| <!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> |
| #scrollableDiv { |
| width: 200px; |
| height: 200px; |
| overflow: scroll; |
| } |
| |
| #innerDiv { |
| width: 400px; |
| height: 400px; |
| } |
| </style> |
| |
| <body style="margin:0"> |
| <div id="scrollableDiv"> |
| <div id="innerDiv"> |
| </div> |
| </div> |
| </body> |
| |
| <script> |
| if (window.internals) |
| internals.runtimeFlags.overscrollCustomizationEnabled = true; |
| |
| var scrolling_div = document.getElementById('scrollableDiv'); |
| var rect = scrolling_div.getBoundingClientRect(); |
| var x = rect.left + rect.width / 2; |
| var y = rect.top + rect.height / 2; |
| |
| var horizontal_scrollend_arrived = false; |
| var vertical_scrollend_arrived = false; |
| function onHorizontalScrollEnd(event) { |
| assert_false(event.cancelable); |
| assert_false(event.bubbles); |
| horizontal_scrollend_arrived = true; |
| } |
| function onVerticalScrollEnd(event) { |
| assert_false(event.cancelable); |
| assert_false(event.bubbles); |
| vertical_scrollend_arrived = true; |
| } |
| scrolling_div.addEventListener("scrollend", onHorizontalScrollEnd); |
| scrolling_div.addEventListener("scrollend", onVerticalScrollEnd); |
| |
| async function test_scrollend_event_fire(source_device, |
| precise_scroll_deltas) { |
| horizontal_scrollend_arrived = false; |
| vertical_scrollend_arrived = false; |
| scrolling_div.scrollTo(0, 0); |
| await waitForCompositorCommit(); |
| |
| // Do a horizontal scroll and wait for scrollend event. |
| await scrollRight(source_device, precise_scroll_deltas); |
| await waitFor(() => { return horizontal_scrollend_arrived; }, |
| 'Scroller did not receive scrollend event after horizontal scroll.'); |
| assert_equals(scrolling_div.scrollWidth - scrolling_div.scrollLeft, |
| scrolling_div.clientWidth); |
| |
| // Do a vertical scroll and wait for scrollend event. |
| await scrollDown(source_device, precise_scroll_deltas); |
| await waitFor(() => { return vertical_scrollend_arrived; }, |
| 'Scroller did not receive scrollend event after vertical scroll.'); |
| assert_equals(scrolling_div.scrollHeight - scrolling_div.scrollTop, |
| scrolling_div.clientHeight); |
| } |
| |
| promise_test (async (t) => { |
| // Make sure that no scrollend event is sent to document. |
| document.addEventListener("scrollend", |
| t.unreached_func("Document got unexpected scrollend event.")); |
| return test_scrollend_event_fire(GestureSourceType.TOUCH_INPUT); |
| }, 'Tests that the scrolled element gets scrollend event at the end of touch scrolling.'); |
| promise_test (async (t) => { |
| // Make sure that no scrollend event is sent to document. |
| document.addEventListener("scrollend", |
| t.unreached_func("Document got unexpected scrollend event.")); |
| return test_scrollend_event_fire(GestureSourceType.MOUSE_INPUT, true); |
| }, 'Tests that the scrolled element gets scrollend event at the end of ' + |
| 'non-animated wheel scrolling.'); |
| promise_test (async (t) => { |
| // Make sure that no scrollend event is sent to document. |
| document.addEventListener("scrollend", |
| t.unreached_func("Document got unexpected scrollend event.")); |
| return test_scrollend_event_fire(GestureSourceType.MOUSE_INPUT, false); |
| }, 'Tests that the scrolled element gets scrollend event at the end of ' + |
| 'animated wheel scrolling (smooth-scrolling).'); |
| </script> |
