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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 #include "content/renderer/media/renderer_webmidiaccessor_impl.h"
      6 
      7 #include "base/logging.h"
      8 #include "content/renderer/media/midi_message_filter.h"
      9 #include "content/renderer/render_thread_impl.h"
     10 
     11 namespace content {
     12 
     13 RendererWebMIDIAccessorImpl::RendererWebMIDIAccessorImpl(
     14     blink::WebMIDIAccessorClient* client)
     15     : client_(client) {
     16   DCHECK(client_);
     17 }
     18 
     19 RendererWebMIDIAccessorImpl::~RendererWebMIDIAccessorImpl() {
     20   midi_message_filter()->RemoveClient(client_);
     21 }
     22 
     23 void RendererWebMIDIAccessorImpl::startSession() {
     24   midi_message_filter()->StartSession(client_);
     25 }
     26 
     27 void RendererWebMIDIAccessorImpl::sendMIDIData(
     28     unsigned port_index,
     29     const unsigned char* data,
     30     size_t length,
     31     double timestamp) {
     32   midi_message_filter()->SendMidiData(
     33       port_index,
     34       data,
     35       length,
     36       timestamp);
     37 }
     38 
     39 MidiMessageFilter* RendererWebMIDIAccessorImpl::midi_message_filter() {
     40   return RenderThreadImpl::current()->midi_message_filter();
     41 }
     42 
     43 }  // namespace content
     44