The Tor Browser: widget/windows/nsIdleServiceWin.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* vim:expandtab:shiftwidth=4:tabstop=4:

     3  */

     4 /* This Source Code Form is subject to the terms of the Mozilla Public

     5  * License, v. 2.0. If a copy of the MPL was not distributed with this

     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     8 #ifndef nsIdleServiceWin_h__

     9 #define nsIdleServiceWin_h__

    11 #include "nsIdleService.h"

    14 /* NOTE: Compare of GetTickCount() could overflow.  This corrects for

    15 * overflow situations.

    16 ***/

    17 #ifndef SAFE_COMPARE_EVEN_WITH_WRAPPING

    18 #define SAFE_COMPARE_EVEN_WITH_WRAPPING(A, B) (((int)((long)A - (long)B) & 0xFFFFFFFF))

    19 #endif

    22 class nsIdleServiceWin : public nsIdleService

    23 {

    24 public:

    25     NS_DECL_ISUPPORTS_INHERITED

    27     bool PollIdleTime(uint32_t* aIdleTime);

    29     static already_AddRefed<nsIdleServiceWin> GetInstance()

    30     {

    31         nsRefPtr<nsIdleServiceWin> idleService =

    32             nsIdleService::GetInstance().downcast<nsIdleServiceWin>();

    33         if (!idleService) {

    34             idleService = new nsIdleServiceWin();

    35         }

    37         return idleService.forget();

    38     }

    40 protected:

    41     nsIdleServiceWin() { }

    42     virtual ~nsIdleServiceWin() { }

    43     bool UsePollMode();

    44 };

    46 #endif // nsIdleServiceWin_h__

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