| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <link rel="author" href="mailto:masonf@chromium.org"> |
| <link rel=help href="https://open-ui.org/components/popover.research.explainer"> |
| <link rel=help href="https://html.spec.whatwg.org/multipage/popover.html"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <!-- Enumerate all the ways of creating an ancestor popover relationship --> |
| |
| <div class="example"> |
| <p>Direct DOM children</p> |
| <div popover class=ancestor><p>Ancestor popover</p> |
| <div popover class=child><p>Child popover</p></div> |
| </div> |
| </div> |
| |
| <div class="example"> |
| <p>Grandchildren</p> |
| <div popover class=ancestor><p>Ancestor popover</p> |
| <div> |
| <div> |
| <div popover class=child><p>Child popover</p></div> |
| </div> |
| </div> |
| </div> |
| </div> |
| |
| <div class="example"> |
| <p>popovertarget attribute relationship</p> |
| <div popover class=ancestor><p>Ancestor popover</p> |
| <button popovertarget=trigger1 class=clickme>Button</button> |
| </div> |
| <div id=trigger1 popover class=child><p>Child popover</p></div> |
| </div> |
| |
| <div class="example"> |
| <p>nested popovertarget attribute relationship</p> |
| <div popover class=ancestor><p>Ancestor popover</p> |
| <div> |
| <div> |
| <button popovertarget=trigger2 class=clickme>Button</button> |
| </div> |
| </div> |
| </div> |
| <div id=trigger2 popover class=child><p>Child popover</p></div> |
| </div> |
| |
| <div class="example"> |
| <p>anchor attribute relationship</p> |
| <div id=anchor1 popover class=ancestor><p>Ancestor popover</p></div> |
| <div anchor=anchor1 popover class=child><p>Child popover</p></div> |
| </div> |
| |
| <div class="example"> |
| <p>indirect anchor attribute relationship</p> |
| <div popover class=ancestor> |
| <p>Ancestor popover</p> |
| <div> |
| <div> |
| <span id=anchor2>Anchor</span> |
| </div> |
| </div> |
| </div> |
| <div anchor=anchor2 popover class=child><p>Child popover</p></div> |
| </div> |
| |
| <!-- Other examples --> |
| |
| <div popover id=p1 anchor=b1><p>This is popover #1</p> |
| <button id=b2 onclick='p2.showPopover()'>Popover 2</button> |
| <button id=b4 onclick='p4.showPopover()'>Popover 4</button> |
| </div> |
| <div popover id=p2 anchor=b2><p>This is popover #2</p> |
| <button id=b3 onclick='p3.showPopover()'>Popover 3</button> |
| </div> |
| <div popover id=p3 anchor=b3><p>This is popover #3</p></div> |
| <div popover id=p4 anchor=b4><p>This is popover #4</p></div> |
| <button id=b1 onclick='p1.showPopover()'>Popover 1</button> |
| |
| <dialog id=d1>This is a dialog<button onclick='this.parentElement.close()'>Close</button></dialog> |
| <button id=b5 onclick='d1.showPopover()'>Dialog</button> |
| |
| <script> |
| // Test basic ancestor relationships |
| for(let example of document.querySelectorAll('.example')) { |
| const descr = example.querySelector('p').textContent; |
| const ancestor = example.querySelector('[popover].ancestor'); |
| const child = example.querySelector('[popover].child'); |
| const clickToActivate = example.querySelector('.clickme'); |
| test(function() { |
| assert_true(!!descr && !!ancestor && !!child); |
| assert_false(ancestor.matches(':popover-open')); |
| assert_false(child.matches(':popover-open')); |
| ancestor.showPopover(); |
| if (clickToActivate) |
| clickToActivate.click(); |
| else |
| child.showPopover(); |
| assert_true(child.matches(':popover-open')); |
| assert_true(ancestor.matches(':popover-open')); |
| ancestor.hidePopover(); |
| assert_false(ancestor.matches(':popover-open')); |
| assert_false(child.matches(':popover-open')); |
| },descr); |
| } |
| |
| const popovers = [p1, p2, p3, p4]; |
| |
| function assertState(...states) { |
| assert_equals(popovers.length,states.length); |
| for(let i=0;i<popovers.length;++i) { |
| assert_equals(popovers[i].matches(':popover-open'),states[i],`Popover #${i+1} incorrect state`); |
| } |
| } |
| test(function() { |
| assertState(false,false,false,false); |
| p1.showPopover(); |
| assertState(true,false,false,false); |
| p2.showPopover(); |
| assertState(true,true,false,false); |
| p3.showPopover(); |
| assertState(true,true,true,false); |
| // P4 is a sibling of P2, so showing it should |
| // close P2 and P3. |
| p4.showPopover(); |
| assertState(true,false,false,true); |
| // P2 should close P4 now. |
| p2.showPopover(); |
| assertState(true,true,false,false); |
| // Hiding P1 should hide all. |
| p1.hidePopover(); |
| assertState(false,false,false,false); |
| }, "more complex nesting, all using anchor ancestry") |
| |
| test(function() { |
| function openManyPopovers() { |
| p1.showPopover(); |
| p2.showPopover(); |
| p3.showPopover(); |
| assertState(true,true,true,false); |
| } |
| openManyPopovers(); |
| d1.show(); // Dialog.show() should hide all popovers. |
| assertState(false,false,false,false); |
| d1.close(); |
| openManyPopovers(); |
| d1.showModal(); // Dialog.showModal() should also hide all popovers. |
| assertState(false,false,false,false); |
| d1.close(); |
| }, "popovers should be closed by dialogs") |
| |
| test(function() { |
| // Note: d1 is a <dialog> element, not a popover. |
| assert_false(d1.open); |
| d1.show(); |
| assert_true(d1.open); |
| p1.showPopover(); |
| assertState(true,false,false,false); |
| assert_true(d1.open); |
| p1.hidePopover(); |
| assert_true(d1.open); |
| d1.close(); |
| assert_false(d1.open); |
| }, "dialogs should not be closed by popovers") |
| </script> |
| |
| <style> |
| #p1 { top:350px; } |
| #p2 { top:350px; left:200px; } |
| #p3 { top:500px; } |
| #p4 { top:500px;left:200px; } |
| </style> |
