internal RainbowProvider(
ITextBuffer buffer,
RainbowTaggerProvider provider)
{
this.TextBuffer = buffer;
this.Registry = provider.ClassificationRegistry;
this.LanguageFactory = provider.LanguageFactory;
this.Settings = provider.Settings;
this.ColorTagger = new RainbowColorTagger(this);
SetLanguage(buffer.CurrentSnapshot);
this.updatePendingFrom = -1;
this.TextBuffer.ChangedLowPriority += this.BufferChanged;
this.TextBuffer.ContentTypeChanged += this.ContentTypeChanged;
this.Dispatcher = Dispatcher.CurrentDispatcher;
VsfSettingsEventManager.AddListener(this.Settings, this);
UpdateBraceList(new SnapshotPoint(buffer.CurrentSnapshot, 0));
}
private void UnsubscribeFromEvents()
{
if (TextBuffer != null)
{
// ensure that we remove the property so that
// next time we create a new provider
TextBuffer.Properties.RemoveProperty(GetType());
TextBuffer.ChangedLowPriority -= this.BufferChanged;
TextBuffer.ContentTypeChanged -= this.ContentTypeChanged;
TextBuffer = null;
}
this.Dispatcher = null;
if (this.dispatcherTimer != null)
{
this.dispatcherTimer.Stop();
this.dispatcherTimer = null;
}
if (Settings != null)
{
VsfSettingsEventManager.RemoveListener(this.Settings, this);
Settings = null;
}
}
