protected virtual void notifyListeners()
{
D.assert(this._debugAssertNotDisposed());
if (this._listeners != null)
{
var localListeners = new List <VoidCallback>(this._listeners);
foreach (VoidCallback listener in localListeners)
{
try {
if (this._listeners.Contains(listener))
{
listener();
}
}
catch (Exception ex) {
UIWidgetsError.reportError(new UIWidgetsErrorDetails(
exception: ex,
library: "foundation library",
context: "while dispatching notifications for " + this.GetType(),
informationCollector: information => {
information.AppendLine("The " + this.GetType() + " sending notification was:");
information.Append(" " + this);
}
));
}
}
}
}
protected virtual void notifyListeners()
{
D.assert(_debugAssertNotDisposed());
if (_listeners != null)
{
var localListeners = new List <VoidCallback>(_listeners);
foreach (VoidCallback listener in localListeners)
{
try {
if (_listeners.Contains(listener))
{
listener();
}
}
catch (Exception ex) {
IEnumerable <DiagnosticsNode> infoCollector()
{
yield return(new DiagnosticsProperty <ChangeNotifier>(
$"The {GetType()} sending notification was",
this,
style: DiagnosticsTreeStyle.errorProperty
));
}
UIWidgetsError.reportError(new UIWidgetsErrorDetails(
exception: ex,
library: "foundation library",
context: new ErrorDescription($"while dispatching notifications for {GetType()}"),
informationCollector: infoCollector
));
}
}
}
}