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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src="../../resources/js-test.js"></script> |
| 3 <style> |
| 4 #target { |
| 5 width: 2000px; |
| 6 height: 1500px; |
| 7 } |
| 8 </style> |
| 9 <script> |
| 10 var numScrollsReceived = 0; |
| 11 var numRAFCalls = 0; |
| 12 if (window.testRunner && window.internals) { |
| 13 window.jsTestIsAsync = true; |
| 14 testRunner.dumpAsText(); |
| 15 testRunner.waitUntilDone(); |
| 16 setPrintTestResultsLazily(); |
| 17 } |
| 18 |
| 19 description("This test ensures that scrolling the visual viewport doesn't\ |
| 20 trigger an onscroll event."); |
| 21 |
| 22 function runTest() { |
| 23 if (!window.testRunner || !window.internals) { |
| 24 testFailed("This test requires test runner and internals") |
| 25 finishJSTest(); |
| 26 return; |
| 27 } |
| 28 |
| 29 window.internals.setPageScaleFactor(2.0); |
| 30 var target = document.getElementById('target'); |
| 31 |
| 32 document.onscroll = function() { |
| 33 ++numScrollsReceived; |
| 34 debug('OnScroll called for scroll #' + numScrollsReceived); |
| 35 } |
| 36 |
| 37 var failureSentinel = function() { |
| 38 if (numRAFCalls == 0) { |
| 39 // The first scroll should trigger onscroll because it scrolls |
| 40 // the layout viewport. |
| 41 eventSender.mouseMoveTo(target.offsetLeft + 5, target.offsetTop
+ 5); |
| 42 eventSender.continuousMouseScrollBy(0, -400); |
| 43 } else if (numRAFCalls == 1) { |
| 44 shouldBe('numScrollsReceived', '1'); |
| 45 // The second scroll should not trigger onscroll because it only |
| 46 // scrolls the visual viewport. |
| 47 eventSender.mouseMoveTo(target.offsetLeft + 5, target.offsetTop
+ 5); |
| 48 eventSender.continuousMouseScrollBy(0, 40); |
| 49 } else { |
| 50 shouldBe('numScrollsReceived', '1'); |
| 51 finishJSTest(); |
| 52 return; |
| 53 } |
| 54 ++numRAFCalls; |
| 55 window.requestAnimationFrame(failureSentinel); |
| 56 } |
| 57 |
| 58 window.requestAnimationFrame(failureSentinel); |
| 59 } |
| 60 |
| 61 onload = runTest; |
| 62 </script> |
| 63 <div id="target"></div> |
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Chromium Code Reviews
Issue 1416283006:
Make window.scroll properties relative to the layout viewport by default. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master