109 lines
4.1 KiB
C++
109 lines
4.1 KiB
C++
/*
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* Copyright (C) 2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(WEB_RTC)
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#include "ActiveDOMObject.h"
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#include "EventTarget.h"
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#include "JSDOMPromiseDeferred.h"
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#include "RTCRtpSFrameTransformer.h"
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#include <wtf/WeakPtr.h>
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namespace JSC {
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class JSGlobalObject;
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};
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namespace WebCore {
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class CryptoKey;
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class RTCRtpTransformBackend;
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class ReadableStream;
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class SimpleReadableStreamSource;
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class WritableStream;
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class RTCRtpSFrameTransform : public RefCounted<RTCRtpSFrameTransform>, public ActiveDOMObject, public EventTargetWithInlineData {
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WTF_MAKE_ISO_ALLOCATED(RTCRtpSFrameTransform);
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public:
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enum class Role { Encrypt, Decrypt };
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using CompatibilityMode = RTCRtpSFrameTransformer::CompatibilityMode;
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struct Options {
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Role role { Role::Encrypt };
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uint64_t authenticationSize { 10 };
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CompatibilityMode compatibilityMode { CompatibilityMode::None };
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};
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static Ref<RTCRtpSFrameTransform> create(ScriptExecutionContext& context, Options options) { return adoptRef(*new RTCRtpSFrameTransform(context, options)); }
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~RTCRtpSFrameTransform();
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void setEncryptionKey(CryptoKey&, std::optional<uint64_t>, DOMPromiseDeferred<void>&&);
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bool isAttached() const;
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void initializeBackendForReceiver(RTCRtpTransformBackend&);
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void initializeBackendForSender(RTCRtpTransformBackend&);
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void willClearBackend(RTCRtpTransformBackend&);
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WEBCORE_EXPORT void setCounterForTesting(uint64_t);
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WEBCORE_EXPORT uint64_t counterForTesting() const;
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WEBCORE_EXPORT uint64_t keyIdForTesting() const;
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ExceptionOr<RefPtr<ReadableStream>> readable();
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ExceptionOr<RefPtr<WritableStream>> writable();
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bool hasKey(uint64_t) const;
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using RefCounted<RTCRtpSFrameTransform>::ref;
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using RefCounted<RTCRtpSFrameTransform>::deref;
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private:
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RTCRtpSFrameTransform(ScriptExecutionContext&, Options);
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// ActiveDOMObject
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const char* activeDOMObjectName() const final { return "RTCRtpSFrameTransform"; }
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bool virtualHasPendingActivity() const final;
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// EventTargetWithInlineData
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EventTargetInterface eventTargetInterface() const final { return RTCRtpSFrameTransformEventTargetInterfaceType; }
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ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); }
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void refEventTarget() final { ref(); }
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void derefEventTarget() final { deref(); }
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enum class Side { Sender, Receiver };
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void initializeTransformer(RTCRtpTransformBackend&, Side);
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void createStreams(JSC::JSGlobalObject&);
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bool m_isAttached { false };
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bool m_hasWritable { false };
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Ref<RTCRtpSFrameTransformer> m_transformer;
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RefPtr<ReadableStream> m_readable;
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RefPtr<WritableStream> m_writable;
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RefPtr<SimpleReadableStreamSource> m_readableStreamSource;
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};
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} // namespace WebCore
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#endif // ENABLE(WEB_RTC)
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