third_party/WebKit/LayoutTests/fast/dom/viewport/visualviewportchanged-event-fired.html - Issue 2096783004: Seperate visualviewportchanged event into scroll and resize events

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Issue 2096783004: Seperate visualviewportchanged event into scroll and resize events (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: fix crash + tests Created 4 years, 5 months ago

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1 <!DOCTYPE html>

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

3 <style>

4 body {

5 height: 2000px;

6 width: 2000px;

7 }

8 </style>

9

10 <script>

11 window.jsTestIsAsync = true;

12 var numCalls = 0;

13

14 description("This test verifies that that visualviewportchanged event gets \

15 fired when the visual viewport is scaled or scrolled.");

16

17 function verifySetViewportOffsets() {

18 // Set viewport offset. Listener called twice.

19 window.visualViewport.scrollTop = 20;

20 requestAnimationFrame(function() {

21 shouldBe("numCalls", "3");

22 window.visualViewport.scrollLeft = 0;

23 requestAnimationFrame(function() {

24 shouldBe("numCalls", "4");

25 finishJSTest();

26 });

27 });

28 }

29

30 function runTest() {

31 if (!window.eventSender \|\| !window.internals) {

32 finishJSTest();

33 return;

34 }

35 // Turn off smooth scrolling.

36 internals.settings.setScrollAnimatorEnabled(false);

37

38 window.addEventListener('visualviewportchanged', function(e) {

39 numCalls++;

40 });

41

42 // Scroll both viewports. Listner not called.

43 eventSender.mouseMoveTo(100, 100);

44 eventSender.continuousMouseScrollBy(100, 100);

45 shouldBe("numCalls", "0");

46

47 // Scale and scroll visual viewport. Listener called twice.

48 internals.setPageScaleFactor(2);

49 requestAnimationFrame(function() {

50 shouldBe("numCalls", "1");

51 internals.setVisualViewportOffset(10, 10);

52 requestAnimationFrame(function() {

53 shouldBe("numCalls", "2");

54 verifySetViewportOffsets();

55 });

56 });

57 }

58 </script>

59

60 <body onload="runTest()"></body>

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