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Bug 510441 - Add support for nsIAccessibleEvent::OBJECT_ATTRIBUTE_CHANGED; r=MarcoZ,surkov

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This commit is contained in:
David Bolter 2009-08-20 10:16:00 -04:00
parent 437f1a7ac2
commit 20a4a6ebd9
3 changed files with 122 additions and 0 deletions
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9
accessible/src/base/nsDocAccessible.cpp
View File

@ -1350,6 +1350,15 @@ nsDocAccessible::ARIAAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute)
// COM says we cannot change what interfaces are supported on-the-fly,
// so invalidate this object. A new one will be created on demand.
InvalidateCacheSubtree(aContent, nsIAccessibleEvent::EVENT_DOM_SIGNIFICANT_CHANGE);
return;
}
// For aria drag and drop changes we fire a generic attribute change event;
// at least until native API comes up with a more meaningful event.
if (aAttribute == nsAccessibilityAtoms::aria_grabbed ||
aAttribute == nsAccessibilityAtoms::aria_dropeffect) {
FireDelayedToolkitEvent(nsIAccessibleEvent::EVENT_OBJECT_ATTRIBUTE_CHANGED,
targetNode);
}
}

1
accessible/tests/mochitest/Makefile.in
View File

@ -93,6 +93,7 @@ _TEST_FILES =\
test_elm_txtcntnr.html \
test_events_caretmove.html \
test_events_doc.html \
test_events_draganddrop.html \
test_events_focus.xul \
test_events_mutation.html \
test_events_tree.xul \

112
accessible/tests/mochitest/test_events_draganddrop.html Normal file
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@ -0,0 +1,112 @@
<html>
<head>
<title>Accessible drag and drop event testing</title>
<link rel="stylesheet" type="text/css"
href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<script type="application/javascript"
src="chrome://mochikit/content/MochiKit/packed.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/common.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/events.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/attributes.js"></script>
<script type="application/javascript">
/**
* Do tests.
*/
var gQueue = null;
// aria grabbed invoker
function changeGrabbed(aNodeOrID, aGrabValue)
{
this.DOMNode = getNode(aNodeOrID);
this.invoke = function changeGrabbed_invoke() {
if (aGrabValue != undefined) {
this.DOMNode.setAttribute("aria-grabbed", aGrabValue);
}
}
this.check = function changeGrabbed_check() {
testAttrs(aNodeOrID, {"grabbed" : aGrabValue}, true);
}
this.getID = function changeGrabbed_getID() {
return prettyName(aNodeOrID) + " aria-grabbed changed";
}
}
// aria dropeffect invoker
function changeDropeffect(aNodeOrID, aDropeffectValue)
{
this.DOMNode = getNode(aNodeOrID);
this.invoke = function changeDropeffect_invoke() {
if (aDropeffectValue != undefined) {
this.DOMNode.setAttribute("aria-dropeffect", aDropeffectValue);
}
}
this.check = function changeDropeffect_check() {
testAttrs(aNodeOrID, {"dropeffect" : aDropeffectValue}, true);
}
this.getID = function changeDropeffect_getID() {
return prettyName(aNodeOrID) + " aria-dropeffect changed";
}
}
function doTests()
{
// Test aria attribute mutation events
gQueue = new eventQueue(nsIAccessibleEvent.EVENT_OBJECT_ATTRIBUTE_CHANGED);
var id="grabbable";
gQueue.push(new changeGrabbed(id, "true"));
gQueue.push(new changeGrabbed(id, "false"));
todo(false, "uncomment this test when 472142 is fixed.");
//gQueue.push(new changeGrabbed(id, "undefined"));
var id="dropregion";
gQueue.push(new changeDropeffect(id, "copy"));
gQueue.push(new changeDropeffect(id, "execute"));
gQueue.invoke(); // Will call SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
addA11yLoadEvent(doTests);
</script>
</head>
<body>
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=510441"
title="Add support for nsIAccessibleEvent::OBJECT_ATTRIBUTE_CHANGED">
Mozilla Bug 510441
</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
</pre>
<div id="eventdump"></div>
<!-- ARIA grabbed -->
<div id="grabbable" role="button" aria-grabbed="foo">button</div>
<!-- ARIA dropeffect -->
<div id="dropregion" role="region" aria-dropeffect="none">button</div>
</body>
</html>