From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/events/MessageEvent.cpp | 162 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 dom/events/MessageEvent.cpp (limited to 'dom/events/MessageEvent.cpp') diff --git a/dom/events/MessageEvent.cpp b/dom/events/MessageEvent.cpp new file mode 100644 index 0000000000..92e59a6348 --- /dev/null +++ b/dom/events/MessageEvent.cpp @@ -0,0 +1,162 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=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 http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/dom/MessageEvent.h" +#include "mozilla/dom/BrowsingContext.h" +#include "mozilla/dom/MessageEventBinding.h" +#include "mozilla/dom/MessagePort.h" +#include "mozilla/dom/MessagePortBinding.h" +#include "mozilla/dom/ServiceWorker.h" + +#include "mozilla/HoldDropJSObjects.h" +#include "jsapi.h" + +namespace mozilla::dom { + +NS_IMPL_CYCLE_COLLECTION_CLASS(MessageEvent) + +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(MessageEvent, Event) + tmp->mData.setUndefined(); + NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindowSource) + NS_IMPL_CYCLE_COLLECTION_UNLINK(mPortSource) + NS_IMPL_CYCLE_COLLECTION_UNLINK(mServiceWorkerSource) + NS_IMPL_CYCLE_COLLECTION_UNLINK(mPorts) +NS_IMPL_CYCLE_COLLECTION_UNLINK_END + +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MessageEvent, Event) + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindowSource) + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPortSource) + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mServiceWorkerSource) + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPorts) +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END + +NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(MessageEvent, Event) + NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mData) +NS_IMPL_CYCLE_COLLECTION_TRACE_END + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MessageEvent) +NS_INTERFACE_MAP_END_INHERITING(Event) + +NS_IMPL_ADDREF_INHERITED(MessageEvent, Event) +NS_IMPL_RELEASE_INHERITED(MessageEvent, Event) + +MessageEvent::MessageEvent(EventTarget* aOwner, nsPresContext* aPresContext, + WidgetEvent* aEvent) + : Event(aOwner, aPresContext, aEvent), mData(JS::UndefinedValue()) {} + +MessageEvent::~MessageEvent() { DropJSObjects(this); } + +JSObject* MessageEvent::WrapObjectInternal(JSContext* aCx, + JS::Handle aGivenProto) { + return mozilla::dom::MessageEvent_Binding::Wrap(aCx, this, aGivenProto); +} + +void MessageEvent::GetData(JSContext* aCx, JS::MutableHandle aData, + ErrorResult& aRv) { + aData.set(mData); + if (!JS_WrapValue(aCx, aData)) { + aRv.Throw(NS_ERROR_FAILURE); + } +} + +void MessageEvent::GetOrigin(nsAString& aOrigin) const { aOrigin = mOrigin; } + +void MessageEvent::GetLastEventId(nsAString& aLastEventId) const { + aLastEventId = mLastEventId; +} + +void MessageEvent::GetSource( + Nullable& aValue) const { + if (mWindowSource) { + aValue.SetValue().SetAsWindowProxy() = mWindowSource; + } else if (mPortSource) { + aValue.SetValue().SetAsMessagePort() = mPortSource; + } else if (mServiceWorkerSource) { + aValue.SetValue().SetAsServiceWorker() = mServiceWorkerSource; + } +} + +/* static */ +already_AddRefed MessageEvent::Constructor( + const GlobalObject& aGlobal, const nsAString& aType, + const MessageEventInit& aParam) { + nsCOMPtr t = do_QueryInterface(aGlobal.GetAsSupports()); + return Constructor(t, aType, aParam); +} + +/* static */ +already_AddRefed MessageEvent::Constructor( + EventTarget* aEventTarget, const nsAString& aType, + const MessageEventInit& aParam) { + RefPtr event = new MessageEvent(aEventTarget, nullptr, nullptr); + + event->InitEvent(aType, aParam.mBubbles, aParam.mCancelable); + bool trusted = event->Init(aEventTarget); + event->SetTrusted(trusted); + + event->mData = aParam.mData; + + mozilla::HoldJSObjects(event.get()); + + event->mOrigin = aParam.mOrigin; + event->mLastEventId = aParam.mLastEventId; + + if (!aParam.mSource.IsNull()) { + if (aParam.mSource.Value().IsWindowProxy()) { + event->mWindowSource = aParam.mSource.Value().GetAsWindowProxy().get(); + } else if (aParam.mSource.Value().IsMessagePort()) { + event->mPortSource = aParam.mSource.Value().GetAsMessagePort(); + } else { + event->mServiceWorkerSource = aParam.mSource.Value().GetAsServiceWorker(); + } + + MOZ_ASSERT(event->mWindowSource || event->mPortSource || + event->mServiceWorkerSource); + } + + event->mPorts.AppendElements(aParam.mPorts); + + return event.forget(); +} + +void MessageEvent::InitMessageEvent( + JSContext* aCx, const nsAString& aType, mozilla::CanBubble aCanBubble, + mozilla::Cancelable aCancelable, JS::Handle aData, + const nsAString& aOrigin, const nsAString& aLastEventId, + const Nullable& aSource, + const Sequence>& aPorts) { + NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched); + + Event::InitEvent(aType, aCanBubble, aCancelable); + mData = aData; + mozilla::HoldJSObjects(this); + mOrigin = aOrigin; + mLastEventId = aLastEventId; + + mWindowSource = nullptr; + mPortSource = nullptr; + mServiceWorkerSource = nullptr; + + if (!aSource.IsNull()) { + if (aSource.Value().IsWindowProxy()) { + mWindowSource = aSource.Value().GetAsWindowProxy().get(); + } else if (aSource.Value().IsMessagePort()) { + mPortSource = &aSource.Value().GetAsMessagePort(); + } else { + mServiceWorkerSource = &aSource.Value().GetAsServiceWorker(); + } + } + + mPorts.Clear(); + mPorts.AppendElements(aPorts); + MessageEvent_Binding::ClearCachedPortsValue(this); +} + +void MessageEvent::GetPorts(nsTArray>& aPorts) { + aPorts = mPorts.Clone(); +} + +} // namespace mozilla::dom -- cgit v1.2.3