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e5e885ae31
# ignore-this-changeset --HG-- extra : amend_source : 7221c8d15a765df71171099468e7c7faa648f37c extra : histedit_source : a0cce6015636202bff09e35a13f72e03257a7695
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIdleServiceWin_h__
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#define nsIdleServiceWin_h__
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#include "nsIdleService.h"
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/* NOTE: Compare of GetTickCount() could overflow. This corrects for
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* overflow situations.
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***/
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#ifndef SAFE_COMPARE_EVEN_WITH_WRAPPING
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# define SAFE_COMPARE_EVEN_WITH_WRAPPING(A, B) \
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(((int)((long)A - (long)B) & 0xFFFFFFFF))
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#endif
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class nsIdleServiceWin : public nsIdleService {
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public:
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NS_INLINE_DECL_REFCOUNTING_INHERITED(nsIdleServiceWin, nsIdleService)
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bool PollIdleTime(uint32_t* aIdleTime) override;
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static already_AddRefed<nsIdleServiceWin> GetInstance() {
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RefPtr<nsIdleServiceWin> idleService =
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nsIdleService::GetInstance().downcast<nsIdleServiceWin>();
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if (!idleService) {
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idleService = new nsIdleServiceWin();
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}
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return idleService.forget();
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}
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protected:
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nsIdleServiceWin() {}
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virtual ~nsIdleServiceWin() {}
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bool UsePollMode() override;
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};
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#endif // nsIdleServiceWin_h__
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