Deprecate ServiceWorkerMessageEvent in favor of MessageEvent

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerMessageEvent.cpp

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "modules/serviceworkers/ServiceWorkerMessageEvent.h"
-
-namespace blink {
-
-ServiceWorkerMessageEvent::ServiceWorkerMessageEvent(
-    const AtomicString& type,
-    const ServiceWorkerMessageEventInit& initializer)
-    : Event(type, initializer) {
-  if (initializer.hasOrigin())
-    m_origin = initializer.origin();
-  if (initializer.hasLastEventId())
-    m_lastEventId = initializer.lastEventId();
-  if (initializer.hasSource()) {
-    if (initializer.source().isServiceWorker())
-      m_sourceAsServiceWorker = initializer.source().getAsServiceWorker();
-    else if (initializer.source().isMessagePort())
-      m_sourceAsMessagePort = initializer.source().getAsMessagePort();
-  }
-  if (initializer.hasPorts())
-    m_ports = new MessagePortArray(initializer.ports());
-}
-
-ServiceWorkerMessageEvent::ServiceWorkerMessageEvent(
-    PassRefPtr<SerializedScriptValue> data,
-    const String& origin,
-    const String& lastEventId,
-    ServiceWorker* source,
-    MessagePortArray* ports)
-    : Event(EventTypeNames::message, false, false),
-      m_serializedData(data),
-      m_origin(origin),
-      m_lastEventId(lastEventId),
-      m_sourceAsServiceWorker(source),
-      m_ports(ports) {
-  if (m_serializedData)
-    m_serializedData->registerMemoryAllocatedWithCurrentScriptContext();
-}
-
-ServiceWorkerMessageEvent::~ServiceWorkerMessageEvent() {}
-
-MessagePortArray ServiceWorkerMessageEvent::ports(bool& isNull) const {
-  // TODO(bashi): Currently we return a copied array because the binding
-  // layer could modify the content of the array while executing JS callbacks.
-  // Avoid copying once we can make sure that the binding layer won't
-  // modify the content.
-  if (m_ports) {
-    isNull = false;
-    return *m_ports;
-  }
-  isNull = true;
-  return MessagePortArray();
-}
-
-MessagePortArray ServiceWorkerMessageEvent::ports() const {
-  bool unused;
-  return ports(unused);
-}
-
-void ServiceWorkerMessageEvent::source(
-    ServiceWorkerOrMessagePort& result) const {
-  if (m_sourceAsServiceWorker)
-    result =
-        ServiceWorkerOrMessagePort::fromServiceWorker(m_sourceAsServiceWorker);
-  else if (m_sourceAsMessagePort)
-    result = ServiceWorkerOrMessagePort::fromMessagePort(m_sourceAsMessagePort);
-}
-
-const AtomicString& ServiceWorkerMessageEvent::interfaceName() const {
-  return EventNames::ServiceWorkerMessageEvent;
-}
-
-DEFINE_TRACE(ServiceWorkerMessageEvent) {
-  visitor->trace(m_sourceAsServiceWorker);
-  visitor->trace(m_sourceAsMessagePort);
-  visitor->trace(m_ports);
-  Event::trace(visitor);
-}
-
-}  // namespace blink