| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body id="body"> |
| |
| <div role="group" tabindex=0 id="liveregion1" aria-live="polite" aria-relevant="additions"> |
| <h3 id="innerlive">text</h3> |
| </div> |
| |
| <div role="group" tabindex=0 id="liveregion2" aria-live="polite" aria-relevant="additions"> |
| <img src="test.gif" width=100 height=100 alt="alt text" tabindex=0 id="image"> |
| </div> |
| |
| <p id="description"></p> |
| <div id="console"></div> |
| |
| <script> |
| var jsTestIsAsync = true; |
| |
| description("This tests that ARIA live regions are sending out the correct notifications. We perform two operations to each aria region, at the end it should trigger two live region notifications"); |
| |
| var liveRegion1 = 0; |
| var liveRegion2 = 0; |
| var liveRegionChangeCount = 0; |
| function ariaCallback(notification) { |
| if (notification == "AXLiveRegionChanged") { |
| liveRegionChangeCount++; |
| } |
| } |
| |
| if (window.accessibilityController) { |
| |
| liveRegion1 = accessibilityController.accessibleElementById("liveregion1"); |
| var addedNotification1 = liveRegion1.addNotificationListener(ariaCallback); |
| shouldBeTrue("addedNotification1"); |
| |
| liveRegion2 = accessibilityController.accessibleElementById("liveregion2"); |
| var addedNotification2 = liveRegion2.addNotificationListener(ariaCallback); |
| shouldBeTrue("addedNotification2"); |
| |
| // perform operations on both live regions. |
| textChangeOperation(); |
| newElementOperation(); |
| alternativeChangeOperation(); |
| removeElementOperation(); |
| |
| // add a short delay to check after all the operations if we have exactly two notifications |
| setTimeout("finishTest()", 50); |
| } |
| |
| function textChangeOperation() { |
| // this should trigger a live region change for a text change. |
| document.getElementById("innerlive").innerText = "changed text"; |
| document.body.offsetHeight; |
| } |
| |
| function newElementOperation() { |
| // this should trigger a live region change for a new element. |
| document.getElementById("liveregion1").innerHTML += "new text element"; |
| document.body.offsetHeight; |
| } |
| |
| function alternativeChangeOperation() { |
| // this should also trigger a live region change because its a text alternative change. |
| document.getElementById("image").setAttribute('alt', "new image text"); |
| document.body.offsetHeight; |
| } |
| |
| function removeElementOperation() { |
| // this should trigger a live region change for a removed element. |
| document.getElementById("liveregion2").removeChild(document.getElementById("image")); |
| document.body.offsetHeight; |
| } |
| |
| function finishTest() { |
| // We should get a total of two live region changes. |
| liveRegion1.removeNotificationListener(); |
| liveRegion2.removeNotificationListener(); |
| shouldBe("liveRegionChangeCount", "2"); |
| finishJSTest(); |
| } |
| </script> |
| |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
