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-rw-r--r--dom/media/eme/MediaKeySession.h142
1 files changed, 142 insertions, 0 deletions
diff --git a/dom/media/eme/MediaKeySession.h b/dom/media/eme/MediaKeySession.h
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+++ b/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 "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
+DDLoggedTypeName(dom::MediaKeySession);
+
+namespace dom {
+
+class ArrayBufferViewOrArrayBuffer;
+class MediaKeyError;
+class MediaKeyStatusMap;
+
+nsCString ToCString(MediaKeySessionType aType);
+
+nsString ToString(MediaKeySessionType aType);
+
+class MediaKeySession final : public DOMEventTargetHelper,
+ public DecoderDoctorLifeLogger<MediaKeySession> {
+ public:
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaKeySession,
+ DOMEventTargetHelper)
+ public:
+ 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.
+ // 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