PauseWorkItem.h

#pragma once

#include "SemaphoreEegeo.h"
#include "WorkItem.h"

namespace Eegeo
{
    namespace Concurrency
    {
        namespace Tasks
        {
            class PauseWorkItem : public WorkItem
            {
            public:

                void Resume()
                {
                    m_workerSemaphore.Signal();
                }

                void WaitUntilPaused()
                {
                    m_controllerSemaphore.Wait();
                }

                bool RequiresGlContext() const
                {
                    return false;
                }

            protected:

                virtual void DoWork()
                {
                    m_controllerSemaphore.Signal();
                    m_workerSemaphore.Wait();
                }

                virtual void DoFinalizeOnMainThread()
                {
                }

            private:

                Semaphore m_controllerSemaphore;
                Semaphore m_workerSemaphore;
            };
        }
    }
}