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<!doctype html>
<html>
    <head>
        <title>Pointer Events pointer lock tests</title>
        <meta name="viewport" content="width=device-width">
        <link rel="stylesheet" type="text/css" href="/external/wpt/pointerevents/pointerevent_styles.css">
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="/resources/testdriver.js"></script>
        <script src="/resources/testdriver-actions.js"></script>
        <script src="/resources/testdriver-vendor.js"></script>
        <script type="text/javascript" src="../pointerevent_support.js"></script>
        <style>
          #testContainer {
            touch-action: none;
            user-select: none;
            position: relative;
          }
        </style>
        <script>
           PhaseEnum = {
              BeforeLocked:     0,
              PointerLocked:    1,
              PointerUnlocked:  2,
              Done:             3,
            };
            var phase = PhaseEnum.BeforeLocked;
            var last_event;
            var mouseeventMovements = []
            var pointereventMovements = []

            function resetTestState() {
            }

            function run() {
                var test_pointerEvent = setup_pointerevent_test("pointerevent movementX/Y with pointerlock test", ['mouse']);

                function testPointerMoves(event) {
                    if (last_event) {
                        if (phase == PhaseEnum.PointerLocked){
                            test_pointerEvent.step(function() {
                                assert_equals(event.screenX, last_event.screenX);
                                assert_equals(event.screenY, last_event.screenY);
                            });
                        } else { // BeforeLocked || Unlocked
                            test_pointerEvent.step(function() {
                                assert_equals(event.screenX - last_event.screenX, event.movementX);
                                assert_equals(event.screenY - last_event.screenY, event.movementY);
                            });
                        }
                    }
                    last_event = event;
                }

                on_event(target, 'click', function(event) {
                    if (phase == PhaseEnum.BeforeLocked)
                       target.requestPointerLock();
                    else if (phase == PhaseEnum.PointerLocked)
                       document.exitPointerLock();
                    else if (phase == PhaseEnum.PointerUnlocked)
                        test_pointerEvent.done();
                });
                on_event(target, 'pointermove', function(event) {
                    if (phase == PhaseEnum.PointerLocked) {
                        pointereventMovements.push(`${event.movementX}, ${event.movementY}`);
                    }
                    testPointerMoves(event);
                });
                on_event(target, 'mousemove', function(event) {
                    if (phase == PhaseEnum.PointerLocked) {
                        mouseeventMovements.push(`${event.movementX}, ${event.movementY}`);
                    }
                });
                on_event(document, 'pointerlockchange', function(event) {
                    phase++;
                    last_event = null;
                    if (phase == PhaseEnum.PointerLocked) {
                        test_pointerEvent.step(function() {
                            assert_equals(document.pointerLockElement, target, "document.pointerLockElement should be target.");
                        });
                    } else if (phase == PhaseEnum.PointerUnlocked) {
                        test_pointerEvent.step(function() {
                            assert_equals(document.pointerLockElement, null, "document.pointerLockElement should be null.");
                            assert_not_equals(mouseeventMovements.length, 0);
                            assert_array_equals(pointereventMovements, mouseeventMovements, "pointermove should have movementX/Y same as mousemove");
                        });
                    }
                    pointerHoverInTarget('mouse', target, 'right').then(function() {
                        return clickInTarget("mouse", target);
                    });
                });

                // Inject mouse inputs.
                pointerHoverInTarget('mouse', target, 'right').then(function() {
                    return clickInTarget("mouse", target);
                });
            }
        </script>
    </head>
    <body onload="run()">
        <h1>Pointer Events movement with pointerlock test</h1>
        <h2 id="pointerTypeDescription"></h2>
        <h4>
            Test Description: This test checks pointerevent movementX/Y value with pointerlock.
            It checks whether movement X/Y matches event.screenX/Y - last_event.screenX/Y when pointer is not locked;
            And if pointermove.movementX/Y matches mousemove.movementX/Y when pointer is locked.
            <ol>
                 <li>Move the mouse inside the green rectangle.</li>
                 <li>Click left button on the green rectangle.(Enter pointerlock)</li>
                 <li>Move the mouse around.</li>
                 <li>Click left button again</li>
                 <li>Move the mouse inside the green rectangle.</li>
                 <li>Click left button again to end the test.</li>
            </ol>

            Test passes if the proper behavior of the events is observed.
        </h4>
        <div id="testContainer">
            <div id="target" style="width:800px;height:250px;background:green"></div>
        </div>
        <div class="spacer"></div>
    </body>
</html>