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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/worklet/DOMWindowWorklet.h"
#include "core/frame/LocalDOMWindow.h"
#include "core/frame/LocalFrame.h"
#include "modules/worklet/Worklet.h"
namespace blink {
DOMWindowWorklet::DOMWindowWorklet(LocalDOMWindow& window)
: DOMWindowProperty(window.frame())
{
}
DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowWorklet);
const char* DOMWindowWorklet::supplementName()
{
return "DOMWindowWorklet";
}
// static
DOMWindowWorklet& DOMWindowWorklet::from(LocalDOMWindow& window)
{
DOMWindowWorklet* supplement = static_cast<DOMWindowWorklet*>(WillBeHeapSupplement<LocalDOMWindow>::from(window, supplementName()));
if (!supplement) {
supplement = new DOMWindowWorklet(window);
provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement));
}
return *supplement;
}
// static
Worklet* DOMWindowWorklet::renderWorklet(ExecutionContext* executionContext, DOMWindow& window)
{
return from(toLocalDOMWindow(window)).renderWorklet(executionContext);
}
Worklet* DOMWindowWorklet::renderWorklet(ExecutionContext* executionContext) const
{
if (!m_renderWorklet && frame())
m_renderWorklet = Worklet::create(frame(), executionContext);
return m_renderWorklet.get();
}
DEFINE_TRACE(DOMWindowWorklet)
{
visitor->trace(m_renderWorklet);
WillBeHeapSupplement<LocalDOMWindow>::trace(visitor);
DOMWindowProperty::trace(visitor);
}
} // namespace blink
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