1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
6#define NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
7
8#include "base/compiler_specific.h"
9#include "net/proxy/proxy_resolver.h"
10#include "url/gurl.h"
11
12typedef void* HINTERNET;  // From winhttp.h
13
14namespace net {
15
16// An implementation of ProxyResolver that uses WinHTTP and the system
17// proxy settings.
18class NET_EXPORT_PRIVATE ProxyResolverWinHttp : public ProxyResolver {
19 public:
20  ProxyResolverWinHttp();
21  virtual ~ProxyResolverWinHttp();
22
23  // ProxyResolver implementation:
24  virtual int GetProxyForURL(const GURL& url,
25                             ProxyInfo* results,
26                             const net::CompletionCallback& /*callback*/,
27                             RequestHandle* /*request*/,
28                             const BoundNetLog& /*net_log*/) OVERRIDE;
29  virtual void CancelRequest(RequestHandle request) OVERRIDE;
30
31  virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE;
32
33  virtual void CancelSetPacScript() OVERRIDE;
34
35  virtual int SetPacScript(
36      const scoped_refptr<ProxyResolverScriptData>& script_data,
37      const net::CompletionCallback& /*callback*/) OVERRIDE;
38
39 private:
40  bool OpenWinHttpSession();
41  void CloseWinHttpSession();
42
43  // Proxy configuration is cached on the session handle.
44  HINTERNET session_handle_;
45
46  GURL pac_url_;
47
48  DISALLOW_COPY_AND_ASSIGN(ProxyResolverWinHttp);
49};
50
51}  // namespace net
52
53#endif  // NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
54