content/renderer/media/renderer_webmidiaccessor_impl.cc

   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()->AddClient(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