Abstract/MIDIButtonLatched.hpp

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/* ✔ */
 
#pragma once
 
#include <AH/Hardware/Button.hpp>
#include <Def/Def.hpp>
#include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
 
BEGIN_CS_NAMESPACE
 
template <class Sender>
class MIDIButtonLatched : public MIDIOutputElement {
  protected:
    MIDIButtonLatched(pin_t pin, const MIDIAddress &address,
                      const Sender &sender)
        : button{pin}, address{address}, sender{sender} {}
 
  public:
    void begin() final override { button.begin(); }
    void update() final override {
        AH::Button::State state = button.update();
        if (state == AH::Button::Falling)
            toggleState();
    }
 
    bool toggleState() {
        setState(!getState());
        return getState();
    }
 
    bool getState() const { return state; }
 
    void setState(bool state) {
        this->state = state;
        state ? sender.sendOn(address) : sender.sendOff(address);
    }
 
#ifdef AH_INDIVIDUAL_BUTTON_INVERT
    void invert() { button.invert(); }
#endif
 
    AH::Button::State getButtonState() const { return button.getState(); }
 
  private:
    AH::Button button;
    const MIDIAddress address;
    bool state = false;
 
  public:
    Sender sender;
};
 
END_CS_NAMESPACE