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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/service_worker/extendable_message_event.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_union_client_messageport_serviceworker.h"
#include "third_party/blink/renderer/core/messaging/message_port.h"
#include "third_party/blink/renderer/modules/service_worker/service_worker.h"
#include "third_party/blink/renderer/modules/service_worker/service_worker_client.h"
namespace blink {
ExtendableMessageEvent* ExtendableMessageEvent::Create(
const AtomicString& type,
const ExtendableMessageEventInit* initializer) {
return MakeGarbageCollected<ExtendableMessageEvent>(type, initializer);
}
ExtendableMessageEvent* ExtendableMessageEvent::Create(
scoped_refptr<SerializedScriptValue> data,
const String& origin,
GCedMessagePortArray* ports,
ServiceWorkerClient* source,
WaitUntilObserver* observer) {
ExtendableMessageEvent* event = MakeGarbageCollected<ExtendableMessageEvent>(
std::move(data), origin, ports, observer);
event->source_as_client_ = source;
return event;
}
ExtendableMessageEvent* ExtendableMessageEvent::Create(
scoped_refptr<SerializedScriptValue> data,
const String& origin,
GCedMessagePortArray* ports,
ServiceWorker* source,
WaitUntilObserver* observer) {
ExtendableMessageEvent* event = MakeGarbageCollected<ExtendableMessageEvent>(
std::move(data), origin, ports, observer);
event->source_as_service_worker_ = source;
return event;
}
ExtendableMessageEvent* ExtendableMessageEvent::CreateError(
const String& origin,
GCedMessagePortArray* ports,
ServiceWorkerClient* source,
WaitUntilObserver* observer) {
ExtendableMessageEvent* event =
MakeGarbageCollected<ExtendableMessageEvent>(origin, ports, observer);
event->source_as_client_ = source;
return event;
}
ExtendableMessageEvent* ExtendableMessageEvent::CreateError(
const String& origin,
GCedMessagePortArray* ports,
ServiceWorker* source,
WaitUntilObserver* observer) {
ExtendableMessageEvent* event =
MakeGarbageCollected<ExtendableMessageEvent>(origin, ports, observer);
event->source_as_service_worker_ = source;
return event;
}
ScriptValue ExtendableMessageEvent::data(ScriptState* script_state) const {
v8::Local<v8::Value> value;
if (!data_.IsEmpty()) {
value = data_.GetAcrossWorld(script_state);
} else if (serialized_data_) {
SerializedScriptValue::DeserializeOptions options;
MessagePortArray message_ports = ports();
options.message_ports = &message_ports;
value = serialized_data_->Deserialize(script_state->GetIsolate(), options);
} else {
value = v8::Null(script_state->GetIsolate());
}
return ScriptValue(script_state->GetIsolate(), value);
}
V8UnionClientOrMessagePortOrServiceWorker* ExtendableMessageEvent::source()
const {
if (source_as_client_) {
return MakeGarbageCollected<V8UnionClientOrMessagePortOrServiceWorker>(
source_as_client_);
} else if (source_as_service_worker_) {
return MakeGarbageCollected<V8UnionClientOrMessagePortOrServiceWorker>(
source_as_service_worker_);
} else if (source_as_message_port_) {
return MakeGarbageCollected<V8UnionClientOrMessagePortOrServiceWorker>(
source_as_message_port_);
}
return nullptr;
}
MessagePortArray ExtendableMessageEvent::ports() 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 (ports_) {
return MessagePortArray(*ports_.Get());
}
return MessagePortArray();
}
const AtomicString& ExtendableMessageEvent::InterfaceName() const {
return event_interface_names::kExtendableMessageEvent;
}
void ExtendableMessageEvent::Trace(Visitor* visitor) const {
visitor->Trace(data_);
visitor->Trace(source_as_client_);
visitor->Trace(source_as_service_worker_);
visitor->Trace(source_as_message_port_);
visitor->Trace(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->hasData()) {
const ScriptValue& data = initializer->data();
data_.Set(data.GetIsolate(), data.V8Value());
}
if (initializer->hasOrigin())
origin_ = initializer->origin();
if (initializer->hasLastEventId())
last_event_id_ = initializer->lastEventId();
if (initializer->hasSource() and initializer->source()) {
switch (initializer->source()->GetContentType()) {
case V8UnionClientOrMessagePortOrServiceWorker::ContentType::kClient:
source_as_client_ = initializer->source()->GetAsClient();
break;
case V8UnionClientOrMessagePortOrServiceWorker::ContentType::kMessagePort:
source_as_message_port_ = initializer->source()->GetAsMessagePort();
break;
case V8UnionClientOrMessagePortOrServiceWorker::ContentType::
kServiceWorker:
source_as_service_worker_ = initializer->source()->GetAsServiceWorker();
break;
}
}
if (initializer->hasPorts())
ports_ = MakeGarbageCollected<GCedMessagePortArray>(initializer->ports());
}
ExtendableMessageEvent::ExtendableMessageEvent(
scoped_refptr<SerializedScriptValue> data,
const String& origin,
GCedMessagePortArray* ports,
WaitUntilObserver* observer)
: ExtendableEvent(event_type_names::kMessage,
ExtendableMessageEventInit::Create(),
observer),
serialized_data_(std::move(data)),
origin_(origin),
last_event_id_(String()),
ports_(ports) {
if (serialized_data_)
serialized_data_->RegisterMemoryAllocatedWithCurrentScriptContext();
}
ExtendableMessageEvent::ExtendableMessageEvent(const String& origin,
GCedMessagePortArray* ports,
WaitUntilObserver* observer)
: ExtendableEvent(event_type_names::kMessageerror,
ExtendableMessageEventInit::Create(),
observer),
origin_(origin),
last_event_id_(String()),
ports_(ports) {}
} // namespace blink
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