зеркало из https://github.com/mozilla/gecko-dev.git
113 строки
2.3 KiB
C++
113 строки
2.3 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AlarmHalService.h"
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namespace mozilla {
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namespace dom {
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namespace alarm {
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using namespace hal;
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NS_IMPL_ISUPPORTS1(AlarmHalService, nsIAlarmHalService)
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void
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AlarmHalService::Init()
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{
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mAlarmEnabled = RegisterTheOneAlarmObserver(this);
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if (!mAlarmEnabled) {
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return;
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}
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RegisterSystemTimeChangeObserver(this);
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}
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/* virtual */ AlarmHalService::~AlarmHalService()
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{
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if (mAlarmEnabled) {
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UnregisterTheOneAlarmObserver();
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UnregisterSystemTimeChangeObserver(this);
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}
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}
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/* static */ StaticRefPtr<AlarmHalService> AlarmHalService::sSingleton;
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/* static */ already_AddRefed<nsIAlarmHalService>
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AlarmHalService::GetInstance()
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{
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if (!sSingleton) {
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sSingleton = new AlarmHalService();
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sSingleton->Init();
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ClearOnShutdown(&sSingleton);
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}
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nsCOMPtr<nsIAlarmHalService> service(do_QueryInterface(sSingleton));
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return service.forget();
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}
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NS_IMETHODIMP
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AlarmHalService::SetAlarm(int32_t aSeconds, int32_t aNanoseconds, bool* aStatus)
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{
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if (!mAlarmEnabled) {
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return NS_ERROR_FAILURE;
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}
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bool status = hal::SetAlarm(aSeconds, aNanoseconds);
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if (status) {
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*aStatus = status;
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return NS_OK;
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} else {
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return NS_ERROR_FAILURE;
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}
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}
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NS_IMETHODIMP
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AlarmHalService::SetAlarmFiredCb(nsIAlarmFiredCb* aAlarmFiredCb)
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{
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mAlarmFiredCb = aAlarmFiredCb;
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return NS_OK;
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}
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NS_IMETHODIMP
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AlarmHalService::SetTimezoneChangedCb(nsITimezoneChangedCb* aTimeZoneChangedCb)
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{
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mTimezoneChangedCb = aTimeZoneChangedCb;
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return NS_OK;
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}
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void
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AlarmHalService::Notify(const mozilla::void_t& aVoid)
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{
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if (!mAlarmFiredCb) {
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return;
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}
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mAlarmFiredCb->OnAlarmFired();
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}
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void
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AlarmHalService::Notify(const SystemTimeChange& aReason)
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{
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if (aReason != SYS_TIME_CHANGE_TZ || !mTimezoneChangedCb) {
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return;
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}
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mTimezoneChangedCb->OnTimezoneChanged(GetTimezoneOffset(false));
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}
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int32_t
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AlarmHalService::GetTimezoneOffset(bool aIgnoreDST)
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{
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PRExplodedTime prTime;
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PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &prTime);
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int32_t offset = prTime.tm_params.tp_gmt_offset;
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if (!aIgnoreDST) {
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offset += prTime.tm_params.tp_dst_offset;
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}
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return -(offset / 60);
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}
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} // alarm
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} // dom
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} // mozilla
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