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.
5 // IPC messages for access to MIDI hardware.
6 // Multiply-included message file, hence no include guard.
8 #include "base/basictypes.h"
9 #include "content/common/content_export.h"
10 #include "ipc/ipc_message_macros.h"
11 #include "ipc/param_traits_macros.h"
12 #include "media/midi/midi_port_info.h"
13 #include "media/midi/midi_result.h"
16 #undef IPC_MESSAGE_EXPORT
17 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
18 #define IPC_MESSAGE_START MidiMsgStart
20 IPC_STRUCT_TRAITS_BEGIN(media::MidiPortInfo)
21 IPC_STRUCT_TRAITS_MEMBER(id)
22 IPC_STRUCT_TRAITS_MEMBER(manufacturer)
23 IPC_STRUCT_TRAITS_MEMBER(name)
24 IPC_STRUCT_TRAITS_MEMBER(version)
25 IPC_STRUCT_TRAITS_END()
27 IPC_ENUM_TRAITS_MAX_VALUE(media::MidiResult, media::MIDI_RESULT_LAST)
29 // Messages for IPC between MidiDispatcher and MidiDispatcherHost.
31 // Renderer request to browser for using system exclusive messages.
32 IPC_MESSAGE_CONTROL4(MidiHostMsg_RequestSysExPermission,
36 bool /* user_gesture */)
38 // Renderer request to browser for canceling a previous permission request.
39 IPC_MESSAGE_CONTROL3(MidiHostMsg_CancelSysExPermissionRequest,
40 int /* render_view_id */,
42 GURL /* GURL of the frame */)
44 // Messages sent from the browser to the renderer.
46 IPC_MESSAGE_ROUTED2(MidiMsg_SysExPermissionApproved,
50 // Messages for IPC between MidiMessageFilter and MidiHost.
52 // Renderer request to browser for access to MIDI services.
53 IPC_MESSAGE_CONTROL1(MidiHostMsg_StartSession,
56 IPC_MESSAGE_CONTROL3(MidiHostMsg_SendData,
58 std::vector<uint8> /* data */,
59 double /* timestamp */)
61 // Messages sent from the browser to the renderer.
63 IPC_MESSAGE_CONTROL4(MidiMsg_SessionStarted,
65 media::MidiResult /* result */,
66 media::MidiPortInfoList /* input ports */,
67 media::MidiPortInfoList /* output ports */)
69 IPC_MESSAGE_CONTROL3(MidiMsg_DataReceived,
71 std::vector<uint8> /* data */,
72 double /* timestamp */)
74 IPC_MESSAGE_CONTROL1(MidiMsg_AcknowledgeSentData,
75 uint32 /* bytes sent */)