this.listenerRegistrar = listenerRegistrar;
searchTask = new SearchTask(document, viewportModel, scheduler);
searchTaskHandler = new SearchTaskHandler();
css = res.parenMatchHighlighterCss();
cursorListener = new CursorListener() {
@Override
public void onCursorChange(LineInfo lineInfo, int column, boolean isExplicitChange) {
cancel();
maybeSearch(lineInfo, column);
}