chromeos/network/dhcp_proxy_script_fetcher_chromeos.h

   1 // Copyright (c) 2013 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 CHROMEOS_NETWORK_DHCP_PROXY_SCRIPT_FETCHER_CHROMEOS_H_
   6 #define CHROMEOS_NETWORK_DHCP_PROXY_SCRIPT_FETCHER_CHROMEOS_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "chromeos/chromeos_export.h"
  11 #include "net/proxy/dhcp_proxy_script_fetcher.h"
  12 #include "url/gurl.h"
  13
  14 namespace base {
  15 class SingleThreadTaskRunner;
  16 }
  17
  18 namespace net {
  19 class URLRequestContext;
  20 class ProxyScriptFetcher;
  21 }
  22
  23 namespace chromeos {
  24
  25 // ChromeOS specific implementation of DhcpProxyScriptFetcher.
  26 // This looks up Service.WebProxyAutoDiscoveryUrl for the default network
  27 // from Shill and uses that to fetch the proxy script if available.
  28 class CHROMEOS_EXPORT DhcpProxyScriptFetcherChromeos
  29     : public net::DhcpProxyScriptFetcher {
  30  public:
  31   explicit DhcpProxyScriptFetcherChromeos(
  32       net::URLRequestContext* url_request_context);
  33   ~DhcpProxyScriptFetcherChromeos() override;
  34
  35   // net::DhcpProxyScriptFetcher
  36   int Fetch(base::string16* utf16_text,
  37             const net::CompletionCallback& callback) override;
  38   void Cancel() override;
  39   const GURL& GetPacURL() const override;
  40   std::string GetFetcherName() const override;
  41
  42  private:
  43   void ContinueFetch(base::string16* utf16_text,
  44                      net::CompletionCallback callback,
  45                      std::string pac_url);
  46
  47   net::URLRequestContext* url_request_context_;  // Weak ptr
  48   scoped_ptr<net::ProxyScriptFetcher> proxy_script_fetcher_;
  49   scoped_refptr<base::SingleThreadTaskRunner> network_handler_task_runner_;
  50
  51   GURL pac_url_;
  52
  53   base::WeakPtrFactory<DhcpProxyScriptFetcherChromeos> weak_ptr_factory_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(DhcpProxyScriptFetcherChromeos);
  56 };
  57
  58 }  // namespace chromeos
  59
  60 #endif  // CHROMEOS_NETWORK_DHCP_PROXY_SCRIPT_FETCHER_CHROMEOS_H_