~Listener()

fl::EngineEvents::Listener::~Listener ( )

virtual

Reimplemented in fl::Button::Listener, fl::UIButton::Listener, fl::UICheckbox::Listener, fl::UIDropdown::Listener, fl::UINumberField::Listener, fl::UISlider::Listener, UIButton::Listener, UICheckbox::Listener, UIDropdown::Listener, UINumberField::Listener, and UISlider::Listener.

Definition at line 12 of file engine_events.cpp.

                                {
#if FASTLED_HAS_ENGINE_EVENTS
    EngineEvents *ptr = EngineEvents::getInstance();
    const bool has_listener = ptr && ptr->_hasListener(this);
    if (has_listener) {
        // Warning, the listener should be removed by the subclass. If we are
        // here then the subclass did not remove the listener and we are now in
        // a partial state of destruction and the results may be undefined for
        // multithreaded applications. However, for single threaded (the only
        // option as of 2024, October) this will be ok.
        ptr->_removeListener(this);
    }
#endif
}

References fl::EngineEvents::EngineEvents(), fl::EngineEvents::_hasListener(), and fl::EngineEvents::_removeListener().

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