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Diffstat (limited to 'dom/media/eme/MediaKeySession.h')
-rw-r--r-- | dom/media/eme/MediaKeySession.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/dom/media/eme/MediaKeySession.h b/dom/media/eme/MediaKeySession.h new file mode 100644 index 000000000..40481df99 --- /dev/null +++ b/dom/media/eme/MediaKeySession.h @@ -0,0 +1,137 @@ +/* -*- 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/DetailedPromise.h" +#include "mozilla/dom/MediaKeySessionBinding.h" +#include "mozilla/dom/MediaKeysBinding.h" +#include "mozilla/dom/MediaKeyMessageEventBinding.h" + +struct JSContext; + +namespace mozilla { +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, + 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 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; + + 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; + +private: + ~MediaKeySession(); + + 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 + +#endif |