| <!DOCTYPE HTML> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script src="../../../resources/gesture-util.js"></script> |
| <script src="resources/scroll-util.js"></script> |
| <style> |
| #targetDiv { |
| width: 200px; |
| height: 200px; |
| overflow: scroll; |
| } |
| |
| #innerDiv { |
| width: 400px; |
| height: 400px; |
| } |
| </style> |
| |
| <body style="margin:0"> |
| <div id="targetDiv"> |
| <div id="innerDiv"> |
| </div> |
| </div> |
| </body> |
| |
| <script> |
| if (window.internals) |
| internals.runtimeFlags.overscrollCustomizationEnabled = true; |
| |
| var target_div = document.getElementById('targetDiv'); |
| var rect = target_div.getBoundingClientRect(); |
| var x = rect.left + rect.width / 2; |
| var y = rect.top + rect.height / 2; |
| |
| var window_received_overscroll = false; |
| |
| function onOverscroll(event) { |
| assert_false(event.cancelable); |
| // overscroll events targetting document are bubbled to the window. |
| assert_true(event.bubbles); |
| window_received_overscroll = true; |
| } |
| window.addEventListener("overscroll", onOverscroll); |
| |
| async function test_overscroll_event_fire(source_device, |
| precise_scroll_deltas) { |
| window_received_overscroll = false; |
| await waitForCompositorCommit(); |
| |
| // Scroll up on target div and wait for the window to get overscroll event. |
| await scrollUp(source_device, precise_scroll_deltas); |
| await waitFor(() => { return window_received_overscroll; }, |
| 'Window did not receive overscroll event after scroll up on target.'); |
| } |
| |
| promise_test (async (t) => { |
| // Make sure that no overscroll event is sent to target_div. |
| target_div.addEventListener("overscroll", |
| t.unreached_func("target_div got unexpected overscroll event.")); |
| return test_overscroll_event_fire(GestureSourceType.TOUCH_INPUT); |
| }, 'Tests that the window gets overscroll event when no element scrolls' + |
| 'after touch scrolling.'); |
| |
| promise_test (async (t) => { |
| // Make sure that no overscroll event is sent to target_div. |
| target_div.addEventListener("overscroll", |
| t.unreached_func("target_div got unexpected overscroll event.")); |
| return test_overscroll_event_fire(GestureSourceType.MOUSE_INPUT, true); |
| }, 'Tests that the window gets overscroll event when no element scrolls ' + |
| 'after non-animated wheel scrolling.'); |
| |
| promise_test (async (t) => { |
| // Make sure that no overscroll event is sent to target_div. |
| target_div.addEventListener("overscroll", |
| t.unreached_func("target_div got unexpected overscroll event.")); |
| return test_overscroll_event_fire(GestureSourceType.MOUSE_INPUT, false); |
| }, 'Tests that the window gets overscroll event when no element scrolls ' + |
| 'after animated wheel scrolling(smooth scrolling).'); |
| </script> |
