| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| |
| <style> |
| pre, #log { |
| position: absolute; |
| top: 0; |
| left: 200px; |
| } |
| iframe { |
| width: 200px; |
| height: 140px; |
| overflow-y: hidden; |
| } |
| .spacer { |
| height: 700px; |
| } |
| </style> |
| |
| <div class="spacer"></div> |
| <iframe src="http://localhost:8080/intersection-observer/resources/nesting-cross-origin-subframe.html"></iframe> |
| <div class="spacer"></div> |
| |
| <script> |
| |
| // These helper functions are taken from |
| // intersection-observer/resources/intersection-observer-test-utils.js, |
| // which isn't available to http tests. |
| function waitForNotification(f) { |
| requestAnimationFrame(function () { |
| setTimeout(function () { setTimeout(f); }); |
| }); |
| } |
| |
| function checkRect(actual, expected, description) { |
| if (!expected.length) |
| return; |
| assert_equals(actual.left, expected[0], description + '.left'); |
| assert_equals(actual.right, expected[1], description + '.right'); |
| assert_equals(actual.top, expected[2], description + '.top'); |
| assert_equals(actual.bottom, expected[3], description + '.bottom'); |
| } |
| |
| function checkJsonEntry(actual, expected) { |
| checkRect( |
| actual.boundingClientRect, expected.boundingClientRect, |
| 'entry.boundingClientRect'); |
| checkRect( |
| actual.intersectionRect, expected.intersectionRect, |
| 'entry.intersectionRect'); |
| if (actual.rootBounds == 'null') |
| assert_equals(expected.rootBounds, 'null', 'rootBounds is null'); |
| else |
| checkRect(actual.rootBounds, expected.rootBounds, 'entry.rootBounds'); |
| assert_equals(actual.target, expected.target); |
| } |
| |
| function checkJsonEntries(actual, expected, description) { |
| test(function () { |
| assert_equals(actual.length, expected.length); |
| for (var i = 0; i < actual.length; i++) |
| checkJsonEntry(actual[i], expected[i]); |
| }, description); |
| } |
| |
| async_test(function(t) { |
| var iframe = document.querySelector("iframe"); |
| |
| assert_equals(window.innerWidth, 800, "Window must be 800 pixels wide."); |
| assert_equals(window.innerHeight, 600, "Window must be 600 pixels high."); |
| |
| function handleMessage(event) { |
| if (event.data.hasOwnProperty('ACK')) { |
| waitForNotification(function () { iframe.contentWindow.postMessage({ ACK: 1 }, "*"); }, |
| "Message acknowledged"); |
| } else if (event.data.hasOwnProperty('scrollTo')) { |
| document.scrollingElement.scrollTop = event.data.scrollTo; |
| waitForNotification(function() { iframe.contentWindow.postMessage("", "*"); }, |
| "document.scrollingElement.scrollTop = " + event.data.scrollTo); |
| } else if (event.data.hasOwnProperty('actual')) { |
| checkJsonEntries(event.data.actual, event.data.expected, event.data.description); |
| } else if (event.data.hasOwnProperty('DONE')) { |
| document.scrollingElement.scrollTop = 0; |
| t.done(); |
| } else { |
| var description = event.data.description; |
| waitForNotification(function() { iframe.contentWindow.postMessage("", "*"); }, description); |
| } |
| } |
| |
| window.addEventListener("message", t.step_func(handleMessage)); |
| |
| iframe.onload = t.step_func(function() { |
| waitForNotification(function() { iframe.contentWindow.postMessage("", "*") }, "setup"); |
| }); |
| }, "Intersection observer test with target in nested cross-origin subframes, potentially rendered in other processes."); |
| </script> |
