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Diffstat (limited to 'tdecore/tdehw/tdebacklightdevice.cpp')
| -rw-r--r-- | tdecore/tdehw/tdebacklightdevice.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/tdecore/tdehw/tdebacklightdevice.cpp b/tdecore/tdehw/tdebacklightdevice.cpp new file mode 100644 index 000000000..0ce5533e0 --- /dev/null +++ b/tdecore/tdehw/tdebacklightdevice.cpp @@ -0,0 +1,138 @@ +/* This file is part of the TDE libraries + Copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net> + (C) 2013 Golubev Alexander <fatzer2@gmail.com> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License version 2 as published by the Free Software Foundation. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include "tdebacklightdevice.h" + +#include <unistd.h> + +#include <tqfile.h> + +#include "config.h" + +// uPower +#if defined(WITH_UPOWER) + #include <tqdbusdata.h> + #include <tqdbusmessage.h> + #include <tqdbusproxy.h> + #include <tqdbusvariant.h> + #include <tqdbusconnection.h> +#endif // defined(WITH_UPOWER) + +TDEBacklightDevice::TDEBacklightDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn) : TDEGenericDevice(dt, dn) { +} + +TDEBacklightDevice::~TDEBacklightDevice() { +} + +TDEDisplayPowerLevel::TDEDisplayPowerLevel TDEBacklightDevice::powerLevel() { + return m_powerLevel; +} + +void TDEBacklightDevice::internalSetPowerLevel(TDEDisplayPowerLevel::TDEDisplayPowerLevel pl) { + m_powerLevel = pl; +} + +void TDEBacklightDevice::internalSetMaximumRawBrightness(int br) { + m_maximumBrightness = br; +} + +void TDEBacklightDevice::internalSetCurrentRawBrightness(int br) { + m_currentBrightness = br; +} + +int TDEBacklightDevice::brightnessSteps() { + return m_maximumBrightness + 1; +} + +double TDEBacklightDevice::brightnessPercent() { + return (((m_currentBrightness*1.0)/m_maximumBrightness)*100.0); +} + +bool TDEBacklightDevice::canSetBrightness() { + TQString brightnessnode = systemPath() + "/brightness"; + int rval = access (brightnessnode.ascii(), W_OK); + if (rval == 0) { + return TRUE; + } + else { +#ifdef WITH_UPOWER + TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus); + if (dbusConn.isConnected()) { + TQT_DBusProxy hardwareControl("org.trinitydesktop.hardwarecontrol", "/org/trinitydesktop/hardwarecontrol", "org.trinitydesktop.hardwarecontrol.Brightness", dbusConn); + if (hardwareControl.canSend()) { + // can set brightness? + TQValueList<TQT_DBusData> params; + params << TQT_DBusData::fromString(brightnessnode); + TQT_DBusMessage reply = hardwareControl.sendWithReply("CanSetBrightness", params); + if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) { + return reply[0].toVariant().value.toBool(); + } + else { + return FALSE; + } + } + else { + return FALSE; + } + } + else { + return FALSE; + } +#else // WITH_UPOWER + return FALSE; +#endif// WITH_UPOWER + } +} + +int TDEBacklightDevice::rawBrightness() { + return m_currentBrightness; +} + +void TDEBacklightDevice::setRawBrightness(int br) { + TQString brightnessnode = systemPath() + "/brightness"; + TQString brightnessCommand = TQString("%1").arg(br); + TQFile file( brightnessnode ); + if ( file.open( IO_WriteOnly ) ) { + TQTextStream stream( &file ); + stream << brightnessCommand; + file.close(); + } +#ifdef WITH_UPOWER + else { + TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus); + if (dbusConn.isConnected()) { + TQT_DBusProxy hardwareControl("org.trinitydesktop.hardwarecontrol", "/org/trinitydesktop/hardwarecontrol", "org.trinitydesktop.hardwarecontrol.Brightness", dbusConn); + if (hardwareControl.canSend()) { + // set brightness + TQValueList<TQT_DBusData> params; + params << TQT_DBusData::fromString(brightnessnode) << TQT_DBusData::fromString(brightnessCommand); + hardwareControl.sendWithReply("SetBrightness", params); + } + else { + return; + } + } + else { + return; + } + } +#endif // WITH_UPOWER +} + +#include "tdebacklightdevice.moc" |