<html>
<head>
<script src="../resources/js-test.js"></script>
<script>
    jsTestIsAsync = true;

    function runTest() {
        description("This tests that navigating in a multiselect list updates selection and the active selected option and sends a notification.");

        if (window.accessibilityController) {
            var menulist = document.getElementById("menulist");
            menulist.focus();
            window.accessibleMenulist = accessibilityController.focusedElement;
            window.accessibleOne = accessibleMenulist.childAtIndex(0);
            window.accessibleTwo = accessibleMenulist.childAtIndex(1);
            window.accessibleThree = accessibleMenulist.childAtIndex(2);

            function listListener(notification) {
                document.getElementById("console").innerText += "List notification: " + notification + "\n";
            }
            accessibleMenulist.addNotificationListener(listListener);

            shouldBe("accessibleOne.isSelected", "true");
            shouldBe("accessibleOne.isSelectedOptionActive", "true");
            shouldBe("accessibleTwo.isSelected", "false");
            shouldBe("accessibleTwo.isSelectedOptionActive", "false");
            shouldBe("accessibleThree.isSelected", "false");
            shouldBe("accessibleThree.isSelectedOptionActive", "false");

            // Change the selected index by simulating a down arrow keydown event.
            var event = document.createEvent('KeyboardEvents');
            event.initKeyboardEvent('keydown', true, true, document.defaultView, 'Down', 0, false, false, false, false, false);
            menulist.dispatchEvent(event);

            shouldBe("accessibleOne.isSelected", "false");
            shouldBe("accessibleOne.isSelectedOptionActive", "false");
            shouldBe("accessibleTwo.isSelected", "true");
            shouldBe("accessibleTwo.isSelectedOptionActive", "true");
            shouldBe("accessibleThree.isSelected", "false");
            shouldBe("accessibleThree.isSelectedOptionActive", "false");

            // Extend the selection by simulating a Shift + Down Arrow keydown event.
            var event = document.createEvent('KeyboardEvents');
            event.initKeyboardEvent('keydown', true, true, document.defaultView, 'Down', 0, false, false, true, false, false);
            menulist.dispatchEvent(event);

            shouldBe("accessibleOne.isSelected", "false");
            shouldBe("accessibleOne.isSelectedOptionActive", "false");
            shouldBe("accessibleTwo.isSelected", "true");
            shouldBe("accessibleTwo.isSelectedOptionActive", "false");
            shouldBe("accessibleThree.isSelected", "true");
            shouldBe("accessibleThree.isSelectedOptionActive", "true");
        }

        // Make the test finish quickly whether we get the notification or not.
        window.setTimeout(function() {
            if (window.accessibilityController)
                accessibleMenulist.removeNotificationListener();
            finishJSTest();
        }, 10);
    }

    window.addEventListener('load', function() {
        setTimeout(runTest, 10);
    }, false);
</script>
</head>
<body>

<select multiple id="menulist">
  <option selected>One</option>
  <option>Two</option>
  <option>Three</option>
  <option>Four</option>
</select>

<p id="description"></p>
<div id="console"></div>

</body>
</html>