<!DOCTYPE html>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script>
<script src="file:///gen/device/vr/public/mojom/vr_service.mojom.js"></script>
<script src="../external/wpt/resources/chromium/webxr-test.js"></script>
<script src="../external/wpt/webxr/resources/webxr_test_constants.js"></script>
<script src="../xr/resources/xr-internal-device-mocking.js"></script>
<script src="../xr/resources/xr-test-utils.js"></script>
<canvas id="webgl-canvas"></canvas>

<script>
let testName = "Calling end during an input callback stops processing at the right time";

let fakeDeviceInitParams = { supportsImmersive:true };

let requestSessionModes = ['immersive-vr'];

function requestImmersiveSession() {
  return new Promise((resolve, reject) => {
    runWithUserGesture(() => {
      navigator.xr.requestSession('immersive-vr').then((session) => {
        resolve(session);
      }, (err) => {
        reject(err);
      });
    });
  });
}

let testFunction = function(session, t, fakeDeviceController) {

  // helper method to send a click and then request a dummy animation frame to
  // ensure that the click propagates.  We're doing everything in these tests
  // from event watchers, we just need to trigger the add/click to make the
  // event listeners callback.
  function sendClick(session) {
    let input_source = new MockXRInputSource();
    input_source.primaryInputClicked = true;
    fakeDeviceController.addInputSource(input_source);
    session.requestAnimationFrame(() => {});
  }

  function sessionEndTest(endEvent, eventOrder) {
    return requestImmersiveSession().then((session) => {
      let eventWatcher = new EventWatcher(t, session,
        ["inputsourceschange", "selectstart", "select", "selectend", "end"]);
      let eventPromise = eventWatcher.wait_for(eventOrder);

      // Session must have a baseLayer or frame requests will be ignored.
      session.updateRenderState({ baseLayer: new XRWebGLLayer(session, gl) });

      session.addEventListener(endEvent, ()=> {
        session.end();
      }, false);

      sendClick(session);
      return eventPromise;
    });
  }

  // Need to have a valid pose or input events don't process.
  fakeDeviceController.setXRPresentationFrameData(VALID_POSE_MATRIX, [{
      eye:"left",
      projectionMatrix: VALID_PROJECTION_MATRIX,
      viewMatrix: VALID_VIEW_MATRIX
    }, {
      eye:"right",
      projectionMatrix: VALID_PROJECTION_MATRIX,
      viewMatrix: VALID_VIEW_MATRIX
    }]);

  // End our first session, just for simplicity, then make end session calls
  // during each of our input events, and ensure that events stop processing
  // and no crashes occur from calling end inside the event callbacks.
  return session.end().then(() => {
    return sessionEndTest("inputsourceschange", ["inputsourceschange", "end"]);
  }).then(() => {
    return sessionEndTest("selectstart", ["inputsourceschange", "selectstart", "selectend", "end"]);
  }).then(() => {
    return sessionEndTest("select", ["inputsourceschange", "selectstart", "select", "selectend", "end"]);
  }).then(() => {
    return sessionEndTest("selectend", ["inputsourceschange", "selectstart", "select", "selectend", "end"]);
  });
};

xr_session_promise_test(
  testFunction, fakeDeviceInitParams, requestSessionModes, testName);

</script>