| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../resources/js-test-pre.js"></script> |
| </head> |
| |
| <body id="body"> |
| |
| <div id="bg"> |
| <p id="bgContent">Other page content with <a href="#">a dummy focusable element</a></p> |
| <p><a onclick="toggleDialog('show'); return false;" href="#" role="button" id="displayBtn">Display a dialog</a></p> |
| </div> |
| |
| <div role="dialog" aria-modal="true" aria-labelledby="myDialog" id="box" class="box-hidden" tabindex="-1"> |
| <h3 id="myDialog">Just an example.</h3> |
| <button id="ok" onclick="toggleDialog('hide');" class="close-button">OK</button> |
| <button onclick="toggleDialog('hide');" class="close-button">Cancel</button> |
| </div> |
| |
| |
| <script> |
| |
| description("This tests that aria-modal on dialog makes other elements inert."); |
| |
| if (window.accessibilityController) { |
| // Background should be unaccessible after loading, since the |
| // dialog is displayed and aria-modal=true. |
| shouldBeFalse("backgroundAccessible()"); |
| |
| // Close the dialog, background should be accessible. |
| document.getElementById("ok").click(); |
| shouldBeTrue("backgroundAccessible()"); |
| |
| // Click the display button, dialog shows and background becomes unaccessible. |
| document.getElementById("displayBtn").click(); |
| shouldBeFalse("backgroundAccessible()"); |
| var okBtn = accessibilityController.accessibleElementById("ok"); |
| shouldBeFalse("okBtn.isIgnored"); |
| |
| // Test the case that aria-modal=true when dialog is hidden won't affect other objects. |
| // 1. Dialog not rendered |
| document.getElementById("ok").click(); |
| document.getElementById("box").setAttribute("aria-modal", "true"); |
| shouldBeTrue("backgroundAccessible()"); |
| // 2. Dialog is aria hidden |
| document.getElementById("displayBtn").click(); |
| document.getElementById("box").setAttribute("aria-hidden", "true"); |
| shouldBeTrue("backgroundAccessible()"); |
| document.getElementById("box").setAttribute("aria-hidden", "false"); |
| shouldBeFalse("backgroundAccessible()"); |
| |
| // Test modal dialog is removed from DOM tree. |
| var dialog = document.getElementById("box"); |
| dialog.parentNode.removeChild(dialog); |
| shouldBeTrue("backgroundAccessible()"); |
| } |
| |
| function backgroundAccessible() { |
| var displayBtn = accessibilityController.accessibleElementById("displayBtn"); |
| var bgContent = accessibilityController.accessibleElementById("bgContent"); |
| |
| if (!displayBtn || !bgContent) |
| return false; |
| |
| return !displayBtn.isIgnored && !bgContent.isIgnored; |
| } |
| |
| function toggleDialog(sh) { |
| dialog = document.getElementById("box"); |
| if (sh == "show") { |
| // show the dialog |
| dialog.style.display = 'block'; |
| dialog.setAttribute("aria-modal", "true"); |
| } else { |
| dialog.style.display = 'none'; |
| dialog.setAttribute("aria-modal", "false"); |
| } |
| } |
| |
| </script> |
| |
| |
| <script src="../resources/js-test-post.js"></script> |
| </body> |
| </html> |
