dom/alarm/AlarmHalService.h
author Boris Zbarsky <bzbarsky@mit.edu>
Wed, 08 Aug 2012 23:47:04 -0400
changeset 105034 e3e9040a6eb9f8e7d78fe91c98ac80d42bd06aa8
parent 103752 d5bc3b7322298e4695a309e68f5e75c3d2aace80
child 106112 a16372ce30b5f6b747246b01fcd215a4bf3b6342
permissions -rw-r--r--
Bug 703855. Don't update performance timing or navigation timing state during document.open. r=jst

/* 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/. */
 
#ifndef mozilla_dom_alarm_AlarmHalService_h
#define mozilla_dom_alarm_AlarmHalService_h

#include "base/basictypes.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/Hal.h"
#include "mozilla/Services.h"
#include "nsIAlarmHalService.h"
#include "nsIObserver.h"
#include "nsIObserverService.h"
#include "prtime.h"

namespace mozilla {
namespace dom {
namespace alarm {

class AlarmHalService : public nsIAlarmHalService, 
                        mozilla::hal::AlarmObserver
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIALARMHALSERVICE

  void Init();
  virtual ~AlarmHalService();

  static already_AddRefed<nsIAlarmHalService> GetInstance();

  // Implementing hal::AlarmObserver
  void Notify(const mozilla::void_t& aVoid);

private:
  bool mAlarmEnabled;
  nsCOMPtr<nsIAlarmFiredCb> mAlarmFiredCb;
  static StaticRefPtr<AlarmHalService> sSingleton;

  // TODO The mTimezoneChangedCb would be called 
  // when a timezone-changed event is detected 
  // at run-time. To do so, we can register a 
  // timezone-changed observer, see bug 714358.
  // We need to adjust the alarm time respect to
  // the correct timezone where user is located.
  nsCOMPtr<nsITimezoneChangedCb> mTimezoneChangedCb;

  PRInt32 GetTimezoneOffset(bool aIgnoreDST);
};

} // namespace alarm
} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_alarm_AlarmHalService_h