| <!DOCTYPE html> |
| <link rel=author href="mailto:jarhar@chromium.org"> |
| <link rel=author href="mailto:falken@chromium.org"> |
| <link rel=help href="https://html.spec.whatwg.org/multipage/interactive-elements.html#the-dialog-element"> |
| <link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=253357"> |
| <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="/common/top-layer.js"></script> |
| <script src="/close-watcher/resources/helpers.js"></script> |
| |
| <!-- |
| To test manually, hit Escape once to see the topmost dialog turn green |
| then once again to close it. Repeat for the remaining dialog. |
| --> |
| |
| <style> |
| #bottom { |
| top: 100px; |
| left: 100px; |
| height: 300px; |
| width: 300px; |
| margin: 0; |
| background: cyan; |
| } |
| |
| #top { |
| top: 150px; |
| left: 150px; |
| height: 200px; |
| width: 200px; |
| margin: 0; |
| background: yellow; |
| } |
| </style> |
| |
| <dialog id="bottom"> |
| <span></span> |
| <div>You can't Escape when this textbox has focus: <input id="swallow-input" type="text"></div> |
| <div>You can Escape even if this textbox has focus: <input id="normal-input" type="text"></div> |
| </dialog> |
| <dialog id="top"> |
| <span></span> |
| </dialog> |
| |
| <script> |
| function handleCancel(event) { |
| this.style.background = 'green'; |
| this.querySelector('span').textContent = 'I blocked the cancel! Try again to close me.'; |
| event.preventDefault(); |
| this.removeEventListener('cancel', handleCancel); |
| } |
| |
| promise_test(async () => { |
| bottomDialog = document.getElementById('bottom'); |
| bottomDialog.addEventListener('cancel', handleCancel); |
| |
| topDialog = document.getElementById('top'); |
| topDialog.addEventListener('cancel', handleCancel); |
| |
| normalInput = document.getElementById('normal-input'); |
| swallowInput = document.getElementById('swallow-input'); |
| swallowInput.addEventListener('keydown', function(event) { |
| event.preventDefault(); |
| }); |
| |
| bottomDialog.showModal(); |
| await blessTopLayer(bottomDialog); |
| topDialog.showModal(); |
| |
| await blessTopLayer(topDialog); |
| await sendEscKey(); |
| assert_true(topDialog.open, 'Top dialog event listener should prevent closing.'); |
| assert_true(bottomDialog.open, 'Top dialog event listener should prevent closing.'); |
| |
| await blessTopLayer(topDialog); |
| await sendEscKey(); |
| assert_false(topDialog.open, 'Top dialog should close.'); |
| assert_true(bottomDialog.open, 'Top dialog should close.'); |
| |
| swallowInput.focus(); |
| await sendEscKey(); |
| await sendEscKey(); |
| await sendEscKey(); |
| assert_false(topDialog.open, 'Input should swallow Escape mechanism.'); |
| assert_true(bottomDialog.open, 'Input should swallow Escape mechanism.'); |
| |
| normalInput.focus(); |
| await sendEscKey(); |
| assert_false(topDialog.open, 'Bottom dialog event listener should prevent closing.'); |
| assert_true(bottomDialog.open, 'Bottom dialog event listener should prevent closing.'); |
| |
| await sendEscKey(); |
| assert_false(topDialog.open, 'Bottom dialog should close.'); |
| assert_false(bottomDialog.open, 'Bottom dialog should close.'); |
| |
| await sendEscKey(); |
| assert_false(topDialog.open, 'Pressing Escape now should do nothing.'); |
| assert_false(bottomDialog.open, 'Pressing Escape now should do nothing.'); |
| |
| bottomDialog.remove(); |
| topDialog.remove(); |
| }, 'Modal dialogs should close when the escape key is pressed.'); |
| |
| </script> |