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      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_RENDERER_MEDIA_RENDERER_WEBMIDIACCESSOR_IMPL_H_
      6 #define CONTENT_RENDERER_MEDIA_RENDERER_WEBMIDIACCESSOR_IMPL_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "third_party/WebKit/public/platform/WebMIDIAccessor.h"
     11 #include "third_party/WebKit/public/platform/WebMIDIAccessorClient.h"
     12 
     13 namespace content {
     14 
     15 class MIDIMessageFilter;
     16 
     17 class RendererWebMIDIAccessorImpl
     18     : public blink::WebMIDIAccessor {
     19  public:
     20   explicit RendererWebMIDIAccessorImpl(
     21       blink::WebMIDIAccessorClient* client);
     22   virtual ~RendererWebMIDIAccessorImpl();
     23 
     24   // blink::WebMIDIAccessor implementation.
     25   virtual void startSession();
     26   virtual void sendMIDIData(unsigned port_index,
     27                             const unsigned char* data,
     28                             size_t length,
     29                             double timestamp);
     30 
     31  private:
     32   blink::WebMIDIAccessorClient* client_;
     33 
     34   MIDIMessageFilter* midi_message_filter();
     35 
     36   DISALLOW_COPY_AND_ASSIGN(RendererWebMIDIAccessorImpl);
     37 };
     38 
     39 }  // namespace content
     40 
     41 #endif  // CONTENT_RENDERER_MEDIA_RENDERER_WEBMIDIACCESSOR_IMPL_H_
     42