| <!DOCTYPE html> |
| <title>@container: scroll-state(scrolled) scrollbar track click scroll</title> |
| <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#scrolled"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-actions.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script src="/web-animations/testcommon.js"></script> |
| <script src="/dom/events/scrolling/scroll_support.js"></script> |
| <script src="/css/css-conditional/container-queries/support/cq-testcommon.js"></script> |
| <style> |
| #scroller { |
| width: 200px; |
| height: 200px; |
| container-type: scroll-state; |
| overflow-y: scroll; |
| } |
| #filler { |
| height: 600px; |
| } |
| #target { |
| --none: no; |
| --y: no; |
| @container scroll-state(scrolled: none) { |
| --none: yes; |
| } |
| @container scroll-state(scrolled: y) { |
| --y: yes; |
| } |
| } |
| </style> |
| <div id="scroller"> |
| <div id="filler"> |
| <div id="target"></div> |
| </div> |
| </div> |
| <script> |
| setup(() => assert_implements_scroll_state_container_queries()); |
| |
| function scrollbar_track_click(track_position) { |
| return new test_driver.Actions() |
| .addPointer("TestPointer", "mouse") |
| .pointerMove(Math.round(track_position.x), Math.round(track_position.y)) |
| .pointerDown() |
| .pointerUp() |
| .send(); |
| } |
| |
| promise_test(async t => { |
| assert_equals(scroller.scrollTop, 0); |
| |
| let scrollEndPromise = waitForScrollEndFallbackToDelayWithoutScrollEvent(scroller); |
| |
| /* Scrollbar should be located on top right side */ |
| const track_position = { x: 200, y: 150 }; |
| await scrollbar_track_click(track_position); |
| |
| await scrollEndPromise; |
| await waitForAnimationFrames(2); |
| |
| assert_not_equals(scroller.scrollTop, 0); |
| assert_equals(getComputedStyle(target).getPropertyValue("--y"), "yes"); |
| |
| }, "Scrollbar track click scroll"); |
| |
| </script> |
