| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../resources/js-test.js"></script> |
| <script src="../resources/accessibility-helper.js"></script> |
| </head> |
| |
| <body id="body"> |
| |
| <div id="background"> |
| <p id="backgroundContent">Other page content with <a href="#">a dummy focusable element</a></p> |
| <p><a onclick="document.getElementById('dialog').showModal(); return false;" href="#" role="button" id="displayButton">Display a dialog</a></p> |
| </div> |
| |
| <div id="dialogParent" role="group"> |
| <dialog id="dialog"> |
| <h3>Just an example.</h3> |
| <button id="ok" onclick="document.getElementById('dialog').close();" class="close-button">OK</button> |
| <button onclick="document.getElementById('dialog').close();" class="close-button">Cancel</button> |
| </dialog> |
| </div> |
| |
| <script> |
| var output = "This tests that dialog.showModal() makes other elements inert.\n\n"; |
| |
| if (window.accessibilityController) { |
| window.jsTestIsAsync = true; |
| |
| output += "Dialog is hidden\n"; |
| output += expect("backgroundAccessible()", "true"); |
| document.getElementById("dialog").showModal(); |
| |
| // Background should be unaccessible after loading, since the dialog is displayed. |
| output += "Dialog is displaying\n"; |
| setTimeout(async function() { |
| output += await expectAsync("backgroundAccessible()", "false"); |
| |
| // Close the dialog, background should be accessible. |
| document.getElementById("ok").click(); |
| |
| await waitFor(() => backgroundAccessible()); |
| output += "Dialog is not displaying\n"; |
| output += expect("backgroundAccessible()", "true"); |
| |
| // Non modal <dialog> should allow interactions with background. |
| document.getElementById("dialog").show(); |
| output += expect("backgroundAccessible()", "true"); |
| await waitFor(() => accessibilityController.accessibleElementById("ok")); |
| window.okButton = accessibilityController.accessibleElementById("ok"); |
| output += expect("okButton.isIgnored", "false"); |
| document.getElementById("dialog").close(); |
| |
| // Click the display button, dialog shows and background becomes unaccessible. |
| document.getElementById("displayButton").click(); |
| await waitFor(() => !backgroundAccessible()); |
| output += "Dialog is displaying\n"; |
| output += expect("backgroundAccessible()", "false"); |
| await waitFor(() => accessibilityController.accessibleElementById("ok")); |
| window.okButton = accessibilityController.accessibleElementById("ok"); |
| output += expect("okButton.isIgnored", "false"); |
| |
| // With the dialog displaying, test that aria-hidden and the opacity don't affect whether the background is accessible or not. |
| // Dialog is aria hidden |
| document.getElementById("dialog").setAttribute("aria-hidden", "true"); |
| output += "Dialog is displaying and aria-hidden=true\n" |
| output += expect("backgroundAccessible()", "false"); |
| |
| // Set aria-hidden=false. |
| document.getElementById("dialog").setAttribute("aria-hidden", "false"); |
| output += ("Dialog is displaying and aria-hidden=false\n"); |
| output += expect("backgroundAccessible()", "false"); |
| |
| // Set aria-modal=false. |
| document.getElementById("dialog").setAttribute("aria-modal", "false"); |
| output += "Dialog is displaying and aria-modal=false\n"; |
| output += expect("backgroundAccessible()", "false"); |
| document.getElementById("dialog").removeAttribute("aria-modal"); |
| |
| // Set opacity to 0 which should make the dialog invisible. |
| document.getElementById("dialog").style.opacity = 0; |
| output += "Dialog is not displaying with opacity 0\n"; |
| output += expect("backgroundAccessible()", "false"); |
| |
| // Set opacity to 1 which should make the dialog visible again. |
| document.getElementById("dialog").style.opacity = 1; |
| output += "Dialog is displaying with opacity 1\n"; |
| output += expect("backgroundAccessible()", "false"); |
| |
| // Test modal dialog is removed from DOM tree. |
| document.getElementById("dialog").remove(); |
| await waitFor(() => backgroundAccessible()); |
| output += "Dialog is removed from DOM\n"; |
| output += expect("backgroundAccessible()", "true"); |
| |
| debug(output); |
| finishJSTest(); |
| }, 0); |
| } |
| |
| function backgroundAccessible() { |
| var displayButton = accessibilityController.accessibleElementById("displayButton"); |
| var backgroundContent = accessibilityController.accessibleElementById("backgroundContent"); |
| |
| if (!displayButton || !backgroundContent) |
| return false; |
| |
| return !displayButton.isIgnored && !backgroundContent.isIgnored; |
| } |
| </script> |
| </body> |
| </html> |
