<!DOCTYPE html>
<html>
<head>
<script src="../../resources/js-test.js"></script>
<script src="../../resources/accessibility-helper.js"></script>
<script>
    description("Test that assistiveTechnologyMakeFirstResponder works correctly on iOS.");
    window.jsTestIsAsync = true;

    function performTest() {
        if (window.testRunner) {
            setTimeout(async function() {
                await verifyWebContentIsFirstResponder(true);
                debug("Resigning web content first respondership");
                await resignWebContentFirstResponder();
                await verifyWebContentIsFirstResponder(false);

                var inputObj = accessibilityController.accessibleElementById("input");
                inputObj.takeFocus();
                debug("Performing accessibility object focus");

                await verifyWebContentIsFirstResponder(true);
                finishJSTest();
            }, 0);
        }
    }

    var isWebContentFirstResponder;
    async function verifyWebContentIsFirstResponder(expectFirstRespondership)
    {
        // Set the global var to the opposite of what we expect and allow the UI script to give us the expected value.
        isWebContentFirstResponder = !expectFirstRespondership;

        // Because taking and resigning first respondership requires async IPC between the web and UI processes, we
        // must also asynchronously wait to get our expected value.
        await waitFor(() => {
            setTimeout(async () => {
                isWebContentFirstResponder = await (new Promise(resolve => {
                    testRunner.runUIScript(`uiController.isWebContentFirstResponder`, result => resolve(result === "true"));
                }));
            }, 0)
            return isWebContentFirstResponder == expectFirstRespondership;
        });
        shouldBe("isWebContentFirstResponder", `${expectFirstRespondership}`);
    }

    async function resignWebContentFirstResponder()
    {
        await (new Promise(resolve => {
            testRunner.runUIScript(`uiController.resignFirstResponder()`, resolve);
        }));
    }

    window.addEventListener('load', performTest, false);
    </script>
</head>
<body>
    <input id="input" type="text">
</body>
</html>