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tdelibs
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Additional fixups to provide methods needed by kpowersave

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pull/16/head
Timothy Pearson 13 years ago
parent 76eb139db2
commit fde8fcb186
2 changed files with 102 additions and 10 deletions
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64
tdecore/tdehardwaredevices.cpp
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@ -930,6 +930,33 @@ void TDECPUDevice::setGovernor(TQString gv) {
stream << gv.lower();
file.close();
}
// Force update of the device information object
KGlobal::hardwareDevices()->processModifiedCPUs();
}
bool TDECPUDevice::canSetMaximumScalingFrequency() {
TQString freqnode = systemPath() + "/cpufreq/scaling_max_freq";
int rval = access (freqnode.ascii(), W_OK);
if (rval == 0) {
return TRUE;
}
else {
return FALSE;
}
}
void TDECPUDevice::setMaximumScalingFrequency(double fr) {
TQString freqnode = systemPath() + "/cpufreq/scaling_max_freq";
TQFile file( freqnode );
if ( file.open( IO_WriteOnly ) ) {
TQTextStream stream( &file );
stream << TQString("%1").arg(fr*1000000.0, 0, 'f', 0);
file.close();
}
// Force update of the device information object
KGlobal::hardwareDevices()->processModifiedCPUs();
}
TDESensorDevice::TDESensorDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn) : TDEGenericDevice(dt, dn) {
@ -1213,6 +1240,14 @@ void TDEBatteryDevice::internalSetDischargeRate(double vt) {
m_dischargeRate = vt;
}
double TDEBatteryDevice::timeRemaining() {
return m_timeRemaining;
}
void TDEBatteryDevice::internalSetTimeRemaining(double tr) {
m_timeRemaining = tr;
}
TQString TDEBatteryDevice::technology() {
return m_technology;
}
@ -1221,12 +1256,25 @@ void TDEBatteryDevice::internalSetTechnology(TQString tc) {
m_technology = tc;
}
TQString TDEBatteryDevice::status() {
TDEBatteryStatus::TDEBatteryStatus TDEBatteryDevice::status() {
return m_status;
}
void TDEBatteryDevice::internalSetStatus(TQString tc) {
m_status = tc;
tc = tc.lower();
if (tc == "charging") {
m_status = TDEBatteryStatus::Charging;
}
else if (tc == "discharging") {
m_status = TDEBatteryStatus::Discharging;
}
else if (tc == "full") {
m_status = TDEBatteryStatus::Full;
}
else {
m_status = TDEBatteryStatus::Unknown;
}
}
bool TDEBatteryDevice::installed() {
@ -1788,7 +1836,7 @@ void TDEHardwareDevices::processHotPluggedHardware() {
TQString actionevent(udev_device_get_action(dev));
if (actionevent == "add") {
TDEGenericDevice* device = classifyUnknownDevice(dev);
// Make sure this device is not a duplicate
TDEGenericDevice *hwdevice;
for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
@ -1808,6 +1856,7 @@ void TDEHardwareDevices::processHotPluggedHardware() {
else if (actionevent == "remove") {
// Delete device from hardware listing
TQString systempath(udev_device_get_syspath(dev));
systempath += "/";
TDEGenericDevice *hwdevice;
for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
if (hwdevice->systemPath() == systempath) {
@ -1837,6 +1886,7 @@ void TDEHardwareDevices::processHotPluggedHardware() {
else if (actionevent == "change") {
// Update device and emit change event
TQString systempath(udev_device_get_syspath(dev));
systempath += "/";
TDEGenericDevice *hwdevice;
for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
if (hwdevice->systemPath() == systempath) {
@ -1938,7 +1988,7 @@ void TDEHardwareDevices::processModifiedCPUs() {
scalingdriverfile.close();
}
nodename = cpufreq_dir.path();
nodename.append("/scaling_min_freq");
nodename.append("/cpuinfo_min_freq");
TQFile minfrequencyfile(nodename);
if (minfrequencyfile.open(IO_ReadOnly)) {
TQTextStream stream( &minfrequencyfile );
@ -1946,7 +1996,7 @@ void TDEHardwareDevices::processModifiedCPUs() {
minfrequencyfile.close();
}
nodename = cpufreq_dir.path();
nodename.append("/scaling_max_freq");
nodename.append("/cpuinfo_max_freq");
TQFile maxfrequencyfile(nodename);
if (maxfrequencyfile.open(IO_ReadOnly)) {
TQTextStream stream( &maxfrequencyfile );
@ -2680,6 +2730,7 @@ TDEGenericDevice* TDEHardwareDevices::classifyUnknownDevice(udev_device* dev, TD
devicesubsystem = (udev_device_get_subsystem(dev));
devicenode = (udev_device_get_devnode(dev));
systempath = (udev_device_get_syspath(dev));
systempath += "/";
devicevendorid = (udev_device_get_property_value(dev, "ID_VENDOR_ID"));
devicemodelid = (udev_device_get_property_value(dev, "ID_MODEL_ID"));
devicevendoridenc = (udev_device_get_property_value(dev, "ID_VENDOR_ENC"));
@ -3660,6 +3711,9 @@ TDEGenericDevice* TDEHardwareDevices::classifyUnknownDevice(udev_device* dev, TD
++valuesdirit;
}
}
// Calculate time remaining
bdevice->internalSetTimeRemaining(bdevice->energy()*bdevice->dischargeRate()*60);
}
if (device->type() == TDEGenericDeviceType::PowerSupply) {

48
tdecore/tdehardwaredevices.h
Unescape View File

@ -773,6 +773,16 @@ class TDECORE_EXPORT TDECPUDevice : public TDEGenericDevice
*/
void setGovernor(TQString gv);
/**
* @return TRUE if permissions allow the CPU maximum frequency to be set, FALSE if not
*/
bool canSetMaximumScalingFrequency();
/**
* @param gv a double with the new CPU maximum frequency in MHz
*/
void setMaximumScalingFrequency(double fr);
protected:
/**
* @param fr a double with the current CPU frequency in MHz, if available
@ -842,6 +852,15 @@ class TDECORE_EXPORT TDECPUDevice : public TDEGenericDevice
friend class TDEHardwareDevices;
};
namespace TDEBatteryStatus {
enum TDEBatteryStatus {
Charging,
Discharging,
Full,
Unknown = 0x80000000
};
};
class TDECORE_EXPORT TDEBatteryDevice : public TDEGenericDevice
{
public:
@ -901,15 +920,20 @@ class TDECORE_EXPORT TDEBatteryDevice : public TDEGenericDevice
*/
double dischargeRate();
/**
* @return a double with the current battery discharge time remaining in seconds, if available
*/
double timeRemaining();
/**
* @return a TQString with the battery technology, if available
*/
TQString technology();
/**
* @return a TQString with the battery status, if available
* @return a TDEBatteryStatus::TDEBatteryStatus with the current battery status
*/
TQString status();
TDEBatteryStatus::TDEBatteryStatus status();
/**
* @return TRUE if the battery is installed
@ -976,6 +1000,12 @@ class TDECORE_EXPORT TDEBatteryDevice : public TDEGenericDevice
*/
void internalSetDischargeRate(double vt);
/**
* @param a double with the current battery discharge time remaining in seconds, if available
* @internal
*/
void internalSetTimeRemaining(double tr);
/**
* @param a TQString with the battery technology, if available
* @internal
@ -1004,8 +1034,9 @@ class TDECORE_EXPORT TDEBatteryDevice : public TDEGenericDevice
double m_maximumEnergy;
double m_maximumDesignEnergy;
double m_dischargeRate;
double m_timeRemaining;
TQString m_technology;
TQString m_status;
TDEBatteryStatus::TDEBatteryStatus m_status;
bool m_installed;
friend class TDEHardwareDevices;
@ -1569,7 +1600,7 @@ class TDECORE_EXPORT TDERootSystemDevice : public TDEGenericDevice
void setHibernationMethod(TDESystemHibernationMethod::TDESystemHibernationMethod hm);
/**
* @param ps a TDESystemPowerState::TDESystemPowerState with the desired hibernation method
* @param ps a TDESystemPowerState::TDESystemPowerState with the desired power state
* @return TRUE if power state was set
*/
bool setPowerState(TDESystemPowerState::TDESystemPowerState ps);
@ -1893,6 +1924,13 @@ class TDECORE_EXPORT TDEHardwareDevices : public TQObject
*/
TDERootSystemDevice* rootSystemDevice();
/**
* Rescan a hardware device to look for changes
* WARNING: This method can be very expensive. Use with caution!
* @param hwdevice TDEGenericDevice* with the device to rescan
*/
void rescanDeviceInformation(TDEGenericDevice* hwdevice);
/**
* Convert a byte count to human readable form
* @param bytes a double containing the number of bytes
@ -1913,7 +1951,6 @@ class TDECORE_EXPORT TDEHardwareDevices : public TQObject
void processStatelessDevices();
private:
void rescanDeviceInformation(TDEGenericDevice* hwdevice);
void updateBlacklists(TDEGenericDevice* hwdevice, udev_device* dev);
private:
@ -1958,6 +1995,7 @@ class TDECORE_EXPORT TDEHardwareDevices : public TQObject
friend class TDEGenericDevice;
friend class TDEStorageDevice;
friend class TDECPUDevice;
};
#endif
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