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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 
12 typedef void* HINTERNET;  // From winhttp.h
13 
14 namespace net {
15 
16 // An implementation of ProxyResolver that uses WinHTTP and the system
17 // proxy settings.
18 class 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