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#ifndef NULLSOFT_WINAMP_CACHE_DOWNLOADER_HEADER
#define NULLSOFT_WINAMP_CACHE_DOWNLOADER_HEADER
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif
#include <wtypes.h>
#include "../Components/wac_downloadManager/wac_downloadManager_api.h"
class CacheCallback;
class CacheRecord;
class CacheDownloader : public ifc_downloadManagerCallback
{
public:
typedef enum
{
stateReady = 0,
stateInitializing = 1,
stateConnecting = 2,
stateReceiving = 3,
stateCompleted = 4,
stateAborting = 5,
} States;
protected:
CacheDownloader(CacheRecord *record, BOOL fEnableCompression);
~CacheDownloader();
public:
static HRESULT CreateInstance(CacheRecord *record, LPCWSTR pszAddress, BOOL fEnableCompression, CacheDownloader **instance);
public:
/* Dispatchable */
size_t AddRef();
size_t Release();
int QueryInterface(GUID interface_guid, void **object);
HRESULT Abort();
UINT GetState();
HRESULT SetOwner(CacheRecord *record);
protected:
HRESULT Start(LPCWSTR pszAddress);
HRESULT DownloadCompleted(INT errorCode);
/* ifc_downloadManagerCallback */
void OnFinish(DownloadToken token);
void OnTick(DownloadToken token);
void OnError(DownloadToken token, int errorCode);
void OnCancel(DownloadToken token);
void OnConnect(DownloadToken token);
void OnInit(DownloadToken token);
protected:
RECVS_DISPATCH;
protected:
ULONG ref;
api_downloadManager *manager;
DownloadToken cookie;
CacheRecord *owner; // owner not ref counted
UINT state;
BOOL enableCompression;
CRITICAL_SECTION lock;
};
#endif //NULLSOFT_WINAMP_CACHE_DOWNLOADER_HEADER
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