@Override
public void sessionStarted(ISarosSession newSarosSession) {
undoHistory.clear();
newSarosSession.addActivityProvider(UndoManager.this);
enabled = preferences.isConcurrentUndoActivated();
eclipseHistory.addOperationApprover(operationBlocker);
UndoManager.this.sarosSession = newSarosSession;
}
@Override
public void sessionEnded(ISarosSession oldSarosSession) {
oldSarosSession.removeActivityProvider(UndoManager.this);
undoHistory.clear();
enabled = false;
eclipseHistory.removeOperationApprover(operationBlocker);
UndoManager.this.sarosSession = null;
currentLocalCompositeOperation = null;
currentLocalAtomicOperation = null;
}
