зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
2.0 KiB
HTML
55 строки
2.0 KiB
HTML
<html>
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<head>
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<title>WebMIDI Listener Test</title>
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<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="application/javascript" src="MIDITestUtils.js"></script>
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</head>
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<body onload="runTests()">
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<script class="testbody" type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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async function runTests() {
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await MIDITestUtils.permissionSetup(true);
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let output;
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let midi_access;
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try {
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midi_access = await navigator.requestMIDIAccess({ "sysex": false });
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ok(true, "MIDI Access Request successful");
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} catch (e) {
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ok(false, "MIDI Access Request failed!");
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SimpleTest.finish();
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return;
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}
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is(midi_access.sysexEnabled, false, "Sysex should be false");
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output = midi_access.outputs.get(MIDITestUtils.outputInfo.id);
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let statePromiseRes;
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let statePromise = new Promise((res) => { statePromiseRes = res; });
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await output.open();
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let stateChangeHandler = (event) => {
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if (event.port == output) {
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return;
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}
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statePromiseRes(event.port);
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};
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midi_access.addEventListener("statechange", stateChangeHandler);
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// Send command to connect new port.
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output.send([0x90, 0x01, 0x00]);
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let p = await statePromise;
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is(p.state, "connected", "Device " + p.name + " connected");
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// Rebuild our promise, we'll need to await another one.
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statePromise = new Promise((res) => { statePromiseRes = res; });
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output.send([0x90, 0x02, 0x00]);
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p = await statePromise;
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is(p.state, "disconnected", "Device " + p.name + " disconnected");
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midi_access.removeEventListener("statechange", stateChangeHandler);
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SimpleTest.finish();
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}
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</script>
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</body>
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</html>
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