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/**
* @class dash::network::IDownloadObserver
* @brief This interface is needed for informing the application of the state of the download process.
* @details Informs the application about the download rate and the state of the download.
*
* @author bitmovin Softwareentwicklung OG \n
* Email: libdash-dev@vicky.bitmovin.net
* @version 2.1
* @date 2013
* @copyright bitmovin Softwareentwicklung OG, All Rights Reserved \n\n
* This source code and its use and distribution, is subject to the terms
* and conditions of the applicable license agreement.
*/
#ifndef IDOWNLOADOBSERVER_H_
#define IDOWNLOADOBSERVER_H_
#include "config.h"
namespace dash
{
namespace network
{
enum DownloadState
{
NOT_STARTED = 0,
IN_PROGRESS = 1,
REQUEST_ABORT = 2,
ABORTED = 3,
COMPLETED = 4
};
class IDownloadObserver
{
public:
virtual ~IDownloadObserver(){}
/**
* Informs the dash::network::IDownloadObserver object that the download rate has changed.
* @param bytesDownloaded the number of downloaded bytes
*/
virtual void OnDownloadRateChanged (uint64_t bytesDownloaded) = 0;
/**
* Informs the dash::network::IDownloadObserver object that the downloading time has changed.
* @param downloadingTime the time taken for the downloading of this segment in seconds
*/
virtual void OnDownloadTimeChanged (double downloadingTime) = 0;
/**
* Informs the dash::network::IDownloadObserver object that the download state has changed.
* @param state the download state
*/
virtual void OnDownloadStateChanged (DownloadState state) = 0;
};
}
}
#endif /* IDOWNLOADOBSERVER_H_ */
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