application.hpp

// Copyright Take Vos 2019-2021.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#pragma once
 
#include "thread.hpp"
#include "required.hpp"
#include "timer.hpp"
#include "datum.hpp"
#include "GUI/gui_window_size.hpp"
#include <span>
#include <memory>
#include <string>
#include <any>
#include <map>
#include <thread>
 
namespace tt {
class audio_system;
class font_book;
class theme_book;
class RenderDoc;
class unicode_data;
class application_delegate;
class URL;
 
class application
{
public:
    static inline application *global;
 
    std::weak_ptr<application_delegate> delegate;
 
    std::vector<std::string> arguments;
 
    os_handle instance;
 
    gui_window_size initial_window_size = gui_window_size::normal;
 
    datum configuration;
 
    date::time_zone const *timeZone = nullptr;
 
    thread_id main_thread_id;
 
    std::atomic<bool> inLoop;
 
    application(
        std::weak_ptr<application_delegate> const &delegate,
        std::vector<std::string> const &arguments,
        os_handle instance
    );
 
    virtual int main();
 
    virtual ~application();
    application(const application &) = delete;
    application &operator=(const application &) = delete;
    application(application &&) = delete;
    application &operator=(application &&) = delete;
 
    virtual void run_from_main_loop(std::function<void()> function) = 0;
 
    virtual void exit(int exit_code=0) = 0;
 
protected:
    virtual void init();
 
    virtual void deinit();
 
    virtual int loop() = 0;
 
    virtual void init_foundation();
    virtual void deinit_foundation();
    virtual void init_audio();
    virtual void deinit_audio();
    virtual void init_text();
    virtual void deinit_text();
    virtual void init_gui();
    virtual void deinit_gui();
 
private:
    typename timer::callback_ptr_type logger_maintenance_callback;
    typename timer::callback_ptr_type clock_maintenance_callback;
};
 
}