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LibWeb: Post all MessagePort messages over their LocalSockets

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This is to allow future changes to do cross-process MessagePorts in an
implementation-agnostic way. Add some tests for this behavior.

Delivering messages that were posted to a MessagePort just before it was
transferred is not yet implemented still.
This commit is contained in:
Andrew Kaster 2023-12-19 15:28:56 -07:00 • committed by Andrew Kaster
commit c0f50b12a4
Notes: sideshowbarker 2024-07-16 22:11:09 +09:00
7 changed files with 301 additions and 52 deletions
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32
Tests/LibWeb/Text/input/Messaging/Messaging-post-channel-over-channel.html Normal file
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<script src="../include.js"></script>
<script>
asyncTest(done => {
let channel = new MessageChannel();
channel.port1.onmessage = (event) => {
println("Port1: " + JSON.stringify(event.data));
if (event.ports.length > 0) {
event.ports[0].postMessage("Hello from the transferred port");
return;
}
channel.port1.postMessage(event.data);
};
channel.port2.onmessage = (event) => {
println("Port2: " + JSON.stringify(event.data));
if (event.data === "DONE") {
done();
}
};
let channel2 = new MessageChannel();
channel2.port2.onmessage = (event) => {
println("Port3: " + JSON.stringify(event.data))
}
channel.port2.postMessage("Hello");
channel.port2.postMessage({ foo: channel2.port1 }, { transfer: [channel2.port1] });
channel.port2.postMessage("DONE");
});
</script>