MIDIPilot/StateManager.cpp at main · jackghicks/MIDIPilot · GitHub

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//
// Created by me on 21/04/2023.
//

#include "StateManager.h"
#include "BaseState.h"

StateManager::StateManager() {
    this->currentState = nullptr;

    leftButton = new AceButton(Pins::DIGITAL_PIN_BUTTON_L);
    rightButton = new AceButton(Pins::DIGITAL_PIN_BUTTON_R);
    leftButton->setButtonConfig(&buttonConfig);
    rightButton->setButtonConfig(&buttonConfig);
    buttonConfig.setIEventHandler(this);
    buttonConfig.setFeature(ButtonConfig::kFeatureClick);
    buttonConfig.setFeature(ButtonConfig::kFeatureDoubleClick);
    buttonConfig.setFeature(ButtonConfig::kFeatureLongPress);
    buttonConfig.setFeature(ButtonConfig::kFeatureSuppressAfterClick);
    buttonConfig.setFeature(ButtonConfig::kFeatureSuppressAfterLongPress);
    buttonConfig.setFeature(ButtonConfig::kFeatureSuppressAfterDoubleClick);
}

StateManager::~StateManager() {
    if (this->currentState != nullptr) {
        delete this->currentState;
    }

    delete leftButton;
    delete rightButton;
}

void StateManager::loop() {
    leftButton->check();
    rightButton->check();

    if (this->currentState != nullptr) {
        this->currentState->loop();
    }
}

void StateManager::changeState(BaseState *state) {
    if (this->currentState != nullptr) {
        this->currentState->exit();
        delete this->currentState;
        this->currentState = nullptr;
    }

    this->currentState = state;

    if (this->currentState != nullptr) {
        this->currentState->enter();
    }
}

BaseState *StateManager::getState() {
    return this->currentState;
}

void StateManager::handleEvent(AceButton *button, uint8_t eventType, uint8_t buttonState) {
    DigitalInputs input = DigitalInputs::BUTTON_UNKNOWN;

    if (button == leftButton) {
        input = DigitalInputs::BUTTON_L;
    } else if (button == rightButton) {
        input = DigitalInputs::BUTTON_R;
    } else {
        Serial.print("Unknown button event: ");
        Serial.print(eventType);
        Serial.print(" on pin ");
        Serial.println(button->getPin());
        input = DigitalInputs::BUTTON_UNKNOWN;
    }

    if(this->currentState != nullptr && input != DigitalInputs::BUTTON_UNKNOWN) {
        this->currentState->handleEvent(input, eventType);
    }
}