Quelle test_setactionhandler.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/media/mediasession/test/test_setactionhandler.html

<!DOCTYPE HTML>
<html>
<head>
  <title></title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script>

SimpleTest.waitForExplicitFinish();

const ACTIONS = [
  "play",
  "pause",
  "seekbackward",
  "seekforward",
  "previoustrack",
  "nexttrack",
  "skipad",
  "seekto",
  "seekforward",
  "seekbackward",
  "stop",
];

(async function testSetActionHandler() {
  for (const action of ACTIONS) {
    info(`Test setActionHandler for '${action}'`);
    generateAction(action);
    ok(true, "it's ok to do " + action + " without any handler");

    let expectedDetails = generateActionDetails(action);

    let fired = false;
    await setHandlerAndTakeAction(action, details => {
      ok(hasSameValue(details, expectedDetails), "get expected details for " + action);
      fired = !fired;
      clearActionHandler(action);
    });

    generateAction(action);
    ok(fired, "handler of " + action + " is cleared");
  }

  SimpleTest.finish();
})();

function generateAction(action) {
  let details = generateActionDetails(action);
  SpecialPowers.wrap(navigator.mediaSession).notifyHandler(details);
}

function generateActionDetails(action) {
  let details = { action };
  if (action == "seekbackward" || action == "seekforward") {
    details.seekOffset = 3.14159;
  } else if (action == "seekto") {
    details.seekTime = 1.618;
  }
  return details;
}

function setHandlerAndTakeAction(action, handler) {
  let promise = new Promise(resolve => {
    navigator.mediaSession.setActionHandler(action, details => {
      handler(details);
      resolve();
    });
  });
  generateAction(action);
  return promise;
}

function hasSameValue(a, b) {
  // The order of the object matters when stringify the object.
  return JSON.stringify(a) == JSON.stringify(b);
}

function clearActionHandler(action) {
  navigator.mediaSession.setActionHandler(action, null);
}

</script>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.19 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.