| <!DOCTYPE html> |
| <script src='../../resources/testharness.js'></script> |
| <script src='../../resources/testharnessreport.js'></script> |
| <script src='../../resources/gesture-util.js'></script> |
| |
| <style> |
| #scrollme, |
| #notscrollme { |
| width: 100px; |
| height: 100px; |
| overflow: auto; |
| } |
| |
| #scrollme p { |
| height: 1000px; |
| } |
| </style> |
| |
| <div id='scrollme'> |
| <p>This is a scrollable div.</p> |
| </div> |
| <div id='notscrollme'></div> |
| |
| <script> |
| function initEventHandlers(element) { |
| element.addEventListener('mousedown', handleEvent); |
| element.addEventListener('mouseup', handleEvent); |
| } |
| |
| window.events = { |
| 'scrollme': [], |
| 'notscrollme': [] |
| }; |
| |
| function handleEvent(e) { |
| window.events[e.target.id].push(e); |
| } |
| |
| window.onload = async () => { |
| let d1 = document.querySelector('#scrollme'); |
| let d2 = document.querySelector('#notscrollme'); |
| |
| initEventHandlers(d1); |
| initEventHandlers(d2); |
| |
| internals.settings.setScrollAnimatorEnabled(false); |
| |
| promise_test(async () => { |
| await waitForCompositorCommit(); |
| await mouseDragAndDrop(d1.offsetLeft + d1.offsetWidth - 4, |
| d1.offsetTop + 30, |
| d2.offsetLeft + d2.offsetWidth - 4, |
| d2.offsetTop + 4); |
| await waitFor(() => { return events['scrollme'].length == 2; }); |
| |
| assert_greater_than(d1.scrollTop, 0); |
| assert_equals(d2.scrollTop, 0); |
| assert_equals(events['notscrollme'].length, 0); |
| assert_equals(events['scrollme'][0].type, 'mousedown'); |
| assert_equals(events['scrollme'][0].which, 1); |
| assert_equals(events['scrollme'][1].type, 'mouseup'); |
| assert_equals(events['scrollme'][1].which, 1); |
| |
| d1.scrollTop = 0; |
| await waitForCompositorCommit(); |
| await mouseDragAndDrop(d1.offsetLeft + d1.offsetWidth - 4, |
| d1.offsetTop + 30, |
| d2.offsetLeft + d2.offsetWidth - 4, |
| d2.offsetTop + 4, |
| 'middle'); |
| await waitFor(() => { return events['scrollme'].length == 4; }); |
| |
| assert_greater_than(d1.scrollTop, 0); |
| assert_equals(d2.scrollTop, 0); |
| assert_equals(events['notscrollme'].length, 0); |
| assert_equals(events['scrollme'][2].type, 'mousedown'); |
| assert_equals(events['scrollme'][2].which, 2); |
| assert_equals(events['scrollme'][3].type, 'mouseup'); |
| assert_equals(events['scrollme'][3].which, 2); |
| }, 'Drag a scrollbar and release it on another DIV, only the DIV owns the' + |
| ' dragging scrollbar receive mouse events'); |
| } |
| </script> |
