<!DOCTYPE html> <title>Shadow DOM: Event path and Event.composedPath() (with related target)</title> <meta name="author" title="Hayato Ito" href="mailto:hayato@google.com"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="resources/shadow-dom.js"></script> <div id="test1"> <div id="target"></div> <div id="related"></div> </div> <script> test(() => { let n = createTestTree(test1); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.related })); let path = ['target', 'test1']; assert_event_path_equals(log, [['target', 'target', 'related', path], ['test1', 'target', 'related', path]]); }, 'Event path for an event with a relatedTarget. relatedTarget != target.'); </script> <script> test(() => { let n = createTestTree(test1); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.target })); let path = ['target', 'test1']; assert_event_path_equals(log, [['target', 'target', 'target', path], ['test1', 'target', 'target', path]]); }, 'Event path for an event with a relatedTarget. Event should be dispatched even when target and relatedTarget are same.'); </script> <div id="test2"> <div id="host"> <template id="sr" data-mode="open"> <div id="target"></div> <div id="related"></div> </template> </div> </div> <script> test(() => { let n = createTestTree(test2); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.related })); let path = ['target', 'sr']; assert_event_path_equals(log, [['target', 'target', 'related', path], ['sr', 'target', 'related', path]]); }, 'Event path for an event with a relatedTarget. Event should stop at the shadow root'); test(() => { let n = createTestTree(test2); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.target })); let path = ['target', 'sr']; assert_event_path_equals(log, [['target', 'target', 'target', path], ['sr', 'target', 'target', path]]); }, 'Event path for an event with a relatedTarget which is identical to target. Event should be dispatched and should stop at the shadow root.'); </script> <div id="test3_1"> <div id="host1"> <template id="sr1" data-mode="open"> <div id="target1"></div> </template> </div> </div> <div id="test3_2"> <div id="host2"> <template id="sr2" data-mode="open"> <div id="target2"></div> </template> </div> </div> <script> test(() => { let n1 = createTestTree(test3_1); let n2 = createTestTree(test3_2); let log = dispatchEventWithLog(n1, n1.target1, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n2.target2 })); let path = ['target1', 'sr1', 'host1', 'test3_1']; assert_event_path_equals(log, [['target1', 'target1', 'host2', path], ['sr1', 'target1', 'host2', path], ['host1', 'host1', 'host2', path], ['test3_1', 'host1', 'host2', path]]); }, 'Event path for an event with a relatedTarget. target and relaterTarget do not share any shadow-including ancestor. target is in a shadow tree.'); test(() => { let n1 = createTestTree(test3_1); let n2 = createTestTree(test3_2); let log = dispatchEventWithLog(n1, n1.host1, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n2.target2 })); let path = ['host1', 'test3_1']; assert_event_path_equals(log, [['host1', 'host1', 'host2', path], ['test3_1', 'host1', 'host2', path]]); }, 'Event path for an event with a relatedTarget. target and relaterTarget do not share any shadow-including ancestor. target is not in a shadow tree'); </script> <div id="test4"> <div id="host1"> <template id="sr1" data-mode="open"> <div id="host2"> <template id="sr2" data-mode="open"> <div id="target"></div> </template> </div> <div id="host3"> <template id="sr3" data-mode="open"> <div id="related"></div> </template> </div> </template> </div> </div> <script> test(() => { let n = createTestTree(test4); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.related })); let path = ['target', 'sr2', 'host2', 'sr1']; assert_event_path_equals(log, [['target', 'target', 'host3', path], ['sr2', 'target', 'host3', path], ['host2', 'host2', 'host3', path], ['sr1', 'host2', 'host3', path]]); }, 'Event path for an event with a relatedTarget. target and relaterTarget share the same shadow-including ancestor. Both are in shadow trees.'); test(() => { let n = createTestTree(test4); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.host1 })); let path = ['target', 'sr2', 'host2', 'sr1']; assert_event_path_equals(log, [['target', 'target', 'host1', path], ['sr2', 'target', 'host1', path], ['host2', 'host2', 'host1', path], ['sr1', 'host2', 'host1', path]]); }, 'Event path for an event with a relatedTarget. relatedTarget is a shadow-including ancestor of target.'); test(() => { let n = createTestTree(test4); let log = dispatchEventWithLog(n, n.host1, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.target })); assert_event_path_equals(log, []); }, 'Event path for an event with a relatedTarget. target is a shadow-including ancestor of relatedTarget.'); </script> <div id="test5"> <div id="host"> <template id="sr" data-mode="open"> <slot id="slot"></slot> <div id="related"></div> </template> <div id="target"></div> </div> </div> <script> test(() => { let n = createTestTree(test5); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.related })); let path = ['target', 'slot', 'sr', 'host', 'test5']; assert_event_path_equals(log, [['target', 'target', 'host', path], ['slot', 'target', 'related', path], ['sr', 'target', 'related', path], ['host', 'target', 'host', path], ['test5', 'target', 'host', path]]); }, 'Event path for an event with a relatedTarget. target is assigned to a slot.'); test(() => { let n = createTestTree(test5); let log = dispatchEventWithLog(n, n.related, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.target })); let path = ['related', 'sr', 'host', 'test5']; assert_event_path_equals(log, [['related', 'related', 'target', path], ['sr', 'related', 'target', path], ['host', 'host', 'target', path], ['test5', 'host', 'target', path]]); }, 'Event path for an event with a relatedTarget. relatedTarget is assigned to a slot.'); </script> <div id="test6"> <div id="host0"> <template id="sr0" data-mode="open"> <div id="host1"> <template id="sr1" data-mode="open"> <div id="host2"> <template id="sr2" data-mode="open"> <slot id="slot2"></slot> <div id="related2"></div> </template> <div id="related1"></div> <div id="d1"> <slot id="slot1"></slot> </div> </div> </template> <div id="host3"> <template id="sr3" data-mode="open"> <div id="host4"> <template id="sr4" data-mode="open"> <div id="host5"> <template id="sr5" data-mode="open"> <slot id="slot5"></slot> </template> <slot id="slot4"></slot> </div> </template> <div id="target"></div> </div> </template> </div> </div> </template> </div> </div> <script> test(() => { let n = createTestTree(test6); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.related1 })); let path = ['target', 'slot4', 'slot5', 'sr5', 'host5', 'sr4', 'host4', 'sr3', 'host3', 'slot1', 'd1', 'slot2', 'sr2', 'host2', 'sr1', 'host1', 'sr0']; assert_event_path_equals(log, [['target', 'target', 'host1', path], ['slot4', 'target', 'host1', path], ['slot5', 'target', 'host1', path], ['sr5', 'target', 'host1', path], ['host5', 'target', 'host1', path], ['sr4', 'target', 'host1', path], ['host4', 'target', 'host1', path], ['sr3', 'target', 'host1', path], ['host3', 'host3', 'host1', path], ['slot1', 'host3', 'related1', path], ['d1' , 'host3', 'related1', path], ['slot2', 'host3', 'related1', path], ['sr2', 'host3', 'related1', path], ['host2', 'host3', 'related1', path], ['sr1', 'host3', 'related1', path], ['host1', 'host3', 'host1', path], ['sr0', 'host3', 'host1' , path]]); }, 'Event path for an event with a relatedTarget. Event should be dispatched at every slots.'); test(() => { let n = createTestTree(test6); let log = dispatchEventWithLog(n, n.target, new FocusEvent('my-focus', { bubbles: true, composed: true, relatedTarget: n.related2 })); let path = ['target', 'slot4', 'slot5', 'sr5', 'host5', 'sr4', 'host4', 'sr3', 'host3', 'slot1', 'd1', 'slot2', 'sr2', 'host2', 'sr1', 'host1', 'sr0']; assert_event_path_equals(log, [['target', 'target', 'host1', path], ['slot4', 'target', 'host1', path], ['slot5', 'target', 'host1', path], ['sr5', 'target', 'host1', path], ['host5', 'target', 'host1', path], ['sr4', 'target', 'host1', path], ['host4', 'target', 'host1', path], ['sr3', 'target', 'host1', path], ['host3', 'host3', 'host1', path], ['slot1', 'host3', 'host2', path], ['d1' , 'host3', 'host2', path], ['slot2', 'host3', 'related2', path], ['sr2', 'host3', 'related2', path], ['host2', 'host3', 'host2', path], ['sr1', 'host3', 'host2', path], ['host1', 'host3', 'host1', path], ['sr0', 'host3', 'host1' , path]]); }, 'Event path for an event with a relatedTarget. Event should be dispatched at every slots. relatedTarget should be correctly retargeted.'); </script>