<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../../resources/js-test.js"></script>
</head>
<body id="body">

<div role="textbox" tabindex=0 id="textbox" contenteditable=true>
    <p><br>
</div>

<br>

<input type="text" id="input">

<br>

<textarea id="textarea"></textarea>

<script>

    description("This tests selection change notifications at text boundaries.");

    var AXTextStateChangeTypeSelectionMove = 2;
    var AXTextStateChangeTypeSelectionExtend = AXTextStateChangeTypeSelectionMove + 1;
    var AXTextStateChangeTypeSelectionBoundary = AXTextStateChangeTypeSelectionExtend + 1;

    var AXTextSelectionDirectionBeginning = 1;
    var AXTextSelectionDirectionEnd = AXTextSelectionDirectionBeginning + 1;
    var AXTextSelectionDirectionPrevious = AXTextSelectionDirectionEnd + 1;
    var AXTextSelectionDirectionNext = AXTextSelectionDirectionPrevious + 1;
    var AXTextSelectionDirectionDiscontiguous = AXTextSelectionDirectionNext + 1;

    var AXTextSelectionGranularityCharacter = 1;
    var AXTextSelectionGranularityWord = AXTextSelectionGranularityCharacter + 1;
    var AXTextSelectionGranularityLine = AXTextSelectionGranularityWord + 1;
    var AXTextSelectionGranularitySentence = AXTextSelectionGranularityLine + 1;
    var AXTextSelectionGranularityParagraph = AXTextSelectionGranularitySentence + 1;
    var AXTextSelectionGranularityDocument = AXTextSelectionGranularityParagraph + 2;

    function move(includeVertical) {
        // Move by character
        eventSender.keyDown("leftArrow");
        eventSender.keyDown("rightArrow");
        if (includeVertical) {
            // Move by line
            eventSender.keyDown("upArrow");
            eventSender.keyDown("downArrow");
        }
        // Move by word
        eventSender.keyDown("leftArrow", ["altKey"]);
        eventSender.keyDown("rightArrow", ["altKey"]);
        // Move to beginning/end of line
        eventSender.keyDown("leftArrow", ["metaKey"]);
        eventSender.keyDown("rightArrow", ["metaKey"]);
        if (includeVertical) {
            // Move to beginning/end of document
            eventSender.keyDown("upArrow", ["metaKey"]);
            eventSender.keyDown("downArrow", ["metaKey"]);
        }
    }

    var webArea = 0;
    var count = 0;
    var results = [];
    var i = 0;
    function notificationCallback(notification, userInfo) {
        if (notification == "AXSelectedTextChanged") {
            count++;
            if (userInfo) {
                results.push(userInfo["AXTextStateChangeType"]);
                if (userInfo["AXTextSelectionDirection"])
                    results.push(userInfo["AXTextSelectionDirection"]);
                if (userInfo["AXTextSelectionGranularity"])
                    results.push(userInfo["AXTextSelectionGranularity"]);
            }
            if (count == 29) {

                function shouldBeResults(includeVertical) {
                    // Focusing into the textbox
                    shouldBe("results[i]", "AXTextStateChangeTypeSelectionMove"); i++;
                    shouldBe("results[i]", "AXTextSelectionDirectionDiscontiguous");  i++;

                    // Left Arrow
                    shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary");  i++;
                    shouldBe("results[i]", "AXTextSelectionDirectionPrevious");  i++;
                    shouldBe("results[i]", "AXTextSelectionGranularityCharacter");  i++;

                    // Right Arrow
                    shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary");  i++;
                    shouldBe("results[i]", "AXTextSelectionDirectionNext");  i++;
                    shouldBe("results[i]", "AXTextSelectionGranularityCharacter");  i++;

                    if (includeVertical) {
                        // Up Arrow
                        shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary");  i++;
                        shouldBe("results[i]", "AXTextSelectionDirectionPrevious"); i++;
                        shouldBe("results[i]", "AXTextSelectionGranularityLine"); i++;

                        // Down Arrow
                        shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary"); i++;
                        shouldBe("results[i]", "AXTextSelectionDirectionNext"); i++;
                        shouldBe("results[i]", "AXTextSelectionGranularityLine"); i++;
                    }

                    // Option Left Arrow
                    shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary"); i++;
                    shouldBe("results[i]", "AXTextSelectionDirectionPrevious"); i++;
                    shouldBe("results[i]", "AXTextSelectionGranularityWord"); i++;

                    // Option Right Arrow
                    shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary"); i++;
                    shouldBe("results[i]", "AXTextSelectionDirectionNext"); i++;
                    shouldBe("results[i]", "AXTextSelectionGranularityWord"); i++;

                    // Command Left Arrow
                    shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary"); i++;
                    shouldBe("results[i]", "AXTextSelectionDirectionBeginning"); i++;
                    shouldBe("results[i]", "AXTextSelectionGranularityLine"); i++;

                    // Command Right Arrow
                    shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary"); i++;
                    shouldBe("results[i]", "AXTextSelectionDirectionEnd"); i++;
                    shouldBe("results[i]", "AXTextSelectionGranularityLine"); i++;

                    if (includeVertical) {
                        // Command Up Arrow
                        shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary"); i++;
                        // FIXME: This should be AXTextSelectionDirectionBeginning.
                        shouldBe("results[i]", "AXTextSelectionDirectionPrevious"); i++;
                        shouldBe("results[i]", "AXTextSelectionGranularityDocument"); i++;

                        // Command Down Arrow
                        shouldBe("results[i]", "AXTextStateChangeTypeSelectionBoundary"); i++;
                        // FIXME: This should be AXTextSelectionDirectionEnd.
                        shouldBe("results[i]", "AXTextSelectionDirectionNext"); i++;
                        shouldBe("results[i]", "AXTextSelectionGranularityDocument"); i++;
                    }
                }

                // Content Editable Div
                shouldBeResults(true);

                // Text Field
                shouldBeResults(false);

                // Text Area
                shouldBeResults(true);

                webArea.removeNotificationListener();
                finishJSTest();
            }
        }
    }

    if (window.accessibilityController) {
        jsTestIsAsync = true;

        accessibilityController.enableEnhancedAccessibility(true);

        webArea = accessibilityController.rootElement.childAtIndex(0);
        var addedNotification = webArea.addNotificationListener(notificationCallback);
        shouldBe("addedNotification", "true");

        function waitForAnimationFrame() {
            return new Promise(function(resolve, reject) {
                requestAnimationFrame(resolve);
            });
        }

        function focusElement(elementId) {
            element = document.getElementById(elementId);
            element.focus();
            return waitForAnimationFrame();
        }

        function moveAsync(isVertical) {
            move(isVertical);
            return waitForAnimationFrame();
        }

        (async function () {
            await focusElement("textbox");
            await moveAsync(true);
            await focusElement("input");
            await moveAsync(false);
            await focusElement("textarea");
            await moveAsync(true);
        })();
    }

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