gecko/accessible/tests/mochitest/tree/test_tree.xul

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<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
                 type="text/css"?>

<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        title="Accessible XUL tree hierarchy tests">

  <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/role.js" />
  <script type="application/javascript"
          src="chrome://mochikit/content/a11y/accessible/events.js" />

  <script type="application/javascript">
  <![CDATA[
    ////////////////////////////////////////////////////////////////////////////
    // Accessible tree testers

    function getTreeItemAccTree(aTableRole, acolumnCount)
    {
      var treeItemRole;
      switch (aTableRole) {
        case ROLE_LIST:
          treeItemRole = ROLE_LISTITEM;
          break;
        case ROLE_OUTLINE:
          treeItemRole = ROLE_OUTLINEITEM;
          break;
        case ROLE_TABLE: case ROLE_TREE_TABLE:
          treeItemRole = ROLE_ROW;
          break;
      }

      var accTree = {
        role: treeItemRole,
        children: []
      };

      if (aTableRole == ROLE_TABLE || aTableRole == ROLE_TREE_TABLE) {
        for (var idx = 0; idx < acolumnCount; idx++) {
          var cellAccTree = {
            role: ROLE_GRID_CELL,
            children: []
          };
          accTree.children.push(cellAccTree);
        }
      }

      return accTree;
    }

    function testAccessibleTreeFor(aTree, aRole)
    {
      var accTreeForColumns = {
        role: ROLE_LIST,
        children: []
      };

      var accTreeForTree = {
        role: aRole,
        children: [
          accTreeForColumns
        ]
      };

      var treeBoxObject = aTree.treeBoxObject;
      var view = treeBoxObject.view;
      var columnCount = treeBoxObject.columns.count;

      for (var idx = 0; idx < columnCount; idx++)
        accTreeForColumns.children.push({ role: ROLE_COLUMNHEADER, children: []});
      if (!aTree.hasAttribute("hidecolumnpicker"))
        accTreeForColumns.children.push({ role: ROLE_PUSHBUTTON, children: []});

      for (var idx = 0; idx < view.rowCount; idx++)
        accTreeForTree.children.push(getTreeItemAccTree(aRole, columnCount));

      testAccessibleTree(aTree, accTreeForTree);
    }

    /**
     * Event queue invoker object to test accessible tree for XUL tree element.
     */
    function treeChecker(aID, aView, aRole)
    {
      this.DOMNode = getNode(aID);

      this.invoke = function invoke()
      {
        this.DOMNode.treeBoxObject.view = aView;
      }
      this.check = function check(aEvent)
      {
        testAccessibleTreeFor(this.DOMNode, aRole);
      }
      this.getID = function getID()
      {
        return "Tree testing of " + aID;
      }
    }

    ////////////////////////////////////////////////////////////////////////////
    // Test

    // gA11yEventDumpID = "debug";
    var gQueue = null;

    function doTest()
    {
      var gQueue = new eventQueue("TreeViewChanged");

      gQueue.push(new treeChecker("list", new nsTableTreeView(3), ROLE_LIST));
      gQueue.push(new treeChecker("tree", new nsTreeTreeView(), ROLE_OUTLINE));
      gQueue.push(new treeChecker("table", new nsTableTreeView(3), ROLE_TABLE));
      gQueue.push(new treeChecker("treetable", new nsTreeTreeView(), ROLE_TREE_TABLE));

      gQueue.invoke(); // Will call SimpleTest.finish()
    }

    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=503727"
         title="Reorganize implementation of XUL tree accessibility">
        Mozilla Bug 503727
      </a><br/>
      <p id="display"></p>
      <div id="content" style="display: none">
      </div>
      <pre id="test">
      </pre>
    </body>

    <vbox flex="1">
      <tree id="list" flex="1" hidecolumnpicker="true">
        <treecols>
          <treecol id="col" flex="1" hideheader="true"/>
        </treecols>
        <treechildren/>
      </tree>

      <tree id="tree" flex="1">
        <treecols>
          <treecol id="col" flex="1" primary="true" label="column"/>
        </treecols>
        <treechildren/>
      </tree>

      <tree id="table" flex="1">
        <treecols>
          <treecol id="col1" flex="1" label="column"/>
          <treecol id="col2" flex="1" label="column 2"/>
        </treecols>
        <treechildren/>
      </tree>

      <tree id="treetable" flex="1">
        <treecols>
          <treecol id="col1" flex="1" primary="true" label="column"/>
          <treecol id="col2" flex="1" label="column 2"/>
        </treecols>
        <treechildren/>
      </tree>

      <vbox id="debug"/>
    </vbox>
  </hbox>

</window>