зеркало из https://github.com/mozilla/gecko-dev.git
50 строки
1.2 KiB
HTML
50 строки
1.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>postMessage chrome message receiver</title>
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<script type="application/javascript">
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var gPrePath = "";
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function receiveMessage(evt)
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{
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if (evt.data.substring(0,9) == "chrome://") {
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gPrePath = evt.data;
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respond("path-is-set");
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} else {
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// Content cannot post to chrome without privileges
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try {
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window.parent.postMessage("SHOULD NOT GET THIS!", "*");
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}
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catch (ex) {
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}
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var msg = "post-to-content-response";
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if (evt.source !== null)
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msg += " wrong-source(" + evt.source + ")";
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if (!evt.isTrusted)
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msg += " unexpected-untrusted-event";
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if (evt.type !== "message")
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msg += " wrong-type(" + evt.type + ")";
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if (evt.origin !== gPrePath)
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msg += " wrong-origin(" + evt.origin + ")";
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if (evt.data !== "post-to-content")
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msg += " wrong-message(" + evt.data + ")";
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respond(msg);
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}
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}
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function respond(msg)
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{
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SpecialPowers.wrap(window).parent.postMessage(msg, "*");
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}
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window.addEventListener("message", receiveMessage, false);
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</script>
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</head>
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<body>
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<h1 id="domain">example.org</h1>
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</body>
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</html>
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