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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <algorithm>
#include "mozilla/dom/IdleDeadline.h"
#include "mozilla/dom/IdleDeadlineBinding.h"
#include "mozilla/dom/Performance.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsDOMNavigationTiming.h"
#include "nsPIDOMWindow.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(IdleDeadline, mWindow)
NS_IMPL_CYCLE_COLLECTING_ADDREF(IdleDeadline)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IdleDeadline)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IdleDeadline)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
IdleDeadline::IdleDeadline(nsPIDOMWindowInner* aWindow, bool aDidTimeout,
DOMHighResTimeStamp aDeadline)
: mWindow(aWindow)
, mDidTimeout(aDidTimeout)
, mDeadline(aDeadline)
{
}
IdleDeadline::~IdleDeadline()
{
}
JSObject*
IdleDeadline::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return IdleDeadlineBinding::Wrap(aCx, this, aGivenProto);
}
DOMHighResTimeStamp
IdleDeadline::TimeRemaining()
{
if (mDidTimeout) {
return 0.0;
}
RefPtr<Performance> performance = mWindow->GetPerformance();
if (!performance) {
// If there is no performance object the window is partially torn
// down, so we can safely say that there is no time remaining.
return 0.0;
}
return std::max(mDeadline - performance->Now(), 0.0);
}
bool
IdleDeadline::DidTimeout() const
{
return mDidTimeout;
}
} // namespace dom
} // namespace mozilla
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