michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "AlarmHalService.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: namespace alarm {
michael@0: 
michael@0: using namespace hal;
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(AlarmHalService, nsIAlarmHalService)
michael@0: 
michael@0: void
michael@0: AlarmHalService::Init()
michael@0: {
michael@0:   mAlarmEnabled = RegisterTheOneAlarmObserver(this);
michael@0:   if (!mAlarmEnabled) {
michael@0:     return;
michael@0:   }
michael@0:   RegisterSystemTimezoneChangeObserver(this);
michael@0: }
michael@0: 
michael@0: /* virtual */ AlarmHalService::~AlarmHalService() 
michael@0: {
michael@0:   if (mAlarmEnabled) {
michael@0:     UnregisterTheOneAlarmObserver();
michael@0:     UnregisterSystemTimezoneChangeObserver(this);
michael@0:   }
michael@0: }
michael@0: 
michael@0: /* static */ StaticRefPtr<AlarmHalService> AlarmHalService::sSingleton;
michael@0: 
michael@0: /* static */ already_AddRefed<AlarmHalService>
michael@0: AlarmHalService::GetInstance()
michael@0: {
michael@0:   if (!sSingleton) {
michael@0:     sSingleton = new AlarmHalService();
michael@0:     sSingleton->Init(); 
michael@0:     ClearOnShutdown(&sSingleton);
michael@0:   }
michael@0: 
michael@0:   nsRefPtr<AlarmHalService> service = sSingleton.get();
michael@0:   return service.forget();
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: AlarmHalService::SetAlarm(int32_t aSeconds, int32_t aNanoseconds, bool* aStatus)
michael@0: {
michael@0:   if (!mAlarmEnabled) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   bool status = hal::SetAlarm(aSeconds, aNanoseconds);
michael@0:   if (status) {
michael@0:     *aStatus = status;
michael@0:     return NS_OK;
michael@0:   } else {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: AlarmHalService::SetAlarmFiredCb(nsIAlarmFiredCb* aAlarmFiredCb)
michael@0: {
michael@0:   mAlarmFiredCb = aAlarmFiredCb;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: AlarmHalService::SetTimezoneChangedCb(nsITimezoneChangedCb* aTimeZoneChangedCb)
michael@0: {
michael@0:   mTimezoneChangedCb = aTimeZoneChangedCb;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: void
michael@0: AlarmHalService::Notify(const void_t& aVoid)
michael@0: {
michael@0:   if (!mAlarmFiredCb) {
michael@0:     return;
michael@0:   }
michael@0:   mAlarmFiredCb->OnAlarmFired();
michael@0: }
michael@0: 
michael@0: void
michael@0: AlarmHalService::Notify(
michael@0:   const SystemTimezoneChangeInformation& aSystemTimezoneChangeInfo)
michael@0: {
michael@0:   if (!mTimezoneChangedCb) {
michael@0:     return;
michael@0:   }
michael@0:   mTimezoneChangedCb->OnTimezoneChanged(
michael@0:     aSystemTimezoneChangeInfo.newTimezoneOffsetMinutes());
michael@0: }
michael@0: 
michael@0: } // alarm
michael@0: } // dom
michael@0: } // mozilla