void QuickInfoSession_Disposed(object sender, EventArgs e)
{
var session = (QuickInfoSession)sender;
session.Disposed -= QuickInfoSession_Disposed;
if (session == currentQuickInfoSession)
{
currentQuickInfoSession = null;
}
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> quickInfoContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
var qiSession = QuickInfoSession.TryGetSession(session);
if (qiSession == null)
{
// Mouse hovered over something and the default quick info controller created
// a quick info session.
if (session.Properties.ContainsProperty(hasTriggeredQuickInfoKey))
{
return;
}
session.Properties.AddProperty(hasTriggeredQuickInfoKey, null);
var point = session.GetTriggerPoint(session.TextView.TextSnapshot);
if (point != null)
{
quickInfoTriggerServiceProvider.Create(session.TextView).TryTrigger(point.Value, session.TrackMouse);
}
return;
}
// The item has been fetched async, now show it to the user
// It's possible for another quick info session to already be active, eg. when
// hovering over a url in a string, so close it.
quickInfoTriggerServiceProvider.CloseOtherSessions(session);
var item = qiSession.Item;
Debug.Assert(item != null);
if (item == null)
{
return;
}
var info = qiSession.State;
Debug.Assert(item.TextSpan.End <= info.Snapshot.Length);
if (item.TextSpan.End > info.Snapshot.Length)
{
return;
}
applicableToSpan = info.Snapshot.CreateTrackingSpan(item.TextSpan.ToSpan(), SpanTrackingMode.EdgeInclusive);
foreach (var o in quickInfoContentCreatorProvider.Create(session.TextView).Create(item))
{
quickInfoContent.Add(o);
}
}
public bool TryTrigger(SnapshotPoint point, bool trackMouse) {
if (point.Snapshot == null)
throw new ArgumentException();
var info = QuickInfoState.Create(point.Snapshot);
if (info == null)
return false;
currentQuickInfoSession?.Dispose();
currentQuickInfoSession = new QuickInfoSession(info.Value, point, trackMouse, quickInfoBroker, textView);
currentQuickInfoSession.Disposed += QuickInfoSession_Disposed;
currentQuickInfoSession.Start();
return true;
}
public bool TryTrigger(SnapshotPoint point, bool trackMouse)
{
if (point.Snapshot == null)
{
throw new ArgumentException();
}
var info = QuickInfoState.Create(point.Snapshot);
if (info == null)
{
return(false);
}
currentQuickInfoSession?.Dispose();
currentQuickInfoSession = new QuickInfoSession(info.Value, point, trackMouse, quickInfoBroker, textView);
currentQuickInfoSession.Disposed += QuickInfoSession_Disposed;
currentQuickInfoSession.Start();
return(true);
}
void QuickInfoSession_Disposed(object sender, EventArgs e) {
var session = (QuickInfoSession)sender;
session.Disposed -= QuickInfoSession_Disposed;
if (session == currentQuickInfoSession)
currentQuickInfoSession = null;
}