ThreadTask.h

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#pragma once
#include <functional>
 
namespace Topo
{
class ShapeTool;
 
class ThreadTask
{
public:
    ThreadTask(){};
    virtual ~ThreadTask(){};
};
 
class MainThreadCallback
{
public:
    MainThreadCallback(){};
    virtual ~MainThreadCallback(){};
    virtual void operator()(int done_in_percent) const = 0;
};
 
class ThreadTaskWorker
{
public:
    ThreadTaskWorker(){};
    virtual ~ThreadTaskWorker(){};
    virtual void operator()(Topo::ThreadTask* runable) const = 0;
};
 
class ThreadPoolData
{
};
 
class ThreadPool
{
    friend Topo::ShapeTool;
 
public:
    virtual int idealThreadCount() = 0;
    virtual void runParallel(int threads,
                             const std::vector<Topo::ThreadTask*>&,
                             const Topo::ThreadTaskWorker& worker,
                             const Topo::MainThreadCallback& callback) = 0;
 
    virtual void startTask(std::function<void()> fun) = 0;
    virtual void stopAndJoinAllTasks() = 0;
 
protected:
    virtual ~ThreadPool(){};
    ThreadPool(){};
};
}  // namespace Topo