| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/webxr_util.js"></script> |
| <script src="resources/webxr_test_constants.js"></script> |
| |
| <script> |
| let testName = "Transient input sources fire events in the right order"; |
| |
| let watcherDone = new Event("watcherdone"); |
| |
| let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE; |
| |
| let testFunction = function(session, fakeDeviceController, t) { |
| let eventWatcher = new EventWatcher( |
| t, session, ["inputsourceschange", "selectstart", "select", "selectend", "watcherdone"]); |
| let eventPromise = eventWatcher.wait_for( |
| ["inputsourceschange", "selectstart", "select", "selectend", "inputsourceschange", "watcherdone"]); |
| |
| let inputChangeEvents = 0; |
| let cached_input_source = null; |
| function onInputSourcesChange(event) { |
| t.step(() => { |
| inputChangeEvents++; |
| assert_equals(event.session, session); |
| validateSameObject(event); |
| |
| // The first change event should be adding our controller. |
| if (inputChangeEvents === 1) { |
| validateAdded(event.added, 1); |
| validateRemoved(event.removed, 0); |
| cached_input_source = session.inputSources[0]; |
| assert_not_equals(cached_input_source, null); |
| } else if (inputChangeEvents === 2) { |
| // The second event should be removing our controller. |
| validateAdded(event.added, 0); |
| validateRemoved(event.removed, 1); |
| assert_true(event.removed.includes(cached_input_source)); |
| session.dispatchEvent(watcherDone); |
| } |
| }); |
| } |
| |
| function validateAdded(added, length) { |
| t.step(() => { |
| assert_not_equals(added, null); |
| assert_equals(added.length, length, |
| "Added length matches expectations"); |
| |
| let currentSources = Array.from(session.inputSources.values()); |
| added.forEach((source) => { |
| assert_true(currentSources.includes(source), |
| "Every element in added should be in the input source list"); |
| }); |
| }); |
| } |
| |
| function validateRemoved(removed, length) { |
| t.step(() => { |
| assert_not_equals(removed, null); |
| assert_equals(removed.length, length, |
| "Removed length matches expectations"); |
| |
| let currentSources = Array.from(session.inputSources.values()); |
| removed.forEach((source) => { |
| assert_false(currentSources.includes(source), |
| "No element in removed should be in the input source list"); |
| }); |
| }); |
| } |
| |
| // Verifies that the same object is returned each time attributes are accessed |
| // on an XRInputSourcesChangeEvent, as required by the spec. |
| function validateSameObject(event) { |
| let eventSession = event.session; |
| let added = event.added; |
| let removed = event.removed; |
| |
| t.step(() => { |
| assert_equals(eventSession, event.session, |
| "XRInputSourcesChangeEvent.session returns the same object."); |
| assert_equals(added, event.added, |
| "XRInputSourcesChangeEvent.added returns the same object."); |
| assert_equals(removed, event.removed, |
| "XRInputSourcesChangeEvent.removed returns the same object."); |
| }); |
| } |
| |
| session.addEventListener('inputsourceschange', onInputSourcesChange, false); |
| |
| // Create our input source and immediately toggle the primary input so that |
| // it appears as already needing to send a click event when it appears. |
| let input_source = fakeDeviceController.simulateInputSourceConnection({ |
| handedness: "right", |
| targetRayMode: "tracked-pointer", |
| pointerOrigin: VALID_POINTER_TRANSFORM, |
| profiles: [], |
| selectionClicked: true |
| }); |
| |
| // Make our input source disappear after one frame, and wait an additional |
| // frame for that disappearance to propogate. |
| requestSkipAnimationFrame(session, (time, xrFrame) => { |
| input_source.disconnect(); |
| session.requestAnimationFrame((time, xrFrame) => {}); |
| }); |
| |
| return eventPromise; |
| }; |
| |
| xr_session_promise_test( |
| testName, testFunction, fakeDeviceInitParams, 'immersive-vr'); |
| </script> |