content/common/media/midi_messages.h

   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 // IPC messages for access to MIDI hardware.
   6 // Multiply-included message file, hence no include guard.
   7
   8 #include "base/basictypes.h"
   9 #include "content/common/content_export.h"
  10 #include "ipc/ipc_message_macros.h"
  11 #include "media/midi/midi_port_info.h"
  12 #include "url/gurl.h"
  13
  14 #undef IPC_MESSAGE_EXPORT
  15 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  16 #define IPC_MESSAGE_START MIDIMsgStart
  17
  18 IPC_STRUCT_TRAITS_BEGIN(media::MIDIPortInfo)
  19   IPC_STRUCT_TRAITS_MEMBER(id)
  20   IPC_STRUCT_TRAITS_MEMBER(manufacturer)
  21   IPC_STRUCT_TRAITS_MEMBER(name)
  22   IPC_STRUCT_TRAITS_MEMBER(version)
  23 IPC_STRUCT_TRAITS_END()
  24
  25 // Messages for IPC between MIDIDispatcher and MIDIDispatcherHost.
  26
  27 // Renderer request to browser for using system exclusive messages.
  28 IPC_MESSAGE_CONTROL3(MIDIHostMsg_RequestSysExPermission,
  29                      int /* routing id */,
  30                      int /* client id */,
  31                      GURL /* origin */)
  32
  33 // Renderer request to browser for canceling a previous permission request.
  34 IPC_MESSAGE_CONTROL3(MIDIHostMsg_CancelSysExPermissionRequest,
  35                      int /* render_view_id */,
  36                      int /* bridge_id */,
  37                      GURL /* GURL of the frame */)
  38
  39 // Messages sent from the browser to the renderer.
  40
  41 IPC_MESSAGE_ROUTED2(MIDIMsg_SysExPermissionApproved,
  42                     int /* client id */,
  43                     bool /* success */)
  44
  45 // Messages for IPC between MIDIMessageFilter and MIDIHost.
  46
  47 // Renderer request to browser for access to MIDI services.
  48 IPC_MESSAGE_CONTROL1(MIDIHostMsg_StartSession,
  49                      int /* client id */)
  50
  51 IPC_MESSAGE_CONTROL3(MIDIHostMsg_SendData,
  52                      uint32 /* port */,
  53                      std::vector<uint8> /* data */,
  54                      double /* timestamp */)
  55
  56 // Messages sent from the browser to the renderer.
  57
  58 IPC_MESSAGE_CONTROL4(MIDIMsg_SessionStarted,
  59                      int /* client id */,
  60                      bool /* success */,
  61                      media::MIDIPortInfoList /* input ports */,
  62                      media::MIDIPortInfoList /* output ports */)
  63
  64 IPC_MESSAGE_CONTROL3(MIDIMsg_DataReceived,
  65                      uint32 /* port */,
  66                      std::vector<uint8> /* data */,
  67                      double /* timestamp */)
  68
  69 IPC_MESSAGE_CONTROL1(MIDIMsg_AcknowledgeSentData,
  70                      uint32 /* bytes sent */)