Add support for redirecting ResourceHandlers to a blob: URL

content/browser/streams/stream_url_request_job.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_
+#define CONTENT_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_
+
+#include "net/url_request/url_request_job.h"
+#include "content/browser/streams/stream_read_observer.h"
+#include "content/common/content_export.h"
+
+namespace content {
+class Stream;
+
+// A request job that handles reading stream URLs.
+class CONTENT_EXPORT StreamURLRequestJob
+    : public net::URLRequestJob,
+      public StreamReadObserver {
+ public:
+  StreamURLRequestJob(net::URLRequest* request,
+                      net::NetworkDelegate* network_delegate,
+                      scoped_refptr<Stream> stream);
+
+  // StreamObserver methods.
+  virtual void OnDataAvailable(Stream* stream) OVERRIDE;
+  virtual void OnStreamConsumed(Stream* stream) OVERRIDE;
+
+  // net::URLRequestJob methods.
+  virtual void Start() OVERRIDE;
+  virtual void Kill() OVERRIDE;
+  virtual bool ReadRawData(net::IOBuffer* buf,
+                           int buf_size,
+                           int* bytes_read) OVERRIDE;
+  virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
+  virtual void GetResponseInfo(net::HttpResponseInfo* info) OVERRIDE;
+  virtual int GetResponseCode() const OVERRIDE;
+  virtual void SetExtraRequestHeaders(
+      const net::HttpRequestHeaders& headers) OVERRIDE;
+
+ protected:
+  virtual ~StreamURLRequestJob();
+
+ private:
+  void DidStart();
+  void NotifyFailure(int);
+  void HeadersCompleted(int status_code, const std::string& status_txt);
+
+  base::WeakPtrFactory<StreamURLRequestJob> weak_factory_;
+  scoped_refptr<content::Stream> stream_;
+  bool headers_set_;
+  scoped_refptr<net::IOBuffer> pending_buffer_;
+  int pending_buffer_size_;
+  scoped_ptr<net::HttpResponseInfo> response_info_;
+
+  DISALLOW_COPY_AND_ASSIGN(StreamURLRequestJob);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_