| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> |
| <script src="../../../../resources/js-test-pre.js"></script> |
| <style> |
| #square { |
| position: absolute; |
| left: 100px; |
| top: 100px; |
| width: 150px; |
| height: 2000px; |
| background: red; |
| opacity: 0.5; |
| } |
| </style> |
| </head> |
| |
| <body> |
| <div id="square" style=""></div> |
| |
| <script> |
| description("Test that touchmove can be cancelled from event listeners dynamically added after touchstart"); |
| window.jsTestIsAsync = true; |
| |
| const getUIScript = (startX, startY, endX, endY) => ` |
| (function() { |
| var eventStream = { |
| events : [{ |
| interpolate: "linear", |
| timestep: 0.025, |
| startEvent: { |
| inputType: "hand", |
| timeOffset: 0, |
| touches: [{ |
| inputType: "finger", |
| phase: "began", |
| id: 1, |
| x: ${startX}, |
| y: ${startY}, |
| pressure: 0 |
| }] |
| }, |
| endEvent: { |
| inputType: "hand", |
| timeOffset: 3.0, |
| touches: [{ |
| inputType: "finger", |
| phase: "stationary", |
| id: 1, |
| x: ${endX}, |
| y: ${endY}, |
| pressure : 500 |
| }] |
| } |
| }] |
| }; |
| |
| uiController.sendEventStream(JSON.stringify(eventStream), function() { |
| uiController.uiScriptComplete(); |
| }); |
| })(); |
| `; |
| |
| function runTest() |
| { |
| function touchmoveEventHandler(event) |
| { |
| shouldBe("event.cancelable", "true"); |
| event.preventDefault(); |
| shouldBe("event.defaultPrevented", "true"); |
| } |
| |
| const square = document.querySelector('#square'); |
| document.addEventListener("touchstart", event => { |
| // NOTE: For some reason, if we don't interact with the DOM here, the first few touchmove events we see will be passive (not cancelable) |
| // See https://bugs.webkit.org/show_bug.cgi?id=185656 |
| document.body.appendChild(document.createElement('p')); |
| if (event.target === square) |
| window.addEventListener("touchmove", touchmoveEventHandler, { passive: false, once: true }); |
| }, { passive: false, once: true }); |
| |
| if (window.testRunner) { |
| let clientRect = square.getBoundingClientRect(); |
| testRunner.runUIScript(getUIScript(clientRect.left + 50, clientRect.top + 200, clientRect.left + 50, clientRect.top + 10), () => { |
| shouldBe("document.scrollingElement.scrollTop", "0"); |
| finishJSTest(); |
| }); |
| } |
| } |
| |
| window.addEventListener('load', runTest, false); |
| </script> |
| <script src="../../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
