tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_setactionhandler.html (1992B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <title></title>
      5  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      6  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
      7 </head>
      8 <body>
      9 <script>
     10 
     11 SimpleTest.waitForExplicitFinish();
     12 
     13 const ACTIONS = [
     14  "play",
     15  "pause",
     16  "seekbackward",
     17  "seekforward",
     18  "previoustrack",
     19  "nexttrack",
     20  "skipad",
     21  "seekto",
     22  "seekforward",
     23  "seekbackward",
     24  "stop",
     25 ];
     26 
     27 (async function testSetActionHandler() {
     28  for (const action of ACTIONS) {
     29    info(`Test setActionHandler for '${action}'`);
     30    generateAction(action);
     31    ok(true, "it's ok to do " + action + " without any handler");
     32 
     33    let expectedDetails = generateActionDetails(action);
     34 
     35    let fired = false;
     36    await setHandlerAndTakeAction(action, details => {
     37      ok(hasSameValue(details, expectedDetails), "get expected details for " + action);
     38      fired = !fired;
     39      clearActionHandler(action);
     40    });
     41 
     42    generateAction(action);
     43    ok(fired, "handler of " + action + " is cleared");
     44  }
     45 
     46  SimpleTest.finish();
     47 })();
     48 
     49 function generateAction(action) {
     50  let details = generateActionDetails(action);
     51  SpecialPowers.wrap(navigator.mediaSession).notifyHandler(details);
     52 }
     53 
     54 function generateActionDetails(action) {
     55  let details = { action };
     56  if (action == "seekbackward" || action == "seekforward") {
     57    details.seekOffset = 3.14159;
     58  } else if (action == "seekto") {
     59    details.seekTime = 1.618;
     60  }
     61  return details;
     62 }
     63 
     64 function setHandlerAndTakeAction(action, handler) {
     65  let promise = new Promise(resolve => {
     66    navigator.mediaSession.setActionHandler(action, details => {
     67      handler(details);
     68      resolve();
     69    });
     70  });
     71  generateAction(action);
     72  return promise;
     73 }
     74 
     75 function hasSameValue(a, b) {
     76  // The order of the object matters when stringify the object.
     77  return JSON.stringify(a) == JSON.stringify(b);
     78 }
     79 
     80 function clearActionHandler(action) {
     81  navigator.mediaSession.setActionHandler(action, null);
     82 }
     83 
     84 </script>
     85 </body>
     86 </html>