testing/web-platform/tests/focus/support/hasfocus-inner.html
author Dave Townsend <dtownsend@oxymoronical.com>
Mon, 14 Jul 2025 14:08:24 +0000 (14 hours ago)
changeset 796524 2ef57d67fd0616c054a8e385c6b76d6342e81f75
parent 578881 86a2163e7a475f2b9310a278365499778e8ca6e0
permissions -rw-r--r--
Bug 1975002: Ensure we fully decode images before trying to use them in the Dock or Taskbar. r=profiles-reviewers,niklas Differential Revision: https://phabricator.services.mozilla.com/D256996
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>hasFocus inner</title>
<script>
var seenFocus = false;
var seenBlur = false;
window.onmessage = function(e) {
    if (e.data == "focus") {
        let input = document.getElementsByTagName("input")[0];
        input.onblur = function() {
            seenBlur = true;
        }
        input.onfocus = function() {
            if (seenFocus) {
                if (seenBlur) {
                    window.parent.postMessage("restored", "*");
                } else {
                    window.parent.postMessage("noblur", "*");
                }
            } else {
                seenFocus = true;
                window.parent.postMessage("focused", "*");
            }
        }
        input.focus();
    } else if (e.data == "hasfocus") {
        if (document.hasFocus()) {
            window.parent.postMessage("wrongfocus", "*");
        } else {
            window.parent.postMessage("close", "*");
        }
    }
}
</script>
</head>
<body>
<input>
</body>
</html>