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tdepowersave/src/hardware.h

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/**************************************************************************
* Copyright (C) 2006-2007 by Danny Kukawka *
* <dkukawka@suse.de>, <danny.kukawka@web.de> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of version 2 of the GNU General Public License *
* as published by the Free Software Foundation. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
/*!
* \file hardware.h
* \brief Headerfile for hardwareinfo.cpp. This file collect/hold all
* Hardware information as e.g. battery and ac state.
*/
/*!
* \class HardwareInfo
* \brief class for hardware information related funtionality
* \author Danny Kukawka, <dkukawka@suse.de>, <danny.kukawka@web.de>
* \date 2006-2007
*/
#ifndef _HARDWARE_H_
#define _HARDWARE_H_
// TQt - Header
#include <tqstring.h>
#include <tqobject.h>
#include <tqvaluelist.h>
#include <tqptrlist.h>
#include <tqdict.h>
// TDE hardware library
#include <tdehardwaredevices.h>
#include "dbusInterface.h"
#include "hardware_battery.h"
#include "hardware_batteryCollection.h"
enum suspend_type {
SUSPEND2DISK,
SUSPEND2RAM,
FREEZE,
STANDBY,
SUSPEND_HYBRID,
};
enum cpufreq_type {
UNKNOWN_CPUFREQ = -1,
PERFORMANCE,
DYNAMIC,
POWERSAVE
};
enum device_type {
BATTERY,
AC_ADAPTER,
BUTTON_SLEEP,
BUTTON_POWER,
LID,
LAPTOP_PANEL,
UNKNOWN_DEVICE
};
//! hold information if suspend/standby/pm actions are supported and allowed
/*!
* This dictionary contains information about the available pm capabilities and
* the related interfaces in TDE hardware library.
*/
typedef struct SuspendStates {
//! true if the machine support suspend2ram and the interface is available
bool suspend2ram;
//! true if the machine support suspend2ram, but no interface available
bool suspend2ram_can;
//! true if the machine support suspend2ram and PolicyKit allow to call the interface
int suspend2ram_allowed;
//! true if the machine support suspend2disk and the interface is available
bool suspend2disk;
//! true if the machine support suspend2disk, but no interface available
bool suspend2disk_can;
//! true if the machine support suspend2disk and PolicyKit allow to call the interface
int suspend2disk_allowed;
//! true if the machine support freeze and the interface is available
bool freeze;
//! true if the machine support freeze, but no interface available
bool freeze_can;
//! true if the machine support freeze and PolicyKit allow to call the interface
int freeze_allowed;
//! true if the machine support standby and the interface is available
bool standby;
//! true if the machine support standby, but no interface available
bool standby_can;
//! true if the machine support standby and PolicyKit allow to call the interface
int standby_allowed;
//! true if the machine support hybrid suspend and the interface is available
bool suspend_hybrid;
//! true if the machine support hybrid suspend, but no interface available
bool suspend_hybrid_can;
//! true if the machine support hybrid suspend and PolicyKit allow to call the interface
int suspend_hybrid_allowed;
SuspendStates () {
suspend2ram = false;
suspend2ram_can = false;
suspend2ram_allowed = -1;
suspend2disk = false;
suspend2disk_can = false;
suspend2disk_allowed = -1;
freeze = false;
freeze_can = false;
freeze_allowed = -1;
standby = false;
standby_can = false;
standby_allowed = -1;
suspend_hybrid = false;
suspend_hybrid_can = false;
suspend_hybrid_allowed = -1;
}
} SuspendStates;
class HardwareInfo : public TQObject{
TQ_OBJECT
private:
TDEHardwareDevices *m_hwdevices;
//! pointer to the dbusInterface connection class
dbusInterface *dbus_iface;
//! hold udis of special hardware execpt batteries represented by a TQString pairs (name,udi)
/*!
* This directory handle udis for known fixed devices as e.g ac adapter. This devices are
* currently available:
* \li acadapter
* \li lidclose
* \li laptop_panel
*/
TQDict<TQString> udis;
//! hold the UDIs of all hardware we handle atm
/*!
* This TQStringList contains the list of UDIs we handle at the moment in this
* class. This should be used to handle device events from TDE hardware library
* for devices we want to monitor
*/
TQStringList allUDIs;
//! hold information if suspend/standby/pm actions are supported and allowed
/*!
* This dictionary contains information about the available pm capabilities and
* the related interfaces in TDE hardware library.
*/
SuspendStates suspend_states;
TQTime calledSuspend;
//! hold the list of pointers to all relevant batteries
TQPtrList<Battery> BatteryList;
//! hold the information about all primary batteries
BatteryCollection *primaryBatteries;
//! hold the name of the CPU Freq governor from the last check
TQString cpuFreqGovernor;
//! hold the ConsoleKit name/path of the actual session
TQString consoleKitSession;
//! enum with the currently active CPU Freq policy
/*! This enum contains the enum with the currently set CPU Freq Policy. */
cpufreq_type currentCPUFreqPolicy;
//! the state of the ac adapter
/*!
* This boolean represent information about the AC adapter state.
* \li true: if AC adapter is present
* \li false: it AC adapter is not present
*/
bool acadapter;
//! the state of the lidclose button
/*!
* This boolean represent information about the Lid button state.
* \li true: if lid is closed
* \li false: else
*/
bool lidclose;
//! if the machine support APM
/*!
* This boolean represent information if the machine support APM or not.
* \li true: if APM supported
* \li false: else
*/
bool has_APM;
//! if the machine support ACPI
/*!
* This boolean represent information if the machine support ACPI or not.
* \li true: if ACPI supported
* \li false: else
*/
bool has_ACPI;
//! if the machine support PMU (ppc power management)
/*!
* This boolean represent information if the machine support PMU or not.
* \li true: if PMU supported
* \li false: else
*/
bool has_PMU;
//! if the machine support change CPU Freq via TDE hardware library
/*!
* This boolean represent information if the machine support change the
* CPU freqency via TDE hardware library.
* \li true: if supported
* \li false: else
*/
bool cpuFreq;
//! if the machine support change brightness
/*!
* This boolean represent information if the machine support brightness changes.
* \li true: if supported
* \li false: else
*/
bool brightness;
//! if brightness get controled via keyevents in hardware
/*!
* This boolean represent information if the machine handle brightness button
* and keyevents in hardware. If so TDEPowersave should ignore key events.
* \li true: if handled in hardware
* \li false: else
*/
bool brightness_in_hardware;
//! if the machine is a laptop
/*!
* This boolean represent information if the machine is a laptop.
* \li true: if the machine is a laptop
* \li false: else
*/
bool laptop;
//! if the current desktop session is active
/*!
* This boolean represent information if the current desktop session in
* Which TDEPowersave runs is marked in ConsoleKit as active or not.
* \li true: if active
* \li false: else
*/
bool sessionIsActive;
//! if the current user can use the CPU Freq interface
/*!
* This integer tell if the current user is allowed to change the
* CPU Frequency policy via the TDE hardware library
* \li 1: if allowed
* \li 0: if not allowed
* \li -1: if unknown (e.g. there is no policy/PolicyKit)
*/
int cpuFreqAllowed;
//! if the current user can use the brightness interface
/*!
* This integer tell if the current user is allowed to change the
* brightness via the TDE hardware library
* \li 1: if allowed
* \li 0: if not allowed
* \li -1: if unknown (e.g. there is no policy/PolicyKit)
*/
int brightnessAllowed;
//! Integer with the number of current brightness
/*! This contains the current brighness level. */
int currentBrightnessLevel;
//! Integer with the number of availabl brightness level
/*! This contains the number of available brightness levels for internal usage. */
int availableBrightnessLevels;
//! interger with the current warning level
int primaryBatteriesWarnLevel;
//! interger with the current low level
int primaryBatteriesLowLevel;
//! interger with the current critical level
int primaryBatteriesCriticalLevel;
// --> functions
//! check if the machine support ACPI/APM/PMU or not
void checkPowermanagement();
//! check the possible suspend/standby states
void checkSuspend();
//! check if the machine support change CPU Freq via TDE hardware library
void checkCPUFreq();
//! check the current brightness level
void checkCurrentBrightness();
//! check if the machine is a laptop
void checkIsLaptop();
//! initalise all hardware information
bool intialiseHWInfo();
//! reinit all hardware information
bool reinitHardwareInfos();
//! to check if we should handle a device
bool checkIfHandleDevice ( TQString _udi, int *type );
//! to set the CPUFreq governor
bool setCPUFreqGovernor( const char *governor );
//! find and update a battery information
void updateBatteryValues (TDEGenericDevice* device);
private slots:
//! handle changes of the session state
void handleSessionState (bool state);
//! to fetch events from the TDE hardware library and handle them
void processHardwareChangedEvent (TDEGenericDevice*);
//! to fetch keypresses from the TDE hardware library and handle them
void processKeyPressEvent (unsigned int, TDEEventDevice*);
//! to update \ref primaryBatteries
void updatePrimaryBatteries ();
//! to set \ref update_info_primBattery_changed
void setPrimaryBatteriesChanges ();
//! check the state of the lidclose button
void checkLidcloseState();
//! check the state of the AC adapter
void checkACAdapterState();
//! check if brightness change is possible
void checkBrightness();
//! TQ_SLOT to forward signal about changed battery warning state
void emitBatteryWARNState (int type, int state);
//! TQ_SLOT to handle resume and forward a signal for resume
void handleResumeSignal (int result);
//! to emit signal for power button
void emitPowerButtonPressed();
//! to emit signal for sleep button
void emitSuspendButtonPressed();
//! to emit signal for s2disk button
void emitS2diskButtonPressed();
//! to emit signal for session state
void emitSessionActiveState();
signals:
//! signal for larger data changes
void generalDataChanged();
//! emited if the CPU Freq Policy changed
void currentCPUFreqPolicyChanged();
//! signal the AC adapter
void ACStatus( bool );
//! signal for the lidclose button
void lidclosetStatus ( bool );
//! signal for pressed the power button
void powerButtonPressed ();
//! signal for pressed sleep (suspend2ram) button
void sleepButtonPressed ();
//! signal for pressed the suspend2disk (hibernate) button
void s2diskButtonPressed ();
// battery related signals
//! signal if the primary battery collection changed
void primaryBatteryChanged();
//! signal to inform about reaching a warning state
void batteryWARNState(int type, int state);
// Error signals
//! signal if the IsActive state of
void desktopSessionIsActive (bool);
//! signal if we are back from resume
void resumed ( int success );
public:
// update related info --> need to be reset if the data was read
//! tells if the CPUFreq Policy changed
/*!
* This boolean represent information about CPUFreq Policy changes.
* \li true: if something changed
* \li false: if nothing changed (or this is reset to false if the message was consumed)
*/
bool update_info_cpufreq_policy_changed;
//! tells if the AC status changed
/*!
* This boolean represent information about AC status changes.
* \li true: if something changed
* \li false: if nothing changed (or this is reset to false if the message was consumed)
*/
bool update_info_ac_changed;
//! tells if the primary battery collection changed some values
/*!
* This boolean represent information about primary battery changes.
* \li true: if something changed
* \li false: if nothing changed (or this is reset to false if the message was consumed)
*/
bool update_info_primBattery_changed;
// --> functions
//! default constructor
HardwareInfo();
//! default destructor
~HardwareInfo();
// to get private members
//! get info about support of suspend/standby
SuspendStates getSuspendSupport() const;
//! get a pointer to the primary batteries
BatteryCollection* getPrimaryBatteries() const;
//! get all batteries
TQPtrList<Battery> getAllBatteries() const;
//! check the currently set CPU Frequency Policy
cpufreq_type checkCurrentCPUFreqPolicy();
//! get max brightness level
int getMaxBrightnessLevel() const;
//! get current brightness level
int getCurrentBrightnessLevel() const;
//! get currently CPU Frequency Policy
int getCurrentCPUFreqPolicy() const;
//! if the user is allowed to change CPU Freq PolicyKit
int isCpuFreqAllowed ();
//! get state of the AC adapter
bool getAcAdapter() const;
//! get the state of the lid button
bool getLidclose() const;
//! check if the machine is a latop
bool isLaptop() const;
//! check if there is a connection to TDE hardware library
bool isOnline() const;
//! check if the machine support ACPI
bool hasACPI() const;
//! check if the machine support APM
bool hasAPM() const;
//! check if the machine support PMU
bool hasPMU() const;
//! check if the machine support change the CPU frequency
bool supportCPUFreq() const;
//! check if the machine support brightness changes
bool supportBrightness() const;
//! check if the current session is active
bool currentSessionIsActive() const;
// --> functions to call a TDE hardware library and trigger an action
//! execute/trigger a suspend via the TDE hardware library
bool suspend ( suspend_type suspend );
//! set the brightness level via TDE hardware library
bool setBrightnessLevel(int level);
//! set the brightness percentage via TDE hardware library
bool setBrightnessPercentage(int percent);
//! to set the brightness down
bool setBrightnessDown(int percentageStep = -1);
//! to set the brightness up
bool setBrightnessUp(int percentageStep = -1);
//! set the CPU frequency policy/speed
bool setCPUFreq ( cpufreq_type cpufreq, int limit = 51 );
//! function to set warning states for the primary battery collection
void setPrimaryBatteriesWarningLevel (int _warn = -1, int _low = -1, int _crit = -1 );
};
#endif