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Issue 1449623002:
IntersectionObserver: second cut. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src@master| Index: third_party/WebKit/LayoutTests/intersection-observer/iframe-root.html |
| diff --git a/third_party/WebKit/LayoutTests/intersection-observer/iframe-root.html b/third_party/WebKit/LayoutTests/intersection-observer/iframe-root.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..aee7c92f79bde0b43bd493b18aac4de29a966578 |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/intersection-observer/iframe-root.html |
| @@ -0,0 +1,101 @@ |
| +<!DOCTYPE html> |
| +<div style="width:100%;height:700px;"></div> |
|
esprehn
2015/12/12 00:14:13
ditto
szager1
2015/12/16 19:15:34
Done.
|
| +<div id="root" style="display: inline-block; overflow-y: scroll; height: 200px;"> |
| + <div id="target" style="width:100px; height:300px"></div> |
| + <iframe id="target-iframe" src="../resources/intersection-observer-subframe.html" style="width: 300px; height: 100px; overflow-y: scroll" onload="runtests()"></iframe> |
| +</div> |
| +<div style="width:100%; height:700px;"></div> |
| + |
| +<script src="../resources/js-test.js"></script> |
| +<script src="helper-functions.js"></script> |
|
esprehn
2015/12/12 00:14:12
ditto
szager1
2015/12/16 19:15:34
Done.
|
| +<script> |
| +description("Simple intersection observer test with no explicit root and target in an iframe."); |
| +var entries = []; |
| + |
| +function runtests() { |
|
esprehn
2015/12/12 00:14:12
ditto
szager1
2015/12/16 19:15:34
Done.
|
| + var root = document.getElementById("root"); |
| + var targetIframe = document.getElementById("target-iframe"); |
| + var target = targetIframe.contentDocument.getElementById("target"); |
| + var iframeScroller = targetIframe.contentDocument.scrollingElement; |
| + |
| + observer_callback = function(changes) { |
| + for (var i in changes) |
| + entries.push(changes[i]); |
| + }; |
| + var observer = new IntersectionObserver(observer_callback, {"root": document.getElementById("root")}); |
| + observer.observe(target); |
| + |
| + // TODO: It shouldn't be necessary to RAF after the call to observer() |
| + // and before changing the scroll position, but it is. |
| + |
| + var expected0 = []; |
| + function step0() { |
| + setTimeout(function() { |
| + checkResults(expected0, "entries"); |
| + document.scrollingElement.scrollTop = 250; |
| + requestAnimationFrame(step1); |
| + }); |
| + } |
| + |
| + var expected1 = []; |
| + function step1() { |
| + setTimeout(function() { |
| + checkResults(expected1, "entries"); |
| + iframeScroller.scrollTop = 200; |
| + requestAnimationFrame(step2); |
| + }); |
| + } |
| + |
| + var expected2 = []; |
| + function step2() { |
| + setTimeout(function() { |
| + checkResults(expected2, "entries"); |
| + root.scrollTop = 175; |
| + requestAnimationFrame(step3); |
| + }); |
| + } |
| + |
| + var expected3 = [ |
| + { |
| + 'boundingClientRect': [ 18, 118, 593, 693 ], |
| + 'intersectionRect': [ 18, 118, 593, 658 ], |
| + 'rootBounds' : [ 8, 312, 458, 658 ], |
| + 'target': target |
|
esprehn
2015/12/12 00:14:12
ditto
szager1
2015/12/16 19:15:33
Done.
|
| + } |
| + ]; |
| + function step3() { |
| + setTimeout(function() { |
| + checkResults(expected3, "entries"); |
| + document.scrollingElement.scrollTop = 100; |
| + requestAnimationFrame(step4); |
| + }); |
| + } |
| + |
| + var expected4 = expected3; |
| + function step4() { |
| + setTimeout(function() { |
| + checkResults(expected4, "entries", 1); |
| + root.scrollTop = 100; |
| + requestAnimationFrame(step5); |
| + }); |
| + } |
| + |
| + var expected5 = expected4.concat([ |
| + { |
| + 'boundingClientRect': [ 18, 118, 818, 918 ], |
| + 'intersectionRect': [ 0, 0, 0, 0 ], |
| + 'rootBounds' : [ 8, 312, 608, 808 ], |
|
esprehn
2015/12/12 00:14:12
ditto
szager1
2015/12/16 19:15:33
Done.
|
| + 'target': target |
| + } |
| + ]); |
| + function step5() { |
| + setTimeout(function() { |
| + checkResults(expected5, "entries", 1); |
| + finishTest(); |
| + document.scrollingElement.scrollTop = 0; |
| + }); |
| + } |
| + |
| + requestAnimationFrame(step0); |
| +} |
| +</script> |
