// 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.

// IPC messages for content decryption module (CDM) implementation.
// Multiply-included message file, hence no include guard.

#include <string>
#include <vector>

#include "base/basictypes.h"
#include "content/common/content_export.h"
#include "content/common/media/cdm_messages_enums.h"
#include "ipc/ipc_message_macros.h"
#include "media/base/media_keys.h"
#include "url/gurl.h"

#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
#define IPC_MESSAGE_START CdmMsgStart

IPC_ENUM_TRAITS(media::MediaKeys::KeyError)
IPC_ENUM_TRAITS_MAX_VALUE(CdmHostMsg_CreateSession_ContentType,
                          CREATE_SESSION_TYPE_LAST)

// Messages from render to browser.

IPC_MESSAGE_CONTROL4(CdmHostMsg_InitializeCdm,
                     int /* render_frame_id */,
                     int /* cdm_id */,
                     std::string /* key_system */,
                     GURL /* security_origin */)

IPC_MESSAGE_CONTROL5(CdmHostMsg_CreateSession,
                     int /* render_frame_id */,
                     int /* cdm_id */,
                     uint32_t /* session_id */,
                     CdmHostMsg_CreateSession_ContentType /* content_type */,
                     std::vector<uint8> /* init_data */)

IPC_MESSAGE_CONTROL4(CdmHostMsg_UpdateSession,
                     int /* render_frame_id */,
                     int /* cdm_id */,
                     uint32_t /* session_id */,
                     std::vector<uint8> /* response */)

IPC_MESSAGE_CONTROL3(CdmHostMsg_ReleaseSession,
                     int /* render_frame_id */,
                     int /* cdm_id */,
                     uint32_t /* session_id */)

IPC_MESSAGE_CONTROL2(CdmHostMsg_DestroyCdm,
                     int /* render_frame_id */,
                     int /* cdm_id */)

// Messages from browser to render.

IPC_MESSAGE_ROUTED3(CdmMsg_SessionCreated,
                    int /* cdm_id */,
                    uint32_t /* session_id */,
                    std::string /* web_session_id */)

IPC_MESSAGE_ROUTED4(CdmMsg_SessionMessage,
                    int /* cdm_id */,
                    uint32_t /* session_id */,
                    std::vector<uint8> /* message */,
                    GURL /* destination_url */)

IPC_MESSAGE_ROUTED2(CdmMsg_SessionReady,
                    int /* cdm_id */,
                    uint32_t /* session_id */)

IPC_MESSAGE_ROUTED2(CdmMsg_SessionClosed,
                    int /* cdm_id */,
                    uint32_t /* session_id */)

IPC_MESSAGE_ROUTED4(CdmMsg_SessionError,
                    int /* cdm_id */,
                    uint32_t /* session_id */,
                    media::MediaKeys::KeyError /* error_code */,
                    uint32_t /* system_code */)