public TextEventHandler (Element element)
{
this.element = element;
element.accessible.ObjectEvents.TextChanged += OnTextChanged;
element.accessible.ObjectEvents.TextSelectionChanged += OnTextSelectionChanged;
}
public ValueEventHandler (Element element)
{
this.element = element;
currentValue = Text.GetText ();
element.accessible.ObjectEvents.TextChanged += OnTextChanged;
}
public SelectionEventHandler (Element element, SelectionSource source)
{
this.source = source;
this.element = element;
oldSelection = source.GetSelection ();
element.accessible.ObjectEvents.SelectionChanged += OnSelectionChanged;
}
public GridEventHandler (Element element)
{
this.element = element;
element.accessible.ObjectEvents.RowInserted += OnRowInserted;
element.accessible.ObjectEvents.RowDeleted += OnRowDeleted;
element.accessible.ObjectEvents.ColumnInserted += OnColumnInserted;
element.accessible.ObjectEvents.ColumnDeleted += OnColumnDeleted;
}
public RangeValueEventHandler (Element element)
{
this.element = element;
try {
currentValue = Value.CurrentValue;
} catch (Exception) { }
element.accessible.ObjectEvents.PropertyChange += OnPropertyChange;
}
public ExpandCollapseSource (Element element)
{
accessible = (element is DataItemElement
? ((Element)element.FirstChild).Accessible
: element.Accessible);
action = accessible.QueryAction ();
ActionDescription [] actions = action.Actions;
for (int i = 0; i < actions.Length; i++) {
if (actions [i].Name == "expand or contract" ||
actions [i].Name == "expand or collapse") {
expandOrContractAction = i;
break;
}
}
}
public IElement [] GetColumnHeaderItems ()
{
// TODO: would be nice if at-spi made this easier
Accessible accessible = table.GetColumnHeader (0);
// If that returned null, then maybe we have no
// headers, so not going to query every single row
if (accessible == null)
return new Element [0];
int count = table.NColumns;
Element [] elements = new Element [count];
elements [0] = Element.GetElement (accessible);
for (int i = 1; i < count; i++) {
accessible = table.GetColumnHeader (i);
if (accessible != null)
elements [i] = Element.GetElement (accessible);
}
return elements;
}
internal static Element GetElement (Accessible accessible, bool create)
{
if (accessible == null)
return null;
// We expose the children of Applications as top-level,
// to be more like UIA
if (accessible.Role == Role.Application)
return null;
if (elements.ContainsKey (accessible))
return elements [accessible];
if (!create)
return null;
Element element;
if (IsTable (accessible))
element = new TableElement (accessible);
else if (IsTableHeaderItem (accessible))
element = new TableHeaderItemElement (accessible);
else if (IsTreeItem (accessible))
element = new TreeItemElement (accessible);
else
element = new Element (accessible);
return element;
}
public Element (Accessible accessible)
{
extraChildren = new List<Element> ();
if (!elements.ContainsKey (accessible))
elements [accessible] = this;
patterns = new List<ISourceEventHandler> ();
this.accessible = accessible;
runtimeId = -1;
if (accessible.Role == Role.Dialog &&
accessible.Parent.Role == Role.Application &&
accessible.QueryComponent () != null) {
// Try to figure out if the dialog is painted
// on top of another window
BoundingBox curExtents = accessible.QueryComponent ().GetExtents (CoordType.Screen);
int count = accessible.Parent.Children.Count;
for (int i = 0; i < count; i++) {
Accessible child = accessible.Parent.Children [i];
if (child == null ||
child.Role != Role.Frame)
continue;
Component childComponent = child.QueryComponent ();
if (childComponent == null)
continue;
BoundingBox windowExtents = childComponent.GetExtents (CoordType.Screen);
if (windowExtents.X <= curExtents.X &&
windowExtents.Y <= curExtents.Y &&
(windowExtents.X + windowExtents.Width) > curExtents.X &&
(windowExtents.Y + windowExtents.Height) > curExtents.Y) {
parent = GetElement (child);
parent.extraChildren.Add (this);
break;
}
}
}
if (parent == null)
parent = GetElement (accessible.Parent);
AddEvents (true);
}
public TextSource (Element element)
{
accessible = element.Accessible;
text = accessible.QueryText ();
}
public SelectionItemSource (Element element)
{
accessible = element.Accessible;
}
public ToggleSource (Element element)
{
accessible = element.Accessible;
action = accessible.QueryAction ();
}
public TableItemSource (Element element) : base (element)
{
}
public ValueSource (Element element)
{
accessible = element.Accessible;
text = accessible.QueryText ();
editableText = accessible.QueryEditableText ();
}
public RangeValueSource (Element element)
{
accessible = element.Accessible;
}
public GridItemSource (Element element)
{
accessible = element.Accessible;
table = accessible.Parent.QueryTable ();
}