workspace/solid/hal/halpower.h

   1 /*  This file is part of the KDE project
   2     Copyright (C) 2006 Kevin Ottens <ervin@kde.org>
   3     Copyright (C) 2008 Dario Freddi <drf54321@gmail.com>
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License version 2 as published by the Free Software Foundation.
   8
   9     This library is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     Library General Public License for more details.
  13
  14     You should have received a copy of the GNU Library General Public License
  15     along with this library; see the file COPYING.LIB.  If not, write to
  16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17     Boston, MA 02110-1301, USA.
  18
  19 */
  20
  21 #ifndef HALPOWER_H
  22 #define HALPOWER_H
  23
  24 #include <QtDBus/QDBusConnection>
  25 #include <QtDBus/QDBusInterface>
  26
  27 #include <kdemacros.h>
  28
  29 #include <solid/devicenotifier.h>
  30 #include <solid/device.h>
  31 #include <solid/button.h>
  32
  33 #include <solid/control/ifaces/powermanager.h>
  34
  35 class KDE_EXPORT HalPower : public Solid::Control::Ifaces::PowerManager
  36 {
  37     Q_OBJECT
  38
  39 public:
  40     HalPower(QObject *parent, const QStringList &args);
  41     virtual ~HalPower();
  42
  43     virtual QStringList supportedSchemes() const;
  44     virtual QString schemeDescription(const QString &schemeName) const;
  45     virtual QString scheme() const;
  46     virtual bool setScheme(const QString &name);
  47
  48     virtual Solid::Control::PowerManager::BatteryState batteryState() const;
  49     virtual int batteryChargePercent() const;
  50     virtual int batteryRemainingTime() const;
  51     virtual Solid::Control::PowerManager::AcAdapterState acAdapterState() const;
  52
  53     virtual Solid::Control::PowerManager::SuspendMethods supportedSuspendMethods() const;
  54     virtual KJob *suspend(Solid::Control::PowerManager::SuspendMethod method) const;
  55
  56     virtual Solid::Control::PowerManager::CpuFreqPolicies supportedCpuFreqPolicies() const;
  57     virtual Solid::Control::PowerManager::CpuFreqPolicy cpuFreqPolicy() const;
  58     virtual bool setCpuFreqPolicy(Solid::Control::PowerManager::CpuFreqPolicy newPolicy);
  59     virtual bool canDisableCpu(int cpuNum) const;
  60     virtual bool setCpuEnabled(int cpuNum, bool enabled);
  61
  62     virtual Solid::Control::PowerManager::BrightnessControlsList brightnessControlsAvailable();
  63     virtual float brightness(const QString &device);
  64     virtual bool setBrightness(float brightness, const QString &device);
  65
  66 private:
  67     void computeAcAdapters();
  68     void computeBatteries();
  69     void computeButtons();
  70
  71 private slots:
  72     void updateBatteryStats();
  73     void slotPlugStateChanged(bool newState);
  74     void slotButtonPressed(Solid::Button::ButtonType type);
  75     void slotDeviceAdded(const QString &udi);
  76     void slotDeviceRemoved(const QString &udi);
  77     void slotBatteryPropertyChanged(const QMap<QString,int> &changes);
  78
  79 private:
  80     QMap<QString, Solid::Device *> m_acAdapters;
  81     QMap<QString, Solid::Device *> m_batteries;
  82     QMap<QString, Solid::Device *> m_buttons;
  83
  84     int m_pluggedAdapterCount;
  85
  86     int m_currentBatteryCharge;
  87     int m_maxBatteryCharge;
  88     int m_warningBatteryCharge;
  89     int m_lowBatteryCharge;
  90     int m_criticalBatteryCharge;
  91     int m_estimatedBatteryTime;
  92
  93     mutable QDBusInterface m_halComputer;
  94     mutable QDBusInterface m_halPowerManagement;
  95     mutable QDBusInterface m_halCpuFreq;
  96     mutable QDBusInterface m_halManager;
  97 };
  98
  99 #endif