content/browser/streams/stream_write_observer.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_WRITE_OBSERVER_H_
   6 #define CONTENT_BROWSER_STREAMS_STREAM_WRITE_OBSERVER_H_
   7
   8 namespace content {
   9
  10 class Stream;
  11
  12 class StreamWriteObserver {
  13  public:
  14   // Sent when space becomes available in the stream, and the source should
  15   // resume writing.
  16   virtual void OnSpaceAvailable(Stream* stream) = 0;
  17
  18   // Sent when the stream is closed, and the writer should stop sending data.
  19   virtual void OnClose(Stream* stream) = 0;
  20
  21  protected:
  22   virtual ~StreamWriteObserver() {}
  23 };
  24
  25 }  // namespace content
  26
  27 #endif  // CONTENT_BROWSER_STREAMS_STREAM_WRITE_OBSERVER_H_