gecko-dev/dom/workers/Performance.cpp

43 строки
1.0 KiB
C++

/* 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 "Performance.h"
#include "mozilla/dom/PerformanceBinding.h"
#include "WorkerPrivate.h"
BEGIN_WORKERS_NAMESPACE
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(Performance, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(Performance, Release)
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(Performance)
Performance::Performance(WorkerPrivate* aWorkerPrivate)
: mWorkerPrivate(aWorkerPrivate)
{
mWorkerPrivate->AssertIsOnWorkerThread();
}
Performance::~Performance()
{
mWorkerPrivate->AssertIsOnWorkerThread();
}
JSObject*
Performance::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return PerformanceBinding_workers::Wrap(aCx, this, aGivenProto);
}
double
Performance::Now() const
{
TimeDuration duration =
TimeStamp::Now() - mWorkerPrivate->NowBaseTimeStamp();
return duration.ToMilliseconds();
}
END_WORKERS_NAMESPACE