third_party/WebKit/LayoutTests/fast/dom/viewport/scroll-resize-events-fired.html - Issue 2108953002: Add onscroll/onresize EventHandler support to ViewportAPI

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Issue 2108953002: Add onscroll/onresize EventHandler support to ViewportAPI (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: added tests Created 4 years, 5 months ago

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

2 <style>	2 <style>

3 body {	3 body {

4 height: 2000px;	4 height: 2000px;

5 width: 2000px;	5 width: 2000px;

6 }	6 }

7 </style>	7 </style>

8	8

9 <script src="../../../resources/testharness.js"></script>	9 <script src="../../../resources/testharness.js"></script>

10 <script src="../../../resources/testharnessreport.js"></script>	10 <script src="../../../resources/testharnessreport.js"></script>

11 <script>	11 <script>

12 var numCallsScroll = 0;	12 var numCallsScroll = 0;

13 var numCallsResize = 0;	13 var numCallsResize = 0;

14 var pageScaleFactor = 2;	14 var pageScaleFactor = 2;

15	15

16 function viewport() {	16 function viewport() {

17 return window.visualViewport;	17 return window.visualViewport;

18 }	18 }

19	19

20 var t = async_test('verify that the scroll and resize events get fired on wind ow.visualViewport');	20 var t = async_test('verify that the scroll and resize events get fired on wind ow.visualViewport');

21	21

22 window.onload = t.step_func(function() {	22 window.onload = t.step_func(function() {

23 // Turn off smooth scrolling.	23 // Turn off smooth scrolling.

24 internals.settings.setScrollAnimatorEnabled(false);	24 internals.settings.setScrollAnimatorEnabled(false);

25	25

26 window.visualViewport.addEventListener('scroll', function(e) {	26 window.visualViewport.onscroll = function() {

27 numCallsScroll++;	27 numCallsScroll++;

28 });	28 }

29	29 window.visualViewport.onresize = function() {

30 window.visualViewport.addEventListener('resize', function(e) {

31 numCallsResize++;	30 numCallsResize++;

32 });	31 }

33	32

34 // Scroll both viewports.	33 // Scroll both viewports.

35 eventSender.mouseMoveTo(100, 100);	34 eventSender.mouseMoveTo(100, 100);

36 eventSender.continuousMouseScrollBy(100, 100);	35 eventSender.continuousMouseScrollBy(100, 100);

37 assert_equals(numCallsScroll, 0);	36 assert_equals(numCallsScroll, 0);

38 assert_equals(numCallsResize, 0);	37 assert_equals(numCallsResize, 0);

39	38

40 // TODO(ymalik): Remove hook to internals to pinch-zoom here and browser	39 // TODO(ymalik): Remove hook to internals to pinch-zoom here and browser

41 // zoom below. This will be required to upstream to w3c repo.	40 // zoom below. This will be required to upstream to w3c repo.

42 internals.setPageScaleFactor(pageScaleFactor);	41 internals.setPageScaleFactor(pageScaleFactor);

43	42

44 // Verify viewport dimensions exclude scrollbar.	43 // Verify viewport dimensions exclude scrollbar.

45 requestAnimationFrame(function() {	44 requestAnimationFrame(function() {

46 t.step(function() {	45 t.step(function() {

47 assert_equals(numCallsScroll, 0, "scroll listener not called for scale") ;	46 assert_equals(numCallsScroll, 0, "scroll listener not called for scale") ;

48 assert_equals(numCallsResize, 1, "resize listener called for scale");	47 assert_equals(numCallsResize, 1, "resize listener called for scale");

49 });	48 });

50 internals.setVisualViewportOffset(10, 10);	49 internals.setVisualViewportOffset(10, 10);

51 requestAnimationFrame(function() {	50 requestAnimationFrame(function() {

52 t.step(function() {	51 t.step(function() {

53 assert_equals(numCallsScroll, 1, "scroll listener called for offset ch ange");	52 assert_equals(numCallsScroll, 1, "scroll listener called for offset ch ange");

54 assert_equals(numCallsResize, 1, "resize listener not called for offse t change");	53 assert_equals(numCallsResize, 1, "resize listener not called for offse t change");

55 });	54 });

56 t.done();	55 t.done();

57 });	56 });

58 });	57 });

59 });	58 });

60 </script>	59 </script>

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