<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=887541
-->
<head>
  <title>Test for event retargeting in web components</title>
  <script type="text/javascript" src="head.js"></script>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=887541">Bug 887541</a>
<script>

SimpleTest.waitForExplicitFinish();
createIframe()
  .then((aDocument) => {
    /*
     * Creates an event listener with an expected event target.
     */
    function createEventListener(expectedTarget, msg) {
      return function(e) {
        is(e.target, expectedTarget, msg);
      };
    }

    /*
     * Test of event retargeting through a basic ShadowRoot with a content insertion point.
     *
     * <div elemThree> ---- <shadow-root shadowOne>
     *        |                        |
     * <div elemOne>            <content elemTwo>
     *
     * Dispatch event on elemOne
     */

    var elemOne = aDocument.createElement("div");
    var elemTwo = aDocument.createElement("content");
    var elemThree = aDocument.createElement("div");
    var shadowOne = elemThree.attachShadow({mode: "open"});

    elemThree.appendChild(elemOne);
    shadowOne.appendChild(elemTwo);

    elemOne.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemOne."));
    elemTwo.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemTwo."));
    elemThree.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemThree."));
    shadowOne.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of shadowOne."));

    var customEvent = new CustomEvent("custom", { "bubbles" : true });
    elemOne.dispatchEvent(customEvent);

    /*
     * Test of event retargeting through a basic ShadowRoot with a content insertion point.
     *
     * <div elemThree> ---- <shadow-root shadowOne>
     *        |                        |
     * <div elemOne>            <content elemTwo>
     *
     * Dispatch event on elemTwo
     */

    elemOne = aDocument.createElement("div");
    elemTwo = aDocument.createElement("content");
    elemThree = aDocument.createElement("div");
    shadowOne = elemThree.attachShadow({mode: "open"});

    elemThree.appendChild(elemOne);
    shadowOne.appendChild(elemTwo);

    elemTwo.addEventListener("custom", createEventListener(elemTwo, "elemTwo is in common ancestor tree of elemTwo."));
    elemThree.addEventListener("custom", createEventListener(elemThree, "elemThree is in common ancestor tree of elemThree."));
    shadowOne.addEventListener("custom", createEventListener(elemTwo, "elemTwo is in common ancestor tree of shadowOne."));

    customEvent = new CustomEvent("custom", { "bubbles" : true });
    elemTwo.dispatchEvent(customEvent);

    /*
     * Test of event retargeting through a nested ShadowRoots with content insertion points.
     *
     * <div elemFive> --- <shadow-root shadowTwo>
     *       |                       |
     * <div elemOne>          <div elemFour> ----- <shadow-root shadowOne>
     *                               |                        |
     *                       <content elemTwo>       <content elemThree>
     *
     * Dispatch custom event on elemOne.
     */

    elemOne = aDocument.createElement("div");
    elemTwo = aDocument.createElement("content");
    elemThree = aDocument.createElement("content");
    var elemFour = aDocument.createElement("div");
    var elemFive = aDocument.createElement("div");
    var shadowTwo = elemFive.attachShadow({mode: "open"});
    shadowOne = elemFour.attachShadow({mode: "open"});

    elemFive.appendChild(elemOne);
    shadowTwo.appendChild(elemFour);
    elemFour.appendChild(elemTwo);
    shadowOne.appendChild(elemThree);

    elemOne.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemOne."));
    elemTwo.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemTwo."));
    elemThree.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemThree."));
    elemFour.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemFour."));
    elemFive.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of elemFive."));
    shadowOne.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of shadowOne."));
    shadowTwo.addEventListener("custom", createEventListener(elemOne, "elemOne is in common ancestor tree of shadowTwo."));

    customEvent = new CustomEvent("custom", { "bubbles" : true });
    elemOne.dispatchEvent(customEvent);

    /*
     * Test of event retargeting through a nested ShadowRoots with content insertion points.
     *
     * <div elemFive> --- <shadow-root shadowTwo>
     *       |                       |
     * <div elemOne>          <div elemFour> ----- <shadow-root shadowOne>
     *                               |                        |
     *                       <content elemTwo>       <content elemThree>
     *
     * Dispatch custom event on elemThree.
     */

    elemOne = aDocument.createElement("div");
    elemTwo = aDocument.createElement("content");
    elemThree = aDocument.createElement("content");
    elemFour = aDocument.createElement("div");
    elemFive = aDocument.createElement("div");
    shadowTwo = elemFive.attachShadow({mode: "open"});
    shadowOne = elemFour.attachShadow({mode: "open"});

    elemFive.appendChild(elemOne);
    shadowTwo.appendChild(elemFour);
    elemFour.appendChild(elemTwo);
    shadowOne.appendChild(elemThree);

    elemThree.addEventListener("custom", createEventListener(elemThree, "elemThree is in common ancestor tree of elemThree."));
    elemFour.addEventListener("custom", createEventListener(elemFour, "elemFour is in common ancestor tree of elemFour."));
    elemFive.addEventListener("custom", createEventListener(elemFive, "elemFive is in common ancestor tree of elemFive."));
    shadowOne.addEventListener("custom", createEventListener(elemThree, "elemThree is in common ancestor tree of shadowOne."));
    shadowTwo.addEventListener("custom", createEventListener(elemFour, "elemFour is in common ancestor tree of shadowTwo."));

    customEvent = new CustomEvent("custom", { "bubbles" : true });
    elemThree.dispatchEvent(customEvent);

    SimpleTest.finish();
  });
</script>
</body>
</html>
