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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/netinfo/NavigatorNetworkInformation.h"
#include "core/frame/LocalDOMWindow.h"
#include "core/frame/LocalFrame.h"
#include "core/frame/Navigator.h"
#include "modules/netinfo/NetworkInformation.h"
namespace blink {
NavigatorNetworkInformation::NavigatorNetworkInformation(Navigator& navigator)
: DOMWindowProperty(navigator.frame())
{
}
DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(NavigatorNetworkInformation);
NavigatorNetworkInformation& NavigatorNetworkInformation::from(Navigator& navigator)
{
NavigatorNetworkInformation* supplement = toNavigatorNetworkInformation(navigator);
if (!supplement) {
supplement = new NavigatorNetworkInformation(navigator);
provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
}
return *supplement;
}
NavigatorNetworkInformation* NavigatorNetworkInformation::toNavigatorNetworkInformation(Navigator& navigator)
{
return static_cast<NavigatorNetworkInformation*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
}
const char* NavigatorNetworkInformation::supplementName()
{
return "NavigatorNetworkInformation";
}
NetworkInformation* NavigatorNetworkInformation::connection(Navigator& navigator)
{
return NavigatorNetworkInformation::from(navigator).connection();
}
NetworkInformation* NavigatorNetworkInformation::connection()
{
if (!m_connection && frame()) {
ASSERT(frame()->domWindow());
m_connection = NetworkInformation::create(frame()->domWindow()->executionContext());
}
return m_connection.get();
}
void NavigatorNetworkInformation::trace(Visitor* visitor)
{
visitor->trace(m_connection);
WillBeHeapSupplement<Navigator>::trace(visitor);
DOMWindowProperty::trace(visitor);
}
} // namespace blink
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