| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Click targets the nearest common ancestor</title> |
| <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> |
| <style> |
| div { |
| padding: 10px; |
| margin: 5px; |
| } |
| a { |
| background: grey; |
| } |
| </style> |
| </head> |
| <body id='body'> |
| <h1>Click targeting when targets of down and up are child and parents</h1> |
| This test verifies that click event always goes to the first common ancestor of down and up event targets. |
| |
| <ul> |
| <li>Press down the primary button on link 1 and move onto green container and release.</li> |
| <li>Press down the primary button on red container and move onto link 2 and release.</li> |
| <li>Click done.</li> |
| </ul> |
| |
| <div id="link_container1" style="background: green"> |
| <a id="link1" href="#">link1</a> |
| </div> |
| |
| <div id="link_container2" style="background: red"> |
| <a id="link2" href="#">link2</a> |
| </div> |
| <button id="done">Done</button> |
| <script> |
| var test_click_target = async_test("Click targets the nearest common ancestor"); |
| var actions_promise; |
| |
| // Prevent drag to avoid interfering with the click. |
| document.addEventListener('dragstart', (e) => e.preventDefault()); |
| |
| var events = []; |
| var nodes = ['link_container1', 'link1', 'link_container2', 'link2', 'body']; |
| |
| for (var i = 0; i < nodes.length; i++) { |
| ['mousedown', 'mouseup', 'click'].forEach((eventName) => { |
| document.getElementById(nodes[i]).addEventListener(eventName, (e) => { |
| if (e.eventPhase == Event.AT_TARGET) |
| events.push(e.type + '@' + e.target.id); |
| }); |
| }); |
| } |
| document.getElementById('done').addEventListener('click', () => { |
| test_click_target.step(() => { |
| assert_equals (events.join(','), |
| "mousedown@link1,mouseup@link_container1,click@link_container1,mousedown@link_container2,mouseup@link2,click@link_container2", |
| "Click should be sent to the nearest common ancestor"); |
| }); |
| // Make sure the test finishes after all the input actions are completed. |
| actions_promise.then( () => { |
| test_click_target.done(); |
| }); |
| }); |
| |
| // Inject mouse events. |
| var actions = new test_driver.Actions(); |
| actions_promise = actions.pointerMove(0, 0, {origin: document.getElementById('link1')}) |
| .pointerDown() |
| .pointerMove(0, 0, {origin: document.getElementById('link_container1')}) |
| .pointerUp() |
| .pointerMove(0, 0, {origin: document.getElementById('link_container2')}) |
| .pointerDown() |
| .pointerMove(0, 0, {origin: document.getElementById('link2')}) |
| .pointerUp() |
| .pointerMove(0, 0, {origin: document.getElementById('done')}) |
| .pointerDown() |
| .pointerUp() |
| .send(); |
| </script> |
| </body> |
| </html> |