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<!DOCTYPE HTML>
<html>
<head>
  <title>Test for alerts with requireInteraction</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
const Cc = SpecialPowers.Cc;
const Ci = SpecialPowers.Ci;

const chromeScript = SpecialPowers.loadChromeScript(_ => {
  /* eslint-env mozilla/chrome-script */
  const {clearTimeout, setTimeout} = ChromeUtils.import("resource://gre/modules/Timer.jsm");

  addMessageListener("waitForXULAlert", function() {
    var timer = setTimeout(function() {
      Services.ww.unregisterNotification(windowObserver);
      sendAsyncMessage("waitForXULAlert", false);
    }, 2000);

    var windowObserver = function(win, aTopic, aData) {
      if (aTopic != "domwindowopened") {
        return;
      }

      win.addEventListener("load", function() {
        let windowType = win.document.documentElement.getAttribute("windowtype");
        if (windowType == "alert:alert") {
          clearTimeout(timer);
          Services.ww.unregisterNotification(windowObserver);

          sendAsyncMessage("waitForXULAlert", true);
        }
      }, {once: true});
    };

    Services.ww.registerNotification(windowObserver);
  });
});

var cookie = 0;
function promiseCreateXULAlert(alertService, listener, name) {
  return new Promise(resolve => {
    chromeScript.addMessageListener("waitForXULAlert", function waitedForAlert(result) {
      chromeScript.removeMessageListener("waitForXULAlert", waitedForAlert);
      resolve(result);
    });

    chromeScript.sendAsyncMessage("waitForXULAlert");
    alertService.showAlertNotification(null, "title", "body",
      true, cookie++, listener, name, null, null, null,
      null, false, true);
  });
}

add_task(async function test_require_interaction() {
  if (!("@mozilla.org/alerts-service;1" in Cc)) {
    todo(false, "Alerts service does not exist in this application.");
    return;
  }

  ok(true, "Alerts service exists in this application.");

  var alertService;
  try {
    alertService = Cc["@mozilla.org/alerts-service;1"].getService(Ci.nsIAlertsService);
    ok(true, "Alerts service is available.");
  } catch (ex) {
    todo(false, "Alerts service is not available.");
    return;
  }

  await SpecialPowers.pushPrefEnv({"set": [
      [ "dom.webnotifications.requireinteraction.enabled", true ],
      [ "dom.webnotifications.requireinteraction.count", 2 ],
  ]});

  var expectedSequence = [
    "first show",
    "second show",
    "second finished",
    "second replacement show",
    "third finished",
    "first finished",
    "third replacement show",
    "second replacement finished",
    "third replacement finished",
  ];

  var actualSequence = [];

  function createAlertListener(name, showCallback, finishCallback) {
    return (subject, topic, data) => {
      if (topic == "alertshow") {
        actualSequence.push(name + " show");
        if (showCallback) {
          showCallback();
        }
      } else if (topic == "alertfinished") {
        actualSequence.push(name + " finished");
        if (finishCallback) {
          finishCallback();
        }
      }
    };
  }

  var xulAlertCreated = await promiseCreateXULAlert(alertService,
    createAlertListener("first"), "first");
  if (!xulAlertCreated) {
    ok(true, "Platform does not use XUL alerts.");
    alertService.closeAlert("first");
    return;
  }

  xulAlertCreated = await promiseCreateXULAlert(alertService,
    createAlertListener("second"), "second");
  ok(xulAlertCreated, "Create XUL alert");

  // Replace second alert
  xulAlertCreated = await promiseCreateXULAlert(alertService,
    createAlertListener("second replacement"), "second");
  ok(xulAlertCreated, "Create XUL alert");

  var testFinishResolve;
  var testFinishPromise = new Promise((resolve) => { testFinishResolve = resolve; });

  xulAlertCreated = await promiseCreateXULAlert(alertService,
    createAlertListener("third"), "third");
  ok(!xulAlertCreated, "XUL alert should not be visible");

  // Replace the not-yet-visible third alert.
  xulAlertCreated = await promiseCreateXULAlert(alertService,
    createAlertListener("third replacement",
    function showCallback() {
      alertService.closeAlert("second");
      alertService.closeAlert("third");
    },
    function finishCallback() {
      // Check actual sequence of alert events compared to expected sequence.
      for (var i = 0; i < actualSequence.length; i++) {
        is(actualSequence[i], expectedSequence[i],
          "Alert callback at index " + i + " should be in expected order.");
      }

      testFinishResolve();
    }), "third");

  ok(!xulAlertCreated, "XUL alert should not be visible");

  alertService.closeAlert("first");

  await testFinishPromise;
});

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