forked from mirrors/gecko-dev
3af8c4138c
It has some properties which make it footgunny, especially in the face of Fission. Callers should use WindowGlobalChild.innerWindowId instead. Differential Revision: https://phabricator.services.mozilla.com/D82801
48 lines
1.8 KiB
HTML
48 lines
1.8 KiB
HTML
<!doctype html>
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<script>
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dump("Content running top level script " + window.location.href + "\n");
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var winID = SpecialPowers.wrap(this).windowGlobalChild.innerWindowId;
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var observer = {
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observe(subject, topic) {
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var currID = SpecialPowers.wrap(subject).QueryInterface(SpecialPowers.Ci.nsISupportsPRUint64).data;
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if (currID != winID) {
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return;
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}
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// We should be able to wrap the inner window when the outer
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// window has navigated out of process.
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SpecialPowers.Cu.getGlobalForObject({});
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SpecialPowers.removeObserver(observer, "inner-window-nuked");
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}
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};
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SpecialPowers.addObserver(observer, "inner-window-nuked");
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// Unfortunately, we don't currently fire the onload event on a remote iframe,
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// so we can't listen for the load event directly on the iframe. Instead, we
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// postMessage from the iframe when the load event would be fired.
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window.addEventListener("load", function onload() {
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dump("Content got load of " + window.location.href + "\n");
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if (window.parent) {
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window.parent.postMessage({
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event: "load",
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location: window.location.href,
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}, "*");
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}
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let h1 = document.createElement("h1");
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h1.textContent = window.location.href;
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document.body.appendChild(h1);
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}, { once: true });
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// In addition, we listen to the message event to trigger navigations of
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// ourself when requested, as we don't fully support our embedder triggering
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// us being navigated yet for Totally Not Buggy Reasons.
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window.addEventListener("message", function onmessage(event) {
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dump("Content got event " + window.location.href + " " + JSON.stringify(event.data) + "\n");
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if (event.data.action === "navigate") {
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window.location = event.data.location;
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}
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});
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</script>
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