diff -r 000000000000 -r 1e05558e2206 usbengines/usbwatcher/src/cusbdevicelock.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbwatcher/src/cusbdevicelock.cpp	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,212 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Implements device lock feature in case of USB
+*
+*/
+
+
+#include <featmgr.h>
+#include <bldvariant.hrh>
+
+#include <e32base.h>
+#include <e32property.h>
+#include <coreapplicationuisdomainpskeys.h>
+#include <e32property.h>
+
+#include "debug.h"
+#include "cusbdevicelock.h"
+#include "cusbwatcher.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ----------------------------------------------------------------------------
+// C++ constructor
+// ----------------------------------------------------------------------------
+//
+CUsbDeviceLock::CUsbDeviceLock( CUsbWatcher& aOwner )
+    : CActive( EPriorityNormal )
+    , iOwner( aOwner )
+    {
+    LOG_FUNC
+
+    CActiveScheduler::Add(this);
+    }
+
+// ----------------------------------------------------------------------------
+// Destructor
+// ----------------------------------------------------------------------------
+//
+CUsbDeviceLock::~CUsbDeviceLock()
+    {
+    LOG_FUNC
+
+    if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) )
+        {
+        Cancel();
+        iProperty.Close();
+        }
+
+    FeatureManager::UnInitializeLib();
+    }
+
+// ----------------------------------------------------------------------------
+// Two-phased constructor.
+// ----------------------------------------------------------------------------
+//
+CUsbDeviceLock* CUsbDeviceLock::NewL( CUsbWatcher& aOwner )
+    {
+    LOG_FUNC
+
+    CUsbDeviceLock* self = new ( ELeave ) CUsbDeviceLock( aOwner );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop(); // pop self
+    return self;
+    }
+
+// ----------------------------------------------------------------------------
+// Symbian 2nd phase constructor can leave.
+// ----------------------------------------------------------------------------
+//
+void CUsbDeviceLock::ConstructL()
+    {
+    LOG_FUNC
+
+    FeatureManager::InitializeLibL();
+
+    if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) )
+        {
+        LEAVEIFERROR( iProperty.Attach( KPSUidCoreApplicationUIs,
+            KCoreAppUIsAutolockStatus ) );
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// Subscribes to P&S property.
+// ----------------------------------------------------------------------------
+//
+void CUsbDeviceLock::Subscribe()
+    {
+    LOG_FUNC
+
+    if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) )
+        {
+        if ( !IsActive() )
+            {
+            iProperty.Subscribe( iStatus );
+            SetActive();
+            }
+        else
+            {
+            LOG( "ERROR: request exists" );
+            }
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// Get device lock state.
+// ----------------------------------------------------------------------------
+//
+TBool CUsbDeviceLock::Locked()
+    {
+    LOG_FUNC
+
+    TInt command;
+    if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) )
+        {
+        TInt err = iProperty.Get( command );
+        if(  KErrNone == err )
+            {
+            LOG1( "Autolock status = %d", command );
+            if( EAutolockOff == command )
+                {
+                LOG("Device UNLOCKED" );
+                return EFalse;
+                }
+            else
+                {
+                LOG( "Device LOCKED"  );
+                }
+            }
+        else
+            {
+            LOG1( "ERROR: RProperty::Get = %d", err );
+            }
+
+        return ETrue;
+        }
+
+    return EFalse;
+    }
+
+// ----------------------------------------------------------------------------
+// Standard active object error function.
+// ----------------------------------------------------------------------------
+//
+TInt CUsbDeviceLock::RunError( TInt /*aError*/ )
+    {
+    LOG_FUNC
+
+    return KErrNone;
+    }
+
+// ----------------------------------------------------------------------------
+// When device lock state changes this method is executed.
+// ----------------------------------------------------------------------------
+//
+void CUsbDeviceLock::RunL()
+    {
+    LOG_FUNC
+    LOG1( "iStatus: %d", iStatus.Int() );
+    Subscribe();
+    TInt command = EAutolockStatusUninitialized;
+    TInt err = iProperty.Get( command );
+    if ( err == KErrNone )
+        {
+        LOG1( "Autolock status: %d", command );
+        switch ( command )
+            {
+            case EAutolockOff:
+                iOwner.Unlock();
+                break;
+            case ERemoteLocked:
+                iOwner.Lock();
+                break;
+            default:
+                LOG1( "Unhandled state: %d",  command );
+                break;
+            }
+        }
+    else
+        {
+        LOG1( "RProperty::Get ERROR %d", err );
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CUsbMediaWatcher::CUsbDeviceLock::DoCancel
+// Basic DoCancel.
+// ----------------------------------------------------------------------------
+//
+void CUsbDeviceLock::DoCancel()
+    {
+    LOG_FUNC
+
+    if( FeatureManager::FeatureSupported( KFeatureIdUsbDeviceLock ) )
+        {
+        iProperty.Cancel();
+        }
+    }
+
+// End if file