MIDIInputElement.hpp

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/* ✔ */
 
#pragma once
 
#include "ChannelMessageMatcher.hpp"
#include <Def/MIDIAddress.hpp>
 
BEGIN_CS_NAMESPACE
 
class MIDIInputElement {
  protected:
    MIDIInputElement() {} // not used, only for virtual inheritance
    MIDIInputElement(const MIDIAddress &address) : address(address) {}
 
  public:
    virtual ~MIDIInputElement() = default;
 
    virtual void begin() {}
 
    virtual void reset() {}
 
    virtual void update() {}
 
    bool updateWith(const ChannelMessageMatcher &midimsg) {
        MIDIAddress target = getTarget(midimsg);
        if (!this->match(target))
            return false;
        DEBUGFN(F("MIDI message matches"));
        if (!updateImpl(midimsg, target))
            return false;
        DEBUGFN(F("Updated"));
        return true;
    }
 
  private:
    virtual bool updateImpl(const ChannelMessageMatcher &midimsg,
                            const MIDIAddress &target) = 0;
 
    virtual MIDIAddress getTarget(const ChannelMessageMatcher &midimsg) const {
        return {
            int8_t(midimsg.data1),
            Channel(midimsg.channel),
            Cable(midimsg.CN),
        };
    }
 
    virtual bool match(const MIDIAddress &target) const {
        return MIDIAddress::matchSingle(this->address, target);
    }
 
  protected:
    const MIDIAddress address;
};
 
END_CS_NAMESPACE