gecko-dev/layout/xul/test/test_bug368835.xul

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="/tests/SimpleTest/test.css" type="text/css"?>

<!--
  Bug 368835 - fire TreeViewChanged/TreeRowCountChanged events.
-->

<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        title="Mozilla Bug 368835">

  <script type="application/javascript" src="/MochiKit/packed.js"/>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"/>
  <script type="application/javascript">
  <![CDATA[
    function inTreeView() { }

    inTreeView.prototype =
    {
      mRowCount: 0,
      mTree: null,

      get rowCount() { return this.mRowCount; },
      setTree: function(aTree) { this.mTree = aTree; },
      getCellText: function(aRow, aCol) { return "hello"; },
      getRowProperties: function(aIndex, aProperties) {},
      getCellProperties: function(aIndex, aCol, aProperties) {},
      getColumnProperties: function(aCol, aProperties) {},
      getParentIndex: function(aRowIndex) { },
      hasNextSibling: function(aRowIndex, aAfterIndex) { },
      getLevel: function(aIndex) {},
      getImageSrc: function(aRow, aCol) {},
      getProgressMode: function(aRow, aCol) {},
      getCellValue: function(aRow, aCol) {},
      isContainer: function(aIndex) {},
      isContainerOpen: function(aIndex) {},
      isContainerEmpty: function(aIndex) {},
      isSeparator: function(aIndex) {},
      isSorted: function() {},
      toggleOpenState: function(aIndex) {},
      selectionChanged: function() {},
      cycleHeader: function(aCol) {},
      cycleCell: function(aRow, aCol) {},
      isEditable: function(aRow, aCol) {},
      isSelectable: function(aRow, aCol) {},
      setCellValue: function(aRow, aCol, aValue) {},
      setCellText: function(aRow, aCol, aValue) { },
      performAction: function(aAction) {},
      performActionOnRow: function(aAction, aRow) {},
      performActionOnCell: function(aAction, aRow, aCol) {}
    };

    var gTreeViewChanged = false;
    function TreeViewChangedHandler(aEvent)
    {
      gTreeViewChanged = true;
    }

    var gTreeRowCountChanged = false;
    function TreeRowCountChangedHandler(aEvent)
    {
      netscape.security.PrivilegeManager.
        enablePrivilege("UniversalXPConnect UniversalBrowserWrite");

      gTreeRowCountChanged = true;

      var index = aEvent.getData("index");
      ok(index == 0, "Wrong 'index' data of 'treeRowCountChanged' event.");

      var count = aEvent.getData("count");
      ok(count == 1, "Wrong 'count' data of 'treeRowCountChanged' event.");
    }

    function CheckEvents()
    {
      netscape.security.PrivilegeManager.
        enablePrivilege("UniversalXPConnect UniversalBrowserWrite");

      // If these fail then it doesn't mean actually events are not fired,
      // possibly setTimeout was executed earlier than events have beenS fired.

      ok(gTreeViewChanged, "TreeViewChanged event should have been fired.")
      ok(gTreeRowCountChanged, "TreeRowCountChanged event should have been fired.");

      document.removeEventListener("TreeViewChanged",
                                   TreeViewChangedHandler, true);

      document.removeEventListener("TreeRowCountChanged",
                                   TreeRowCountChangedHandler, true);

      SimpleTest.finish();
    }

    var gAccService = null;

    function doTest()
    {
      netscape.security.PrivilegeManager.
        enablePrivilege("UniversalXPConnect UniversalBrowserWrite");

      // Check whether accessbility support is enabled.
      if (!("@mozilla.org/accessibleRetrieval;1" in Components.classes)) {
        SimpleTest.finish();
        return;
      }

      // Activate accessibility, otherwise events aren't fired.
      gAccService = Components.classes["@mozilla.org/accessibleRetrieval;1"].
                    getService(Components.interfaces.nsIAccessibleRetrieval);

      document.addEventListener("TreeViewChanged",
                                TreeViewChangedHandler, true);
      document.addEventListener("TreeRowCountChanged",
                                TreeRowCountChangedHandler, true);

      var tree = document.getElementById("tree");
      var treeBox = tree.treeBoxObject;

      var view = new inTreeView();
      view.mRowCount = 5;

      treeBox.view = view;

      view.selection.currentIndex = 0;
      view.selection.selectAll();

      ++view.mRowCount;
      treeBox.rowCountChanged(0, 1);

      if (gTreeViewChanged && gTreeRowCountChanged)
        CheckEvents();
      else
        window.setTimeout(CheckEvents, 1000);
    }

    SimpleTest.waitForExplicitFinish();
    addLoadEvent(doTest);
  ]]>
  </script>

  <body xmlns="http://www.w3.org/1999/xhtml">
    <a target="_blank"
       href="https://bugzilla.mozilla.org/show_bug.cgi?id=368835">
      Mozilla Bug 368835
    </a>
    <p id="display"></p>
    <div id="content" style="display: none">
    </div>
  </body>

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