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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2008 by Eran Ifrah
// file name : worker_thread.h
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#ifndef WORKER_THREAD_H
#define WORKER_THREAD_H
#include <deque>
#include "wx/thread.h"
#include "wx/event.h"
#include "codelite_exports.h"
#include <wx/msgqueue.h>
#include <queue>
#include <condition_variable>
#include <mutex>
/**
* Base class for thread requests,
*/
class WXDLLIMPEXP_CL ThreadRequest
{
public:
ThreadRequest(){};
virtual ~ThreadRequest(){};
};
/**
* Worker Thread class
* usually user should define the ProcessRequest method
*/
class WXDLLIMPEXP_CL WorkerThread : public wxThread
{
protected:
wxEvtHandler* m_notifiedWindow;
std::mutex m_mutex;
std::condition_variable m_cv;
std::queue<ThreadRequest*> m_Q;
public:
/**
* Default constructor.
*/
WorkerThread();
/**
* Destructor.
*/
virtual ~WorkerThread();
/**
* Thread execution point.
*/
virtual void* Entry();
/**
* Called when the thread exits
* whether it terminates normally or is stopped with Delete() (but not when it is Kill()'ed!)
*/
virtual void OnExit(){};
/**
* Add a request to the worker thread
* \param request request to execute.
*/
void Add(ThreadRequest* request);
/**
* @brief clear the request queue
*/
void ClearQueue();
/**
* Set the window to be notified when a change was done
* between current source file tree and the actual tree.
* \param evtHandler
*/
void SetNotifyWindow(wxEvtHandler* evtHandler) { m_notifiedWindow = evtHandler; }
wxEvtHandler* GetNotifiedWindow() { return m_notifiedWindow; }
/**
* Stops the thread
* This function returns only when the thread is terminated.
* \note This call must be called from the context of other thread (e.g. main thread)
*/
void Stop();
/**
* Start the thread as joinable thread.
* \note This call must be called from the context of other thread (e.g. main thread)
*/
void Start(int priority = WXTHREAD_DEFAULT_PRIORITY);
/**
* Process request from the other thread
* \param request ThreadRequest object to process
*/
virtual void ProcessRequest(ThreadRequest* request) = 0;
};
#endif // WORKER_THREAD_H
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