--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swi/source/daemon/drivewatcher.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,130 @@
+/*
+* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+*
+*/
+
+
+#include "drivewatcher.h"
+#include "log.h"
+
+namespace Swi
+{
+// CDriveWatcher
+_LIT(KNotificationDirectory,"mediachange\\");
+
+/*static*/ CDriveWatcher* CDriveWatcher::NewL(RFs& aFs, TInt aDrive, 
+												MDriveObserver& aObserver,
+							 					TInt aPriority)
+	{
+	CDriveWatcher* self=NewLC(aFs, aDrive, aObserver, aPriority);
+	CleanupStack::Pop(self);
+	return self;
+	}
+	
+/*static*/ CDriveWatcher* CDriveWatcher::NewLC(RFs& aFs, TInt aDrive, 
+												MDriveObserver& aObserver,
+							 					TInt aPriority)
+	{
+	CDriveWatcher* self=new(ELeave) CDriveWatcher(aFs, aDrive, aObserver, aPriority);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	return self;	
+	}
+	
+CDriveWatcher::~CDriveWatcher()
+	{
+	Cancel();
+	}
+
+CDriveWatcher::CDriveWatcher(RFs& aFs, TInt aDrive, MDriveObserver& aObserver,
+							 TInt aPriority)
+	: CActive(aPriority), iFs(aFs), iDrive(aDrive), iObserver(aObserver)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CDriveWatcher::ConstructL()
+	{
+	// Notify observer of media change since we're beginning from an unknown state
+	NotifyMediaChange();
+	
+	// Start watching for changes
+	WaitForChangeL();
+	}
+
+void CDriveWatcher::DoCancel()
+	{
+	iFs.NotifyChangeCancel(iStatus);
+	}
+
+TBool CDriveWatcher::IsMediaPresentL()
+	{
+	TVolumeInfo volumeInfo;
+	TInt err=iFs.Volume(volumeInfo, iDrive);
+	
+	switch (err)
+		{
+		case KErrNotReady: // No Media present
+			{
+			return EFalse;	
+			}
+			
+		case KErrNone: // Media Present
+			{
+			return ETrue;
+			}
+		}
+
+	User::Leave(err);	
+	return ETrue;	// Will never get here.
+	}
+
+void CDriveWatcher::NotifyMediaChange()
+	{
+	// Unsuccessful media change is not fatal, so handle here
+	TRAPD(err,iObserver.MediaChangeL(iDrive, IsMediaPresentL() ? MDriveObserver::EMediaInserted : MDriveObserver::EMediaRemoved));
+
+	if (err != KErrNone)
+		{
+	    DEBUG_PRINTF2(_L8("SWI Daemon - Media change notification failed with code %d"), err);
+		}
+	}
+	
+void CDriveWatcher::RunL()
+	{
+	NotifyMediaChange();
+			
+	WaitForChangeL();
+	}
+
+void CDriveWatcher::WaitForChangeL()
+	{
+	TChar drive;
+	User::LeaveIfError(iFs.DriveToChar(iDrive, drive));
+	TUint driveChar(drive); // Can't pass TChar to Format().
+	
+	TPath notificationPath;
+	TPath privatePath;
+	_LIT(KNotificationPathFormat,"%c:%S%S");
+	User::LeaveIfError(iFs.PrivatePath(privatePath));
+
+	notificationPath.Format(KNotificationPathFormat, driveChar, &privatePath, &KNotificationDirectory);	
+	
+	iFs.NotifyChange(ENotifyEntry, iStatus, notificationPath);
+
+	SetActive();
+	}
+	
+}