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| 1 | +function createTopLayerElement(t,topLayerType) { |
| 2 | + let element, show, showing; |
| 3 | + switch (topLayerType) { |
| 4 | + case 'dialog': |
| 5 | + element = document.createElement('dialog'); |
| 6 | + show = () => element.showModal(); |
| 7 | + showing = () => element.matches(':modal'); |
| 8 | + break; |
| 9 | + case 'fullscreen': |
| 10 | + element = document.createElement('div'); |
| 11 | + show = async (topmostElement) => { |
| 12 | + // Be sure to add user activation to the topmost visible target: |
| 13 | + await blessTopLayer(topmostElement); |
| 14 | + await element.requestFullscreen(); |
| 15 | + }; |
| 16 | + showing = () => document.fullscreenElement === element; |
| 17 | + break; |
| 18 | + default: |
| 19 | + assert_unreached('Invalid top layer type'); |
| 20 | + } |
| 21 | + t.add_cleanup(() => element.remove()); |
| 22 | + return {element,show,showing}; |
| 23 | +} |
| 24 | +function runTopLayerTests(testCases, testAnchorAttribute) { |
| 25 | + testAnchorAttribute = testAnchorAttribute || false; |
| 26 | + testCases.forEach(test => { |
| 27 | + const description = test.firstChild.data.trim(); |
| 28 | + assert_equals(test.querySelectorAll('.target').length,1,'There should be exactly one target'); |
| 29 | + const target = test.querySelector('.target'); |
| 30 | + assert_true(!!target,'Invalid test case'); |
| 31 | + const popovers = Array.from(test.querySelectorAll('[popover]')); |
| 32 | + assert_true(popovers.length > 0,'No popovers found'); |
| 33 | + ['dialog','fullscreen'].forEach(topLayerType => { |
| 34 | + promise_test(async t => { |
| 35 | + const {element,show,showing} = createTopLayerElement(t,topLayerType); |
| 36 | + target.appendChild(element); |
| 37 | + |
| 38 | + // Show the popovers. |
| 39 | + t.add_cleanup(() => popovers.forEach(popover => popover.hidePopover())); |
| 40 | + popovers.forEach(popover => popover.showPopover()); |
| 41 | + popovers.forEach(popover => assert_true(popover.matches(':popover-open'),'All popovers should be open')); |
| 42 | + |
| 43 | + // Activate the top layer element. |
| 44 | + await show(popovers[popovers.length-1]); |
| 45 | + assert_true(showing()); |
| 46 | + popovers.forEach(popover => assert_equals(popover.matches(':popover-open'),popover.dataset.stayOpen==='true','Incorrect behavior')); |
| 47 | + |
| 48 | + // Add another popover within the top layer element and make sure entire stack stays open. |
| 49 | + const newPopover = document.createElement('div'); |
| 50 | + t.add_cleanup(() => newPopover.remove()); |
| 51 | + newPopover.popover = popoverHintSupported() ? 'hint' : 'auto'; |
| 52 | + element.appendChild(newPopover); |
| 53 | + popovers.forEach(popover => assert_equals(popover.matches(':popover-open'),popover.dataset.stayOpen==='true','Adding another popover shouldn\'t change anything')); |
| 54 | + assert_true(showing(),'top layer element should still be top layer'); |
| 55 | + newPopover.showPopover(); |
| 56 | + assert_true(newPopover.matches(':popover-open')); |
| 57 | + popovers.forEach(popover => assert_equals(popover.matches(':popover-open'),popover.dataset.stayOpen==='true','Showing the popover shouldn\'t change anything')); |
| 58 | + assert_true(showing(),'top layer element should still be top layer'); |
| 59 | + },`${description} with ${topLayerType}`); |
| 60 | + |
| 61 | + promise_test(async t => { |
| 62 | + const {element,show,showing} = createTopLayerElement(t,topLayerType); |
| 63 | + element.popover = popoverHintSupported() ? 'hint' : 'auto'; |
| 64 | + target.appendChild(element); |
| 65 | + |
| 66 | + // Show the popovers. |
| 67 | + t.add_cleanup(() => popovers.forEach(popover => popover.hidePopover())); |
| 68 | + popovers.forEach(popover => popover.showPopover()); |
| 69 | + popovers.forEach(popover => assert_true(popover.matches(':popover-open'),'All popovers should be open')); |
| 70 | + const targetWasOpenPopover = target.matches(':popover-open'); |
| 71 | + |
| 72 | + // Show the top layer element as a popover first. |
| 73 | + element.showPopover(); |
| 74 | + assert_true(element.matches(':popover-open'),'element should be open as a popover'); |
| 75 | + assert_equals(target.matches(':popover-open'),targetWasOpenPopover,'target shouldn\'t change popover state'); |
| 76 | + |
| 77 | + try { |
| 78 | + await show(element); |
| 79 | + assert_unreached('It is an error to activate a top layer element that is already a showing popover'); |
| 80 | + } catch (e) { |
| 81 | + // We expect an InvalidStateError for dialogs, and a TypeError for fullscreens. |
| 82 | + // Anything else should fall through to the test harness. |
| 83 | + if (e.name !== 'InvalidStateError' && e.name !== 'TypeError') { |
| 84 | + throw e; |
| 85 | + } |
| 86 | + } |
| 87 | + },`${description} with ${topLayerType}, top layer element *is* a popover`); |
| 88 | + |
| 89 | + if (testAnchorAttribute) { |
| 90 | + promise_test(async t => { |
| 91 | + const {element,show,showing} = createTopLayerElement(t,topLayerType); |
| 92 | + element.anchorElement = target; |
| 93 | + document.body.appendChild(element); |
| 94 | + |
| 95 | + // Show the popovers. |
| 96 | + t.add_cleanup(() => popovers.forEach(popover => popover.hidePopover())); |
| 97 | + popovers.forEach(popover => popover.showPopover()); |
| 98 | + popovers.forEach(popover => assert_true(popover.matches(':popover-open'),'All popovers should be open')); |
| 99 | + |
| 100 | + // Activate the top layer element. |
| 101 | + await show(popovers[popovers.length-1]); |
| 102 | + assert_true(showing()); |
| 103 | + popovers.forEach(popover => assert_equals(popover.matches(':popover-open'),popover.dataset.stayOpen==='true','Incorrect behavior')); |
| 104 | + },`${description} with ${topLayerType}, anchor attribute`); |
| 105 | + } |
| 106 | + }); |
| 107 | + }); |
| 108 | +} |
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