<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=633602
-->
  <head>
    <title>Bug 633602 - file_movementXY.html</title>
    <script src="/tests/SimpleTest/SimpleTest.js">
    </script>
    <script src="/tests/SimpleTest/EventUtils.js">
    </script>
    <script type="application/javascript" src="pointerlock_utils.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=633602">
      Mozilla Bug 633602
    </a>
    <div id="div"></div>
    <pre id="test">
      <script type="application/javascript">
        /*
         * Test for Bug 633602
         * Checks if movementX and movementY are present
         * in the mouse event object.
         * It also checks the values for movementXY.
         * They should be equal to the current screenXY minus
         * the last screenXY
         */

        SimpleTest.waitForExplicitFinish();
        SimpleTest.requestFlakyTimeout("We may need to wait for window's moving");

        function MouseMovementStats() {
          this.screenX = false;
          this.screenY = false;
          this.movementX = false;
          this.movementY = false;
        }

        var div = document.getElementById("div")
          , divCenterWidth = 0
          , divCenterHeight = 0
          , movementX = false
          , movementY = false
          , firstMove = new MouseMovementStats()
          , secondMove = new MouseMovementStats();

        function runTests () {
          ok(movementX && movementY, "movementX and " +
            "movementY should exist in mouse events objects.");
          is(secondMove.movementX, secondMove.screenX - firstMove.screenX,
           "movementX should be equal to eNow.screenX-ePrevious.screenX");
          is(secondMove.movementY, secondMove.screenY - firstMove.screenY,
           "movementY should be equal to eNow.screenY-ePrevious.screenY");
        }

        var moveMouse = function(e) {
          info("Got mouse move");
          movementX = ("movementX" in e);
          movementY = ("movementY" in e);

          div.removeEventListener("mousemove", moveMouse);
          div.addEventListener("mousemove", moveMouseAgain);

          firstMove.screenX = e.screenX;
          firstMove.screenY = e.screenY;

          divCenterWidth = Math.round(div.getBoundingClientRect().width / 2);
          divCenterHeight = Math.round(div.getBoundingClientRect().height / 2);

          synthesizeMouse(div, (divCenterWidth + 10), (divCenterHeight + 10), {
            type: "mousemove"
          }, window);
        };

        var moveMouseAgain = function(e) {
          info("Got mouse move again");
          secondMove.screenX = e.screenX;
          secondMove.screenY = e.screenY;
          secondMove.movementX = e.movementX;
          secondMove.movementY = e.movementY;

          div.removeEventListener("mousemove", moveMouseAgain);
          addFullscreenChangeContinuation("exit", function() {
            info("Got fullscreenchange for exiting");
            runTests();
            SimpleTest.finish();
          });
          document.exitFullscreen();
        };

        function start() {
          info("Requesting fullscreen on parent");
          addFullscreenChangeContinuation("enter", function() {
            info("Got fullscreenchange for entering");
            div.addEventListener("mousemove", moveMouse);
            synthesizeMouseAtCenter(div, {type: "mousemove"}, window);
          });
          div.requestFullscreen();
        }
      </script>
    </pre>
  </body>
</html>
