LayoutTests/fast/media/media-query-list-listener-ordering.html - Issue 337883003: Call media query change listeners asynchronously.

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Side by Side Diff: LayoutTests/fast/media/media-query-list-listener-ordering.html

Issue 337883003: Call media query change listeners asynchronously. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: fix typo Created 6 years, 5 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <script src="../../resources/js-test.js"></script>	2 <script src="../../resources/js-test.js"></script>

3	3

4 <div id="sandbox"></div>	4 <div id="sandbox"></div>

5	5

6 <script>	6 <script>

7 description("Media query listeners should fire grouped by the MediaQueryList .");	7 description("Media query listeners should fire grouped by the MediaQueryList .");

	8 var jsTestIsAsync = true;

8	9

9 var sandbox = document.getElementById("sandbox");	10 var sandbox = document.getElementById("sandbox");

10 var iframe = document.createElement("iframe");	11 var iframe = document.createElement("iframe");

11 sandbox.appendChild(iframe);	12 sandbox.appendChild(iframe);

12	13

13 var matchMedia = iframe.contentWindow.matchMedia;	14 var matchMedia = iframe.contentWindow.matchMedia;

14 var mediaList1 = matchMedia("(max-width: 100px)");	15 var mediaList1 = matchMedia("(max-width: 100px)");

15 var mediaList2 = matchMedia("(max-width: 100px)");	16 var mediaList2 = matchMedia("(max-width: 100px)");

16 var mediaList3 = matchMedia("(max-width: 100px)");	17 var mediaList3 = matchMedia("(max-width: 100px)");

17	18

18 var listenersCalled = [];	19 var listenersCalled = [];

19	20

20 function makeListener(label) {	21 function makeListener(label) {

21 return function() { listenersCalled.push(label); };	22 return function() { listenersCalled.push(label); };

22 }	23 }

23	24

24 mediaList3.addListener(makeListener("mediaList3_1"));	25 mediaList3.addListener(makeListener("mediaList3_1"));

25 mediaList2.addListener(makeListener("mediaList2_1"));	26 mediaList2.addListener(makeListener("mediaList2_1"));

26 mediaList1.addListener(makeListener("mediaList1_1"));	27 mediaList1.addListener(makeListener("mediaList1_1"));

27 mediaList2.addListener(makeListener("mediaList2_2"));	28 mediaList2.addListener(makeListener("mediaList2_2"));

28	29 mediaList3.addListener(verifyResult);

29 // FIXME: You shouldn't need to touch offsetTop to force these updates.

30	30

31 iframe.style.width = "200px";	31 iframe.style.width = "200px";

32 iframe.offsetTop;

33	32

34 var expectedResult = ["mediaList1_1", "mediaList2_1", "mediaList2_2", "media List3_1"];	33 var expectedResult = ["mediaList1_1", "mediaList2_1", "mediaList2_2", "media List3_1"];

35 shouldBe("listenersCalled", "expectedResult");	34 function verifyResult() {

	35 shouldBe("listenersCalled", "expectedResult");

	36 finishJSTest();

	37 }

36 </script>	38 </script>

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