application_delegate.hpp

// Copyright Take Vos 2020.
// 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 "datum.hpp"
#include "version.hpp"
#include <string>
#include <vector>
#include <optional>
 
namespace tt {
class gui_system;
class gui_system_delegate;
class audio_system_delegate;
class application;
 
class application_delegate {
public:
    application_delegate() = default;
    virtual ~application_delegate() = default;
 
    virtual void init(application &self) {}
    virtual void deinit(application &self) {}
 
    virtual version application_version(application &self) const noexcept = 0;
 
    virtual datum configuration(application &self, int argc, char *argv[]) const noexcept
    {
        return {};
    }
 
    virtual std::weak_ptr<audio_system_delegate> audio_system_delegate(application &self) noexcept
    {
        return {};
    }
 
    virtual std::weak_ptr<gui_system_delegate> gui_system_delegate(application &self) noexcept
    {
        return {};
    }
 
    virtual std::optional<int> main(application &self) = 0;
 
};
 
}