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33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
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/* -*- 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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typedef mozilla::Observer<mozilla::hal::SystemTimeChange> SystemTimeChangeObserver;
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class nsSystemTimeChangeObserver : public SystemTimeChangeObserver
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{
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public:
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static nsSystemTimeChangeObserver* GetInstance();
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virtual ~nsSystemTimeChangeObserver();
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void Notify(const mozilla::hal::SystemTimeChange& aReason);
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static nsresult AddWindowListener(nsIDOMWindow* aWindow);
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static nsresult RemoveWindowListener(nsIDOMWindow* aWindow);
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private:
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nsresult AddWindowListenerImpl(nsIDOMWindow* aWindow);
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nsresult RemoveWindowListenerImpl(nsIDOMWindow* aWindow);
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nsSystemTimeChangeObserver() { };
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nsTArray<nsWeakPtr> mWindowListeners;
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};
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#endif //_mozilla_time_change_observer_h_
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