| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .horizontalGallery { |
| width: 300px; |
| height: 300px; |
| overflow-y: hidden; |
| overflow-x: auto; |
| margin-bottom: 2px; |
| scroll-snap-type: x mandatory; |
| } |
| .horizontalGalleryDrawer { |
| width: 1800px; |
| height: 300px; |
| } |
| .verticalGallery { |
| width: 300px; |
| height: 300px; |
| display: inline-block; |
| overflow-x: hidden; |
| overflow-y: auto; |
| margin-top: 2px; |
| scroll-snap-type: y mandatory; |
| } |
| .verticalGalleryDrawer { |
| width: 300px; |
| height: 1800px; |
| } |
| .colorBox { |
| height: 300px; |
| width: 300px; |
| float: left; |
| scroll-snap-align: start; |
| } |
| #itemH0, #itemV0 { background-color: red; } |
| #itemH1, #itemV1 { background-color: green; } |
| #itemH2, #itemV2 { background-color: blue; } |
| #itemH3, #itemV3 { background-color: aqua; } |
| #itemH4, #itemV4 { background-color: yellow; } |
| #itemH5, #itemV5 { background-color: fuchsia; } |
| </style> |
| <script src="../../../resources/js-test.js"></script> |
| <script> |
| window.jsTestIsAsync = true; |
| |
| var divScrollPositionBeforeGlide; |
| var divScrollPositionBeforeSnap; |
| |
| function locationInWindowCoordinates(element) |
| { |
| var position = {}; |
| position.x = element.offsetLeft; |
| position.y = element.offsetTop; |
| |
| while (element.offsetParent) { |
| position.x = position.x + element.offsetParent.offsetLeft; |
| position.y = position.y + element.offsetParent.offsetTop; |
| if (element == document.getElementsByTagName("body")[0]) |
| break; |
| |
| element = element.offsetParent; |
| } |
| |
| return position; |
| } |
| |
| function checkForScrollSnap(targetLabel) |
| { |
| var divTarget = document.getElementById(targetLabel); |
| |
| var actualPosition = divTarget.scrollTop; |
| if (targetLabel == 'horizontalTarget') |
| actualPosition = divTarget.scrollLeft; |
| |
| // The div should have snapped back to the previous position |
| if (actualPosition != divScrollPositionBeforeSnap) |
| testFailed("div did not snap back to proper location for " + targetLabel +". Expected " + divScrollPositionBeforeSnap + ", but got " + actualPosition); |
| else |
| testPassed("div honored snap points."); |
| |
| if (targetLabel == 'horizontalTarget') |
| setTimeout(function() { scrollGlideTest('verticalTarget') }, 0); |
| else |
| finishJSTest(); |
| } |
| |
| function scrollSnapTest(targetLabel) |
| { |
| debug("Testing scroll-snap snap for " + targetLabel + ":"); |
| var divTarget = document.getElementById(targetLabel); |
| |
| var dx = 0; |
| var dy = 0; |
| if (targetLabel == 'horizontalTarget') { |
| divScrollPositionBeforeSnap = divTarget.scrollLeft; |
| dx = -1; |
| } else { |
| divScrollPositionBeforeSnap = divTarget.scrollTop; |
| dy = -1; |
| } |
| |
| var windowPosition = locationInWindowCoordinates(divTarget); |
| |
| var startPosX = windowPosition.x + 0.5 * divTarget.clientWidth; |
| var startPosY = windowPosition.y + 0.5 * divTarget.clientHeight; |
| eventSender.mouseMoveTo(startPosX, startPosY); // Make sure we are just outside the iFrame |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'began', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none'); |
| eventSender.callAfterScrollingCompletes(function() { return checkForScrollSnap(targetLabel); }); |
| } |
| |
| function checkForScrollGlide(targetLabel) |
| { |
| var divTarget = document.getElementById(targetLabel); |
| |
| var actualPosition = divTarget.scrollTop; |
| var expectedPosition = divTarget.clientHeight; |
| if (targetLabel == 'horizontalTarget') { |
| actualPosition = divTarget.scrollLeft; |
| expectedPosition = divTarget.clientWidth; |
| } |
| |
| // The div should have scrolled (glided) to the next snap point. |
| if (actualPosition == expectedPosition) |
| testPassed("div scrolled to next window."); |
| else |
| testFailed("div did not honor snap points. Expected " + expectedPosition + ", but got " + actualPosition); |
| |
| setTimeout(function() { scrollSnapTest(targetLabel) }, 0); |
| } |
| |
| function scrollGlideTest(targetLabel) |
| { |
| debug("Testing scroll-snap glide for " + targetLabel + ":"); |
| var divTarget = document.getElementById(targetLabel); |
| |
| var dx = 0; |
| var dy = 0; |
| if (targetLabel == 'horizontalTarget') { |
| divScrollPositionBeforeGlide = divTarget.scrollLeft; |
| dx = -1; |
| } else { |
| divScrollPositionBeforeGlide = divTarget.scrollTop; |
| dy = -1; |
| } |
| |
| var windowPosition = locationInWindowCoordinates(divTarget); |
| |
| var startPosX = windowPosition.x + 0.5 * divTarget.clientWidth; |
| var startPosY = windowPosition.y + 0.5 * divTarget.clientHeight; |
| eventSender.mouseMoveTo(startPosX, startPosY); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'began', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'none', 'begin'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(dx, dy, 'none', 'continue'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'none', 'end'); |
| eventSender.callAfterScrollingCompletes(function() { return checkForScrollGlide(targetLabel); }); |
| } |
| |
| function onLoad() |
| { |
| if (window.eventSender) { |
| eventSender.monitorWheelEvents(); |
| internals.setPlatformMomentumScrollingPredictionEnabled(false); |
| setTimeout(function() { scrollGlideTest('horizontalTarget') }, 0); |
| } else { |
| var messageLocationH = document.getElementById('itemH0'); |
| var message = document.createElement('div'); |
| message.innerHTML = "<p>This test is better run under DumpRenderTree.<br/>To manually test it, place the mouse pointer<br/>" |
| + "inside the red region at the top of the page,<br/>and then use the mouse wheel or a two-finger<br/>swipe to make a" |
| + "small swipe gesture with<br/>some momentum.<br/><br/>" |
| + "The region should scroll to show a green region.<br/><br/>" |
| + "Next, perform a small scroll gesture that does<br/>not involve momentum. You should begin to<br/>see one of the colors " |
| + "to the side of the current<br/>green box. When you release the wheel, the<br/>region should scroll back to a single color."; |
| messageLocationH.appendChild(message); |
| |
| var messageLocationV = document.getElementById('itemV0'); |
| var message = document.createElement('div'); |
| message.innerHTML = "<p>You should also be able to repeat these tests steps for this vertical region.<br/>" |
| messageLocationV.appendChild(message); |
| } |
| } |
| </script> |
| </head> |
| <body onload="onLoad();"> |
| <div style="position: relative; width: 300px"> |
| <div>Tests that the scroll-snap feature works properly in overflow regions.</div> |
| <div class="horizontalGallery" id="horizontalTarget"> |
| <div class="horizontalGalleryDrawer"> |
| <div id="itemH0" class="colorBox"></div> |
| <div id="itemH1" class="colorBox"></div> |
| <div id="itemH2" class="colorBox"></div> |
| <div id="itemH3" class="colorBox"></div> |
| <div id="itemH4" class="colorBox"></div> |
| <div id="itemH5" class="colorBox"></div> |
| </div> |
| </div> |
| <div class="verticalGallery" id="verticalTarget"> |
| <div class="verticalGalleryDrawer"> |
| <div id="itemV0" class="colorBox"></div> |
| <div id="itemV1" class="colorBox"></div> |
| <div id="itemV2" class="colorBox"></div> |
| <div id="itemV3" class="colorBox"></div> |
| <div id="itemV4" class="colorBox"></div> |
| <div id="itemV5" class="colorBox"></div> |
| </div> |
| </div> |
| <div id="console"></div> |
| </div> |
| </body> |
| </html> |
