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134 lines
2.9 KiB
134 lines
2.9 KiB
/*
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* idle.cpp - detect desktop idle time
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* Copyright (C) 2003 Justin Karneges
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include"idle.h"
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#include<tqcursor.h>
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#include<tqdatetime.h>
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#include<tqtimer.h>
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static IdlePlatform *platform = 0;
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static int platform_ref = 0;
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Idle::Idle()
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{
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d = new Private;
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d->active = false;
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d->idleTime = 0;
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// try to use platform idle
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if(!platform) {
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IdlePlatform *p = new IdlePlatform;
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if(p->init())
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platform = p;
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else
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delete p;
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}
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if(platform)
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++platform_ref;
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connect(&d->checkTimer, TQ_SIGNAL(timeout()), TQ_SLOT(doCheck()));
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}
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Idle::~Idle()
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{
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if(platform) {
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--platform_ref;
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if(platform_ref == 0) {
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delete platform;
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platform = 0;
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}
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}
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delete d;
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}
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bool Idle::isActive() const
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{
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return d->active;
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}
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bool Idle::usingPlatform() const
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{
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return (platform ? true: false);
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}
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void Idle::start()
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{
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d->startTime = TQDateTime::currentDateTime();
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if(!platform) {
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// generic idle
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d->lastMousePos = TQCursor::pos();
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d->idleSince = TQDateTime::currentDateTime();
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}
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// poll every second (use a lower value if you need more accuracy)
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d->checkTimer.start(1000);
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}
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void Idle::stop()
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{
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d->checkTimer.stop();
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}
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int Idle::secondsIdle()
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{
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int i;
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if(platform)
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i = platform->secondsIdle();
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else {
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TQPoint curMousePos = TQCursor::pos();
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TQDateTime curDateTime = TQDateTime::currentDateTime();
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if(d->lastMousePos != curMousePos) {
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d->lastMousePos = curMousePos;
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d->idleSince = curDateTime;
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}
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i = d->idleSince.secsTo(curDateTime);
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}
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// set 'beginIdle' to the beginning of the idle time (by backtracking 'i' seconds from now)
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TQDateTime beginIdle = TQDateTime::currentDateTime().addSecs(-i);
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// set 't' to hold the number of seconds between 'beginIdle' and 'startTime'
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int t = beginIdle.secsTo(d->startTime);
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// beginIdle later than (or equal to) startTime?
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if(t <= 0) {
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// scoot ourselves up to the new idle start
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d->startTime = beginIdle;
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}
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// beginIdle earlier than startTime?
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else if(t > 0) {
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// do nothing
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}
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// how long have we been idle?
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int idleTime = d->startTime.secsTo(TQDateTime::currentDateTime());
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return idleTime;
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}
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void Idle::doCheck()
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{
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secondsIdle(secondsIdle());
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}
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#include "idle.moc"
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