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
13namespace content {
14
15class Stream;
16
17// A request job that handles reading stream URLs.
18class 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_
67