dom/browser-element/mochitest/browserElement_Titlechange.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

michael@0 1 /* Any copyright is dedicated to the public domain.
michael@0 2 http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0 3
michael@0 4 // Test that the onmozbrowsertitlechange event works.
michael@0 5 "use strict";
michael@0 6
michael@0 7 SimpleTest.waitForExplicitFinish();
michael@0 8 browserElementTestHelpers.setEnabledPref(true);
michael@0 9 browserElementTestHelpers.addPermission();
michael@0 10
michael@0 11 function runTest() {
michael@0 12 var iframe1 = document.createElement('iframe');
michael@0 13 SpecialPowers.wrap(iframe1).mozbrowser = true;
michael@0 14 document.body.appendChild(iframe1);
michael@0 15
michael@0 16 // iframe2 is a red herring; we modify its title but don't listen for
michael@0 17 // titlechanges; we want to make sure that its titlechange events aren't
michael@0 18 // picked up by the listener on iframe1.
michael@0 19 var iframe2 = document.createElement('iframe');
michael@0 20 SpecialPowers.wrap(iframe2).mozbrowser = true;
michael@0 21 document.body.appendChild(iframe2);
michael@0 22
michael@0 23 // iframe3 is another red herring. It's not a mozbrowser, so we shouldn't
michael@0 24 // get any titlechange events on it.
michael@0 25 var iframe3 = document.createElement('iframe');
michael@0 26 document.body.appendChild(iframe3);
michael@0 27
michael@0 28 var numTitleChanges = 0;
michael@0 29
michael@0 30 iframe1.addEventListener('mozbrowsertitlechange', function(e) {
michael@0 31 // Ignore empty titles; these come from about:blank.
michael@0 32 if (e.detail == '')
michael@0 33 return;
michael@0 34
michael@0 35 numTitleChanges++;
michael@0 36
michael@0 37 if (numTitleChanges == 1) {
michael@0 38 is(e.detail, 'Title');
michael@0 39 SpecialPowers.getBrowserFrameMessageManager(iframe1)
michael@0 40 .loadFrameScript("data:,content.document.title='New title';",
michael@0 41 /* allowDelayedLoad = */ false);
michael@0 42 SpecialPowers.getBrowserFrameMessageManager(iframe2)
michael@0 43 .loadFrameScript("data:,content.document.title='BAD TITLE 2';",
michael@0 44 /* allowDelayedLoad = */ false);
michael@0 45 }
michael@0 46 else if (numTitleChanges == 2) {
michael@0 47 is(e.detail, 'New title');
michael@0 48 iframe1.src = 'data:text/html,<html><head><title>Title 3</title></head><body></body></html>';
michael@0 49 }
michael@0 50 else if (numTitleChanges == 3) {
michael@0 51 is(e.detail, 'Title 3');
michael@0 52 SimpleTest.finish();
michael@0 53 }
michael@0 54 else {
michael@0 55 ok(false, 'Too many titlechange events.');
michael@0 56 }
michael@0 57 });
michael@0 58
michael@0 59 iframe3.addEventListener('mozbrowsertitlechange', function(e) {
michael@0 60 ok(false, 'Should not get a titlechange event for iframe3.');
michael@0 61 });
michael@0 62
michael@0 63 iframe1.src = 'data:text/html,<html><head><title>Title</title></head><body></body></html>';
michael@0 64 iframe2.src = 'data:text/html,<html><head><title>BAD TITLE</title></head><body></body></html>';
michael@0 65 iframe3.src = 'data:text/html,<html><head><title>SHOULD NOT GET EVENT</title></head><body></body></html>';
michael@0 66 }
michael@0 67
michael@0 68 addEventListener('testready', runTest);

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