1// Copyright 2014 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 content decryption module (CDM) implementation.
6// Multiply-included message file, hence no include guard.
7
8#include <string>
9#include <vector>
10
11#include "base/basictypes.h"
12#include "content/common/content_export.h"
13#include "content/common/media/cdm_messages_enums.h"
14#include "ipc/ipc_message_macros.h"
15#include "media/base/media_keys.h"
16#include "url/gurl.h"
17
18#undef IPC_MESSAGE_EXPORT
19#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
20#define IPC_MESSAGE_START CdmMsgStart
21
22IPC_ENUM_TRAITS(media::MediaKeys::KeyError)
23IPC_ENUM_TRAITS(CdmHostMsg_CreateSession_ContentType)
24
25// Messages from render to browser.
26
27IPC_MESSAGE_CONTROL4(CdmHostMsg_InitializeCdm,
28                     int /* render_frame_id */,
29                     int /* cdm_id */,
30                     std::string /* key_system */,
31                     GURL /* security_origin */)
32
33IPC_MESSAGE_CONTROL5(CdmHostMsg_CreateSession,
34                     int /* render_frame_id */,
35                     int /* cdm_id */,
36                     uint32_t /* session_id */,
37                     CdmHostMsg_CreateSession_ContentType /* content_type */,
38                     std::vector<uint8> /* init_data */)
39
40IPC_MESSAGE_CONTROL4(CdmHostMsg_UpdateSession,
41                     int /* render_frame_id */,
42                     int /* cdm_id */,
43                     uint32_t /* session_id */,
44                     std::vector<uint8> /* response */)
45
46IPC_MESSAGE_CONTROL3(CdmHostMsg_ReleaseSession,
47                     int /* render_frame_id */,
48                     int /* cdm_id */,
49                     uint32_t /* session_id */)
50
51IPC_MESSAGE_CONTROL2(CdmHostMsg_DestroyCdm,
52                     int /* render_frame_id */,
53                     int /* cdm_id */)
54
55// Messages from browser to render.
56
57IPC_MESSAGE_ROUTED3(CdmMsg_SessionCreated,
58                    int /* cdm_id */,
59                    uint32_t /* session_id */,
60                    std::string /* web_session_id */)
61
62IPC_MESSAGE_ROUTED4(CdmMsg_SessionMessage,
63                    int /* cdm_id */,
64                    uint32_t /* session_id */,
65                    std::vector<uint8> /* message */,
66                    GURL /* destination_url */)
67
68IPC_MESSAGE_ROUTED2(CdmMsg_SessionReady,
69                    int /* cdm_id */,
70                    uint32_t /* session_id */)
71
72IPC_MESSAGE_ROUTED2(CdmMsg_SessionClosed,
73                    int /* cdm_id */,
74                    uint32_t /* session_id */)
75
76IPC_MESSAGE_ROUTED4(CdmMsg_SessionError,
77                    int /* cdm_id */,
78                    uint32_t /* session_id */,
79                    media::MediaKeys::KeyError /* error_code */,
80                    uint32_t /* system_code */)
81