gecko-dev/dom/time/TimeService.cpp

39 lines
961 B
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 "base/basictypes.h"
#include "jsapi.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/Hal.h"
#include "TimeService.h"
namespace mozilla {
namespace dom {
namespace time {
NS_IMPL_ISUPPORTS1(TimeService, nsITimeService)
/* static */ StaticRefPtr<TimeService> TimeService::sSingleton;
/* static */ already_AddRefed<TimeService>
TimeService::GetInstance()
{
if (!sSingleton) {
sSingleton = new TimeService();
ClearOnShutdown(&sSingleton);
}
nsRefPtr<TimeService> service = sSingleton.get();
return service.forget();
}
NS_IMETHODIMP
TimeService::Set(int64_t aTimeInMS) {
hal::AdjustSystemClock(aTimeInMS - (JS_Now() / PR_USEC_PER_MSEC));
return NS_OK;
}
} // namespace time
} // namespace dom
} // namespace mozilla