powermanager.cpp

   1 //
   2 // C++ Implementation: cpowermanager
   3 //
   4 // Author: Oliver Groß <z.o.gross@gmx.de>, (C) 2008
   5 //
   6 // Copyright: See COPYING file that comes with this distribution
   7 //
   8 #include <QtGui>
   9 #include "powermanager.h"
  10 #include "common.h"
  11
  12 namespace qbat {
  13         using namespace std;
  14
  15         CPowerManager::CPowerManager(QObject * parent) :
  16                 QObject(parent),
  17                 m_SysfsDir(UI_PATH_SYSFS_DIR),
  18                 m_DefaultTrayIcon(QIcon(UI_ICON_QBAT), this)
  19         {
  20                 m_ContextMenu.addAction(tr("&Settings"))->setEnabled(false);
  21                 m_ContextMenu.addSeparator();
  22                 m_ContextMenu.addAction(tr("&Quit"), qApp, SLOT(quit()));
  23
  24                 m_DefaultTrayIcon.setContextMenu(&m_ContextMenu);
  25
  26                 timerEvent(NULL);
  27                 if (m_SysfsDir.exists()) {
  28                         m_Timer = startTimer(3000);
  29                 }
  30         }
  31
  32         CPowerManager::~CPowerManager() {
  33                 killTimer(m_Timer);
  34         }
  35
  36         void CPowerManager::timerEvent(QTimerEvent *) {
  37                 if (m_SysfsDir.exists()) {
  38                         bool acPlug = false;
  39                         QStringList powerSupplies = m_SysfsDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
  40
  41                         QList<CBatteryIcon *> newBatteryIcons;
  42                         CBatteryIcon * currentBatteryIcon;
  43
  44                         foreach(QString i, powerSupplies) {
  45                                 string buffer = readStringSysFile(m_SysfsDir.filePath(i + "/type").toAscii().constData());
  46
  47                                 if (buffer == "Mains") {
  48                                         if (1 == readIntSysFile(m_SysfsDir.filePath(i + "/online").toAscii().constData()))
  49                                                 acPlug = true;
  50                                 }
  51                                 else if (buffer == "Battery") {
  52                                         if (!m_BatteryIcons.contains(i))
  53                                                 currentBatteryIcon = new CBatteryIcon(i, &m_ContextMenu, this);
  54                                         else {
  55                                                 currentBatteryIcon = m_BatteryIcons.take(i);
  56                                                 currentBatteryIcon->updateData();
  57                                         }
  58                                         newBatteryIcons << currentBatteryIcon;
  59                                 }
  60                         }
  61
  62                         foreach(CBatteryIcon * i, m_BatteryIcons) {
  63                                 delete i;
  64                         }
  65
  66                         m_BatteryIcons.clear();
  67
  68                         foreach(CBatteryIcon * i, newBatteryIcons)
  69                                 m_BatteryIcons.insert(i->batteryName(), i);
  70
  71                         if (acPlug)
  72                                 m_DefaultTrayIcon.setToolTip("QBat - " + tr("AC adapter plugged in"));
  73                         else
  74                                 m_DefaultTrayIcon.setToolTip("QBat - " + tr("AC adapter unplugged"));
  75                 }
  76                 else
  77                         m_DefaultTrayIcon.setToolTip("QBat - " + tr("no information available"));
  78
  79                 m_DefaultTrayIcon.setVisible(m_BatteryIcons.isEmpty());
  80         }
  81 }