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-rw-r--r--tdecore/tdehw/hwlibdaemons/tdedbus/PowerService.cpp277
1 files changed, 277 insertions, 0 deletions
diff --git a/tdecore/tdehw/hwlibdaemons/tdedbus/PowerService.cpp b/tdecore/tdehw/hwlibdaemons/tdedbus/PowerService.cpp
new file mode 100644
index 000000000..9b269a9de
--- /dev/null
+++ b/tdecore/tdehw/hwlibdaemons/tdedbus/PowerService.cpp
@@ -0,0 +1,277 @@
+/*
+ * PowerService.cpp
+ *
+ * Created on: Feb 1, 2021
+ * Author: emanoil
+ *
+ * hardwarecontrol Copyright (C) 2021 trinity desktop development team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <unistd.h>
+
+//#include <kdebug.h>
+#include <tqfile.h>
+#include <tqtextstream.h>
+
+#include "PowerService.h"
+
+#define POWER_STATE_PATH "/sys/power/state"
+#define POWER_DISK_PATH "/sys/power/disk"
+
+PowerService::PowerService(TQT_DBusConnection &conn)
+: DeviceServiceBase(conn)
+{
+ // TODO Auto-generated constructor stub
+
+}
+
+PowerService::~PowerService()
+{
+ // TODO Auto-generated destructor stub
+}
+
+bool PowerService::canSetPower(TQString state, TQT_DBusError& error) {
+
+ bool method = false;
+ if (canSetDeviceValue(POWER_STATE_PATH,error)) {
+ TQFile file1( POWER_STATE_PATH );
+ if ( file1.open( IO_ReadOnly ) ) {
+ TQTextStream stream( &file1 );
+ TQString line = stream.readLine(); // line of text excluding '\n'
+ if ( line.find(state, 0) != -1 )
+ method = true;
+ file1.close();
+ } else {
+ error = TQT_DBusError::stdInvalidArgs(TQString ("Can not write device: ").append(POWER_STATE_PATH));
+ }
+ }
+
+ // send reply
+ return method;
+}
+
+bool PowerService::setPower(TQString state, TQT_DBusError& error) {
+
+ bool written = false;
+ if (canSetPower(state,error)) {
+ if ( setDeviceValue(POWER_STATE_PATH, state, error) ) {
+ written = true;
+ } else {
+ error = TQT_DBusError::stdFailed(TQString ("Can not set state: " + state));
+ }
+ } else {
+ error = TQT_DBusError::stdFailed(TQString ("Can not write device: ").append(POWER_STATE_PATH));
+ }
+
+ return written;
+}
+
+bool PowerService::canSetHibernation(TQString state, TQT_DBusError& error) {
+
+ // check if path is writable
+ bool state_writable = canSetDeviceValue(POWER_STATE_PATH,error);
+ bool disk_writable = canSetDeviceValue(POWER_DISK_PATH,error);
+
+ // check if method is supported
+ bool method1 = false, method2 = false;
+ if (state_writable && disk_writable) {
+ TQFile file1( POWER_STATE_PATH );
+ if ( file1.open( IO_ReadOnly ) ) {
+ TQTextStream stream( &file1 );
+ TQString line = stream.readLine(); // line of text excluding '\n'
+ if ( line.find("disk", 0) != -1 )
+ method1 = true;
+ file1.close();
+// kdDebug() << "Method1 for " << state << " is " << method1 << "\n";
+ } else {
+ error = TQT_DBusError::stdInvalidArgs(TQString ("Could not open ").append(POWER_STATE_PATH));
+ return false;
+ }
+
+ TQFile file2(POWER_DISK_PATH);
+ if ( file2.open( IO_ReadOnly ) ) {
+ TQTextStream stream( &file2 );
+ TQString line = stream.readLine(); // line of text excluding '\n'
+ if ( line.find(state, 0) != -1 )
+ method2 = true;
+ file2.close();
+ } else {
+ error = TQT_DBusError::stdInvalidArgs(TQString ("Could not open ").append(POWER_DISK_PATH));
+ return false;
+ }
+ }
+
+ // send reply
+ return state_writable && disk_writable && method1 && method2;
+}
+
+bool PowerService::setHibernation(TQString state, TQT_DBusError& error) {
+
+ // set hibernation state
+ bool written1 = false, written2 = false;
+
+ if (canSetHibernation(state,error)) {
+ TQFile file1(POWER_DISK_PATH);
+ if (!file1.open( IO_WriteOnly ) ) {
+ error = TQT_DBusError::stdFailed(TQString ("Could not open device ").append(POWER_DISK_PATH));
+ return false;
+ }
+ TQTextStream stream1( &file1 );
+ stream1 << state;
+ file1.close();
+ written1 = true;
+
+ TQFile file2(POWER_STATE_PATH);
+ if (!file2.open( IO_WriteOnly ) ) {
+ error = TQT_DBusError::stdFailed(TQString ("Could not open device ").append(POWER_STATE_PATH));
+ return false;
+ }
+ TQTextStream stream2( &file2 );
+ stream2 << "disk";
+ file2.close();
+ written2 = true;
+ } else {
+ error = TQT_DBusError::stdFailed(TQString ("Could not set state: " + state));
+ return false;
+ }
+
+ return written1 && written2;
+}
+
+/*!
+ * Implement virtual methods
+ *
+ */
+
+bool PowerService::CanStandby(bool& value, TQT_DBusError& error) {
+ value = canSetPower("standby", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::Standby(bool& value, TQT_DBusError& error) {
+ value = setPower("standby", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::CanFreeze(bool& value, TQT_DBusError& error) {
+ value = canSetPower("freeze", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::Freeze(bool& value, TQT_DBusError& error) {
+ value = setPower("freeze", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::CanSuspend(bool& value, TQT_DBusError& error) {
+ value = canSetPower("mem", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::Suspend(bool& value, TQT_DBusError& error) {
+ value = setPower("mem", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::CanHibernate(bool& value, TQT_DBusError& error) {
+ value = canSetHibernation("platform", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::Hibernate(bool& value, TQT_DBusError& error) {
+ value = setHibernation("platform", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::CanHybridSuspend(bool& value, TQT_DBusError& error) {
+ value = canSetHibernation("suspend", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::HybridSuspend(bool& value, TQT_DBusError& error) {
+ value = setHibernation("suspend", error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::CanSetHibernationMethod(bool& value, TQT_DBusError& error) {
+ value = canSetDeviceValue(POWER_DISK_PATH, error);
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+bool PowerService::SetHibernationMethod(const TQString& method, bool& value, TQT_DBusError& error) {
+ // set hibernation method
+ if (!method.isEmpty()) {
+ value = setDeviceValue(POWER_DISK_PATH, method, error);
+ }
+ else {
+ value = false;
+ error = TQT_DBusError::stdInvalidArgs(TQString ("Invalid argument for method: " + method));
+ }
+ if (error.isValid()) {
+ tqDebug(error.message().local8Bit());
+ return false;
+ }
+ return true;
+}
+
+
+void PowerService::handleMethodReply(const TQT_DBusMessage& reply) {
+ m_connection->send(reply);
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-16 17:48:27 +0000