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.addAction(tr("&About"), this, SLOT(showAbout()));
  22                 m_ContextMenu.addSeparator();
  23                 m_ContextMenu.addAction(tr("&Quit"), qApp, SLOT(quit()));
  24
  25                 m_DefaultTrayIcon.setContextMenu(&m_ContextMenu);
  26
  27                 timerEvent(NULL);
  28                 if (m_SysfsDir.exists()) {
  29                         m_Timer = startTimer(3000);
  30                 }
  31         }
  32
  33         CPowerManager::~CPowerManager() {
  34                 killTimer(m_Timer);
  35         }
  36
  37         void CPowerManager::timerEvent(QTimerEvent *) {
  38                 if (m_SysfsDir.exists()) {
  39                         bool acPlug = false;
  40                         QStringList powerSupplies = m_SysfsDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
  41
  42                         QList<CBatteryIcon *> newBatteryIcons;
  43                         CBatteryIcon * currentBatteryIcon;
  44
  45                         foreach(QString i, powerSupplies) {
  46                                 string buffer = readStringSysFile(m_SysfsDir.filePath(i + "/type").toAscii().constData());
  47
  48                                 if (buffer == "Mains") {
  49                                         if (1 == readIntSysFile(m_SysfsDir.filePath(i + "/online").toAscii().constData()))
  50                                                 acPlug = true;
  51                                 }
  52                                 else if (buffer == "Battery") {
  53                                         if (!m_BatteryIcons.contains(i))
  54                                                 currentBatteryIcon = new CBatteryIcon(i, &m_ContextMenu, this);
  55                                         else {
  56                                                 currentBatteryIcon = m_BatteryIcons.take(i);
  57                                                 currentBatteryIcon->updateData();
  58                                         }
  59                                         newBatteryIcons << currentBatteryIcon;
  60                                 }
  61                         }
  62
  63                         foreach(CBatteryIcon * i, m_BatteryIcons) {
  64                                 delete i;
  65                         }
  66
  67                         m_BatteryIcons.clear();
  68
  69                         foreach(CBatteryIcon * i, newBatteryIcons)
  70                                 m_BatteryIcons.insert(i->batteryName(), i);
  71
  72                         if (acPlug)
  73                                 m_DefaultTrayIcon.setToolTip("QBat - " + tr("AC adapter plugged in"));
  74                         else
  75                                 m_DefaultTrayIcon.setToolTip("QBat - " + tr("AC adapter unplugged"));
  76                 }
  77                 else
  78                         m_DefaultTrayIcon.setToolTip("QBat - " + tr("no information available"));
  79
  80                 m_DefaultTrayIcon.setVisible(m_BatteryIcons.isEmpty());
  81         }
  82
  83         void CPowerManager::showAbout() {
  84                 QMessageBox aboutBox;
  85
  86                 aboutBox.setWindowIcon(QIcon(UI_ICON_QBAT));
  87                 aboutBox.setIconPixmap(QPixmap(UI_ICON_QBAT));
  88                 aboutBox.setWindowTitle(tr("About QBat"));
  89                 aboutBox.setText(UI_NAME + "\nv" + QString(UI_VERSION));
  90                 aboutBox.setStandardButtons(QMessageBox::Ok);
  91
  92                 aboutBox.exec();
  93         }
  94 }