gecko/accessible/tests/mochitest/test_events_tree.xul

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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
type="text/css"?>
<!--
Bug 368835 - fire TreeViewChanged/TreeRowCountChanged events.
Bug 308564 - no accessibility events when data in a tree row changes.
-->
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
title="DOM TreeViewChanged/TreeRowCountChanged and a11y name change events.">
<script type="application/javascript"
src="chrome://mochikit/content/MochiKit/packed.js" />
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js" />
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/treeview.js" />
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/common.js" />
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/events.js" />
<script type="application/javascript">
<![CDATA[
////////////////////////////////////////////////////////////////////////////
// Invoker's checkers
/**
* Check TreeRowCountChanged event.
*/
function rowCountChangedChecker(aMsg, aIdx, aCount)
{
this.type = "TreeRowCountChanged";
this.target = gTree;
this.check = function check(aEvent)
{
var index = aEvent.getData("index");
is(index, aIdx, "Wrong 'index' data of 'treeRowCountChanged' event.");
var count = aEvent.getData("count");
is(count, aCount, "Wrong 'count' data of 'treeRowCountChanged' event.");
}
this.getID = function getID()
{
return aMsg + "TreeRowCountChanged";
}
}
/**
* Check TreeInvalidated event.
*/
function treeInvalidatedChecker(aMsg, aStartRow, aEndRow, aStartCol, aEndCol)
{
this.type = "TreeInvalidated";
this.target = gTree;
this.check = function check(aEvent)
{
var startRow = aEvent.getData("startrow");
is(startRow, aStartRow,
"Wrong 'startrow' of 'treeInvalidated' event on " + aMsg);
var endRow = aEvent.getData("endrow");
is(endRow, aEndRow,
"Wrong 'endrow' of 'treeInvalidated' event on " + aMsg);
var startCol = aEvent.getData("startcolumn");
is(startCol, aStartCol,
"Wrong 'startcolumn' of 'treeInvalidated' event on " + aMsg);
var endCol = aEvent.getData("endcolumn");
is(endCol, aEndCol,
"Wrong 'endcolumn' of 'treeInvalidated' event on " + aMsg);
}
this.getID = function getID()
{
return "TreeInvalidated on " + aMsg;
}
}
/**
* Check name changed a11y event.
*/
function nameChangeChecker(aMsg, aRow, aCol)
{
this.type = EVENT_NAME_CHANGE;
this.target getter = function()
{
var acc = getAccessible(gTree);
var tableAcc = getAccessible(acc, [nsIAccessibleTable], null,
DONOTFAIL_IF_NO_INTERFACE);
if (tableAcc)
return tableAcc.cellRefAt(aRow, aCol);
return acc.getChildAt(aRow + 1);
}
this.getID = function getID()
{
return aMsg + "name changed";
}
}
////////////////////////////////////////////////////////////////////////////
// Invokers
/**
* Set tree view and process TreeViewChanged handler.
*/
function setTreeView()
{
this.invoke = function setTreeView_invoke()
{
gTreeBox.view = gView;
}
this.getID = function setTreeView_getID() { return "TreeViewChanged"; }
this.eventSeq = [["TreeViewChanged", gTree]];
};
/**
* Insert row at 0 index and checks TreeRowCountChanged and TreeInvalidated
* event.
*/
function insertRow()
{
this.invoke = function insertRow_invoke()
{
++gView.mRowCount;
gTreeBox.rowCountChanged(0, 1);
}
this.eventSeq =
[
new rowCountChangedChecker("insertRow: ", 0, 1),
new treeInvalidatedChecker("insertRow", 0, 5, null, null)
];
}
/**
* Invalidates first column and checks six name changed events for each
* treeitem plus TreeInvalidated event.
*/
function invalidateColumn()
{
this.invoke = function()
{
// Make sure accessibles for the tree is created because it makes
// sure accessible events will be fired.
var treeAcc = getAccessible(gTree);
// Makes sure tree children accessibles are created otherwise they won't
// be a cause of name changed events.
var children = treeAcc.children;
// Fire 'TreeInvalidated' event by InvalidateColumn()
var firstCol = gTree.columns.getFirstColumn();
for (var i = 0; i < gView.mRowCount; i++) {
var key = String(i) + firstCol.id;
gView.mData[key] = key + "_col";
}
gTreeBox.invalidateColumn(firstCol);
}
this.eventSeq =
[
new nameChangeChecker("invalidateColumn: ", 0, 0),
new nameChangeChecker("invalidateColumn: ", 1, 0),
new nameChangeChecker("invalidateColumn: ", 2, 0),
new nameChangeChecker("invalidateColumn: ", 3, 0),
new nameChangeChecker("invalidateColumn: ", 4, 0),
new nameChangeChecker("invalidateColumn: ", 5, 0),
new treeInvalidatedChecker("invalidateColumn", null, null, 0, 0)
];
}
/**
* Invalidates second row and checks name changed event for first treeitem
* (note, there are two name changed events on linux due to different
* accessible tree for xul:tree element) plus TreeInvalidated event.
*/
function invalidateRow()
{
this.invoke = function()
{
// Fire 'TreeInvalidated' event by InvalidateRow()
var colCount = gTree.columns.count;
for (var i = 0; i < colCount; i++) {
var key = "1" + gTree.columns.getColumnAt(i).id;
gView.mData[key] = key + "_row";
}
gTreeBox.invalidateRow(1);
}
this.eventSeq =
[
new nameChangeChecker("invalidateColumn: ", 1, 0),
new treeInvalidatedChecker("invalidateColumn", 1, 1, null, null)
];
}
////////////////////////////////////////////////////////////////////////////
// Test
var gTree = null;
var gTreeBox = null;
var gTreeView = null;
var gQueue = null;
// gA11yEventDumpID = "debug";
function doTest()
{
// Initialize the tree
gTree = document.getElementById("tree");
gTreeBox = gTree.treeBoxObject;
gView = new inTreeView();
gView.mRowCount = 5;
// Perform actions
gQueue = new eventQueue();
gQueue.push(new setTreeView());
gQueue.push(new insertRow());
gQueue.push(new invalidateColumn());
gQueue.push(new invalidateRow());
gQueue.invoke();
}
SimpleTest.waitForExplicitFinish();
addA11yLoadEvent(doTest);
]]>
</script>
<hbox flex="1" style="overflow: auto;">
<body xmlns="http://www.w3.org/1999/xhtml">
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=368835"
title="Fire TreeViewChanged/TreeRowCountChanged events.">
Mozilla Bug 368835
</a><br/>
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=308564"
title="No accessibility events when data in a tree row changes.">
Mozilla Bug 308564
</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
<vbox id="debug"/>
<tree id="tree" flex="1">
<treecols>
<treecol id="col" flex="1" primary="true" label="column"/>
<treecol id="scol" flex="1" label="column 2"/>
</treecols>
<treechildren id="treechildren"/>
</tree>
</hbox>
</window>