| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .scrollable_region { |
| width: 680px; |
| } |
| |
| .contents { |
| height: 1036px; |
| width: 100%; |
| background-image: repeating-linear-gradient(silver, white 200px); |
| } |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script> |
| jsTestIsAsync = true; |
| |
| var divTarget; |
| var pageScrollPositionBefore; |
| var divScrollPositionBefore; |
| |
| function checkForScroll() |
| { |
| // The div should not have scrolled at all. |
| var pageScrollPositionAfter = document.scrollingElement.scrollTop; |
| var divScrollPositionAfter = divTarget.scrollTop; |
| |
| if (divScrollPositionBefore != divScrollPositionAfter) |
| testFailed("Scrollable div consumed wheel events."); |
| else |
| testPassed("Scrollable div did not receive wheel events."); |
| |
| finishJSTest(); |
| } |
| |
| function scrollTest() |
| { |
| pageScrollPositionBefore = document.scrollingElement.scrollTop; |
| |
| divTarget = document.getElementById('target'); |
| |
| divScrollPositionBefore = divTarget.scrollTop; |
| |
| // Scroll the #source until we reach the #target. |
| var startPosX = Math.round(divTarget.offsetLeft) + 20; |
| var startPosY = Math.round(divTarget.offsetTop) - 42; // Slightly more than one wheel scroll away from the iframe |
| |
| eventSender.monitorWheelEvents(); |
| eventSender.mouseMoveTo(startPosX, startPosY); // Make sure we are just outside the iframe |
| debug("Mouse moved to (" + startPosX + ", " + startPosY + ")"); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'began', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'none', 'begin'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'none', 'continue'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'none', 'end'); |
| eventSender.callAfterScrollingCompletes(checkForScroll); |
| } |
| |
| function setupTopLevel() |
| { |
| description("Tests that a scrollable div doesn't consume wheel events when scroll is latched to main frame."); |
| if (window.eventSender) { |
| setTimeout(scrollTest, 0); |
| return; |
| } |
| |
| var messageLocation = document.getElementById('parent'); |
| var message = document.createElement('div'); |
| message.innerHTML = "<p>To manually run this test, place the mouse pointer " |
| + "at the top of the page, and then use the mouse wheel or a two-finger swipe to scroll the " |
| + "down past the div.<p>" |
| + "<p>The scrollable div should not scroll.</p>"; |
| messageLocation.appendChild(message); |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| setupTopLevel(); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div id="parent" style="height: 2000px; width: 2000px;"> |
| <div id="source" style="height: 100px; width: 500px;"> |
| Put mouse here and flick downwards |
| </div> |
| <div class="scrollable_region"> |
| <h3>Scrollable Region</h3> |
| <div id="target" style='overflow-y: auto; overflow-x: hidden; max-height: 485px;'> |
| <div class="contents"> |
| Scrolled contents |
| </div> |
| </div> |
| </div> |
| </div> |
| <div id="console"></div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
