diff options
Diffstat (limited to 'dom/media/webrtc/jsapi/RTCTransformEventRunnable.cpp')
-rw-r--r-- | dom/media/webrtc/jsapi/RTCTransformEventRunnable.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/dom/media/webrtc/jsapi/RTCTransformEventRunnable.cpp b/dom/media/webrtc/jsapi/RTCTransformEventRunnable.cpp new file mode 100644 index 0000000000..6f41baf80f --- /dev/null +++ b/dom/media/webrtc/jsapi/RTCTransformEventRunnable.cpp @@ -0,0 +1,80 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=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 https://mozilla.org/MPL/2.0/. */ + +#include "RTCTransformEventRunnable.h" + +#include "nsIGlobalObject.h" +#include "ErrorList.h" +#include "nsError.h" +#include "nsDebug.h" +#include "nsLiteralString.h" +#include "mozilla/RefPtr.h" +#include "mozilla/AlreadyAddRefed.h" +// This needs to come before RTCTransformEvent.h, since webidl codegen doesn't +// include-what-you-use or forward declare. +#include "mozilla/dom/RTCRtpScriptTransformer.h" +#include "mozilla/dom/RTCTransformEvent.h" +#include "mozilla/dom/RTCTransformEventBinding.h" +#include "mozilla/dom/EventWithOptionsRunnable.h" +#include "mozilla/dom/Event.h" +#include "mozilla/dom/EventTarget.h" +#include "mozilla/dom/RootedDictionary.h" +#include "js/RootingAPI.h" +#include "js/Value.h" +#include "libwebrtcglue/FrameTransformerProxy.h" + +namespace mozilla::dom { + +RTCTransformEventRunnable::RTCTransformEventRunnable( + Worker& aWorker, FrameTransformerProxy* aProxy) + : EventWithOptionsRunnable(aWorker, "RTCTransformEventRunnable"), + mProxy(aProxy) {} + +RTCTransformEventRunnable::~RTCTransformEventRunnable() = default; + +already_AddRefed<Event> RTCTransformEventRunnable::BuildEvent( + JSContext* aCx, nsIGlobalObject* aGlobal, EventTarget* aTarget, + JS::Handle<JS::Value> aTransformerOptions) { + // Let transformerOptions be the result of + // StructuredDeserialize(serializedOptions, the current Realm). + + // NOTE: We do not do this streams stuff. Spec will likely change here. + // The gist here is that we hook [[readable]] and [[writable]] up to the frame + // source/sink, which in out case is FrameTransformerProxy. + // Let readable be the result of StructuredDeserialize(serializedReadable, the + // current Realm). Let writable be the result of + // StructuredDeserialize(serializedWritable, the current Realm). + + // Let transformer be a new RTCRtpScriptTransformer. + + // Set transformer.[[options]] to transformerOptions. + + // Set transformer.[[readable]] to readable. + + // Set transformer.[[writable]] to writable. + RefPtr<RTCRtpScriptTransformer> transformer = + new RTCRtpScriptTransformer(aGlobal); + nsresult nrv = + transformer->Init(aCx, aTransformerOptions, mWorkerPrivate, mProxy); + if (NS_WARN_IF(NS_FAILED(nrv))) { + // TODO: Error handling. Currently unspecified. + return nullptr; + } + + // Fire an event named rtctransform using RTCTransformEvent with transformer + // set to transformer on worker’s global scope. + RootedDictionary<RTCTransformEventInit> init(aCx); + init.mBubbles = false; + init.mCancelable = false; + init.mTransformer = transformer; + + RefPtr<RTCTransformEvent> event = + RTCTransformEvent::Constructor(aTarget, u"rtctransform"_ns, init); + event->SetTrusted(true); + return event.forget(); +} + +} // namespace mozilla::dom |