зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
1.9 KiB
HTML
69 строки
1.9 KiB
HTML
<html>
|
|
<head>
|
|
<script>
|
|
var b = new BroadcastChannel("windowclose");
|
|
|
|
function isInitialLoad() {
|
|
return location.search.substr(1) != "withhistory" || history.length == 1;
|
|
}
|
|
|
|
function run() {
|
|
if (location.search.substr(1) == "withhistory") {
|
|
// An entry for the initial load, pushState, iframe and the next page.
|
|
if (history.length == 4) {
|
|
// We're coming back from history.
|
|
function listener(m) {
|
|
if (m.message.includes("Scripts may not close windows that were not opened by script.")) {
|
|
SpecialPowers.postConsoleSentinel();
|
|
SpecialPowers.pushPrefEnv({ set: [["dom.allow_scripts_to_close_windows", true]]}).then(
|
|
function() {
|
|
window.onunload = function() {
|
|
b.postMessage('blocked');
|
|
b.close();
|
|
};
|
|
window.close();
|
|
});
|
|
}
|
|
}
|
|
SpecialPowers.registerConsoleListener(listener);
|
|
window.onunload = function() {
|
|
SpecialPowers.postConsoleSentinel();
|
|
b.postMessage('closed');
|
|
b.close();
|
|
};
|
|
window.close();
|
|
} else {
|
|
// Load a page which will call history.back()
|
|
location.href = "file_window_close_2.html";
|
|
}
|
|
} else {
|
|
onunload = function() {
|
|
b.postMessage('closed');
|
|
b.close();
|
|
};
|
|
window.close();
|
|
}
|
|
}
|
|
|
|
function init() {
|
|
if (isInitialLoad()) {
|
|
// Add some data to the session history.
|
|
history.pushState("foo", "foo");
|
|
var ifr = document.getElementsByTagName("iframe")[0];
|
|
ifr.onload = run;
|
|
ifr.src = "data:text/html,random data";
|
|
} else {
|
|
run();
|
|
}
|
|
}
|
|
window.onpageshow = () => {
|
|
setTimeout(init);
|
|
}
|
|
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<iframe></iframe>
|
|
</body>
|
|
</html>
|