summaryrefslogtreecommitdiffstats
path: root/tdecore/tdehw/tdebacklightdevice.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tdecore/tdehw/tdebacklightdevice.cpp')
-rw-r--r--tdecore/tdehw/tdebacklightdevice.cpp138
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"