/* -*- 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,
GetCurrentThreadWorkerPrivate(), 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
