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Diffstat (limited to 'dom/base/test/intersectionobserver_window.html')
| -rw-r--r-- | dom/base/test/intersectionobserver_window.html | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/dom/base/test/intersectionobserver_window.html b/dom/base/test/intersectionobserver_window.html new file mode 100644 index 0000000000..826b5064eb --- /dev/null +++ b/dom/base/test/intersectionobserver_window.html @@ -0,0 +1,46 @@ +<!DOCTYPE HTML> +<html> +<head> +<style> +#target5 { + position: absolute; + top: 0px; + left: 0px; + width: 20px; + height: 20px; + background: #f00; +} +</style> +<body> +<div id="target"></div> +<script> + var io = new IntersectionObserver(function(records) { + var viewportWidth = + document.documentElement.clientWidth || document.body.clientWidth; + var viewportHeight = + document.documentElement.clientHeight || document.body.clientHeight; + var result = records.length === 1 && + records[0].rootBounds.top === 0 && + records[0].rootBounds.left === 0 && + records[0].rootBounds.right === viewportWidth && + records[0].rootBounds.width === viewportWidth && + records[0].rootBounds.bottom === viewportHeight && + records[0].rootBounds.height === viewportHeight; + if (!result) { + result = [records.length, + records[0].isIntersecting, + records[0].rootBounds.top, + records[0].rootBounds.left, + records[0].rootBounds.right, + records[0].rootBounds.width, + records[0].rootBounds.bottom, + records[0].rootBounds.height, + viewportWidth, + viewportHeight].join(','); + } + window.opener.postMessage(result, '*'); + }); + io.observe(document.getElementById("target")); +</script> +</body> +</html> |