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<html>
<head>
<title>Testing HTML scrollable frames (css overflow style)</title>
<link rel="stylesheet" type="text/css"
href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript"
src="../common.js"></script>
<script type="application/javascript"
src="../role.js"></script>
<script type="application/javascript"
src="../states.js"></script>
<script type="application/javascript"
src="../events.js"></script>
<script type="application/javascript">
// //////////////////////////////////////////////////////////////////////////
// Invokers
// //////////////////////////////////////////////////////////////////////////
/**
* Change scroll range to not empty size and inserts a child into container
* to trigger tree update of the container. Prior to bug 677154 not empty
* size resulted to accessible creation for scroll area, container tree
* update picked up that accessible unattaching scroll area accessible
* subtree.
*/
function changeScrollRange(aContainerID, aScrollAreaID) {
this.containerNode = getNode(aContainerID);
this.container = getAccessible(this.containerNode);
this.scrollAreaNode = getNode(aScrollAreaID);
this.eventSeq = [
new invokerChecker(EVENT_REORDER, this.container),
];
this.invoke = function changeScrollRange_invoke() {
this.scrollAreaNode.style.width = "20px";
this.containerNode.appendChild(document.createElement("input"));
};
this.finalCheck = function changeScrollRange_finalCheck() {
var accTree =
{ SECTION: [ // container
{ SECTION: [ // scroll area
{ ENTRY: [] }, // child content
] },
{ ENTRY: [] }, // inserted input
] };
testAccessibleTree(this.container, accTree);
};
this.getID = function changeScrollRange_getID() {
return "change scroll range for " + prettyName(aScrollAreaID);
};
}
/**
* Change scrollbar styles from visible to auto to make the scroll area focusable.
* That causes us to create an accessible for it.
* Make sure the tree stays intact.
* The scroll area has no ID on purpose to make it inaccessible initially.
*/
function makeFocusableByScrollbarStyles(aContainerID) {
this.container = getAccessible(aContainerID);
this.scrollAreaNode = getNode(aContainerID).firstChild;
this.eventSeq = [
new invokerChecker(EVENT_SHOW, getAccessible, this.scrollAreaNode),
new invokerChecker(EVENT_REORDER, this.container),
];
this.invoke = function makeFocusableByScrollbarStyles_invoke() {
var accTree =
{ SECTION: [ // container
{ PARAGRAPH: [ // paragraph
{ TEXT_LEAF: [] },
] },
] };
testAccessibleTree(this.container, accTree);
this.scrollAreaNode.style.overflow = "auto";
};
this.finalCheck = function makeFocusableByScrollbarStyles_finalCheck() {
var accTree =
{ SECTION: [ // container
{ role: ROLE_SECTION, // focusable scroll area
states: STATE_FOCUSABLE,
children: [
{ PARAGRAPH: [ // paragraph
{ TEXT_LEAF: [] }, // text leaf
] },
],
}, // focusable scroll area
] };
testAccessibleTree(this.container, accTree);
};
this.getID = function makeFocusableByScrollbarStyles_getID() {
return "make div focusable through scrollbar styles "
+ prettyName(aContainerID);
};
}
// //////////////////////////////////////////////////////////////////////////
// Do tests
// //////////////////////////////////////////////////////////////////////////
var gQueue = null;
// gA11yEventDumpID = "eventdump"; // debug stuff
// gA11yEventDumpToConsole = true;
function doTests() {
gQueue = new eventQueue();
gQueue.push(new changeScrollRange("container", "scrollarea"));
gQueue.push(new makeFocusableByScrollbarStyles("container2"));
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=677154"
title="Detached document accessibility tree">
Mozilla Bug 677154</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
</pre>
<div id="eventdump"></div>
<div id="container"><div id="scrollarea" style="overflow:auto;"><input></div></div>
<div id="container2"><div style="height: 1px;"><p>foo</p></div></div>
</body>
</html>
|
