27 lines
968 B
HTML
27 lines
968 B
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<meta name="timeout" content="long">
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<title>NDEFReader.onreading respect page visibility changes</title>
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<link rel="help" href="https://w3c.github.io/web-nfc/#visible-document">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/nfc-helpers.js"></script>
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<script>
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nfc_test(async (t, mockNFC) => {
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const ndef = new NDEFReader();
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const ndefWatcher = new EventWatcher(t, reader, ["reading", "readingerror"]);
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const promise = new Promise((resolve, reject) => {
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ndefWatcher.wait_for("reading").then(event => {
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if (document.hidden) reject();
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else resolve();
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});
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});
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await ndef.scan();
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await promise;
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}, "Test NDEFReader.onreading is not fired when document is hidden");
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</script>
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<p>Step1: switch the page to the background, then tap a formatted NFC tag.</p>
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<p>Step2: switch back to the page, then tap the tag again.</p>
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