Simplify VideoReader and VideoWriter

remoting/protocol/client_video_dispatcher.h

+// Copyright 2014 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 REMOTING_PROTOCOL_CLIENT_VIDEO_DISPATCHER_H_
+#define REMOTING_PROTOCOL_CLIENT_VIDEO_DISPATCHER_H_
+
+#include "base/compiler_specific.h"
+#include "remoting/proto/video.pb.h"
+#include "remoting/protocol/channel_dispatcher_base.h"
+#include "remoting/protocol/message_reader.h"
+
+namespace remoting {
+namespace protocol {
+
+class VideoStub;
+
+class ClientVideoDispatcher : public ChannelDispatcherBase {
+ public:
+  ClientVideoDispatcher();
+  virtual ~ClientVideoDispatcher();
+
+  void set_video_stub(VideoStub* video_stub) { video_stub_ = video_stub; }
+
+ protected:
+  // ChannelDispatcherBase overrides.
+  virtual void OnInitialized() OVERRIDE;
+
+ private:
+  void OnVideoPacket(scoped_ptr<VideoPacket> packet,
+                     const base::Closure& done_task);
+
+  ProtobufMessageReader<VideoPacket> reader_;
+
+  // The stub to which VideoPackets are passed for processing.
+  VideoStub* video_stub_;
+
+  DISALLOW_COPY_AND_ASSIGN(ClientVideoDispatcher);
+};
+
+}  // namespace protocol
+}  // namespace remoting
+
+#endif  // REMOTING_PROTOCOL_CLIENT_VIDEO_DISPATCHER_H_