public void DocumentOpened(uint cookie)
{
JoinableTaskContext.AssertUIThread();
lock (Lock)
{
// Casts avoid dynamic
if ((object)_runningDocumentTable.GetDocumentData(cookie) is IVsTextBuffer vsTextBuffer)
{
var filePath = _runningDocumentTable.GetDocumentMoniker(cookie);
if (!TryGetMatchingDocuments(filePath, out var documents))
{
// This isn't a document that we're interesting in.
return;
}
var textBuffer = _editorAdaptersFactory.GetDataBuffer(vsTextBuffer);
if (textBuffer == null)
{
// The text buffer has not been created yet, register to be notified when it is.
VsTextBufferDataEventsSink.Subscribe(vsTextBuffer, () => BufferLoaded(vsTextBuffer, filePath));
return;
}
// It's possible that events could be fired out of order and that this is a rename.
if (_documentsByCookie.ContainsKey(cookie))
{
DocumentClosed(cookie, exceptFilePath: filePath);
}
BufferLoaded(textBuffer, filePath, documents);
}
}
}
public static void Subscribe(IVsTextBuffer vsTextBuffer, Action action)
{
if (vsTextBuffer is null)
{
throw new ArgumentNullException(nameof(vsTextBuffer));
}
if (action is null)
{
throw new ArgumentNullException(nameof(action));
}
var connectionPointContainer = (IConnectionPointContainer)vsTextBuffer;
var guid = typeof(IVsTextBufferDataEvents).GUID;
connectionPointContainer.FindConnectionPoint(ref guid, out var connectionPoint);
var sink = new VsTextBufferDataEventsSink(connectionPoint, action);
connectionPoint.Advise(sink, out sink._cookie);
}
