Web MIDI: make MidiManagerMac notify device connections

media/midi/midi_manager_alsa.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_alsa.h"
 
 #include <alsa/asoundlib.h>
 #include <stdlib.h>
 #include <algorithm>
 #include <string>
@@ skipping 234 matching lines @@
           snd_seq_addr_t dest;
           dest.client = snd_seq_client_id(in_client_);
           dest.port = in_port_;
           snd_seq_port_subscribe_set_sender(subs, sender);
           snd_seq_port_subscribe_set_dest(subs, &dest);
           err = snd_seq_subscribe_port(in_client_, subs);
           if (err != 0) {
             VLOG(1) << "snd_seq_subscribe_port fails: " << snd_strerror(err);
           } else {
             source_map_[AddrToInt(sender)] = current_input++;
-            AddInputPort(MidiPortInfo(id, manufacturer, name, version));
+            const bool connected = trie;

[yhirano, 2014/10/24 03:30:08]

true

[Takashi Toyoshima, 2015/02/17 17:10:37]

Done.

+            AddInputPort(
+                MidiPortInfo(id, manufacturer, name, version, connected));
           }
         }
         if ((caps & kRequiredOutputPortCaps) == kRequiredOutputPortCaps) {
           // Create a port for us to send on.
           int out_port =
               snd_seq_create_simple_port(out_client_, NULL,
                                          SND_SEQ_PORT_CAP_READ |
                                          SND_SEQ_PORT_CAP_NO_EXPORT,
                                          SND_SEQ_PORT_TYPE_MIDI_GENERIC |
                                          SND_SEQ_PORT_TYPE_APPLICATION);
@@ skipping 13 matching lines @@
           snd_seq_port_subscribe_set_dest(subs, dest);
           err = snd_seq_subscribe_port(out_client_, subs);
           if (err != 0) {
             VLOG(1) << "snd_seq_subscribe_port fails: " << snd_strerror(err);
             snd_seq_delete_simple_port(out_client_, out_port);
           } else {
             snd_midi_event_t* encoder;
             snd_midi_event_new(kSendBufferSize, &encoder);
             encoders_.push_back(encoder);
             out_ports_.push_back(out_port);
-            AddOutputPort(MidiPortInfo(id, manufacturer, name, version));
+            const bool connected = true;
+            AddOutputPort(
+                MidiPortInfo(id, manufacturer, name, version, connected));
           }
         }
       }
     }
   }
 
   event_thread_.Start();
   event_thread_.message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&MidiManagerAlsa::EventReset, base::Unretained(this)));
@@ skipping 144 matching lines @@
   event_thread_.message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&MidiManagerAlsa::EventLoop, base::Unretained(this)));
 }
 
 MidiManager* MidiManager::Create() {
   return new MidiManagerAlsa();
 }
 
 }  // namespace media