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// Copyright 2016 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/ExtendableMessageEvent.h"
namespace blink {
ExtendableMessageEvent* ExtendableMessageEvent::create(
const AtomicString& type,
const ExtendableMessageEventInit& initializer) {
return new ExtendableMessageEvent(type, initializer);
}
ExtendableMessageEvent* ExtendableMessageEvent::create(
const AtomicString& type,
const ExtendableMessageEventInit& initializer,
WaitUntilObserver* observer) {
return new ExtendableMessageEvent(type, initializer, observer);
}
ExtendableMessageEvent* ExtendableMessageEvent::create(
PassRefPtr<SerializedScriptValue> data,
const String& origin,
MessagePortArray* ports,
WaitUntilObserver* observer) {
return new ExtendableMessageEvent(std::move(data), origin, ports, observer);
}
ExtendableMessageEvent* ExtendableMessageEvent::create(
PassRefPtr<SerializedScriptValue> data,
const String& origin,
MessagePortArray* ports,
ServiceWorkerClient* source,
WaitUntilObserver* observer) {
ExtendableMessageEvent* event =
new ExtendableMessageEvent(std::move(data), origin, ports, observer);
event->m_sourceAsClient = source;
return event;
}
ExtendableMessageEvent* ExtendableMessageEvent::create(
PassRefPtr<SerializedScriptValue> data,
const String& origin,
MessagePortArray* ports,
ServiceWorker* source,
WaitUntilObserver* observer) {
ExtendableMessageEvent* event =
new ExtendableMessageEvent(std::move(data), origin, ports, observer);
event->m_sourceAsServiceWorker = source;
return event;
}
MessagePortArray ExtendableMessageEvent::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 ExtendableMessageEvent::ports() const {
bool unused;
return ports(unused);
}
void ExtendableMessageEvent::source(
ClientOrServiceWorkerOrMessagePort& result) const {
if (m_sourceAsClient)
result = ClientOrServiceWorkerOrMessagePort::fromClient(m_sourceAsClient);
else if (m_sourceAsServiceWorker)
result = ClientOrServiceWorkerOrMessagePort::fromServiceWorker(
m_sourceAsServiceWorker);
else if (m_sourceAsMessagePort)
result = ClientOrServiceWorkerOrMessagePort::fromMessagePort(
m_sourceAsMessagePort);
else
result = ClientOrServiceWorkerOrMessagePort();
}
const AtomicString& ExtendableMessageEvent::interfaceName() const {
return EventNames::ExtendableMessageEvent;
}
DEFINE_TRACE(ExtendableMessageEvent) {
visitor->trace(m_sourceAsClient);
visitor->trace(m_sourceAsServiceWorker);
visitor->trace(m_sourceAsMessagePort);
visitor->trace(m_ports);
ExtendableEvent::trace(visitor);
}
ExtendableMessageEvent::ExtendableMessageEvent(
const AtomicString& type,
const ExtendableMessageEventInit& initializer)
: ExtendableMessageEvent(type, initializer, nullptr) {}
ExtendableMessageEvent::ExtendableMessageEvent(
const AtomicString& type,
const ExtendableMessageEventInit& initializer,
WaitUntilObserver* observer)
: ExtendableEvent(type, initializer, observer) {
if (initializer.hasOrigin())
m_origin = initializer.origin();
if (initializer.hasLastEventId())
m_lastEventId = initializer.lastEventId();
if (initializer.hasSource()) {
if (initializer.source().isClient())
m_sourceAsClient = initializer.source().getAsClient();
else 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());
}
ExtendableMessageEvent::ExtendableMessageEvent(
PassRefPtr<SerializedScriptValue> data,
const String& origin,
MessagePortArray* ports,
WaitUntilObserver* observer)
: ExtendableEvent(EventTypeNames::message,
ExtendableMessageEventInit(),
observer),
m_serializedData(data),
m_origin(origin),
m_lastEventId(String()),
m_ports(ports) {
if (m_serializedData)
m_serializedData->registerMemoryAllocatedWithCurrentScriptContext();
}
} // namespace blink
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