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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_time_change_observer_h_
#define _mozilla_time_change_observer_h_
#include "mozilla/Hal.h"
#include "mozilla/Observer.h"
#include "mozilla/HalTypes.h"
#include "nsPIDOMWindow.h"
#include "nsWeakPtr.h"
#include "nsTObserverArray.h"
typedef mozilla::Observer<int64_t> SystemClockChangeObserver;
typedef mozilla::Observer<mozilla::hal::SystemTimezoneChangeInformation> SystemTimezoneChangeObserver;
class nsSystemTimeChangeObserver : public SystemClockChangeObserver,
public SystemTimezoneChangeObserver
{
typedef nsTObserverArray<nsWeakPtr> ListenerArray;
public:
static nsSystemTimeChangeObserver* GetInstance();
virtual ~nsSystemTimeChangeObserver();
// Implementing hal::SystemClockChangeObserver::Notify()
void Notify(const int64_t& aClockDeltaMS);
// Implementing hal::SystemTimezoneChangeObserver::Notify()
void Notify(
const mozilla::hal::SystemTimezoneChangeInformation& aSystemTimezoneChangeInfo);
static nsresult AddWindowListener(nsPIDOMWindow* aWindow);
static nsresult RemoveWindowListener(nsPIDOMWindow* aWindow);
private:
nsresult AddWindowListenerImpl(nsPIDOMWindow* aWindow);
nsresult RemoveWindowListenerImpl(nsPIDOMWindow* aWindow);
nsSystemTimeChangeObserver() { };
ListenerArray mWindowListeners;
void FireMozTimeChangeEvent();
};
#endif //_mozilla_time_change_observer_h_
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