Web MIDI: make MidiManagerMac notify device connections

media/midi/midi_manager_usb.cc

 // 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.
 
 #include "media/midi/midi_manager_usb.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 88 matching lines @@
     std::vector<UsbMidiJack> input_jacks;
     for (size_t j = 0; j < jacks.size(); ++j) {
       if (jacks[j].direction() == UsbMidiJack::DIRECTION_OUT) {
         output_streams_.push_back(new UsbMidiOutputStream(jacks[j]));
         // TODO(yhirano): Set appropriate properties.
         // TODO(yhiran): Port ID should contain product ID / vendor ID.
         // Port ID must be unique in a MIDI manager. This (and the below) ID
         // setting is sufficiently unique although there is no user-friendly
         // meaning.
         MidiPortInfo port;
+        port.state = MIDI_PORT_OPENED;
         port.id = base::StringPrintf("port-%ld-%ld",
                                      static_cast<long>(i),
                                      static_cast<long>(j));
         AddOutputPort(port);
       } else {
         DCHECK_EQ(jacks[j].direction(), UsbMidiJack::DIRECTION_IN);
         input_jacks.push_back(jacks[j]);
         // TODO(yhirano): Set appropriate properties.
         MidiPortInfo port;
+        port.state = MIDI_PORT_OPENED;
         port.id = base::StringPrintf("port-%ld-%ld",
                                      static_cast<long>(i),
                                      static_cast<long>(j));
         AddInputPort(port);
       }
     }
     input_stream_.reset(new UsbMidiInputStream(input_jacks, this));
   }
   initialize_callback_.Run(MIDI_OK);
 }
 
 }  // namespace media