENTS = [
 'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'link', 'meta',
 'param', 'source', 'track', 'wbr'
];

// https://html.spec.whatwg.org/multipage/multipage/forms.html#form-associated-element
var HTML5_FORM_ASSOCIATED_ELEMENTS = [ 'button', 'fieldset', 'input',
       'object', 'output', 'select', 'textarea' ];

// https://html.spec.whatwg.org/#category-label
const HTML5_LABELABLE_ELEMENTS = [
 'button', 'input', 'meter', 'output', 'progress', 'select', 'textarea'
];

const HTML5_SHADOW_ALLOWED_ELEMENTS = [
 'article', 'aside', 'blockquote', 'body', 'div', 'footer', 'h1', 'h2', 'h3',
 'h4', 'h5', 'h6', 'header', 'main', 'nav', 'p', 'section', 'span'
];

const HTML5_SHADOW_DISALLOWED_ELEMENTS =
   HTML5_ELEMENTS.filter(el => !HTML5_SHADOW_ALLOWED_ELEMENTS.includes(el));

// These are *deprecated/removed* HTML5 element names.
const HTML5_DEPRECATED_ELEMENTS = [
 'acronym',  'applet',  'basefont', 'bgsound',  'big',       'blink',
 'center',   'command', 'content',  'dir',      'font',      'frame',
 'frameset', 'hgroup',  'image',    'isindex',  'keygen',    'marquee',
 'menuitem', 'nobr',    'noembed',  'noframes', 'plaintext', 'rb',
 'rtc',      'shadow',  'spacer',   'strike',   'tt',        'xmp'
];

const HTML5_INPUT_TYPES = [
 'hidden', 'text', 'search', 'tel', 'url', 'email', 'password', 'date',
 'time', 'datetime-local', 'number', 'range', 'color', 'checkbox', 'radio',
 'file', 'submit', 'image', 'reset', 'button'
];

function newDocument() {
   var d = document.implementation.createDocument();
   return d;
}

function newHTMLDocument() {
   var d = document.implementation.createHTMLDocument('Test Document');
   return d;
}

function newXHTMLDocument() {
   var doctype = document.implementation.createDocumentType('html',
           '-//W3C//DTD XHTML 1.0 Transitional//EN',
           'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd');

   var d = document.implementation.createDocument(
           'http://www.w3.org/1999/xhtml', 'html', doctype);
   return d;
}

function newIFrame(context, src) {
   if (typeof (context) === 'undefined'
           || typeof (context.iframes) !== 'object') {
       assert_unreached('Illegal context object in newIFrame');
   }

   var iframe = document.createElement('iframe');

   if (typeof (src) != 'undefined') {
       iframe.src = src;
   }
   document.body.appendChild(iframe);
   context.iframes.push(iframe);

   assert_true(typeof (iframe.contentWindow) != 'undefined'
           && typeof (iframe.contentWindow.document) != 'undefined'
           && iframe.contentWindow.document != document,
           'Failed to create new rendered document');
   return iframe;
}

function newRenderedHTMLDocument(context) {
   var frame = newIFrame(context);
   var d = frame.contentWindow.document;
   return d;
}

function newContext() {
   return {
       iframes : []
   };
}

function cleanContext(context) {
   context.iframes.forEach(function(e) {
       e.parentNode.removeChild(e);
   });
}

// run given test function in context
// the context is cleaned up after test completes.
function inContext(f) {
   return function() {
       var context = newContext();
       try {
           f(context);
       } finally {
           cleanContext(context);
       }
   };
}

// new context and iframe are created and url (if supplied) is asigned to
// iframe.src
// function f is bound to the iframe onload event or executed directly after
// iframe creation
// the context is passed to function as argument
function testInIFrame(url, f, testName, testProps) {
   if (url) {
       var t = async_test(testName);
       t.step(function() {
           var context = newContext();
           var iframe = newIFrame(context, url);
           iframe.onload = t.step_func(function() {
               try {
                   f(context);
                   t.done();
               } finally {
                   cleanContext(context);
               }
           });
       });
   } else {
       test(inContext(function(context) {
           newRenderedHTMLDocument(context);
           f(context);
       }), testName);
   }
}

function assert_nodelist_contents_equal_noorder(actual, expected, message) {
   assert_equals(actual.length, expected.length, message);
   var used = [];
   for ( var i = 0; i < expected.length; i++) {
       used.push(false);
   }
   for (i = 0; i < expected.length; i++) {
       var found = false;
       for ( var j = 0; j < actual.length; j++) {
           if (used[j] == false && expected[i] == actual[j]) {
               used[j] = true;
               found = true;
               break;
           }
       }
       if (!found) {
           assert_unreached(message + ". Fail reason:  element not found: "
                   + expected[i]);
       }
   }
}

function isVoidElement(elementName) {
   return HTML5_VOID_ELEMENTS.indexOf(elementName) >= 0;
}

function checkTemplateContent(d, obj, html, id, nodeName) {

   obj.innerHTML = '<template id="tmpl">' + html + '</template>';

   var t = d.querySelector('#tmpl');

   if (id != null) {
       assert_equals(t.content.childNodes.length, 1, 'Element ' + nodeName
               + ' should present among template nodes');
       assert_equals(t.content.firstChild.id, id, 'Wrong element ID');
   }
   if (nodeName != null) {
       assert_equals(t.content.firstChild.nodeName, nodeName.toUpperCase(),
               'Wrong node name');
   }
}

function checkBodyTemplateContent(d, html, id, nodeName) {
   checkTemplateContent(d, d.body, html, id, nodeName);
}

function checkHeadTemplateContent(d, html, id, nodeName) {
   checkTemplateContent(d, d.head, html, id, nodeName);
}