private void WriteToFieldLog(string source, TraceEventType eventType, int id, string msg)
{
string shortMsg = null;
// Name comparisons roughly in a descending order of frequency, to optimise performance
if (source == PresentationTraceSources.DataBindingSource.Name)
{
HandleDataBindingMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.RoutedEventSource.Name)
{
if (id == 3)
{
if (eventType == TraceEventType.Start)
{
eventType = TraceEventType.Verbose; // Don't indent for this
}
else if (eventType == TraceEventType.Stop)
{
return; // Don't log this
}
}
//if (id == 4)
//{
// return; // Don't log this
//}
HandleRoutedEventMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.ResourceDictionarySource.Name)
{
HandleResourceDictionaryMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.MarkupSource.Name)
{
HandleMarkupMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.AnimationSource.Name)
{
HandleAnimationMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.DependencyPropertySource.Name)
{
HandleDependencyPropertyMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.FreezableSource.Name)
{
if (id == 1)
{
return; // Don't log this, it appears everywhere and comes from bugs in WPF
}
HandleFreezableMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.HwndHostSource.Name)
{
HandleHwndHostMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.NameScopeSource.Name)
{
HandleNameScopeMessage(id, ref msg, ref shortMsg);
}
else if (source == PresentationTraceSources.ShellSource.Name)
{
HandleShellMessage(id, ref msg, ref shortMsg);
}
// DocumentsSource does not have any information and is not augmented here
// Fallback short message if unknown event ID
if (shortMsg == null)
{
shortMsg = "ID " + id;
}
// Select appropriate FieldLog priority or otherwise highlight event type
FieldLogPriority prio = FieldLogPriority.Trace;
switch (eventType)
{
case TraceEventType.Critical:
case TraceEventType.Error:
prio = FieldLogPriority.Error;
break;
case TraceEventType.Warning:
prio = FieldLogPriority.Warning;
break;
case TraceEventType.Information:
prio = FieldLogPriority.Info;
break;
case TraceEventType.Start:
//shortMsg += " [Start]";
break;
case TraceEventType.Stop:
shortMsg += " [Stop]";
break;
case TraceEventType.Suspend:
shortMsg += " [Suspend]";
break;
case TraceEventType.Resume:
shortMsg += " [Resume]";
break;
case TraceEventType.Transfer:
shortMsg += " [Transfer]";
break;
}
// Write message to the log if it's still there
if (!FL.IsShutdown)
{
if (eventType == TraceEventType.Stop)
{
indentLevel--;
}
string indentPrefix = null;
if (indentLevel < 0)
{
indentPrefix = "«";
indentLevel = 0;
}
else if (indentLevel > 0)
{
// Use a cached pre-generated indent prefix for better performance
while (indentStrings.Count <= indentLevel)
{
int newLevel = indentStrings.Count;
string prefix = "";
for (int i = 1; i <= newLevel; i++)
{
prefix += "- ";
}
indentStrings.Add(prefix);
}
indentPrefix = indentStrings[indentLevel];
}
FL.Text(
prio,
indentPrefix + shortName + ": " + shortMsg,
(!string.IsNullOrEmpty(msg) ? msg + "\n\n" : "") +
"Event ID: " + id + "\nEvent type: " + eventType + "\nSource: " + sourceName);
if (eventType == TraceEventType.Start)
{
indentLevel++;
}
}
}