| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| |
| <style> |
| html, body { |
| margin: 0; |
| } |
| iframe { |
| border: 0; |
| position: absolute; |
| } |
| </style> |
| |
| <iframe id=iframe src="http://localhost:8080/input/resources/discard-events-to-unstable-iframe-subframe.html" sandbox="allow-scripts"></iframe> |
| |
| <script> |
| async_test(t => { |
| if (!window.chrome || !chrome.gpuBenchmarking) { |
| t.done(); |
| return; |
| } |
| |
| let iframe = document.getElementById("iframe"); |
| let expectedCounts = {}; |
| |
| let tapAndCount = (x, y, mousedownCount, mouseupCount, clickCount, description) => { |
| // Use double-rAF to stabilize layout before dispatching input event. |
| requestAnimationFrame(() => { |
| requestAnimationFrame(() => { |
| iframe.contentWindow.postMessage({tap: [x, y], description: description}, "*"); |
| expectedCounts = { |
| mousedown: mousedownCount, |
| mouseup: mouseupCount, |
| click: clickCount |
| }; |
| }); |
| }); |
| }; |
| |
| let step0 = () => { |
| tapAndCount(20, 20, 1, 1, 1, "Initial state"); |
| }; |
| |
| let step1 = () => { |
| iframe.style.top = "50px"; |
| // Iframe moved, but it's not running an IntersectionObserver, so input events |
| // are unaffected. |
| tapAndCount(20, 70, 1, 1, 1, "Iframe moved, no observer"); |
| }; |
| |
| let step2 = () => { |
| // Start running IntersectionObserver in the iframe. |
| iframe.contentWindow.postMessage("observe", "*"); |
| }; |
| |
| let step3 = () => { |
| iframe.style.left = "50px"; |
| // Iframe moved, and it's running an IntersectionObserver with |
| // trackVisibility=true. Input events should be discarded. |
| tapAndCount(70, 70, 0, 0, 0, "Iframe moved, observer active"); |
| }; |
| |
| let step4 = () => { |
| setTimeout(() => { |
| // Iframe position has been stable for 500ms, so input events should not |
| // be discarded. |
| tapAndCount(70, 70, 1, 1, 1, "Iframe stable, observer active"); |
| }, 500); |
| }; |
| |
| let steps = [step0, step1, step2, step3, step4]; |
| let runNextStep = () => { |
| if (steps.length) { |
| let step = steps.shift(); |
| step(); |
| } else { |
| t.done(); |
| } |
| }; |
| |
| addEventListener("message", evt => { |
| if (evt.data.hasOwnProperty("count")) { |
| t.step(() => { |
| Object.keys(expectedCounts).forEach(key => { |
| let description = evt.data["description"] + " [" + key + "] "; |
| assert_equals(evt.data["count"][key], expectedCounts[key], description); |
| }); |
| }); |
| } |
| runNextStep(); |
| }); |
| |
| iframe.addEventListener("load", runNextStep); |
| }, "Input events targeting a cross-origin iframe which has moved recently, and which is using IntersectionObserver V2, should be discarded."); |
| </script> |
