public void RemoveStructureChangedEventHandler(IElement element,
StructureChangedEventHandler eventHandler)
{
int handlerId = eventHandlerManager.GetStructureEventIdByHandler(eventHandler);
if (handlerId == -1)
{
return;
}
if (element == null)
{
//the element is the RootElement
RootElementEventsManager.RemoveStructureEventRequest(handlerId);
foreach (var entry in GetUiaApplications())
{
entry.Value.RemoveRootElementStructureChangedEventHandler(handlerId);
}
}
else
{
UiaDbusElement uiaDbusElement = element as UiaDbusElement;
if (uiaDbusElement == null)
{
Log.Error("[RemoveStructureChangedEventHandler] " +
"The element sent to UiaDbusSource is not UiaDbusElement");
return;
}
string busName = uiaDbusElement.BusName;
DCI.IApplication app = Bus.Session.GetObject <DCI.IApplication> (busName,
new ObjectPath(DC.Constants.ApplicationPath));
int [] runtimeId = uiaDbusElement.RuntimeId;
app.RemoveStructureChangedEventHandler(runtimeId, handlerId);
}
}
private object DeserializeAutomationPropertyValue(string busName, int propId, object value)
{
object ret = null;
if (propId == TableItemPatternIdentifiers.ColumnHeaderItemsProperty.Id ||
propId == TableItemPatternIdentifiers.RowHeaderItemsProperty.Id ||
propId == TablePatternIdentifiers.ColumnHeadersProperty.Id ||
propId == TablePatternIdentifiers.RowHeadersProperty.Id ||
propId == SelectionPatternIdentifiers.SelectionProperty.Id)
{
string [] paths = (string [])value;
AutomationElement [] elements = new AutomationElement [paths.Length];
for (var i = 0; i < paths.Length; i++)
{
UiaDbusElement elem = GetOrCreateElement(busName, paths [i]);
elements [i] = SourceManager.GetOrCreateAutomationElement(elem);
}
ret = elements;
}
else if (propId == AutomationElementIdentifiers.LabeledByProperty.Id ||
propId == GridItemPatternIdentifiers.ContainingGridProperty.Id ||
propId == SelectionItemPatternIdentifiers.SelectionContainerProperty.Id)
{
string path = (string)value;
UiaDbusElement elem = GetOrCreateElement(busName, path);
ret = SourceManager.GetOrCreateAutomationElement(elem);
}
else
{
ret = DC.DbusSerializer.DeserializeValue(propId, value);
}
return(ret);
}
internal UiaDbusElement [] GetOrCreateElements(string busName, string [] paths)
{
var elements = new UiaDbusElement [paths.Length];
for (int i = 0; i < paths.Length; i++)
{
elements [i] = this.GetOrCreateElement(busName, paths [i]);
}
return(elements);
}
private UiaDbusElement CreateElement(DCI.IAutomationElement dbusElement, string busName, string elementPath)
{
if (dbusElement == null)
{
return(null);
}
UiaDbusElement element = new UiaDbusElement(dbusElement, busName, elementPath, this);
lock (elementMapping)
elementMapping.Add(new DbusElementTuple(busName, elementPath), element);
return(element);
}
private void EnsureAutomationEventsSetUp(DCI.IApplication app, string busName)
{
if (!automationEventBusNames.Contains(busName))
{
automationEventBusNames.Add(busName);
app.AutomationEvent += delegate(int hId, int evtId, string providerPath) {
var handler = eventHandlerManager.GetAutomationEventHandlerById(hId);
if (handler != null)
{
UiaDbusElement elem = GetOrCreateElement(busName, providerPath);
AutomationElement ae = SourceManager.GetOrCreateAutomationElement(elem);
var args = new AutomationEventArgs(AutomationEvent.LookupById(evtId));
handler(ae, args);
}
};
}
}
private void EnsureStructureEventsSetUp(DCI.IApplication app, string busName)
{
if (!structureEventBusNames.Contains(busName))
{
structureEventBusNames.Add(busName);
app.StructureChanged += delegate(int hId, int evtId, string providerPath,
StructureChangeType changeType) {
var handler = eventHandlerManager.GetStructureEventHandlerById(hId);
if (handler != null)
{
UiaDbusElement elem = GetOrCreateElement(busName, providerPath);
AutomationElement ae = SourceManager.GetOrCreateAutomationElement(elem);
var args = new StructureChangedEventArgs(changeType, elem.RuntimeId);
handler(ae, args);
}
};
}
}
public ITextPatternRange RangeFromChild(IElement childElement)
{
UiaDbusElement uiaDbusElement = childElement as UiaDbusElement;
if (uiaDbusElement == null)
{
throw new InvalidOperationException("The childElement parameter " +
"is not a child of the AutomationElement associated with the " +
"TextPattern or from the array of children of the TextPatternRange.");
}
string rangePath = null;
try {
rangePath = pattern.RangePathFromChild(uiaDbusElement.DbusPath);
} catch (Exception ex) {
throw DbusExceptionTranslator.Translate(ex);
}
return(GetTextPatternRange(rangePath));
}
public void AddAutomationPropertyChangedEventHandler(IElement element,
TreeScope scope,
AutomationPropertyChangedEventHandler eventHandler,
AutomationProperty [] properties)
{
int [] propertyIds = new int [properties.Length];
for (int i = 0; i < properties.Length; i++)
{
propertyIds [i] = properties [i].Id;
}
if (element == null)
{
//the element is the RootElement
// TODO clean up registered handlers when they're removed
int handlerId = eventHandlerManager.RegisterPropertyEventHandler(eventHandler);
RootElementEventsManager.AddPropertyEventRequest(scope, handlerId, propertyIds);
foreach (var entry in GetUiaApplications())
{
string busName = entry.Key;
var app = entry.Value;
EnsurePropertyEventsSetUp(app, busName);
app.AddRootElementAutomationPropertyChangedEventHandler(
scope, handlerId, propertyIds);
}
}
else
{
UiaDbusElement uiaDbusElement = element as UiaDbusElement;
if (uiaDbusElement == null)
{
Log.Error("[AddAutomationPropertyChangedEventHandler] The element sent to UiaDbusSource is not UiaDbusElement");
return;
}
string busName = uiaDbusElement.BusName;
DCI.IApplication app = Bus.Session.GetObject <DCI.IApplication> (busName,
new ObjectPath(DC.Constants.ApplicationPath));
int [] runtimeId = uiaDbusElement.RuntimeId;
int handlerId = eventHandlerManager.RegisterPropertyEventHandler(eventHandler);
EnsurePropertyEventsSetUp(app, busName);
app.AddAutomationPropertyChangedEventHandler(runtimeId, scope, handlerId, propertyIds);
}
}
private void EnsurePropertyEventsSetUp(DCI.IApplication app, string busName)
{
if (!propertyEventBusNames.Contains(busName))
{
propertyEventBusNames.Add(busName);
app.AutomationPropertyChanged += delegate(
int hId, int evtId, string providerPath,
int propertyId, object oldValue, object newValue) {
var handler = eventHandlerManager.GetPropertyEventHandlerById(hId);
if (handler != null)
{
UiaDbusElement elem = GetOrCreateElement(busName, providerPath);
AutomationElement ae = SourceManager.GetOrCreateAutomationElement(elem);
oldValue = DeserializeAutomationPropertyValue(busName, propertyId, oldValue);
newValue = DeserializeAutomationPropertyValue(busName, propertyId, newValue);
var args = new AutomationPropertyChangedEventArgs(
AutomationProperty.LookupById(propertyId),
oldValue, newValue);
handler(ae, args);
}
};
}
}
public void AddAutomationEventHandler(AutomationEvent eventId,
IElement element,
TreeScope scope,
AutomationEventHandler eventHandler)
{
if (element == null)
{
//the element is the RootElement
// TODO clean up registered handlers when they're removed
int handlerId = eventHandlerManager.RegisterAutomationEventHandler(eventHandler);
RootElementEventsManager.AddAutomationEventRequest(eventId.Id, scope, handlerId);
foreach (var entry in GetUiaApplications())
{
string busName = entry.Key;
var app = entry.Value;
EnsureAutomationEventsSetUp(app, busName);
app.AddRootElementAutomationEventHandler(eventId.Id, scope, handlerId);
}
}
else
{
UiaDbusElement uiaDbusElement = element as UiaDbusElement;
if (uiaDbusElement == null)
{
Log.Error("[AddAutomationEventHandler] The element sent to UiaDbusSource is not UiaDbusElement");
return;
}
string busName = uiaDbusElement.BusName;
DCI.IApplication app = Bus.Session.GetObject <DCI.IApplication> (busName,
new ObjectPath(DC.Constants.ApplicationPath));
int [] runtimeId = uiaDbusElement.RuntimeId;
int handlerId = eventHandlerManager.RegisterAutomationEventHandler(eventHandler);
EnsureAutomationEventsSetUp(app, busName);
app.AddAutomationEventHandler(eventId.Id, runtimeId, scope, handlerId);
}
}
private UiaDbusElement CreateElement (DCI.IAutomationElement dbusElement, string busName, string elementPath)
{
if (dbusElement == null)
return null;
UiaDbusElement element = new UiaDbusElement (dbusElement, busName, elementPath, this);
lock (elementMapping)
elementMapping.Add (new DbusElementTuple (busName, elementPath), element);
return element;
}
internal UiaDbusElement [] GetOrCreateElements (string busName, string [] paths)
{
var elements = new UiaDbusElement [paths.Length];
for (int i = 0; i < paths.Length; i++) {
elements [i] = this.GetOrCreateElement (busName, paths [i]);
}
return elements;
}