/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set ts=2 sw=2 sts=2 et cindent: */ /* 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