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127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
/*
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* Copyright (C) 2003 by Scott Monachello <smonach@cox.net>
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* 2007 the ktimetracker developers
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the
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* Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef KTIMETRACKER_IDLE_TIME_DETECTOR_H
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#define KTIMETRACKER_IDLE_TIME_DETECTOR_H
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#include "ktimetrackerutility.h" // SecsPerMinute
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#include <QDateTime>
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#include <QObject>
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#include <config-ktimetracker.h> // HAVE_LIBXSS
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#include <QTimer>
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#if defined(HAVE_LIBXSS) && defined(Q_WS_X11)
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/extensions/scrnsaver.h>
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#include <fixx11h.h>
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#endif // HAVE_LIBXSS
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// Minutes between each idle overrun test.
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const int testInterval= secsPerMinute * 1000;
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/**
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* Keep track of how long the computer has been idle.
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*/
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class IdleTimeDetector :public QObject
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{
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Q_OBJECT
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public:
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/**
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Initializes and idle test timer
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@param maxIdle minutes before the idle timer will go off.
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**/
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explicit IdleTimeDetector(int maxIdle);
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/**
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Returns true if it is possible to do idle detection.
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Idle detection relys on a feature in the X server, which might not
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always be present.
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**/
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bool isIdleDetectionPossible();
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Q_SIGNALS:
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/**
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Tells the listener to subtract time from current timing.
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The time to subtract is due to the idle time since the dialog wass
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shown, and until the user answers the dialog.
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@param minutes Minutes to subtract.
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**/
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void subtractTime(int minutes);
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/**
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Tells the listener to stop timing
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**/
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void stopAllTimers(QDateTime time);
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public Q_SLOTS:
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void revert();
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/**
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Sets the maximum allowed idle.
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@param maxIdle Maximum allowed idle time in minutes
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**/
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void setMaxIdle(int maxIdle);
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/**
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Starts detecting idle time
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**/
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void startIdleDetection();
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/**
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Stops detecting idle time.
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**/
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void stopIdleDetection();
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/**
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Sets whether idle detection should be done at all
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@param on If true idle detection is done based on
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startIdleDetection and @ref stopIdleDetection
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**/
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void toggleOverAllIdleDetection(bool on);
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protected:
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#if defined(HAVE_LIBXSS) && defined(Q_WS_X11)
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void informOverrun();
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#endif // HAVE_LIBXSS
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protected Q_SLOTS:
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void check();
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private:
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#if defined(HAVE_LIBXSS) && defined(Q_WS_X11)
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XScreenSaverInfo *_mit_info;
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#endif
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bool _idleDetectionPossible;
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bool _overAllIdleDetect; // Based on preferences.
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int _maxIdle;
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QTimer *_timer;
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QDateTime start; // when the idletimedetectordialog started
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QDateTime idlestart; // when the idleness started
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int idleminutes;
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};
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#endif // KTIMETRACKER_IDLE_TIME_DETECTOR_H
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