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_READ_OBSERVER_H_ 6 #define CONTENT_BROWSER_STREAMS_STREAM_READ_OBSERVER_H_ 7 8 #include "content/common/content_export.h" 9 10 namespace content { 11 12 class Stream; 13 14 class CONTENT_EXPORT StreamReadObserver { 15 public: 16 // Sent when there is data available to be read from the stream. 17 virtual void OnDataAvailable(Stream* stream) = 0; 18 19 protected: ~StreamReadObserver()20 virtual ~StreamReadObserver() {} 21 }; 22 23 } // namespace content 24 25 #endif // CONTENT_BROWSER_STREAMS_STREAM_READ_OBSERVER_H_ 26 27