/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

include "mozilla/dom/MediaIPCUtils.h";

include protocol PRemoteMediaManager;

using mozilla::CDMKeyInfo from "mozilla/CDMProxy.h";
using mozilla::MediaResult from "MediaResult.h";
using mozilla::dom::MediaKeyMessageType from "mozilla/dom/MediaKeyMessageEventBinding.h";
using mozilla::dom::MediaKeySessionType from "mozilla/dom/MediaKeysBinding.h";
using mozilla::dom::MediaKeyStatus from "mozilla/dom/MediaKeyStatusMapBinding.h";
[RefCounted] using class mozilla::ArrayOfRemoteMediaRawData from "mozilla/RemoteMediaData.h";
[RefCounted] using class mozilla::ArrayOfRemoteAudioData from "mozilla/RemoteMediaData.h";
[RefCounted] using class mozilla::ArrayOfRemoteVideoData from "mozilla/RemoteMediaData.h";

namespace mozilla {

// For EME spec 'message' event
// https://w3c.github.io/encrypted-media/#queue-message
struct RemoteCDMKeyMessageIPDL
{
  nsString sessionId;
  MediaKeyMessageType type;
  uint8_t[] message;
};

// For EME spec 'keystatuseschange' event
// https://w3c.github.io/encrypted-media/#dom-evt-keystatuseschange
struct RemoteCDMKeyStatusIPDL
{
  nsString sessionId;
  CDMKeyInfo[] keyInfo;
};

// For EME spec Update Expiration algorithm
// https://w3c.github.io/encrypted-media/#update-expiration
struct RemoteCDMKeyExpirationIPDL
{
  nsString sessionId;
  double expiredTimeMilliSecondsSinceEpoch;
};

struct RemoteCDMInitRequestIPDL
{
  bool allowDistinctiveIdentifier;
  bool allowPersistentState;
  nsCString originID;
};

struct RemoteCDMCreateSessionRequestIPDL
{
  MediaKeySessionType sessionType;
  nsString initDataType;
  uint8_t[] initData;
};

struct RemoteCDMLoadSessionRequestIPDL
{
  MediaKeySessionType sessionType;
  nsString sessionId;
};

struct RemoteCDMUpdateSessionRequestIPDL
{
  nsString sessionId;
  uint8_t[] response;
};

union RemoteCDMSessionResponseIPDL
{
  MediaResult;
  RemoteCDMKeyMessageIPDL;
};

struct RemoteCDMProvisionRequestIPDL
{
  nsString serverUrl;
  uint8_t[] request;
};

union RemoteCDMProvisionResponseIPDL
{
  MediaResult;
  uint8_t[];
};

// This protocol provides a way to use CDMProxy across processes.
async protocol PRemoteCDM
{
  manager PRemoteMediaManager;
parent:
  async Init(RemoteCDMInitRequestIPDL request) returns (MediaResult result);
  async CreateSession(RemoteCDMCreateSessionRequestIPDL request) returns (RemoteCDMSessionResponseIPDL result);
  async LoadSession(RemoteCDMLoadSessionRequestIPDL request) returns (MediaResult result);
  async UpdateSession(RemoteCDMUpdateSessionRequestIPDL request) returns (MediaResult result);
  async RemoveSession(nsString sessionId) returns (MediaResult result);
  async CloseSession(nsString sessionId) returns (MediaResult result);
  async SetServerCertificate(uint8_t[] certificate) returns (MediaResult result);

  async __delete__();

child:
  async Provision(RemoteCDMProvisionRequestIPDL request) returns (RemoteCDMProvisionResponseIPDL response);
  async OnSessionKeyStatus(RemoteCDMKeyStatusIPDL msg);
  async OnSessionKeyExpiration(RemoteCDMKeyExpirationIPDL msg);
  async OnSessionKeyMessage(RemoteCDMKeyMessageIPDL msg);
};

} // namespace mozilla