third_party/WebKit/LayoutTests/resize-observer/resources/iframe.html - Issue 2204503002: ResizeObserver pt6: integration

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Side by Side Diff: third_party/WebKit/LayoutTests/resize-observer/resources/iframe.html

Issue 2204503002: ResizeObserver pt6: integration (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Restore missing code that was blown away by rebase Created 4 years, 4 months ago

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	1 <!doctype html>

	2 <head>

	3 <script src="./resizeTestHelper.js"></script>

	4 </head>

	5 <p>iframe test</p>

	6 <div id="itarget1" style="width:100px;height:100px;">t1</div>

	7 <script>

	8 'use strict';

	9 let t1 = document.querySelector('#itarget1');

	10 function test0() {

	11 let timeoutId = window.setTimeout( () => {

	12 window.parent.postMessage('fail', '*');

	13 }, ResizeTestHelper.TIMEOUT);

	14 let ro = new ResizeObserver(function(entries) {

	15 window.clearTimeout(timeoutId);

	16 window.parent.postMessage('success', '*');

	17 });

	18 ro.observe(t1);

	19 }

	20 let testStarted = false;

	21 window.addEventListener('message', function(ev) {

	22 switch(ev.data) {

	23 case 'startTest':

	24 testStarted = true;

	25 test0();

	26 break;

	27 }

	28 });

	29 // How does parent know we've loaded problem is solved by

	30 // broadcasting readyToTest message.

	31 function broadcastReady() {

	32 if (!testStarted) {

	33 window.parent.postMessage('readyToTest', '*');

	34 window.requestAnimationFrame(broadcastReady);

	35 }

	36 }

	37 broadcastReady();

	38 </script>

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