hwmanager: use tdeio_media_mounthelper process to

mount/unmout/lock/unlock/ejct media devices.
This ensures a consistent media device status also with complex
partition structures and LUKS encryption.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

4 files changed, 53 insertions, 189 deletions

diff --git a/kcontrol/hwmanager/devicepropsdlg.cpp b/kcontrol/hwmanager/devicepropsdlg.cpp
index 1056aec57..e0f673de5 100644
--- a/kcontrol/hwmanager/devicepropsdlg.cpp
+++ b/kcontrol/hwmanager/devicepropsdlg.cpp
@@ -29,6 +29,7 @@
 #include <tqpainter.h>
 #include <tqstyle.h>
 #include <tqinternal_p.h>
+#include <kprocess.h>
 #include <dcopclient.h>
 #include <dcopref.h>
 #undef Unsorted // Required for --enable-final (tqdir.h)
@@ -253,7 +254,7 @@ void SensorDisplayWidget::updateDisplay() {
 }
 
 DevicePropertiesDialog::DevicePropertiesDialog(TDEGenericDevice* device, TQWidget *parent)
-	: KDialogBase(Plain, TQString::null, Ok|Cancel, Ok, parent, 0L, true, true), m_passDlg(NULL)
+	: KDialogBase(Plain, TQString::null, Ok|Cancel, Ok, parent, 0L, true, true)
 {
 	m_device = device;
 	enableButtonOK( false );
@@ -350,10 +351,6 @@ DevicePropertiesDialog::DevicePropertiesDialog(TDEGenericDevice* device, TQWidge
 
 DevicePropertiesDialog::~DevicePropertiesDialog()
 {
-	if (m_passDlg)
-	{
-		delete m_passDlg;
-	}
 }
 
 void DevicePropertiesDialog::processHardwareRemoved(TDEGenericDevice* dev) {
@@ -909,99 +906,49 @@ void DevicePropertiesDialog::setHibernationMethod(int value) {
 void DevicePropertiesDialog::mountDisk() {
 	TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(m_device);
 
-	// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-	DCOPRef mediamanager("kded", "mediamanager");
-	DCOPReply reply = mediamanager.call("mountByNode", sdevice->deviceNode());
-	TQStringVariantMap mountResult;
-	if (reply.isValid()) {
-		reply.get(mountResult);
-	}
-	if (!mountResult.contains("result") || mountResult["result"].toBool() == false) {
-		// Mount failed!
-		TQString errStr = mountResult.contains("errStr") ? mountResult["errStr"].toString() : i18n("Unable to mount the device.");
-		KMessageBox::error(this, "<qt>" +  errStr + "</qt>", i18n("Mount failed"));
+	TDEProcess proc;
+	proc << "tdeio_media_mounthelper" << "-m" << sdevice->deviceNode();
+	if (!proc.start(TDEProcess::DontCare))
+	{
+		KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+				i18n("Device monitor"));
 	}
-
-	populateDeviceInformation();
 }
 
 void DevicePropertiesDialog::unmountDisk() {
 	TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(m_device);
 
-	// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-	DCOPRef mediamanager("kded", "mediamanager");
-	DCOPReply reply = mediamanager.call("unmountByNode", sdevice->deviceNode());
-	TQStringVariantMap unmountResult;
-	if (reply.isValid()) {
-		reply.get(unmountResult);
-	}
-	if (!unmountResult.contains("result") || unmountResult["result"].toBool() == false) {
-		// Unmount failed!
-		TQString errStr = unmountResult.contains("errStr") ? unmountResult["errStr"].toString() : i18n("Unable to unmount the device.");
-		KMessageBox::error(this, "<qt>" +  errStr + "</qt>", i18n("Unmount failed"));
-	}
-
-	populateDeviceInformation();
-}
-
-void DevicePropertiesDialog::unlockDisk() {
-	TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(m_device);
-
-	if (!m_passDlg)
+	TDEProcess proc;
+	proc << "tdeio_media_mounthelper" << "-u" << sdevice->deviceNode();
+	if (!proc.start(TDEProcess::DontCare))
 	{
-		m_passDlg = new PasswordDlg();
-		connect(m_passDlg, TQT_SIGNAL(user1Clicked()), this, TQT_SLOT(doUnlockDisk()));
+		KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+				i18n("Device monitor"));
 	}
-	m_passDlg->setDevice(sdevice->deviceNode());
-	m_passDlg->clearPassword();
-	m_passDlg->show();
 }
 
-void DevicePropertiesDialog::doUnlockDisk() {
+void DevicePropertiesDialog::unlockDisk() {
 	TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(m_device);
 
-	// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-	DCOPRef mediamanager("kded", "mediamanager");
-	DCOPReply reply = mediamanager.call("unlockByNode", sdevice->deviceNode(), m_passDlg->getPassword());
-	TQStringVariantMap unlockResult;
-	if (reply.isValid()) {
-		reply.get(unlockResult);
-	}
-	if (!unlockResult.contains("result") || !unlockResult["result"].toBool())
+	TDEProcess proc;
+	proc << "tdeio_media_mounthelper" << "-k" << sdevice->deviceNode();
+	if (!proc.start(TDEProcess::DontCare))
 	{
-		TQString errStr = unlockResult.contains("errStr") ? unlockResult["errStr"].toString() : TQString::null;
-		if (errStr.isEmpty())
-		{
-			errStr = i18n("<qt>Unable to unlock the device.<p>Potential reasons include:<br>Wrong password "
-					          "and/or user privilege level.<br>Corrupt data on storage device.</qt>");
-		}
-		KMessageBox::error(this, errStr, i18n("Unlock failed"));
-		m_passDlg->clearPassword();
-	}
-	else {
-		m_passDlg->hide();
+		KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+				i18n("Device monitor"));
 	}
-
-	populateDeviceInformation();
 }
 
 void DevicePropertiesDialog::lockDisk() {
 	TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(m_device);
 
-	// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-	DCOPRef mediamanager("kded", "mediamanager");
-	DCOPReply reply = mediamanager.call("lockByNode", sdevice->deviceNode(), true);
-	TQStringVariantMap lockResult;
-	if (reply.isValid()) {
-		reply.get(lockResult);
-	}
-	if (!lockResult.contains("result") || lockResult["result"].toBool() == false) {
-		// Lock failed!
-		TQString errStr = lockResult.contains("errStr") ? lockResult["errStr"].toString() : i18n("Unable to lock the device.");
-		KMessageBox::error(this, "<qt>" +  errStr + "</qt>", i18n("Lock failed"));
+	TDEProcess proc;
+	proc << "tdeio_media_mounthelper" << "-l" << sdevice->deviceNode();
+	if (!proc.start(TDEProcess::DontCare))
+	{
+		KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+				i18n("Device monitor"));
 	}
-
-	populateDeviceInformation();
 }
 
 void DevicePropertiesDialog::cryptLUKSAddKey() {
diff --git a/kcontrol/hwmanager/devicepropsdlg.h b/kcontrol/hwmanager/devicepropsdlg.h
index 50fd1cac1..a1f46e563 100644
--- a/kcontrol/hwmanager/devicepropsdlg.h
+++ b/kcontrol/hwmanager/devicepropsdlg.h
@@ -191,7 +191,6 @@ private slots:
 	void mountDisk();
 	void unmountDisk();
 	void unlockDisk();
-	void doUnlockDisk();
 	void lockDisk();
 
 	void cryptLUKSAddKey();
@@ -207,7 +206,6 @@ private slots:
 private:
 	TDEGenericDevice* m_device;
 	DevicePropertiesDialogBase* base;
-	PasswordDlg *m_passDlg;
 
 	TQGridLayout* m_sensorDataGrid;
 	SensorDisplayWidgetList m_sensorDataGridWidgets;
diff --git a/kcontrol/hwmanager/hwdevicetray.cpp b/kcontrol/hwmanager/hwdevicetray.cpp
index 5b7f51558..350433b71 100644
--- a/kcontrol/hwmanager/hwdevicetray.cpp
+++ b/kcontrol/hwmanager/hwdevicetray.cpp
@@ -33,6 +33,7 @@
 #include <kdebug.h>
 #include <khelpmenu.h>
 #include <kiconloader.h>
+#include "kprocess.h"
 #include <tdelocale.h>
 #include <tdepopupmenu.h>
 #include <kstdaction.h>
@@ -54,7 +55,7 @@
 #include "hwdevicetray.h"
 
 HwDeviceSystemTray::HwDeviceSystemTray(TQWidget* parent, const char *name)
-	: KSystemTray(parent, name), m_passDlg(NULL)
+	: KSystemTray(parent, name)
 {
 	// Create notifier
 	m_hardwareNotifierContainer = new TDEPassivePopupStackContainer();
@@ -99,10 +100,6 @@ HwDeviceSystemTray::HwDeviceSystemTray(TQWidget* parent, const char *name)
 HwDeviceSystemTray::~HwDeviceSystemTray()
 {
 	delete m_hardwareNotifierContainer;
-	if (m_passDlg)
-	{
-		delete m_passDlg;
-	}
 }
 
 /*!
@@ -440,21 +437,13 @@ void HwDeviceSystemTray::slotMountDevice(int parameter)
 			{
 				if (sdevice->mountPath().isEmpty())
 				{
-					// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-					DCOPRef mediamanager("kded", "mediamanager");
-					DCOPReply reply = mediamanager.call("mountByNode", sdevice->deviceNode());
-					TQStringVariantMap mountResult;
-					if (reply.isValid())
-					{
-						reply.get(mountResult);
-					}
-					if (!mountResult.contains("result") || mountResult["result"].toBool() == false)
+					TDEProcess proc;
+					proc << "tdeio_media_mounthelper" << "-m" << sdevice->deviceNode();
+					if (!proc.start(TDEProcess::DontCare))
 					{
-						// Mount failed!
-						TQString errStr = mountResult.contains("errStr") ? mountResult["errStr"].toString() : i18n("Unable to mount the device.");
-						KMessageBox::error(0, "<qt>" +  errStr + "</qt>", i18n("Mount failed"));
+						KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+								i18n("Device monitor"));
 					}
-					return;
 				}
 			}
 		}
@@ -475,21 +464,13 @@ void HwDeviceSystemTray::slotUnmountDevice(int parameter)
 			{
 				if (!sdevice->mountPath().isEmpty())
 				{
-					// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-					DCOPRef mediamanager("kded", "mediamanager");
-					DCOPReply reply = mediamanager.call("unmountByNode", sdevice->deviceNode());
-					TQStringVariantMap unmountResult;
-					if (reply.isValid())
+					TDEProcess proc;
+					proc << "tdeio_media_mounthelper" << "-u" << sdevice->deviceNode();
+					if (!proc.start(TDEProcess::DontCare))
 					{
-						reply.get(unmountResult);
+						KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+								i18n("Device monitor"));
 					}
-					if (!unmountResult.contains("result") || unmountResult["result"].toBool() == false)
-					{
-						// Unmount failed!
-						TQString errStr = unmountResult.contains("errStr") ? unmountResult["errStr"].toString() : i18n("Unable to unmount the device.");
-						KMessageBox::error(0, "<qt>" +  errStr + "</qt>", i18n("Unmount failed"));
-					}
-					return;
 				}
 			}
 		}
@@ -508,57 +489,13 @@ void HwDeviceSystemTray::slotUnlockDevice(int parameter)
 			TDEStorageDevice *sdevice = static_cast<TDEStorageDevice*>(hwdevice);
 			if ((sdevice->diskUUID() == uuid) || (sdevice->systemPath() == uuid))
 			{
-				if (!m_passDlg)
+				TDEProcess proc;
+				proc << "tdeio_media_mounthelper" << "-k" << sdevice->deviceNode();
+				if (!proc.start(TDEProcess::DontCare))
 				{
-					m_passDlg = new PasswordDlg();
-					connect(m_passDlg, TQT_SIGNAL(user1Clicked()), this, TQT_SLOT(doUnlockDisk()));
+					KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+							i18n("Device monitor"));
 				}
-				m_passDlg->setDevice(sdevice->deviceNode());
-				m_passDlg->index = parameter;
-				m_passDlg->clearPassword();
-				m_passDlg->show();
-				return;
-			}
-		}
-	}
-}
-
-void HwDeviceSystemTray::doUnlockDisk()
-{
-	TQString uuid = m_unlockMenuIndexMap[m_passDlg->index];
-	if (!uuid.isEmpty())
-	{
-		TDEHardwareDevices *hwdevices = TDEGlobal::hardwareDevices();
-		TDEGenericHardwareList diskDeviceList = hwdevices->listByDeviceClass(TDEGenericDeviceType::Disk);
-		for (TDEGenericDevice *hwdevice = diskDeviceList.first(); hwdevice; hwdevice = diskDeviceList.next())
-		{
-			TDEStorageDevice *sdevice = static_cast<TDEStorageDevice*>(hwdevice);
-			if ((sdevice->diskUUID() == uuid) || (sdevice->systemPath() == uuid))
-			{
-				// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-				DCOPRef mediamanager("kded", "mediamanager");
-				DCOPReply reply = mediamanager.call("unlockByNode", sdevice->deviceNode(), m_passDlg->getPassword());
-				TQStringVariantMap unlockResult;
-				if (reply.isValid())
-				{
-					reply.get(unlockResult);
-				}
-				if (!unlockResult.contains("result") || !unlockResult["result"].toBool())
-				{
-					TQString errStr = unlockResult.contains("errStr") ? unlockResult["errStr"].toString() : TQString::null;
-					if (errStr.isEmpty())
-					{
-						errStr = i18n("<qt>Unable to unlock the device.<p>Potential reasons include:<br>Wrong password "
-								"and/or user privilege level.<br>Corrupt data on storage device.</qt>");
-					}
-					KMessageBox::error(0, errStr, i18n("Unlock failed"));
-					m_passDlg->clearPassword();
-				}
-				else
-				{
-					m_passDlg->hide();
-				}
-				return;
 			}
 		}
 	}
@@ -576,22 +513,14 @@ void HwDeviceSystemTray::slotLockDevice(int parameter)
 			TDEStorageDevice *sdevice = static_cast<TDEStorageDevice*>(hwdevice);
 			if ((sdevice->diskUUID() == uuid) || (sdevice->systemPath() == uuid))
 			{
-				// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-				DCOPRef mediamanager("kded", "mediamanager");
-				DCOPReply reply = mediamanager.call("lockByNode", sdevice->deviceNode(), true);
-				TQStringVariantMap lockResult;
-				if (reply.isValid())
-				{
-					reply.get(lockResult);
-				}
-				if (!lockResult.contains("result") || lockResult["result"].toBool() == false)
+				TDEProcess proc;
+				proc << "tdeio_media_mounthelper" << "-l" << sdevice->deviceNode();
+				if (!proc.start(TDEProcess::DontCare))
 				{
-					// Lock failed!
-					TQString errStr = lockResult.contains("errStr") ? lockResult["errStr"].toString() : i18n("Unable to lock the device.");
-					KMessageBox::error(0, "<qt>" +  errStr + "</qt>", i18n("Lock failed"));
+					KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+							    i18n("Device monitor"));
 				}
-				return;
-			}
+		  }
 		}
 	}
 }
@@ -608,21 +537,13 @@ void HwDeviceSystemTray::slotEjectDevice(int parameter)
 			TDEStorageDevice *sdevice = static_cast<TDEStorageDevice*>(hwdevice);
 			if ((sdevice->diskUUID() == uuid) || (sdevice->systemPath() == uuid))
 			{
-				// Use DCOP call instead of a tdehw call for consistent behavior across TDE
-				DCOPRef mediamanager("kded", "mediamanager");
-				DCOPReply reply = mediamanager.call("ejectByNode", sdevice->deviceNode());
-				TQStringVariantMap ejectResult;
-				if (reply.isValid())
+				TDEProcess proc;
+				proc << "tdeio_media_mounthelper" << "-e" << sdevice->deviceNode();
+				if (!proc.start(TDEProcess::DontCare))
 				{
-					reply.get(ejectResult);
+					KMessageBox::error(this, i18n("Could not start tdeio_media_mounthelper process."),
+							    i18n("Device monitor"));
 				}
-				if (!ejectResult.contains("result") || ejectResult["result"].toBool() == false)
-				{
-					// Eject failed!
-					TQString errStr = ejectResult.contains("errStr") ? ejectResult["errStr"].toString() : i18n("Unable to eject the device.");
-					KMessageBox::error(0, "<qt>" +  errStr + "</qt>", i18n("Eject failed"));
-				}
-				return;
 			}
 		}
 	}
diff --git a/kcontrol/hwmanager/hwdevicetray.h b/kcontrol/hwmanager/hwdevicetray.h
index 1300ac6ec..ad7f46ca5 100644
--- a/kcontrol/hwmanager/hwdevicetray.h
+++ b/kcontrol/hwmanager/hwdevicetray.h
@@ -74,7 +74,6 @@ private slots:
 	void deviceRemoved(TDEGenericDevice*);
 	void deviceChanged(TDEGenericDevice*);
 	void devicePopupClicked(KPassivePopup*, TQPoint, TQString);
-	void doUnlockDisk();
 	void doDiskNotifications(bool scanOnly);
 
 private:
@@ -99,7 +98,6 @@ private:
 	TQStringMap m_propertiesMenuIndexMap;
 	TDEPopupMenu* m_menu;
 	KSimpleConfig *r_config;
-	PasswordDlg *m_passDlg;
 
 	struct KnownDiskDeviceInfo
 	{