test_trigger_actionhanlder.html

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<!DOCTYPE HTML>

<html>

  <head>

    <title>Test of triggering media session's action handlers</title>

    <script src="/tests/SimpleTest/SimpleTest.js"></script>

    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

    <script src="MediaSessionTestUtils.js"></script>

  </head>

<body>

<script>

/**

 * This test is used to test if pressing media control keys can trigger media

 * session's corresponding action handler under different situations.

*/

const testCases = [

    name: "Triggering action handlers for session created in [main-frame]",

    shouldCreateFrom: "main-frame",

},

    name: "Triggering action handlers for session created in [same-origin] [child-frame]",

    shouldCreateFrom: "child-frame",

    origin: "same-origin",

},

    name: "Triggering action handlers for session created in [cross-origin] [child-frame]",

    shouldCreateFrom: "child-frame",

    origin: "cross-origin",

},

];

SimpleTest.waitForExplicitFinish();

SpecialPowers.pushPrefEnv({"set": [

  ["media.mediacontrol.testingevents.enabled", true],

]}, startTest());

async function startTest() {

  for (const testCase of testCases) {

    info(`- loading test '${testCase.name}' in a new window -`);

    const testURL = "file_trigger_actionhanlder_window.html";

    const testWindow = window.open(testURL, "", "width=500,height=500");

    await new Promise(r => testWindow.onload = r);

    info("- start running test -");

    testWindow.postMessage(testCase, window.origin);

    is((await nextWindowMessage()).data, "success",

       `- finished test '${testCase.name}' -`);

    testWindow.close();

  SimpleTest.finish();

</script>

</body>

</html>