Bankable/Abstract/MIDIButtonLatched.hpp

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#pragma once
 
#include <AH/Containers/BitArray.hpp>
#include <AH/Hardware/Button.hpp>
#include <Banks/BankableAddresses.hpp>
#include <Def/Def.hpp>
#include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
 
BEGIN_CS_NAMESPACE
 
namespace Bankable {
 
template <uint8_t NumBanks, class BankAddress, class Sender>
class MIDIButtonLatched : public MIDIOutputElement {
  protected:
    MIDIButtonLatched(BankAddress bankAddress, pin_t pin,
                      const Sender &sender)
        : address{bankAddress}, button{pin}, sender{sender} {}
 
  public:
    void begin() override { button.begin(); }
 
    void update() override {
        AH::Button::State state = button.update();
        if (state == AH::Button::Falling)
            toggleState();
    }
 
    bool toggleState() {
        bool newstate = !getState();
        setState(newstate);
        return newstate;
    }
 
    bool getState() const { return states.get(address.getSelection()); }
 
    void setState(bool state) {
        states.set(address.getSelection(), state);
        if (state) {
            sender.sendOn(address.getActiveAddress());
        } else {
            sender.sendOff(address.getActiveAddress());
        }
    }
 
    AH::Button::State getButtonState() const { return button.getState(); }
 
  private:
    BankAddress address;
    AH::Button button;
    AH::BitArray<NumBanks> states;
 
  public:
    Sender sender;
};
 
} // namespace Bankable
 
END_CS_NAMESPACE