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