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// Copyright 2014 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 "config.h"
#include "modules/serviceworkers/NavigatorServiceWorker.h"
#include "core/dom/Document.h"
#include "core/frame/LocalDOMWindow.h"
#include "core/frame/LocalFrame.h"
#include "core/frame/Navigator.h"
#include "modules/serviceworkers/ServiceWorkerContainer.h"
namespace WebCore {
NavigatorServiceWorker::NavigatorServiceWorker(Navigator& navigator)
: DOMWindowProperty(navigator.frame())
{
}
NavigatorServiceWorker::~NavigatorServiceWorker()
{
}
NavigatorServiceWorker* NavigatorServiceWorker::from(Document& document)
{
if (!document.frame() || !document.frame()->domWindow())
return 0;
Navigator& navigator = document.frame()->domWindow()->navigator();
return &from(navigator);
}
NavigatorServiceWorker& NavigatorServiceWorker::from(Navigator& navigator)
{
NavigatorServiceWorker* supplement = toNavigatorServiceWorker(navigator);
if (!supplement) {
supplement = new NavigatorServiceWorker(navigator);
provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
// Initialize ServiceWorkerContainer too.
supplement->serviceWorker();
}
return *supplement;
}
NavigatorServiceWorker* NavigatorServiceWorker::toNavigatorServiceWorker(Navigator& navigator)
{
return static_cast<NavigatorServiceWorker*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
}
const char* NavigatorServiceWorker::supplementName()
{
return "NavigatorServiceWorker";
}
ServiceWorkerContainer* NavigatorServiceWorker::serviceWorker(Navigator& navigator)
{
return NavigatorServiceWorker::from(navigator).serviceWorker();
}
ServiceWorkerContainer* NavigatorServiceWorker::serviceWorker()
{
if (!m_serviceWorker && frame()) {
ASSERT(frame()->domWindow());
m_serviceWorker = ServiceWorkerContainer::create(frame()->domWindow()->executionContext());
}
return m_serviceWorker.get();
}
void NavigatorServiceWorker::willDetachGlobalObjectFromFrame()
{
if (m_serviceWorker) {
m_serviceWorker->detachClient();
m_serviceWorker = nullptr;
}
}
} // namespace WebCore
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