winamp/Src/omBrowser/storageDwnld.h

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2024-09-24 12:54:57 +00:00
#ifndef NULLSOFT_WINAMP_OMSTORAGE_DOWNLOADER_HEADER
#define NULLSOFT_WINAMP_OMSTORAGE_DOWNLOADER_HEADER
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif
#include "./ifc_omstorageasync.h"
#include "../Components/wac_downloadManager/wac_downloadManager_api.h"
#include <bfc/multipatch.h>
class ifc_omservicehost;
#define MPIID_OMSTORAGEASYNC 10
#define MPIID_DOWNLOADCALLBACK 20
class OmStorageDwnld : public MultiPatch<MPIID_OMSTORAGEASYNC, ifc_omstorageasync>,
public MultiPatch<MPIID_DOWNLOADCALLBACK, ifc_downloadManagerCallback>
{
public:
typedef enum
{
flagEnableCompression = 0x00000001,
flagUserAbort = 0x00010000,
flagCompletedSynchronously = 0x00020000,
} Flags;
protected:
OmStorageDwnld(api_downloadManager *downloadManager, BOOL enableCompression);
~OmStorageDwnld();
public:
static HRESULT CreateInstance(api_downloadManager *downloadManager, BOOL enableCompression, OmStorageDwnld **instance);
public:
/* Dispatchable */
size_t AddRef();
size_t Release();
int QueryInterface(GUID interface_guid, void **object);
/* ifc_omstorageasync */
HRESULT GetState(UINT *state);
HRESULT GetWaitHandle(HANDLE *handle);
HRESULT GetData(void **data);
/* 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);
HRESULT GetResultCode();
HRESULT GetBuffer(void **buffer, size_t *bufferSize);
HRESULT SetData(void *data);
HRESULT SetCallback(AsyncCallback callback);
HRESULT GetCallback(AsyncCallback *callback);
HRESULT RequestAbort(BOOL fDrop);
HRESULT SetServiceHost(ifc_omservicehost *host);
HRESULT GetServiceHost(ifc_omservicehost **host);
protected:
void DownloadCompleted(INT errorCode);
size_t ref;
AsyncCallback userCallback;
void *userData;
HANDLE completed;
UINT flags;
UINT opState;
INT resultCode;
CRITICAL_SECTION lock;
DownloadToken cookie;
api_downloadManager *manager;
ifc_omservicehost *serviceHost;
RECVS_MULTIPATCH;
};
#endif //NULLSOFT_WINAMP_OMSTORAGE_DOWNLOADER_HEADER