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      1 // Copyright (c) 2010 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 #pragma once
      8 
      9 #include "googleurl/src/gurl.h"
     10 #include "net/proxy/proxy_resolver.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 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                              CompletionCallback* /*callback*/,
     27                              RequestHandle* /*request*/,
     28                              const BoundNetLog& /*net_log*/);
     29   virtual void CancelRequest(RequestHandle request);
     30 
     31   virtual void CancelSetPacScript();
     32 
     33   virtual int SetPacScript(
     34       const scoped_refptr<ProxyResolverScriptData>& script_data,
     35       CompletionCallback* /*callback*/);
     36 
     37  private:
     38   bool OpenWinHttpSession();
     39   void CloseWinHttpSession();
     40 
     41   // Proxy configuration is cached on the session handle.
     42   HINTERNET session_handle_;
     43 
     44   GURL pac_url_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(ProxyResolverWinHttp);
     47 };
     48 
     49 }  // namespace net
     50 
     51 #endif  // NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
     52