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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_FRAME_URLMON_UPLOAD_DATA_STREAM_H_
#define CHROME_FRAME_URLMON_UPLOAD_DATA_STREAM_H_
#include <urlmon.h>
#include <atlbase.h>
#include <atlcom.h>
#include "base/memory/ref_counted.h"
#include "chrome_frame/stream_impl.h"
#include "net/base/upload_data.h"
#include "net/base/upload_data_stream.h"
// Provides an IStream interface to the very different UploadDataStream
// implementation.
class UrlmonUploadDataStream : public CComObjectRootEx<CComMultiThreadModel>,
public StreamImpl {
public:
UrlmonUploadDataStream() {}
BEGIN_COM_MAP(UrlmonUploadDataStream)
COM_INTERFACE_ENTRY(ISequentialStream)
COM_INTERFACE_ENTRY(IStream)
END_COM_MAP()
void Initialize(net::UploadData* upload_data);
// Partial implementation of IStream.
STDMETHOD(Read)(void* pv, ULONG cb, ULONG* read);
STDMETHOD(Seek)(LARGE_INTEGER move, DWORD origin, ULARGE_INTEGER* new_pos);
STDMETHOD(Stat)(STATSTG *pstatstg, DWORD grfStatFlag);
private:
scoped_refptr<net::UploadData> upload_data_;
scoped_ptr<net::UploadDataStream> request_body_stream_;
};
#endif // CHROME_FRAME_URLMON_UPLOAD_DATA_STREAM_H_
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