| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <style> |
| pre, #log { |
| position: absolute; |
| top: 0; |
| left: 200px; |
| } |
| </style> |
| |
| <iframe src="http://localhost:8080/intersection-observer/resources/subframe-occlusion-tracking.html"></iframe> |
| |
| <script> |
| |
| if (self.internals) { |
| internals.DisableIntersectionObserverThrottleDelay(); |
| } |
| |
| async_test(t => { |
| let iframe = document.querySelector("iframe"); |
| if (self.internals && !internals.isSiteIsolated(iframe)) { |
| t.done(); |
| return; |
| } |
| |
| let checkTracking = (expected => { |
| if (self.internals) { |
| t.step(() => { |
| assert_equals(internals.isTrackingOcclusionForIFrame(iframe), expected); |
| }); |
| } |
| }); |
| |
| let detachAndCheck = (() => { |
| iframe.remove(); |
| requestAnimationFrame(() => { |
| setTimeout(() => { |
| checkTracking(false); |
| t.done(); |
| }); |
| }); |
| }); |
| |
| checkTracking(false); |
| |
| let count = 0; |
| addEventListener("message", event => { |
| requestAnimationFrame(() => { |
| checkTracking(event.data.expected); |
| if (count++ > 3 && event.data.expected) { |
| detachAndCheck(); |
| } else { |
| iframe.contentWindow.postMessage("", "*"); |
| } |
| }); |
| }); |
| |
| iframe.addEventListener("load", t.step_func(() => { |
| checkTracking(false); |
| requestAnimationFrame(() => { |
| iframe.contentWindow.postMessage("", "*") |
| checkTracking(false); |
| }); |
| })); |
| }, "Test that an OOP iframe only gets occlusion information from its parent if the iframe has an IntersectionObserver that needs it."); |
| |
| </script> |
