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<html>
<head>
<title>Accessible mutation events testing</title>
<link rel="stylesheet" type="text/css"
href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<style>
div.displayNone a { display:none; }
div.visibilityHidden a { visibility:hidden; }
</style>
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
<script type="application/javascript"
src="../common.js"></script>
<script type="application/javascript"
src="../events.js"></script>
<script type="application/javascript">
/**
* Invokers.
*/
var kNoEvents = 0;
var kShowEvent = 1;
var kHideEvent = 2;
var kReorderEvent = 4;
var kShowEvents = kShowEvent | kReorderEvent;
var kHideEvents = kHideEvent | kReorderEvent;
var kHideAndShowEvents = kHideEvents | kShowEvent;
/**
* Base class to test mutation a11y events.
*
* @param aNodeOrID [in] node invoker's action is executed for
* @param aEventTypes [in] events to register (see constants above)
* @param aDoNotExpectEvents [in] boolean indicates if events are expected
*/
function mutateA11yTree(aNodeOrID, aEventTypes, aDoNotExpectEvents)
{
// Interface
this.DOMNode = getNode(aNodeOrID);
this.doNotExpectEvents = aDoNotExpectEvents;
this.eventSeq = [];
this.unexpectedEventSeq = [];
/**
* Change default target (aNodeOrID) registered for the given event type.
*/
this.setTarget = function mutateA11yTree_setTarget(aEventType, aTarget)
{
var type = this.getA11yEventType(aEventType);
for (var idx = 0; idx < this.getEventSeq().length; idx++) {
if (this.getEventSeq()[idx].type == type) {
this.getEventSeq()[idx].target = aTarget;
return idx;
}
}
return -1;
}
/**
* Replace the default target currently registered for a given event type
* with the nodes in the targets array.
*/
this.setTargets = function mutateA11yTree_setTargets(aEventType, aTargets) {
var targetIdx = this.setTarget(aEventType, aTargets[0]);
var type = this.getA11yEventType(aEventType);
for (var i = 1; i < aTargets.length; i++) {
var checker = new invokerChecker(type, aTargets[i]);
this.getEventSeq().splice(++targetIdx, 0, checker);
}
}
// Implementation
this.getA11yEventType = function mutateA11yTree_getA11yEventType(aEventType)
{
if (aEventType == kReorderEvent)
return nsIAccessibleEvent.EVENT_REORDER;
if (aEventType == kHideEvent)
return nsIAccessibleEvent.EVENT_HIDE;
if (aEventType == kShowEvent)
return nsIAccessibleEvent.EVENT_SHOW;
}
this.getEventSeq = function mutateA11yTree_getEventSeq()
{
return this.doNotExpectEvents ? this.unexpectedEventSeq : this.eventSeq;
}
if (aEventTypes & kHideEvent) {
var checker = new invokerChecker(this.getA11yEventType(kHideEvent),
this.DOMNode);
this.getEventSeq().push(checker);
}
if (aEventTypes & kShowEvent) {
var checker = new invokerChecker(this.getA11yEventType(kShowEvent),
this.DOMNode);
this.getEventSeq().push(checker);
}
if (aEventTypes & kReorderEvent) {
var checker = new invokerChecker(this.getA11yEventType(kReorderEvent),
this.DOMNode.parentNode);
this.getEventSeq().push(checker);
}
}
/**
* Change CSS style for the given node.
*/
function changeStyle(aNodeOrID, aProp, aValue, aEventTypes)
{
this.__proto__ = new mutateA11yTree(aNodeOrID, aEventTypes, false);
this.invoke = function changeStyle_invoke()
{
this.DOMNode.style[aProp] = aValue;
}
this.getID = function changeStyle_getID()
{
return aNodeOrID + " change style " + aProp + " on value " + aValue;
}
}
/**
* Change class name for the given node.
*/
function changeClass(aParentNodeOrID, aNodeOrID, aClassName, aEventTypes)
{
this.__proto__ = new mutateA11yTree(aNodeOrID, aEventTypes, false);
this.invoke = function changeClass_invoke()
{
this.parentDOMNode.className = aClassName;
}
this.getID = function changeClass_getID()
{
return aNodeOrID + " change class " + aClassName;
}
this.parentDOMNode = getNode(aParentNodeOrID);
}
/**
* Clone the node and append it to its parent.
*/
function cloneAndAppendToDOM(aNodeOrID, aEventTypes,
aTargetsFunc, aReorderTargetFunc)
{
var eventTypes = aEventTypes || kShowEvents;
var doNotExpectEvents = (aEventTypes == kNoEvents);
this.__proto__ = new mutateA11yTree(aNodeOrID, eventTypes,
doNotExpectEvents);
this.invoke = function cloneAndAppendToDOM_invoke()
{
var newElm = this.DOMNode.cloneNode(true);
newElm.removeAttribute('id');
var targets = aTargetsFunc ?
aTargetsFunc.call(null, newElm) : [newElm];
this.setTargets(kShowEvent, targets);
if (aReorderTargetFunc) {
var reorderTarget = aReorderTargetFunc.call(null, this.DOMNode);
this.setTarget(kReorderEvent, reorderTarget);
}
this.DOMNode.parentNode.appendChild(newElm);
}
this.getID = function cloneAndAppendToDOM_getID()
{
return aNodeOrID + " clone and append to DOM.";
}
}
/**
* Removes the node from DOM.
*/
function removeFromDOM(aNodeOrID, aEventTypes,
aTargetsFunc, aReorderTargetFunc)
{
var eventTypes = aEventTypes || kHideEvents;
var doNotExpectEvents = (aEventTypes == kNoEvents);
this.__proto__ = new mutateA11yTree(aNodeOrID, eventTypes,
doNotExpectEvents);
this.invoke = function removeFromDOM_invoke()
{
this.DOMNode.parentNode.removeChild(this.DOMNode);
}
this.getID = function removeFromDOM_getID()
{
return prettyName(aNodeOrID) + " remove from DOM.";
}
if (aTargetsFunc && (eventTypes & kHideEvent))
this.setTargets(kHideEvent, aTargetsFunc.call(null, this.DOMNode));
if (aReorderTargetFunc && (eventTypes & kReorderEvent))
this.setTarget(kReorderEvent,
aReorderTargetFunc.call(null, this.DOMNode));
}
/**
* Clone the node and replace the original node by cloned one.
*/
function cloneAndReplaceInDOM(aNodeOrID)
{
this.__proto__ = new mutateA11yTree(aNodeOrID, kHideAndShowEvents,
false);
this.invoke = function cloneAndReplaceInDOM_invoke()
{
this.DOMNode.parentNode.replaceChild(this.newElm, this.DOMNode);
}
this.getID = function cloneAndReplaceInDOM_getID()
{
return aNodeOrID + " clone and replace in DOM.";
}
this.newElm = this.DOMNode.cloneNode(true);
this.newElm.removeAttribute('id');
this.setTarget(kShowEvent, this.newElm);
}
/**
* Trigger content insertion (flush layout), removal and insertion of
* the same element for the same parent.
*/
function test1(aContainerID)
{
this.divNode = document.createElement("div");
this.divNode.setAttribute("id", "div-test1");
this.containerNode = getNode(aContainerID);
this.eventSeq = [
new invokerChecker(EVENT_SHOW, this.divNode),
new invokerChecker(EVENT_REORDER, this.containerNode)
];
this.invoke = function test1_invoke()
{
this.containerNode.appendChild(this.divNode);
getComputedStyle(this.divNode, "").color;
this.containerNode.removeChild(this.divNode);
this.containerNode.appendChild(this.divNode);
}
this.getID = function test1_getID()
{
return "fuzzy test #1: content insertion (flush layout), removal and" +
"reinsertion";
}
}
/**
* Trigger content insertion (flush layout), removal and insertion of
* the same element for the different parents.
*/
function test2(aContainerID, aTmpContainerID)
{
this.divNode = document.createElement("div");
this.divNode.setAttribute("id", "div-test2");
this.containerNode = getNode(aContainerID);
this.tmpContainerNode = getNode(aTmpContainerID);
this.container = getAccessible(this.containerNode);
this.tmpContainer = getAccessible(this.tmpContainerNode);
this.eventSeq = [
new invokerChecker(EVENT_SHOW, this.divNode),
new invokerChecker(EVENT_REORDER, this.containerNode)
];
this.unexpectedEventSeq = [
new invokerChecker(EVENT_REORDER, this.tmpContainerNode)
];
this.invoke = function test2_invoke()
{
this.tmpContainerNode.appendChild(this.divNode);
getComputedStyle(this.divNode, "").color;
this.tmpContainerNode.removeChild(this.divNode);
this.containerNode.appendChild(this.divNode);
}
this.getID = function test2_getID()
{
return "fuzzy test #2: content insertion (flush layout), removal and" +
"reinsertion under another container";
}
}
/**
* Content insertion (flush layout) and then removal (nothing was changed).
*/
function test3(aContainerID)
{
this.divNode = document.createElement("div");
this.divNode.setAttribute("id", "div-test3");
this.containerNode = getNode(aContainerID);
this.unexpectedEventSeq = [
new invokerChecker(EVENT_SHOW, this.divNode),
new invokerChecker(EVENT_HIDE, this.divNode),
new invokerChecker(EVENT_REORDER, this.containerNode)
];
this.invoke = function test3_invoke()
{
this.containerNode.appendChild(this.divNode);
getComputedStyle(this.divNode, "").color;
this.containerNode.removeChild(this.divNode);
}
this.getID = function test3_getID()
{
return "fuzzy test #3: content insertion (flush layout) and removal";
}
}
function insertReferredElm(aContainerID)
{
this.containerNode = getNode(aContainerID);
this.eventSeq = [
new invokerChecker(EVENT_SHOW, function(aNode) { return aNode.firstChild; }, this.containerNode),
new invokerChecker(EVENT_SHOW, function(aNode) { return aNode.lastChild; }, this.containerNode),
new invokerChecker(EVENT_REORDER, this.containerNode)
];
this.invoke = function insertReferredElm_invoke()
{
this.containerNode.innerHTML =
"<span id='insertReferredElms_span'></span><input aria-labelledby='insertReferredElms_span'>";
}
this.getID = function insertReferredElm_getID()
{
return "insert inaccessible element and then insert referring element to make it accessible";
}
}
function showHiddenParentOfVisibleChild()
{
this.eventSeq = [
new invokerChecker(EVENT_HIDE, getNode("c4_child")),
new invokerChecker(EVENT_SHOW, getNode("c4_middle")),
new invokerChecker(EVENT_REORDER, getNode("c4"))
];
this.invoke = function showHiddenParentOfVisibleChild_invoke()
{
getNode("c4_middle").style.visibility = 'visible';
}
this.getID = function showHiddenParentOfVisibleChild_getID()
{
return "show hidden parent of visible child";
}
}
function hideNDestroyDoc()
{
this.txt = null;
this.eventSeq = [
new invokerChecker(EVENT_HIDE, function() { return this.txt; }.bind(this))
];
this.invoke = function hideNDestroyDoc_invoke()
{
this.txt = getAccessible('c5').firstChild.firstChild;
this.txt.DOMNode.parentNode.removeChild(this.txt.DOMNode);
}
this.check = function hideNDestroyDoc_check()
{
getNode('c5').parentNode.removeChild(getNode('c5'));
}
this.getID = function hideNDestroyDoc_getID()
{
return "remove text node and destroy a document on hide event";
}
}
function hideHideNDestroyDoc()
{
this.target = null;
this.eventSeq = [
new invokerChecker(EVENT_HIDE, function() { return this.target; }.bind(this))
];
this.invoke = function hideHideNDestroyDoc_invoke()
{
var doc = getAccessible('c6').firstChild;
var l1 = doc.firstChild;
this.target = l1.firstChild;
var l2 = doc.lastChild;
l1.DOMNode.removeChild(l1.DOMNode.firstChild);
l2.DOMNode.removeChild(l2.DOMNode.firstChild);
}
this.check = function hideHideNDestroyDoc_check()
{
getNode('c6').parentNode.removeChild(getNode('c6'));
}
this.getID = function hideHideNDestroyDoc_getID()
{
return "remove text nodes (2 events in the queue) and destroy a document on first hide event";
}
}
/**
* Target getters.
*/
function getFirstChild(aNode)
{
return [aNode.firstChild];
}
function getLastChild(aNode)
{
return [aNode.lastChild];
}
function getNEnsureFirstChild(aNode)
{
var node = aNode.firstChild;
getAccessible(node);
return [node];
}
function getNEnsureChildren(aNode)
{
var children = [];
var node = aNode.firstChild;
do {
children.push(node);
getAccessible(node);
node = node.nextSibling;
} while (node);
return children;
}
function getParent(aNode)
{
return aNode.parentNode;
}
//gA11yEventDumpToConsole = true; // debug stuff
//enableLogging("events,verbose");
/**
* Do tests.
*/
var gQueue = null;
function doTests()
{
gQueue = new eventQueue();
// Show/hide events by changing of display style of accessible DOM node
// from 'inline' to 'none', 'none' to 'inline'.
var id = "link1";
getAccessible(id); // ensure accessible is created
gQueue.push(new changeStyle(id, "display", "none", kHideEvents));
gQueue.push(new changeStyle(id, "display", "inline", kShowEvents));
// Show/hide events by changing of visibility style of accessible DOM node
// from 'visible' to 'hidden', 'hidden' to 'visible'.
var id = "link2";
getAccessible(id);
gQueue.push(new changeStyle(id, "visibility", "hidden", kHideEvents));
gQueue.push(new changeStyle(id, "visibility", "visible", kShowEvents));
// Show/hide events by changing of display style of accessible DOM node
// from 'inline' to 'block', 'block' to 'inline'.
var id = "link3";
getAccessible(id); // ensure accessible is created
gQueue.push(new changeStyle(id, "display", "block", kHideAndShowEvents));
gQueue.push(new changeStyle(id, "display", "inline", kHideAndShowEvents));
// Show/hide events by changing of visibility style of accessible DOM node
// from 'collapse' to 'visible', 'visible' to 'collapse'.
var id = "link4";
gQueue.push(new changeStyle(id, "visibility", "visible", kShowEvents));
gQueue.push(new changeStyle(id, "visibility", "collapse", kHideEvents));
// Show/hide events by adding new accessible DOM node and removing old one.
var id = "link5";
gQueue.push(new cloneAndAppendToDOM(id));
gQueue.push(new removeFromDOM(id));
// No show/hide events by adding new not accessible DOM node and removing
// old one, no reorder event for their parent.
var id = "child1";
gQueue.push(new cloneAndAppendToDOM(id, kNoEvents));
gQueue.push(new removeFromDOM(id, kNoEvents));
// Show/hide events by adding new accessible DOM node and removing
// old one, there is reorder event for their parent.
var id = "child2";
gQueue.push(new cloneAndAppendToDOM(id));
gQueue.push(new removeFromDOM(id));
// Show/hide events by adding new DOM node containing accessible DOM and
// removing old one, there is reorder event for their parent.
var id = "child3";
gQueue.push(new cloneAndAppendToDOM(id, kShowEvents, getFirstChild,
getParent));
// Hide event for accessible child of unaccessible removed DOM node and
// reorder event for its parent.
gQueue.push(new removeFromDOM(id, kHideEvents,
getNEnsureFirstChild, getParent));
// Hide events for accessible children of unaccessible removed DOM node
// and reorder event for its parent.
gQueue.push(new removeFromDOM("child4", kHideEvents,
getNEnsureChildren, getParent));
// Show/hide events by creating new accessible DOM node and replacing
// old one.
getAccessible("link6"); // ensure accessible is created
gQueue.push(new cloneAndReplaceInDOM("link6"));
// Show/hide events by changing class name on the parent node.
gQueue.push(new changeClass("container2", "link7", "", kShowEvents));
gQueue.push(new changeClass("container2", "link7", "displayNone",
kHideEvents));
gQueue.push(new changeClass("container3", "link8", "", kShowEvents));
gQueue.push(new changeClass("container3", "link8", "visibilityHidden",
kHideEvents));
gQueue.push(new test1("testContainer"));
gQueue.push(new test2("testContainer", "testContainer2"));
gQueue.push(new test2("testContainer", "testNestedContainer"));
gQueue.push(new test3("testContainer"));
gQueue.push(new insertReferredElm("testContainer3"));
gQueue.push(new showHiddenParentOfVisibleChild());
gQueue.push(new hideNDestroyDoc());
gQueue.push(new hideHideNDestroyDoc());
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=469985"
title=" turn the test from bug 354745 into mochitest">
Mozilla Bug 469985</a>
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=472662"
title="no reorder event when html:link display property is changed from 'none' to 'inline'">
Mozilla Bug 472662</a>
<a target="_blank"
title="Rework accessible tree update code"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=570275">
Mozilla Bug 570275</a>
<a target="_blank"
title="Develop a way to handle visibility style"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=606125">
Mozilla Bug 606125</a>
<a target="_blank"
title="Update accessible tree on content insertion after layout"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=498015">
Mozilla Bug 498015</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
</pre>
<div id="eventdump"></div>
<div id="testContainer">
<a id="link1" href="http://www.google.com">Link #1</a>
<a id="link2" href="http://www.google.com">Link #2</a>
<a id="link3" href="http://www.google.com">Link #3</a>
<a id="link4" href="http://www.google.com" style="visibility:collapse">Link #4</a>
<a id="link5" href="http://www.google.com">Link #5</a>
<div id="container" role="list">
<span id="child1"></span>
<span id="child2" role="listitem"></span>
<span id="child3"><span role="listitem"></span></span>
<span id="child4"><span id="child4_1" role="listitem"></span><span id="child4_2" role="listitem"></span></span>
</div>
<a id="link6" href="http://www.google.com">Link #6</a>
<div id="container2" class="displayNone"><a id="link7">Link #7</a></div>
<div id="container3" class="visibilityHidden"><a id="link8">Link #8</a></div>
<div id="testNestedContainer"></div>
</div>
<div id="testContainer2"></div>
<div id="testContainer3"></div>
<div id="c4">
<div style="visibility:hidden" id="c4_middle">
<div style="visibility:visible" id="c4_child"></div>
</div>
<iframe id="c5" src="data:text/html,hey"></iframe>
<iframe id="c6" src="data:text/html,<label>l</label><label>l</label>"></iframe>
</body>
</html>
|
