gecko/accessible/tests/mochitest/test_bug368835.xul

<?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.
-->

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

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

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

      get rowCount() { return this.mRowCount; },
      setTree: function(aTree) { this.mTree = aTree; },
      getCellText: function(aRow, aCol)
      {
        var key = String(aRow)  + aCol.id;
        if (key in this.mData)
          return this.mData[key];

        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)
    {
      gTreeRowCountChanged = true;

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

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

    var gTreeInvalidatedCount = 0;
    function TreeInvalidatedHandler(aEvent)
    {
      gTreeInvalidatedCount++;
      switch (gTreeInvalidatedCount) {
        case 2:
          TreeColumnInvalidatedHandler(aEvent);
          break;
        case 3:
          TreeRowInvalidatedHandler(aEvent);
          break;
      }
    }

    var gTreeColumnInvalidated = false;
    function TreeColumnInvalidatedHandler(aEvent)
    {
      var startRow = aEvent.getData("startrow");
      is(startRow, null,
         "Wrong 'startrow' of 'treeInvalidated' event on InvalidateColumn().");

      var endRow = aEvent.getData("endrow");
      is(endRow, null,
         "Wrong 'endrow' of 'treeInvalidated' event on InvalidateColumn().");

      var startCol = aEvent.getData("startcolumn");
      is(startCol, 0,
         "Wrong 'startcolumn' of 'treeInvalidated' event on InvalidateColumn().");

      var endCol = aEvent.getData("endcolumn");
      is(endCol, 0,
         "Wrong 'endcolumn' of 'treeInvalidated' event on InvalidateColumn().");

      gTreeColumnInvalidated = true;
    }

    var gTreeRowInvalidated = false;
    function TreeRowInvalidatedHandler(aEvent)
    {
      var startRow = aEvent.getData("startrow");
      is(startRow, 1,
         "Wrong 'startrow' of 'treeInvalidated' event on InvalidateColumn().");

      var endRow = aEvent.getData("endrow");
      is(endRow, 1,
         "Wrong 'endrow' of 'treeInvalidated' event on InvalidateColumn().");

      var startCol = aEvent.getData("startcolumn");
      is(startCol, null,
         "Wrong 'startcolumn' of 'treeInvalidated' event on InvalidateColumn().");

      var endCol = aEvent.getData("endcolumn");
      is(endCol, null,
         "Wrong 'endcolumn' of 'treeInvalidated' event on InvalidateColumn().");

      gTreeRowInvalidated = true;
    }

    function CheckEvents()
    {
      // 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.");
      ok(gTreeColumnInvalidated,
         "TreeInvalidated event should have been fired for InvalidateColumn().");
      ok(gTreeRowInvalidated,
         "TreeInvalidated event should have been fired for InvalidateRow().");

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

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

      document.removeEventListener("TreeInvalidated",
                                   TreeInvalidatedHandler, true);

      SimpleTest.finish();
    }

    var gAccService = null;

    function doTest()
    {
      // Check whether accessibility 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);

      // Add event listeners
      document.addEventListener("TreeViewChanged",
                                TreeViewChangedHandler, true);
      document.addEventListener("TreeRowCountChanged",
                                TreeRowCountChangedHandler, true);
      document.addEventListener("TreeInvalidated",
                                TreeInvalidatedHandler, true);

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

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

      // Fire 'TreeViewChanged' event
      treeBox.view = view;

      // Fire 'TreeRowCountChanged' changed
      ++view.mRowCount;
      treeBox.rowCountChanged(0, 1);

      // Fire 'TreeInvalidated' event by InvalidateColumn()
      var firstCol = treeBox.columns.getFirstColumn();
      for (var i = 0; i < view.mRowCount; i++) {
        var key = String(i) + firstCol.id;
        view.mData[key] = key + "_col";
      }

      treeBox.invalidateColumn(firstCol);

      // Fire 'TreeInvalidated' event by InvalidateRow()
      var colCount = tree.columns.count;
      for (var i = 0; i < colCount; i++) {
        var key = "1" + tree.columns.getColumnAt(i).id;
        view.mData[key] = key + "_row";
      }

      treeBox.invalidateRow(1);

      // Wait for events.
      if (gTreeViewChanged && gTreeRowCountChanged &&
          gTreeColumnInvalidated)
        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>
    <pre id="test">
    </pre>
  </body>

  <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>
</window>