Application.h

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#pragma once

#include <SDL2/SDL.h>
#include <SDL2/SDL_ttf.h>
#include <SDL2/SDL_image.h>
#include <string>
#include <unistd.h>
#include <linux/vt.h>
#include <linux/kd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <memory>
#include <functional>

#include "Window.h"
#include "SceneManager.h"
#include "TouchInput.h"
#include "TouchEventDispatcher.h"
#include "IMGException.h"
#include "TTFFontException.h"
#include "TouchCPException.h"
#include "WorkerThread.h"
#include "MainThreadTaskRunner.h"

class Application
{
public:
    Application(int width, int height, SDL_Color bgColor, std::string touchInputDevice, std::string ttyDevice, int FPS_LIMIT);
    ~Application();

    Application(const Application &copy) = delete;
    Application operator=(const Application &copy) = delete;

    void run();
    bool isRunning();
    SDL_Window *getWindow();
    SDL_Renderer *getRenderer();
    SceneManager *getSceneManager();
    void runOnWorkerThread(Task *task);
    void runOnMainThread(Task *task);
    static SDL_Window *getCurrentWindow();
    static SDL_Renderer *getCurrentRenderer();
    static SceneManager *getCurrentSceneManager();
    static void runOnCurrentWorkerThread(Task *task);
    static void runOnCurrentMainThread(Task *task);
    void exit();

    static Application *getCurrent();

private:
    static Application *application;
    void MainLoop();
    void ProcessEvents(TouchEventDispatcher &touchEventDispatcher, const ts_sample_mt touch_event);
    void DisableTTYCursor();
    void EnableTTYCursor();

    SceneManager sceneManager;
    bool running = true;
    int width, height;
    SDL_Color bgColor;
    std::string touchInputDevice, ttyDevice;
    SDL_Window *window;
    SDL_Renderer *renderer;
    uint32_t lastTouchEvent;
    std::unique_ptr<TouchEventDispatcher> touchEventDispatcher;
    std::unique_ptr<Window> mainWindow;
    std::unique_ptr<TouchInput> touchInput;
    // This order is important
    MainThreadTaskRunner taskRunner;
    WorkerThread workerThread;

    static constexpr int TOUCH_DEBOUNCE_MS = 250;
    static constexpr int SAMPLES = 5;
    static constexpr int SLOTS = 1;
    int FPS = 30;
    unsigned int FRAMETIME = 1000 / FPS;
};