Emits the current index changed signal provided signals are not blocked.

def emitCurrentChanged(self):
        """
        Emits the current index changed signal provided signals are not blocked.
        """
        if not self.signalsBlocked():
            self.currentIndexChanged.emit(self.currentIndex())
            self.currentUrlChanged.emit(self.currentUrl())
            
            self.canGoBackChanged.emit(self.canGoBack())
            self.canGoForwardChanged.emit(self.canGoForward())