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| 1 <!DOCTYPE html> | |
| 2 <link href="resources/dialog-layout.css" rel="stylesheet"> | |
| 3 <script src="../../../resources/js-test.js"></script> | |
| 4 <dialog id="dialog">It is my dialog.</dialog> | |
| 5 <div id="absolute-div"> | |
| 6 <div id="relative-div"></div> | |
| 7 </div> | |
| 8 <script> | |
| 9 description('Tests layout of absolutely positioned modal dialogs.'); | |
| 10 | |
| 11 function checkCentered(dialog) { | |
| 12 centeredTop = (window.innerHeight - dialog.offsetHeight) / 2; | |
| 13 shouldBe('dialog.getBoundingClientRect().top', 'centeredTop'); | |
| 14 } | |
| 15 | |
| 16 function reset() { | |
| 17 if (dialog.open) | |
| 18 dialog.close(); | |
| 19 dialog.remove(); | |
| 20 document.body.appendChild(dialog); | |
| 21 window.scroll(0, 500); | |
| 22 } | |
| 23 | |
| 24 dialog = document.querySelector('#dialog'); | |
| 25 absoluteContainer = document.querySelector('#absolute-div'); | |
| 26 relativeContainer = document.querySelector('#relative-div'); | |
| 27 reset(); | |
| 28 | |
| 29 (function() { | |
| 30 debug('<br>showModal() should center in the viewport.'); | |
| 31 | |
| 32 dialog.showModal(); | |
| 33 checkCentered(dialog); | |
| 34 reset(); | |
| 35 }()); | |
| 36 | |
| 37 (function() { | |
| 38 debug('<br>The dialog is a positioned element, so the top and bottom should
not have style auto.'); | |
| 39 | |
| 40 dialog.style.height = '20px'; | |
| 41 dialog.showModal(); | |
| 42 shouldBeEqualToString('window.getComputedStyle(dialog).top', '790px'); | |
| 43 shouldBeEqualToString('window.getComputedStyle(dialog).bottom', '-210px'); | |
| 44 | |
| 45 dialog.style.height = 'auto'; | |
| 46 reset(); | |
| 47 }()); | |
| 48 | |
| 49 (function() { | |
| 50 debug('<br>Dialog should be recentered if showModal() is called after close(
).'), | |
| 51 | |
| 52 dialog.showModal(); | |
| 53 dialog.close(); | |
| 54 window.scroll(0, 2 * window.scrollY); | |
| 55 dialog.showModal(); | |
| 56 checkCentered(dialog); | |
| 57 reset(); | |
| 58 }()); | |
| 59 | |
| 60 (function() { | |
| 61 debug('<br>Dialog should not recenter on relayout.'); | |
| 62 | |
| 63 dialog.showModal(); | |
| 64 expectedTop = dialog.getBoundingClientRect().top; | |
| 65 window.scroll(0, window.scrollY * 2); | |
| 66 document.body.offsetHeight; | |
| 67 window.scroll(0, window.scrollY / 2); | |
| 68 shouldBe('dialog.getBoundingClientRect().top', 'expectedTop'); | |
| 69 reset(); | |
| 70 }()); | |
| 71 | |
| 72 (function() { | |
| 73 debug('<br>A tall dialog should be positioned at the top of the viewport.'); | |
| 74 | |
| 75 dialog.style.height = '20000px'; | |
| 76 dialog.showModal(); | |
| 77 shouldBe('dialog.getBoundingClientRect().top', '0'); | |
| 78 | |
| 79 dialog.style.height = 'auto'; | |
| 80 reset(); | |
| 81 }()); | |
| 82 | |
| 83 (function() { | |
| 84 debug('<br>The dialog should be centered regardless of the presence of a hor
izontal scrollbar.'); | |
| 85 | |
| 86 document.body.style.width = '4000px'; | |
| 87 dialog.showModal(); | |
| 88 checkCentered(dialog); | |
| 89 | |
| 90 document.body.style.width = 'auto'; | |
| 91 reset(); | |
| 92 }()); | |
| 93 | |
| 94 (function() { | |
| 95 debug('<br>Centering should work when dialog is inside positioned containers
.'); | |
| 96 | |
| 97 dialog.remove(); | |
| 98 absoluteContainer.appendChild(dialog); | |
| 99 dialog.showModal(); | |
| 100 checkCentered(dialog); | |
| 101 dialog.close(); | |
| 102 | |
| 103 dialog.remove(); | |
| 104 relativeContainer.appendChild(dialog); | |
| 105 dialog.showModal(); | |
| 106 checkCentered(dialog); | |
| 107 | |
| 108 reset(); | |
| 109 }()); | |
| 110 | |
| 111 (function() { | |
| 112 debug('<br>A centered dialog\'s position should survive becoming display:non
e temporarily.'); | |
| 113 | |
| 114 dialog.showModal(); | |
| 115 expectedTop = dialog.getBoundingClientRect().top; | |
| 116 relativeContainer.style.display = 'none'; | |
| 117 relativeContainer.style.display = 'block'; | |
| 118 shouldBe('dialog.getBoundingClientRect().top', 'expectedTop'); | |
| 119 | |
| 120 reset(); | |
| 121 }()); | |
| 122 | |
| 123 (function() { | |
| 124 debug('<br>Dialog should lose centering when removed from the document.'); | |
| 125 | |
| 126 dialog.showModal(); | |
| 127 dialog.remove(); | |
| 128 relativeContainer.appendChild(dialog); | |
| 129 shouldBe('dialog.getBoundingClientRect().top', 'relativeContainer.getBoundin
gClientRect().top'); | |
| 130 | |
| 131 reset(); | |
| 132 }()); | |
| 133 | |
| 134 (function() { | |
| 135 debug('<br>Dialog\'s specified position should survive after close() and sho
wModal().'); | |
| 136 | |
| 137 dialog.showModal(); | |
| 138 dialog.style.top = '0px'; | |
| 139 expectedTop = dialog.getBoundingClientRect().top; | |
| 140 dialog.close(); | |
| 141 dialog.showModal(); | |
| 142 shouldBe('dialog.getBoundingClientRect().top', 'expectedTop'); | |
| 143 | |
| 144 dialog.style.top = 'auto'; | |
| 145 reset(); | |
| 146 }()); | |
| 147 | |
| 148 (function() { | |
| 149 debug('<br>Dialog should be recentered if showModal() is called after removi
ng \'open\'.'); | |
| 150 | |
| 151 dialog.showModal(); | |
| 152 dialog.removeAttribute('open'); | |
| 153 window.scroll(0, window.scrollY * 2); | |
| 154 dialog.showModal(); | |
| 155 checkCentered(dialog); | |
| 156 | |
| 157 reset(); | |
| 158 }()); | |
| 159 | |
| 160 (function() { | |
| 161 debug('<br>Dialog should not be centered if showModal() was called when an a
ncestor had display \'none\'.'); | |
| 162 | |
| 163 dialog.remove(); | |
| 164 absoluteContainer.appendChild(dialog); | |
| 165 absoluteContainer.style.display = 'none'; | |
| 166 dialog.showModal(); | |
| 167 absoluteContainer.style.display = 'block'; | |
| 168 // Since dialog's containing block is the ICB, it's statically positioned af
ter <body>. | |
| 169 shouldBe('dialog.getBoundingClientRect().top', 'document.body.getBoundingCli
entRect().bottom'); | |
| 170 reset(); | |
| 171 }()); | |
| 172 | |
| 173 (function() { | |
| 174 debug('<br>A dialog with specified \'top\' should be positioned as usual'); | |
| 175 offset = 50; | |
| 176 dialog.style.top = offset + 'px'; | |
| 177 dialog.showModal(); | |
| 178 shouldBe('dialog.getBoundingClientRect().top + window.scrollY', 'offset'); | |
| 179 dialog.style.top = 'auto'; | |
| 180 reset(); | |
| 181 }()); | |
| 182 | |
| 183 (function() { | |
| 184 debug('<br>A dialog with specified \'bottom\' should be positioned as usual'
); | |
| 185 offset = 50; | |
| 186 dialog.style.bottom = offset + 'px'; | |
| 187 dialog.showModal(); | |
| 188 shouldBe('dialog.getBoundingClientRect().bottom + window.scrollY', 'window.i
nnerHeight - offset'); | |
| 189 dialog.style.bottom = 'auto'; | |
| 190 reset(); | |
| 191 }()); | |
| 192 </script> | |
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