third_party/WebKit/LayoutTests/fast/dom/viewport/scroll-resize-events-fired.html - Issue 2101393002: Make visualViewport.scrollTop/Left readonly.

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Issue 2101393002: Make visualViewport.scrollTop/Left readonly. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: 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 function verifySetViewportOffsets() {

23 // Set viewport offset.

24 window.visualViewport.scrollTop = 20;

25 requestAnimationFrame(function() {

26 t.step(function() {

27 assert_equals(numCallsScroll, 2, "scroll listener called for scrollTop") ;

28 assert_equals(numCallsResize, 1, "resize listener not called for scrollT op");

29 });

30 window.visualViewport.scrollLeft = 0;

31 requestAnimationFrame(function() {

32 t.step(function() {

33 assert_equals(numCallsScroll, 3, "scroll listener called for scrollLef t");

34 assert_equals(numCallsResize, 1, "resize listener not called for scrol lLeft");

35 });

36 t.done();

37 });

38 });

39 }

40

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

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

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

44	25

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

46 numCallsScroll++;	27 numCallsScroll++;

47 });	28 });

48	29

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

50 numCallsResize++;	31 numCallsResize++;

(...skipping 14 matching lines...) Expand all Loading...
65 t.step(function() {	46 t.step(function() {

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

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

68 });	49 });

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

70 requestAnimationFrame(function() {	51 requestAnimationFrame(function() {

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

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

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

74 });	55 });

75 verifySetViewportOffsets();	56 t.done();

76 });	57 });

77 });	58 });

78 });	59 });

79 </script>	60 </script>

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