third_party/WebKit/LayoutTests/resize-observer/resources/iframe.html - Issue 2242773003: Revert of ResizeObserver pt6: integration

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

Issue 2242773003: Revert of ResizeObserver pt6: integration (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: 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

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

11

12 function test0() {

13

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

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

16 }, ResizeTestHelper.TIMEOUT);

17

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

19 window.clearTimeout(timeoutId);

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

21 });

22

23 ro.observe(t1);

24 }

25

26 let testStarted = false;

27

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

29 switch(ev.data) {

30 case 'startTest':

31 testStarted = true;

32 test0();

33 break;

34 }

35 });

36

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

38 // broadcasting readyToTest message.

39 function broadcastReady() {

40 if (!testStarted) {

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

42 window.requestAnimationFrame(broadcastReady);

43 }

44 }

45

46 broadcastReady();

47 </script>

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