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/*
* DownloadStateManager.h
*****************************************************************************
* Copyright (C) 2012, bitmovin Softwareentwicklung OG, All Rights Reserved
*
* Email: libdash-dev@vicky.bitmovin.net
*
* This source code and its use and distribution, is subject to the terms
* and conditions of the applicable license agreement.
*****************************************************************************/
#ifndef DOWNLOADSTATEMANAGER_H_
#define DOWNLOADSTATEMANAGER_H_
#include "config.h"
#include "IDownloadObserver.h"
#include "../portable/MultiThreading.h"
namespace dash
{
namespace network
{
class DownloadStateManager
{
public:
DownloadStateManager ();
virtual ~DownloadStateManager ();
DownloadState State () const;
void WaitState (DownloadState state) const;
void CheckAndWait (DownloadState check, DownloadState wait) const;
void CheckAndSet (DownloadState check, DownloadState set);
void State (DownloadState state);
void Attach (IDownloadObserver *observer);
void Detach (IDownloadObserver *observer);
private:
DownloadState state;
mutable CRITICAL_SECTION stateLock;
mutable CONDITION_VARIABLE stateChanged;
std::vector<IDownloadObserver *> observers;
void Notify ();
};
}
}
#endif /* DOWNLOADSTATEMANAGER_H_ */
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