The Tor Browser: dom/browser-element/mochitest/browserElement_Metachange.js@7e26c7da4463 (annotated)

dom/browser-element/mochitest/browserElement_Metachange.js@7e26c7da4463 (annotated)

dom/browser-element/mochitest/browserElement_Metachange.js

Wed, 31 Dec 2014 06:55:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:55:50 +0100
changeset 2: 7e26c7da4463
permissions: -rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

 /* Any copyright is dedicated to the public domain.
    http://creativecommons.org/publicdomain/zero/1.0/ */
 // Test that the onmozbrowsermetachange event works.
 "use strict";
 SimpleTest.waitForExplicitFinish();
 browserElementTestHelpers.setEnabledPref(true);
 browserElementTestHelpers.addPermission();
 function createHtml(meta) {
   return 'data:text/html,<html xmlns:xml="http://www.w3.org/XML/1998/namespace"><head>' + meta + '<body></body></html>';
 }
 function createHtmlWithLang(meta, lang) {
   return 'data:text/html,<html xmlns:xml="http://www.w3.org/XML/1998/namespace" lang="' + lang + '"><head>' + meta + '<body></body></html>';
 }
 function createMeta(name, content) {
   return '<meta name="' + name + '" content="' + content + '">';
 }
 function createMetaWithLang(name, content, lang) {
   return '<meta name="' + name + '" content="' + content + '" lang="' + lang + '">';
 }
 function runTest() {
   var iframe1 = document.createElement('iframe');
   SpecialPowers.wrap(iframe1).mozbrowser = true;
   document.body.appendChild(iframe1);
   // iframe2 is a red herring; we modify its meta elements but don't listen for
   // metachanges; we want to make sure that its metachange events aren't
   // picked up by the listener on iframe1.
   var iframe2 = document.createElement('iframe');
   SpecialPowers.wrap(iframe2).mozbrowser = true;
   document.body.appendChild(iframe2);
   // iframe3 is another red herring.  It's not a mozbrowser, so we shouldn't
   // get any metachange events on it.
   var iframe3 = document.createElement('iframe');
   document.body.appendChild(iframe3);
   var numMetaChanges = 0;
   iframe1.addEventListener('mozbrowsermetachange', function(e) {
     numMetaChanges++;
     if (numMetaChanges == 1) {
       is(e.detail.name, 'application-name');
       is(e.detail.content, 'foobar');
       // We should recieve metachange events when the user creates new metas
       SpecialPowers.getBrowserFrameMessageManager(iframe1)
                    .loadFrameScript("data:,content.document.title='New title';",
                                     /* allowDelayedLoad = */ false);
       SpecialPowers.getBrowserFrameMessageManager(iframe1)
                    .loadFrameScript("data:,content.document.head.insertAdjacentHTML('beforeend', '<meta name=application-name content=new_foobar>')",
                                     /* allowDelayedLoad = */ false);
       SpecialPowers.getBrowserFrameMessageManager(iframe2)
                    .loadFrameScript("data:,content.document.head.insertAdjacentHTML('beforeend', '<meta name=application-name content=new_foobar>')",
                                     /* allowDelayedLoad = */ false);
     }
     else if (numMetaChanges == 2) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, 'new_foobar', 'content matches');
       ok(!("lang" in e.detail), 'lang not present');
       // Full new pages should trigger metachange events
       iframe1.src = createHtml(createMeta('application-name', '3rd_foobar'));
     }
     else if (numMetaChanges == 3) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, '3rd_foobar', 'content matches');
       ok(!("lang" in e.detail), 'lang not present');
       // Test setting a page with multiple meta elements
       iframe1.src = createHtml(createMeta('application-name', 'foobar_1') + createMeta('application-name', 'foobar_2'));
     }
     else if (numMetaChanges == 4) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, 'foobar_1', 'content matches');
       ok(!("lang" in e.detail), 'lang not present');
       // 2 events will be triggered by previous test, wait for next
     }
     else if (numMetaChanges == 5) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, 'foobar_2', 'content matches');
       ok(!("lang" in e.detail), 'lang not present');
       // Test the language
       iframe1.src = createHtml(createMetaWithLang('application-name', 'foobar_lang_1', 'en'));
     }
     else if (numMetaChanges == 6) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, 'foobar_lang_1', 'content matches');
       is(e.detail.lang, 'en', 'language matches');
       // Test the language in the ancestor element
       iframe1.src = createHtmlWithLang(createMeta('application-name', 'foobar_lang_2'), 'es');
     }
     else if (numMetaChanges == 7) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, 'foobar_lang_2', 'content matches');
       is(e.detail.lang, 'es', 'language matches');
       // Test the language in the ancestor element
       iframe1.src = createHtmlWithLang(createMetaWithLang('application-name', 'foobar_lang_3', 'it'), 'fi');
     }
     else if (numMetaChanges == 8) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, 'foobar_lang_3', 'content matches');
       is(e.detail.lang, 'it', 'language matches');
       // Test the content-language
       iframe1.src = "http://test/tests/dom/browser-element/mochitest/file_browserElement_Metachange.sjs?ru";
     }
     else if (numMetaChanges == 9) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, 'sjs', 'content matches');
       is(e.detail.lang, 'ru', 'language matches');
       // Test the content-language
       iframe1.src = "http://test/tests/dom/browser-element/mochitest/file_browserElement_Metachange.sjs?ru|dk";
     }
     else if (numMetaChanges == 10) {
       is(e.detail.name, 'application-name', 'name matches');
       is(e.detail.content, 'sjs', 'content matches');
       is(e.detail.lang, 'dk', 'language matches');
       // Test the language
       SimpleTest.finish();
     } else {
       ok(false, 'Too many metachange events.');
     }
   });
   iframe3.addEventListener('mozbrowsermetachange', function(e) {
     ok(false, 'Should not get a metachange event for iframe3.');
   });
   iframe1.src = createHtml(createMeta('application-name', 'foobar'));
   // We should not recieve meta change events for either of the below iframes
   iframe2.src = createHtml(createMeta('application-name', 'foobar'));
   iframe3.src = createHtml(createMeta('application-name', 'foobar'));
 }
 addEventListener('testready', runTest);