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Bug 631068 - Accessible recreation breaks relations, r=davidb, a=final+

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This commit is contained in:
Alexander Surkov 2011-02-11 23:05:38 +08:00
parent d20d2b7f3f
commit 85a1e175fe
2 changed files with 54 additions and 3 deletions
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6
accessible/src/base/nsDocAccessible.cpp
View File

@ -1383,9 +1383,6 @@ nsDocAccessible::UnbindFromDocument(nsAccessible* aAccessible)
mNodeToAccessibleMap.Get(aAccessible->GetNode()) == aAccessible)
mNodeToAccessibleMap.Remove(aAccessible->GetNode());
if (!aAccessible->IsDefunct())
RemoveDependentIDsFor(aAccessible);
void* uniqueID = aAccessible->UniqueID();
NS_ASSERTION(!aAccessible->IsDefunct(), "Shutdown the shutdown accessible!");
@ -1939,6 +1936,9 @@ nsDocAccessible::CacheChildrenInSubtree(nsAccessible* aRoot)
void
nsDocAccessible::UncacheChildrenInSubtree(nsAccessible* aRoot)
{
if (aRoot->IsElement())
RemoveDependentIDsFor(aRoot);
PRUint32 count = aRoot->GetCachedChildCount();
for (PRUint32 idx = 0; idx < count; idx++)
UncacheChildrenInSubtree(aRoot->GetCachedChildAt(idx));

51
accessible/tests/mochitest/relations/test_update.html
View File

@ -88,6 +88,44 @@
}
}
/**
* Relative accessible recreation shouldn't break accessible relations.
* Note: modify this case if the invoke function doesn't change accessible
* tree due to changes in layout module. It can be changed on any case
* when accessibles are recreated.
*/
function recreateRelatives(aContainerID, aLabelID, aElmID)
{
this.containerNode = getNode(aContainerID);
this.container = getNode(this.containerNode);
this.eventSeq = [
new invokerChecker(EVENT_HIDE, this.container),
new invokerChecker(EVENT_SHOW, this.containerNode)
];
this.invoke = function recreateRelatives_invoke()
{
testRelation(aLabelID, RELATION_LABEL_FOR, aElmID);
testRelation(aElmID, RELATION_LABELLED_BY, aLabelID);
this.containerNode.style.overflow = "visible";
}
this.finalCheck = function recreateRelatives_finalCheck()
{
testRelation(aLabelID, RELATION_LABEL_FOR, aElmID);
testRelation(aElmID, RELATION_LABELLED_BY, aLabelID);
}
this.getID = function recreateRelatives_getID()
{
return "recreate relatives ";
}
}
//gA11yEventDumpToConsole = true; // debug
var gQueue = null;
function doTest()
@ -132,6 +170,9 @@
gQueue.push(new insertRelated("aria-flowto", "dependent12", false,
RELATION_FLOWS_TO, RELATION_FLOWS_FROM));
// Update relations when accessibles are recreated
gQueue.push(new recreateRelatives("container", "label", "input"));
gQueue.invoke(); // will call SimpleTest.finish()
}
@ -149,6 +190,12 @@
title="Cache relations defined by ARIA attributes">
Mozilla Bug 573469
</a>
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=631068"
title="Accessible recreation breaks relations">
Mozilla Bug 631068
</a>
<br>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
@ -158,5 +205,9 @@
<div id="dependent2">label2</div>
<div role="checkbox" id="host"></div>
<form id="container" style="overflow: hidden;">
<label for="input" id="label">label</label>
<input id="input">
</form>
</body>
</html>