content/browser/streams/stream_url_request_job.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 CONTENT_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_
   6 #define CONTENT_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_
   7
   8 #include "net/http/http_status_code.h"
   9 #include "net/url_request/url_request_job.h"
  10 #include "content/browser/streams/stream_read_observer.h"
  11 #include "content/common/content_export.h"
  12
  13 namespace content {
  14
  15 class Stream;
  16
  17 // A request job that handles reading stream URLs.
  18 class CONTENT_EXPORT StreamURLRequestJob
  19     : public net::URLRequestJob,
  20       public StreamReadObserver {
  21  public:
  22   StreamURLRequestJob(net::URLRequest* request,
  23                       net::NetworkDelegate* network_delegate,
  24                       scoped_refptr<Stream> stream);
  25
  26   // StreamObserver methods.
  27   virtual void OnDataAvailable(Stream* stream) OVERRIDE;
  28
  29   // net::URLRequestJob methods.
  30   virtual void Start() OVERRIDE;
  31   virtual void Kill() OVERRIDE;
  32   virtual bool ReadRawData(net::IOBuffer* buf,
  33                            int buf_size,
  34                            int* bytes_read) OVERRIDE;
  35   virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
  36   virtual void GetResponseInfo(net::HttpResponseInfo* info) OVERRIDE;
  37   virtual int GetResponseCode() const OVERRIDE;
  38   virtual void SetExtraRequestHeaders(
  39       const net::HttpRequestHeaders& headers) OVERRIDE;
  40
  41  protected:
  42   virtual ~StreamURLRequestJob();
  43
  44  private:
  45   void DidStart();
  46   void NotifyFailure(int);
  47   void HeadersCompleted(net::HttpStatusCode status_code);
  48   void ClearStream();
  49
  50   base::WeakPtrFactory<StreamURLRequestJob> weak_factory_;
  51   scoped_refptr<content::Stream> stream_;
  52   bool headers_set_;
  53   scoped_refptr<net::IOBuffer> pending_buffer_;
  54   int pending_buffer_size_;
  55   scoped_ptr<net::HttpResponseInfo> response_info_;
  56
  57   int total_bytes_read_;
  58   int max_range_;
  59   bool request_failed_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(StreamURLRequestJob);
  62 };
  63
  64 }  // namespace content
  65
  66 #endif  // CONTENT_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_