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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 */
#ifndef mozilla_dom_MediaKeySession_h
#define mozilla_dom_MediaKeySession_h
#include "DecoderDoctorLogger.h"
#include "mozilla/Attributes.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "nsCOMPtr.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/Mutex.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/DetailedPromise.h"
#include "mozilla/dom/MediaKeySessionBinding.h"
#include "mozilla/dom/MediaKeysBinding.h"
#include "mozilla/dom/MediaKeyMessageEventBinding.h"
struct JSContext;
namespace mozilla {
class ErrorResult;
namespace dom {
class MediaKeySession;
} // namespace dom
namespace dom {
class ArrayBufferViewOrArrayBuffer;
class MediaKeyError;
class MediaKeyStatusMap;
nsCString ToCString(MediaKeySessionType aType);
nsString ToString(MediaKeySessionType aType);
class MediaKeySession final : public DOMEventTargetHelper,
public DecoderDoctorLifeLogger<MediaKeySession> {
MediaKeySession(nsPIDOMWindowInner* aParent, MediaKeys* aKeys,
const nsAString& aKeySystem, MediaKeySessionType aSessionType,
ErrorResult& aRv);
void SetSessionId(const nsAString& aSessionId);
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// Mark this as resultNotAddRefed to return raw pointers
MediaKeyError* GetError() const;
MediaKeyStatusMap* KeyStatuses() const;
void GetSessionId(nsString& aRetval) const;
const nsString& GetSessionId() const;
// Number of ms since epoch at which expiration occurs, or NaN if unknown.
// TODO: The type of this attribute is still under contention.
double Expiration() const;
Promise* Closed() const;
already_AddRefed<Promise> GenerateRequest(
const nsAString& aInitDataType,
const ArrayBufferViewOrArrayBuffer& aInitData, ErrorResult& aRv);
already_AddRefed<Promise> Load(const nsAString& aSessionId, ErrorResult& aRv);
already_AddRefed<Promise> Update(const ArrayBufferViewOrArrayBuffer& response,
ErrorResult& aRv);
already_AddRefed<Promise> Close(ErrorResult& aRv);
already_AddRefed<Promise> Remove(ErrorResult& aRv);
void DispatchKeyMessage(MediaKeyMessageType aMessageType,
const nsTArray<uint8_t>& aMessage);
void DispatchKeyError(uint32_t system_code);
void DispatchKeyStatusesChange();
void OnClosed();
bool IsClosed() const;
void SetExpiration(double aExpiry);
mozilla::dom::EventHandlerNonNull* GetOnkeystatuseschange();
void SetOnkeystatuseschange(mozilla::dom::EventHandlerNonNull* aCallback);
mozilla::dom::EventHandlerNonNull* GetOnmessage();
void SetOnmessage(mozilla::dom::EventHandlerNonNull* aCallback);
// Process-unique identifier.
uint32_t Token() const;
void UpdateKeyStatusMap();
bool IsCallable() const {
// The EME spec sets the "callable value" to true whenever the CDM sets
// the sessionId. When the session is initialized, sessionId is empty and
// callable is thus false.
return !mSessionId.IsEmpty();
already_AddRefed<DetailedPromise> MakePromise(ErrorResult& aRv,
const nsACString& aName);
RefPtr<DetailedPromise> mClosed;
RefPtr<MediaKeyError> mMediaKeyError;
RefPtr<MediaKeys> mKeys;
const nsString mKeySystem;
nsString mSessionId;
const MediaKeySessionType mSessionType;
const uint32_t mToken;
bool mIsClosed;
bool mUninitialized;
RefPtr<MediaKeyStatusMap> mKeyStatusMap;
double mExpiration;
} // namespace dom
} // namespace mozilla