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