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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/events/MessageEvent.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/events/MessageEvent.cpp')
-rw-r--r--dom/events/MessageEvent.cpp181
1 files changed, 181 insertions, 0 deletions
diff --git a/dom/events/MessageEvent.cpp b/dom/events/MessageEvent.cpp
new file mode 100644
index 000000000..565cd0cd7
--- /dev/null
+++ b/dom/events/MessageEvent.cpp
@@ -0,0 +1,181 @@
+/* -*- 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/MessageEventBinding.h"
+#include "mozilla/dom/MessagePort.h"
+#include "mozilla/dom/MessagePortBinding.h"
+
+#include "mozilla/HoldDropJSObjects.h"
+#include "jsapi.h"
+#include "nsGlobalWindow.h" // So we can assign an nsGlobalWindow* to mWindowSource
+
+namespace mozilla {
+namespace 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(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(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_INHERITED(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()
+{
+ mData.setUndefined();
+ DropJSObjects(this);
+}
+
+JSObject*
+MessageEvent::WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return mozilla::dom::MessageEventBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void
+MessageEvent::GetData(JSContext* aCx, JS::MutableHandle<JS::Value> 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<OwningWindowProxyOrMessagePort>& aValue) const
+{
+ if (mWindowSource) {
+ aValue.SetValue().SetAsWindowProxy() = mWindowSource->GetOuterWindow();
+ } else if (mPortSource) {
+ aValue.SetValue().SetAsMessagePort() = mPortSource;
+ }
+}
+
+/* static */ already_AddRefed<MessageEvent>
+MessageEvent::Constructor(const GlobalObject& aGlobal,
+ const nsAString& aType,
+ const MessageEventInit& aParam,
+ ErrorResult& aRv)
+{
+ nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
+ return Constructor(t, aType, aParam, aRv);
+}
+
+/* static */ already_AddRefed<MessageEvent>
+MessageEvent::Constructor(EventTarget* aEventTarget,
+ const nsAString& aType,
+ const MessageEventInit& aParam,
+ ErrorResult& aRv)
+{
+ RefPtr<MessageEvent> 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().IsWindow()) {
+ event->mWindowSource = aParam.mSource.Value().GetAsWindow()->AsInner();
+ } else {
+ event->mPortSource = aParam.mSource.Value().GetAsMessagePort();
+ }
+
+ MOZ_ASSERT(event->mWindowSource || event->mPortSource);
+ }
+
+ event->mPorts.AppendElements(aParam.mPorts);
+
+ return event.forget();
+}
+
+void
+MessageEvent::InitMessageEvent(JSContext* aCx, const nsAString& aType,
+ bool aCanBubble, bool aCancelable,
+ JS::Handle<JS::Value> aData,
+ const nsAString& aOrigin,
+ const nsAString& aLastEventId,
+ const Nullable<WindowProxyOrMessagePort>& aSource,
+ const Sequence<OwningNonNull<MessagePort>>& 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;
+
+ if (!aSource.IsNull()) {
+ if (aSource.Value().IsWindowProxy()) {
+ auto* windowProxy = aSource.Value().GetAsWindowProxy();
+ mWindowSource = windowProxy ? windowProxy->GetCurrentInnerWindow() : nullptr;
+ } else {
+ mPortSource = &aSource.Value().GetAsMessagePort();
+ }
+ }
+
+ mPorts.Clear();
+ mPorts.AppendElements(aPorts);
+ MessageEventBinding::ClearCachedPortsValue(this);
+}
+
+void
+MessageEvent::GetPorts(nsTArray<RefPtr<MessagePort>>& aPorts)
+{
+ aPorts = mPorts;
+}
+
+} // namespace dom
+} // namespace mozilla