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1 function offsetFromViewportTop(element) | 1 function offsetFromViewportTop(element) |
2 { | 2 { |
3 return element.getClientRects()[0].top; | 3 return element.getClientRects()[0].top; |
4 } | 4 } |
5 | 5 |
6 function offsetOfMiddleFromViewportTop(element) | 6 function offsetOfMiddleFromViewportTop(element) |
7 { | 7 { |
8 return element.getClientRects()[0].top + Math.round(element.getClientRects()
[0].height / 2); | 8 return element.getClientRects()[0].top + Math.round(element.getClientRects()
[0].height / 2); |
9 } | 9 } |
10 | 10 |
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66 } | 66 } |
67 | 67 |
68 function performJumpAtTheEdgeTest(useCtrlKeyModifier) | 68 function performJumpAtTheEdgeTest(useCtrlKeyModifier) |
69 { | 69 { |
70 var textArea = document.getElementById("input"); | 70 var textArea = document.getElementById("input"); |
71 textArea.focus(); | 71 textArea.focus(); |
72 if (window.eventSender) { | 72 if (window.eventSender) { |
73 var previousScrollTop = 0, currentScrollTop = 0; | 73 var previousScrollTop = 0, currentScrollTop = 0; |
74 var jumpDetected = false; | 74 var jumpDetected = false; |
75 for (var i = 0; i < 120; ++i) { | 75 for (var i = 0; i < 120; ++i) { |
76 previousScrollTop = document.body.scrollTop; | 76 previousScrollTop = document.documentElement.scrollTop; |
77 eventSender.keyDown("\r", useCtrlKeyModifier ? ["ctrlKey"] : []); | 77 eventSender.keyDown("\r", useCtrlKeyModifier ? ["ctrlKey"] : []); |
78 currentScrollTop = document.body.scrollTop; | 78 currentScrollTop = document.documentElement.scrollTop; |
79 // Smooth scrolls are allowed. | 79 // Smooth scrolls are allowed. |
80 if (Math.abs(previousScrollTop - currentScrollTop) > 24) { | 80 if (Math.abs(previousScrollTop - currentScrollTop) > 24) { |
81 jumpDetected = true; | 81 jumpDetected = true; |
82 break; | 82 break; |
83 } | 83 } |
84 } | 84 } |
85 if (!jumpDetected) | 85 if (!jumpDetected) |
86 document.write("PASS"); | 86 document.write("PASS"); |
87 else | 87 else |
88 document.write("FAIL<br>Jump scroll from " + previousScrollTop + " t
o " + currentScrollTop); | 88 document.write("FAIL<br>Jump scroll from " + previousScrollTop + " t
o " + currentScrollTop); |
89 } | 89 } |
90 } | 90 } |
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