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58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 sts=2 et cin: */
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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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#include "nsIdleServiceOS2.h"
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#include <algorithm>
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// prototype for funtion imported from DSSaver
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static int (*_System DSSaver_GetInactivityTime)(ULONG *, ULONG *);
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#define SSCORE_NOERROR 0 // as in the DSSaver header files
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NS_IMPL_ISUPPORTS_INHERITED0(nsIdleServiceOS2, nsIdleService)
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nsIdleServiceOS2::nsIdleServiceOS2()
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: mHMod(NULLHANDLE), mInitialized(false)
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{
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const char error[256] = "";
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if (DosLoadModule(error, 256, "SSCORE", &mHMod) == NO_ERROR) {
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if (DosQueryProcAddr(mHMod, 0, "SSCore_GetInactivityTime",
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(PFN*)&DSSaver_GetInactivityTime) == NO_ERROR) {
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mInitialized = true;
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}
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}
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}
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nsIdleServiceOS2::~nsIdleServiceOS2()
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{
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if (mHMod != NULLHANDLE) {
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DosFreeModule(mHMod);
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}
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}
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bool
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nsIdleServiceOS2::PollIdleTime(uint32_t *aIdleTime)
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{
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if (!mInitialized)
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return false;
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ULONG mouse, keyboard;
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if (DSSaver_GetInactivityTime(&mouse, &keyboard) != SSCORE_NOERROR) {
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return false;
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}
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// we are only interested in activity in general, so take the minimum
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// of both timers
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*aIdleTime = std::min(mouse, keyboard);
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return true;
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}
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bool
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nsIdleServiceOS2::UsePollMode()
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{
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return mInitialized;
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}
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