private void UpdateNavigationTargets([NotNull] IEditorNavigationSource source)
{
Requires.NotNull(source, nameof(source));
lock (this)
{
if (Updating)
{
return;
}
}
try
{
Updating = true;
var targets = source.GetNavigationTargets().ToArray();
Action action = () => UpdateNavigationTargets(targets);
if (VisualElement.Dispatcher.Thread == Thread.CurrentThread)
{
action();
}
else
{
VisualElement.Dispatcher.Invoke(action);
}
}
finally
{
Updating = false;
}
}
private void UpdateNavigationTargets(IEditorNavigationSource source)
{
Contract.Requires <ArgumentNullException>(source != null, "source");
lock (this)
{
if (Updating)
{
return;
}
}
try
{
Updating = true;
var targets = source.GetNavigationTargets().ToArray();
Action action = () => UpdateNavigationTargets(targets);
if (Dispatcher.Thread == Thread.CurrentThread)
{
action();
}
else
{
Dispatcher.Invoke(action);
}
}
finally
{
Updating = false;
}
}
private void UpdateNavigationTargets(IEditorNavigationSource source)
{
Contract.Requires<ArgumentNullException>(source != null, "source");
lock (this)
{
if (Updating)
return;
}
try
{
Updating = true;
var targets = source.GetNavigationTargets().ToArray();
Action action = () => UpdateNavigationTargets(targets);
if (VisualElement.Dispatcher.Thread == Thread.CurrentThread)
action();
else
VisualElement.Dispatcher.Invoke(action);
}
finally
{
Updating = false;
}
}
private void OnNavigationTargetsChanged(object sender, EventArgs e)
{
IEditorNavigationSource source = (IEditorNavigationSource)sender;
UpdateNavigationTargets(source);
}