//
//  NSWrapper.hpp
//  XcodeOpenCL
//
//  Created by Joshua Moerman on 13/04/14.
//
//

#pragma once

#include <memory>
#include <functional>

#include <CoreGraphics/CoreGraphics.h>

struct GLContext;
struct ContextParameters{
    GLContext & context;
};

struct GLViewFunctionality {
    // All three will only be called with the current gl context already set
    // May be called from different threads
    std::function<void(ContextParameters)> initialize_callback;
    std::function<void(ContextParameters)> draw_callback;
    std::function<void(ContextParameters, CGFloat, CGFloat)> resize_callback;
};

// returns a GLViewFunctionality with only its draw function set.
GLViewFunctionality simple_draw(std::function<void()> f);

struct NSAppWrapper {
    NSAppWrapper();
    ~NSAppWrapper();
    
    void run();
    void create_window(GLViewFunctionality const &);
    
    std::unique_ptr<struct NSAppWrapperImpl> impl;
};