// Copyright (c) 2006-2008 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 NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
#define NET_PROXY_PROXY_RESOLVER_WINHTTP_H_

#include "net/proxy/proxy_service.h"

typedef LPVOID HINTERNET;  // From winhttp.h

namespace net {

// An implementation of ProxyResolver that uses WinHTTP and the system
// proxy settings.
class ProxyResolverWinHttp : public ProxyResolver {
 public:
  ProxyResolverWinHttp();
  ~ProxyResolverWinHttp();

  // ProxyResolver implementation:
  virtual int GetProxyConfig(ProxyConfig* config);
  virtual int GetProxyForURL(const GURL& query_url,
                             const GURL& pac_url,
                             ProxyInfo* results);

 private:
   bool OpenWinHttpSession();
   void CloseWinHttpSession();

  // Proxy configuration is cached on the session handle.
  HINTERNET session_handle_;

  DISALLOW_COPY_AND_ASSIGN(ProxyResolverWinHttp);
};

}  // namespace net

#endif  // NET_PROXY_PROXY_RESOLVER_WINHTTP_H_