gecko-dev/dom/media/eme/MediaKeySession.h

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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 http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_MediaKeySession_h
#define mozilla_dom_MediaKeySession_h
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "nsCOMPtr.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/Mutex.h"
#include "mozilla/dom/Date.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/MediaKeySessionBinding.h"
#include "mozilla/dom/MediaKeysBinding.h"
#include "mozilla/dom/MediaKeyMessageEventBinding.h"
struct JSContext;
namespace mozilla {
class CDMProxy;
namespace dom {
class ArrayBufferViewOrArrayBuffer;
class MediaKeyError;
class MediaKeyStatusMap;
class MediaKeySession final : public DOMEventTargetHelper
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaKeySession,
DOMEventTargetHelper)
public:
MediaKeySession(JSContext* aCx,
nsPIDOMWindow* aParent,
MediaKeys* aKeys,
const nsAString& aKeySystem,
SessionType aSessionType,
ErrorResult& aRv);
void SetSessionId(const nsAString& aSessionId);
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// Mark this as resultNotAddRefed to return raw pointers
MediaKeyError* GetError() const;
MediaKeyStatusMap* KeyStatuses() const;
void GetKeySystem(nsString& aRetval) 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.
// https://www.w3.org/Bugs/Public/show_bug.cgi?id=25902
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;
// Process-unique identifier.
uint32_t Token() const;
private:
~MediaKeySession();
void UpdateKeyStatusMap();
nsRefPtr<Promise> mClosed;
nsRefPtr<MediaKeyError> mMediaKeyError;
nsRefPtr<MediaKeys> mKeys;
const nsString mKeySystem;
nsString mSessionId;
const SessionType mSessionType;
const uint32_t mToken;
bool mIsClosed;
bool mUninitialized;
nsRefPtr<MediaKeyStatusMap> mKeyStatusMap;
};
} // namespace dom
} // namespace mozilla
#endif