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      1 // Copyright (c) 2012 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_URL_REQUEST_PROTOCOL_INTERCEPT_JOB_FACTORY_H_
      6 #define NET_URL_REQUEST_PROTOCOL_INTERCEPT_JOB_FACTORY_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "net/base/net_export.h"
     12 #include "net/url_request/url_request_job_factory.h"
     13 
     14 class GURL;
     15 
     16 namespace net {
     17 
     18 class URLRequest;
     19 class URLRequestJob;
     20 
     21 // This class acts as a wrapper for URLRequestJobFactory. |protocol_handler_| is
     22 // given the option of creating a URLRequestJob for each potential URLRequest.
     23 // If |protocol_handler_| does not create a job (i.e. MaybeCreateJob() returns
     24 // NULL) the URLRequest is forwarded to the |job_factory_| to be handled there.
     25 // Only the MaybeCreateJob() member of |protocol_handler_| is called; the
     26 // IsSafeRedirectTarget() member is not used.
     27 class NET_EXPORT ProtocolInterceptJobFactory : public URLRequestJobFactory {
     28  public:
     29   ProtocolInterceptJobFactory(scoped_ptr<URLRequestJobFactory> job_factory,
     30                               scoped_ptr<ProtocolHandler> protocol_handler);
     31   virtual ~ProtocolInterceptJobFactory();
     32 
     33   // URLRequestJobFactory implementation
     34   virtual URLRequestJob* MaybeCreateJobWithProtocolHandler(
     35       const std::string& scheme,
     36       URLRequest* request,
     37       NetworkDelegate* network_delegate) const OVERRIDE;
     38   virtual bool IsHandledProtocol(const std::string& scheme) const OVERRIDE;
     39   virtual bool IsHandledURL(const GURL& url) const OVERRIDE;
     40   virtual bool IsSafeRedirectTarget(const GURL& location) const OVERRIDE;
     41 
     42  private:
     43   scoped_ptr<URLRequestJobFactory> job_factory_;
     44   scoped_ptr<ProtocolHandler> protocol_handler_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(ProtocolInterceptJobFactory);
     47 };
     48 
     49 }  // namespace net
     50 
     51 #endif  // NET_URL_REQUEST_PROTOCOL_INTERCEPT_JOB_FACTORY_H_
     52