Add support for freeze suspend state

1 files changed, 127 insertions, 10 deletions

diff --git a/src/tdepowersave.cpp b/src/tdepowersave.cpp
index b54b990..73b569d 100644
--- a/src/tdepowersave.cpp
+++ b/src/tdepowersave.cpp
@@ -194,6 +194,8 @@ void tdepowersave::initMenu() {
 							       TQIconSet::Automatic),
 							       i18n("Suspend to RAM"), this,
 							       TQT_SLOT(do_suspend2ram()));
+	FREEZE_MENU_ID = this->contextMenu()->insertItem( SmallIconSet("suspend_to_ram", TQIconSet::Automatic),
+							   i18n("Freeze"), this, TQT_SLOT(do_freeze()));
 	STANDBY_MENU_ID = this->contextMenu()->insertItem( SmallIconSet("stand_by", TQIconSet::Automatic),
 							   i18n("Standby"), this, TQT_SLOT(do_standby()));
 
@@ -685,9 +687,9 @@ void tdepowersave::slotConfigProcessExited(TDEProcess *proc){
 }
 
 /*!
- * \b TQT_SLOT to send the command for "suspend to disk" to HAL daemon.
+ * \b TQT_SLOT to send the command for "suspend to disk" to TDE hardware library.
  * If there is a error while "suspend to disk" the user get e messagebox.
- * This function need a running HAL daemon for "suspend to disk".
+ * This function need a power management backend in TDE hardware library for "suspend to disk".
  * \return boolean with the result of the operation
  * \retval true if successful
  * \retval false if command not supported or if powersaved not running
@@ -734,16 +736,16 @@ bool tdepowersave::do_suspend2disk(){
 			return false;
 		}
 	} else {
-		kdWarning() << "This machine does not provide suspend2disk via HAL" << endl;
+		kdWarning() << "This machine does not provide suspend to disk state" << endl;
 		kdDebugFuncOut(trace);
 		return false;
 	}
 }
 
 /*!
- * \b TQT_SLOT to send the command for "suspend to RAM" to the HAL daemon.
+ * \b TQT_SLOT to send the command for "suspend to RAM" to the TDE hardware library.
  * If there is a error while "suspend to RAM" the user get e messagebox.
- * This function need a running HAL daemon for "suspend to RAM".
+ * This function need a power management backend in TDE hardware library for "suspend to RAM".
  * \return boolean with the result of the operation
  * \retval true if successful
  * \retval false if command not supported or if powersaved not running
@@ -790,16 +792,71 @@ bool tdepowersave::do_suspend2ram(){
 			return false;
 		}
 	} else {
-		kdWarning() << "This machine does not provide suspend2ram via HAL" << endl;
+		kdWarning() << "This machine does not provide suspend to ram state" << endl;
 		kdDebugFuncOut(trace);
 		return false;
 	}
 }
 
 /*!
- * \b TQT_SLOT to send the command for "stand-by" to the HAL daemon.
+ * \b TQT_SLOT to send the command for "freeze" to the TDE hardware library.
+ * If there is a error while "freeze" the user get e messagebox.
+ * This function need a power management backend in TDE hardware library for "freeze".
+ * \return boolean with the result of the operation
+ * \retval true if successful
+ * \retval false if command not supported or if powersaved not running
+ */
+bool tdepowersave::do_freeze(){
+	kdDebugFuncIn(trace);
+
+	if (suspend.freeze) {
+		if (suspend.freeze_allowed || suspend.freeze_allowed == -1) {
+			calledSuspend = FREEZE;
+			if (!handleMounts(true)) {
+				kdWarning() << "Could not umount ..." << endl;
+				calledSuspend = -1;
+				kdDebugFuncOut(trace);
+				return false;
+			}
+
+			if(settings->lockOnSuspend) {
+				display->lockScreen( settings->lockmethod );
+			}
+
+			autoSuspend->stop();
+			autoDimm->stop();
+			notifySuspend(calledSuspend);
+			bool ret = hwinfo->suspend(FREEZE);
+
+			if (ret) {
+				kdDebugFuncOut(trace);
+				return true;
+			} else {
+				KPassivePopup::message( i18n("WARNING"),i18n("Freeze failed"),
+							SmallIcon("messagebox_warning", 20), this,
+							i18n("Warning").ascii(), 15000);
+				kdDebugFuncOut(trace);
+				return false;
+			}
+		} else {
+			KPassivePopup::message( i18n("WARNING"),i18n("Freeze disabled by administrator."),
+						SmallIcon("messagebox_warning", 20), this,
+						i18n("Warning").ascii(), 15000);
+			this->contextMenu()->setItemEnabled(FREEZE_MENU_ID, false);
+			kdDebugFuncOut(trace);
+			return false;
+		}
+	} else {
+		kdWarning() << "This machine does not provide freeze suspend state" << endl;
+		kdDebugFuncOut(trace);
+		return false;
+	}
+}
+
+/*!
+ * \b TQT_SLOT to send the command for "stand-by" to the TDE hardware library.
  * If there is a error while "stand-by" the user get e messagebox.
- * This function need a running HAL daemon for "stand-by".
+ * This function need a power management backend in TDE hardware library for "stand-by".
  * \return boolean with the result of the operation
  * \retval true if successful
  * \retval false if command not supported or if powersaved not running
@@ -845,7 +902,7 @@ bool tdepowersave::do_standby(){
 			return false;
 		}
 	} else {
-		kdWarning() << "This machine does not provide suspend2ram via HAL" << endl;
+		kdWarning() << "This machine does not provide standby suspend state" << endl;
 		kdDebugFuncOut(trace);
 		return false;
 	}
@@ -872,6 +929,11 @@ void tdepowersave::do_autosuspendWarn() {
 			allowed = true;
 		}
 	}
+	else if (settings->autoInactiveAction == "Freeze") {
+		if ( suspend.freeze && (suspend.freeze_allowed || suspend.freeze_allowed == -1)) {
+			allowed = true;
+		}
+	}
 	else if (settings->autoInactiveAction == "Standby") {
 		if ( suspend.standby && (suspend.standby_allowed || suspend.standby_allowed == -1)) {
 			allowed = true;
@@ -890,6 +952,8 @@ void tdepowersave::do_autosuspendWarn() {
 					countdown->setPixmap("suspend2disk");
 				} else if (settings->autoInactiveAction == "Suspend to RAM") {
 					countdown->setPixmap("suspend2ram");
+				} else if (settings->autoInactiveAction == "Freeze") {
+					countdown->setPixmap("suspend2ram");
 				} else if (settings->autoInactiveAction == "Standby") {
 					countdown->setPixmap("standby");
 				} else {
@@ -943,6 +1007,8 @@ bool tdepowersave::do_autosuspend(bool chancel) {
 				return do_suspend2disk();
 			} else if (settings->autoInactiveAction == "Suspend to RAM") {
 				return do_suspend2ram();
+			} else if (settings->autoInactiveAction == "Freeze") {
+				return do_freeze();
 			} else if (settings->autoInactiveAction == "Standby") {
 				return do_standby();
 			} else {
@@ -1389,6 +1455,7 @@ void tdepowersave::update(){
 	if (!hwinfo->isOnline()){
 		this->contextMenu()->setItemVisible(SUSPEND2DISK_MENU_ID, false);
 		this->contextMenu()->setItemVisible(SUSPEND2RAM_MENU_ID, false);
+		this->contextMenu()->setItemVisible(FREEZE_MENU_ID, false);
 		this->contextMenu()->setItemVisible(STANDBY_MENU_ID, false);
 		this->contextMenu()->setItemVisible(SLEEP_SEPARATOR_MENU_ID, false);
 		this->contextMenu()->setItemVisible(SCHEME_SEPARATOR_MENU_ID, false);
@@ -1411,6 +1478,7 @@ void tdepowersave::update(){
 		}
 		this->contextMenu()->setItemVisible(SUSPEND2DISK_MENU_ID, true);
 		this->contextMenu()->setItemVisible(SUSPEND2RAM_MENU_ID, true);
+		this->contextMenu()->setItemVisible(FREEZE_MENU_ID, true);
 		this->contextMenu()->setItemVisible(STANDBY_MENU_ID, true);
 		this->contextMenu()->setItemVisible(SLEEP_SEPARATOR_MENU_ID, true);
 		this->contextMenu()->setItemVisible(SCHEME_SEPARATOR_MENU_ID, true);
@@ -1439,6 +1507,15 @@ void tdepowersave::update(){
 				this->contextMenu()->setItemEnabled(SUSPEND2RAM_MENU_ID, false);
 		}
 
+		if (suspend.freeze && (suspend.freeze_allowed || suspend.freeze_allowed == -1)) {
+			this->contextMenu()->setItemEnabled(FREEZE_MENU_ID, true);
+		} else {
+			if (!suspend.freeze)
+				this->contextMenu()->setItemVisible(FREEZE_MENU_ID, false);
+			else
+				this->contextMenu()->setItemEnabled(FREEZE_MENU_ID, false);
+		}
+
 		if (suspend.standby && (suspend.standby_allowed || suspend.standby_allowed == -1)) {
 			this->contextMenu()->setItemEnabled(STANDBY_MENU_ID, true);
 		} else {
@@ -1840,6 +1917,11 @@ void tdepowersave::setAutoSuspend( bool resumed ){
 			allowed = true;
 		}
 	}
+	else if (settings->autoInactiveAction == "Freeze") {
+		if ( suspend.freeze && (suspend.freeze_allowed || suspend.freeze_allowed == -1)) {
+			allowed = true;
+		}
+	}
 	else if (settings->autoInactiveAction == "Standby") {
 		if ( suspend.standby && (suspend.standby_allowed || suspend.standby_allowed == -1)) {
 			allowed = true;
@@ -2071,6 +2153,9 @@ void tdepowersave::handleActionCall ( action action, int value , bool checkAC, b
 			case GO_SUSPEND2DISK:
 				TQTimer::singleShot(100, this, TQT_SLOT(do_suspend2disk()));
 				break;
+			case GO_FREEZE:
+				TQTimer::singleShot(100, this, TQT_SLOT(do_freeze()));
+				break;
 			case BRIGHTNESS:
 				hwinfo->setBrightness( -1, value );
 				break;
@@ -2192,6 +2277,11 @@ void tdepowersave::notifySuspend( int suspendType ) {
 						      i18n("System is going into %1 now.").
 						      arg(i18n("Suspend to RAM")));
 				break;
+			case FREEZE:
+				KNotifyClient::event( this->winId(), "freeze_event",
+						      i18n("System is going into %1 now.").
+						      arg(i18n("Freeze")));
+				break;
 			case STANDBY:
 				KNotifyClient::event( this->winId(), "standby_event",
 						      i18n("System is going into %1 now.").
@@ -2252,6 +2342,11 @@ void tdepowersave::handleResumeSignal() {
 					      	      i18n("System is resumed from %1.").arg(
 						      i18n("Suspend to RAM")));
 				break;
+			case FREEZE:
+				KNotifyClient::event( this->winId(), "resume_from_freeze_event",
+						      i18n("System is resumed from %1.").arg(
+						      i18n("Freeze")));
+				break;
 			case STANDBY:
 				KNotifyClient::event( this->winId(), "resume_from_standby_event",
 						      i18n("System is resumed from %1.").arg(
@@ -2301,6 +2396,10 @@ void tdepowersave::handleResumeSignal() {
 					logview = new LogViewer ("/var/log/suspend2ram.log");
 					logview->show();
 					break;
+				case FREEZE:
+					logview = new LogViewer ("/var/log/freeze.log");
+					logview->show();
+					break;
 				case STANDBY:
 					logview = new LogViewer ("/var/log/standby.log");
 					logview->show();
@@ -2368,6 +2467,9 @@ TQString tdepowersave::getSuspendString (int type) {
 		case SUSPEND2RAM:
 			return i18n("Suspend to RAM");
 			break;
+		case FREEZE:
+			return i18n("Freeze");
+			break;
 		case STANDBY:
 			return i18n("Standby");
 			break;
@@ -2517,6 +2619,9 @@ TQStringList tdepowersave::allowed_sleepingStates(){
 		    suspend.suspend2ram_allowed == -1)){
 			sleepList.append("suspendToRAM");
 		}
+		if (suspend.freeze && (suspend.freeze_allowed || suspend.freeze_allowed == -1)){
+			sleepList.append("freeze");
+		}
 		if (suspend.standby && (suspend.standby_allowed || suspend.standby_allowed == -1)){
 			sleepList.append("standBy");
 		}
@@ -2607,7 +2712,19 @@ bool tdepowersave::do_suspendToRAM(){
 }
 
 /*!
- * DCOP Interface funtion to send the suspend to disk command to powersave.
+ * DCOP Interface funtion to send the freeze command to powersave.
+ * \return boolean with the result of calling do_freeze()
+ * \retval true if successful
+ * \retval false if not supported or powersaved not running
+ */
+bool tdepowersave::do_suspendFreeze(){
+	kdDebugFuncIn(trace);
+	kdDebugFuncOut(trace);
+	return do_freeze();
+}
+
+/*!
+ * DCOP Interface funtion to send the standby command to powersave.
  * \return boolean with the result of calling do_standby()
  * \retval true if successful
  * \retval false if not supported or powersaved not running