зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
3.9 KiB
C++
134 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_MediaKeySession_h
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#define mozilla_dom_MediaKeySession_h
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#include "mozilla/Attributes.h"
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#include "mozilla/ErrorResult.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "nsCOMPtr.h"
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#include "mozilla/dom/TypedArray.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/dom/Date.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/DetailedPromise.h"
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#include "mozilla/dom/MediaKeySessionBinding.h"
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#include "mozilla/dom/MediaKeysBinding.h"
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#include "mozilla/dom/MediaKeyMessageEventBinding.h"
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struct JSContext;
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namespace mozilla {
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namespace dom {
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class ArrayBufferViewOrArrayBuffer;
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class MediaKeyError;
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class MediaKeyStatusMap;
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class MediaKeySession final : public DOMEventTargetHelper
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaKeySession,
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DOMEventTargetHelper)
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public:
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MediaKeySession(JSContext* aCx,
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nsPIDOMWindowInner* aParent,
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MediaKeys* aKeys,
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const nsAString& aKeySystem,
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const nsAString& aCDMVersion,
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SessionType aSessionType,
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ErrorResult& aRv);
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void SetSessionId(const nsAString& aSessionId);
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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// Mark this as resultNotAddRefed to return raw pointers
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MediaKeyError* GetError() const;
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MediaKeyStatusMap* KeyStatuses() const;
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void GetKeySystem(nsString& aRetval) const;
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void GetSessionId(nsString& aRetval) const;
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const nsString& GetSessionId() const;
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// Number of ms since epoch at which expiration occurs, or NaN if unknown.
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// TODO: The type of this attribute is still under contention.
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// https://www.w3.org/Bugs/Public/show_bug.cgi?id=25902
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double Expiration() const;
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Promise* Closed() const;
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already_AddRefed<Promise> GenerateRequest(const nsAString& aInitDataType,
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const ArrayBufferViewOrArrayBuffer& aInitData,
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ErrorResult& aRv);
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already_AddRefed<Promise> Load(const nsAString& aSessionId,
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ErrorResult& aRv);
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already_AddRefed<Promise> Update(const ArrayBufferViewOrArrayBuffer& response,
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ErrorResult& aRv);
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already_AddRefed<Promise> Close(ErrorResult& aRv);
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already_AddRefed<Promise> Remove(ErrorResult& aRv);
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void DispatchKeyMessage(MediaKeyMessageType aMessageType,
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const nsTArray<uint8_t>& aMessage);
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void DispatchKeyError(uint32_t system_code);
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void DispatchKeyStatusesChange();
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void OnClosed();
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bool IsClosed() const;
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void SetExpiration(double aExpiry);
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// Process-unique identifier.
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uint32_t Token() const;
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private:
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~MediaKeySession();
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void UpdateKeyStatusMap();
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bool IsCallable() const {
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// The EME spec sets the "callable value" to true whenever the CDM sets
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// the sessionId. When the session is initialized, sessionId is empty and
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// callable is thus false.
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return !mSessionId.IsEmpty();
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}
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already_AddRefed<DetailedPromise> MakePromise(ErrorResult& aRv,
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const nsACString& aName);
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RefPtr<DetailedPromise> mClosed;
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RefPtr<MediaKeyError> mMediaKeyError;
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RefPtr<MediaKeys> mKeys;
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const nsString mKeySystem;
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const nsString mCDMVersion;
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nsString mSessionId;
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const SessionType mSessionType;
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const uint32_t mToken;
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bool mIsClosed;
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bool mUninitialized;
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RefPtr<MediaKeyStatusMap> mKeyStatusMap;
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double mExpiration;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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