videocollection/mpxmyvideoscollection/src/vcxmyvideosdrivemonitor.cpp
changeset 0 96612d01cf9f
child 15 cf5481c2bc0b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videocollection/mpxmyvideoscollection/src/vcxmyvideosdrivemonitor.cpp	Mon Jan 18 20:21:12 2010 +0200
@@ -0,0 +1,908 @@
+/*
+* Copyright (c) 2007 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 FILES
+#include <mpxlog.h>
+#include <vcxmyvideosdefs.h>
+#include "vcxmyvideosdrivemonitor.h"
+#include "vcxmyvideosdrivemonitorevent.h"
+#include <bldvariant.hrh>
+#include <driveinfo.h> //multiple drive stuff
+#include <centralrepository.h>
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES  
+
+// CONSTANTS
+#ifdef _DEBUG
+_LIT( KVcxMyVideosMediaNotPresentDes, "EMediaNotPresent");
+_LIT( KVcxMyVideosMediaUnknownDes, "EMediaUnknown");
+_LIT( KVcxMyVideosMediaFloppyDes, "EMediaFloppy");
+_LIT( KVcxMyVideosMediaHardDiskDes, "EMediaHardDisk");
+_LIT( KVcxMyVideosMediaCdRomDes, "EMediaCdRom");
+_LIT( KVcxMyVideosMediaRamDes, "EMediaRam");
+_LIT( KVcxMyVideosMediaFlashDes, "EMediaFlash");
+_LIT( KVcxMyVideosMediaRomDes, "EMediaRom");
+_LIT( KVcxMyVideosMediaRemoteDes, "EMediaRemote");
+_LIT( KVcxMyVideosMediaNANDFlashDes, "EMediaNANDFlash");
+#endif
+
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::CVcxMyVideosDriveMonitor
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CVcxMyVideosDriveMonitor::CVcxMyVideosDriveMonitor()
+: CActive( EPriorityStandard )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::ConstructL( const RFs& aFileSession )
+    {
+    iFs                  = aFileSession;
+    iIfsIsProvidedByUser = ETrue;
+   
+    ConstructL();    
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::ConstructL()
+    {
+    iObservers.Reset();
+    iAvailableDrives.Reset();
+    iPreviousAvailableDrives.Reset();
+    
+    if ( !iIfsIsProvidedByUser )
+        {
+        User::LeaveIfError( iFs.Connect() );
+        }
+        
+    CActiveScheduler::Add( this );
+    RefreshAvailableDrivesL();
+
+#if 0
+    MPX_DEBUG2("CVcxMyVideosDriveMonitor:: PhoneMemoryDrive() returns %d",
+        PhoneMemoryDrive());
+#endif
+    MPX_DEBUG2("CVcxMyVideosDriveMonitor:: MemoryCardDrive() returns %d",
+        MemoryCardDrive());
+    MPX_DEBUG2("CVcxMyVideosDriveMonitor:: MassStorageDrive() returns %d",
+        MassStorageDrive());
+#if 0
+    MPX_DEBUG2("CVcxMyVideosDriveMonitor:: FixedDrive(c-drive excluded) returns %d",
+        FixedDrive( ETrue ));
+#endif
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CVcxMyVideosDriveMonitor* CVcxMyVideosDriveMonitor::NewL()
+    {
+    CVcxMyVideosDriveMonitor* self = new( ELeave ) CVcxMyVideosDriveMonitor();
+        
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop(self);
+
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CVcxMyVideosDriveMonitor* CVcxMyVideosDriveMonitor::NewL( const RFs& aFileSession )
+    {
+    CVcxMyVideosDriveMonitor* self = new( ELeave ) CVcxMyVideosDriveMonitor();
+        
+    CleanupStack::PushL( self );
+    self->ConstructL( aFileSession );
+    CleanupStack::Pop(self);
+
+    return self;
+    }
+    
+// Destructor
+CVcxMyVideosDriveMonitor::~CVcxMyVideosDriveMonitor()
+    {
+    iObservers.Close();
+    iAvailableDrives.Close();
+    iPreviousAvailableDrives.Close();
+    Cancel();
+    
+    if ( !iIfsIsProvidedByUser )
+        {
+        iFs.Close();
+        }
+    }
+
+#if 0 // not used in mpx my videos collection
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::RegisterObserverL
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::RegisterObserverL( MVcxMyVideosDriveMonitorObserver* aObserver )
+    {
+    iObservers.AppendL( aObserver );
+
+    if ( !IsActive() )
+        {
+        iFs.NotifyChange( ENotifyDisk, iStatus );
+        SetActive();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::RemoveObserverL
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::RemoveObserverL( MVcxMyVideosDriveMonitorObserver* aObserver )
+    {
+    TInt i;
+    for ( i = 0; i < iObservers.Count(); i++ )
+        {
+        if ( aObserver == iObservers[i] )
+            {
+            iObservers.Remove( i );
+            iObservers.Compress();
+            break;
+            }
+        }
+        
+    if ( iObservers.Count() == 0 )
+        {
+        iFs.NotifyChangeCancel();
+        }    
+    }
+#endif
+
+/*
+N96 without memory card:
+26/09/2007	11:37:22	CIptvDriveMonitor:: drive[2]: type = EMediaNANDFlash
+26/09/2007	11:37:22	CIptvDriveMonitor::           MediaAtt flags = 104 DriveAtt flags = 11
+26/09/2007	11:37:22	CIptvDriveMonitor:: drive[3]: type = EMediaRam
+26/09/2007	11:37:22	CIptvDriveMonitor::           MediaAtt flags = 5 DriveAtt flags = 11
+26/09/2007	11:37:22	CIptvDriveMonitor:: drive[4]: type = EMediaHardDisk
+26/09/2007	11:37:22	CIptvDriveMonitor::           MediaAtt flags = 14 DriveAtt flags = 21
+26/09/2007	11:37:22	CIptvDriveMonitor:: drive[5]: type = EMediaNotPresent
+26/09/2007	11:37:22	CIptvDriveMonitor::           MediaAtt flags = 0 DriveAtt flags = 21
+26/09/2007	11:37:22	CIptvDriveMonitor:: drive[25]: type = EMediaRom
+26/09/2007	11:37:22	CIptvDriveMonitor::           MediaAtt flags = 8 DriveAtt flags = 12
+
+N96 with memory card:
+27/09/2007	6:01:07	CIptvDriveMonitor:: drive[2]: type = EMediaNANDFlash
+27/09/2007	6:01:07	CIptvDriveMonitor::           MediaAtt flags = 104 DriveAtt flags = 11
+27/09/2007	6:01:07	CIptvDriveMonitor:: drive[3]: type = EMediaRam
+27/09/2007	6:01:07	CIptvDriveMonitor::           MediaAtt flags = 5 DriveAtt flags = 11
+27/09/2007	6:01:07	CIptvDriveMonitor:: drive[4]: type = EMediaHardDisk
+27/09/2007	6:01:07	CIptvDriveMonitor::           MediaAtt flags = 14 DriveAtt flags = 21
+27/09/2007	6:01:07	CIptvDriveMonitor:: drive[5]: type = EMediaHardDisk
+27/09/2007	6:01:07	CIptvDriveMonitor::           MediaAtt flags = 14 DriveAtt flags = 21
+27/09/2007	6:01:07	CIptvDriveMonitor:: drive[25]: type = EMediaRom
+27/09/2007	6:01:07	CIptvDriveMonitor::           MediaAtt flags = 8 DriveAtt flags = 12
+
+N95:
+
+N95 8GB:
+
+*/
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::RefreshAvailableDrivesL
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::RefreshAvailableDrivesL()
+    {
+    MPX_FUNC("CVcxMyVideosDriveMonitor::RefreshAvailableDrivesL()");
+    
+    TDriveList driveList;
+    User::LeaveIfError( iFs.DriveList( driveList ) );
+
+    iPreviousAvailableDrives.Reset();
+    TInt i;
+    for ( i = 0; i < iAvailableDrives.Count(); i++ )
+        {
+        iPreviousAvailableDrives.Append( iAvailableDrives[i] );
+        }
+            
+    iAvailableDrives.Reset();
+    
+    for ( i = 0; i < driveList.Length(); i++ )
+        {
+        if ( driveList[i] != 0 && i != EDriveY ) // N95 8GB has a 1MB small flash drive at y-drive, rule it out
+            {
+            TDriveInfo driveInfo;
+            User::LeaveIfError( iFs.Drive( driveInfo, i ) );
+            
+            /*
+            From e32cost.h:
+            const TUint KMediaAttVariableSize   = 0x01;
+            const TUint KMediaAttDualDensity    = 0x02;
+            const TUint KMediaAttFormattable    = 0x04;
+            const TUint KMediaAttWriteProtected = 0x08;
+            const TUint KMediaAttLockable       = 0x10;
+            const TUint KMediaAttLocked         = 0x20;
+            const TUint KMediaAttHasPassword    = 0x40;
+            const TUint KMediaAttReadWhileWrite = 0x80;
+            const TUint KMediaAttDeleteNotify   = 0x100;
+            
+            The drive attributes.    
+            
+            const TUint KDriveAttLocal          = 0x01;
+            const TUint KDriveAttRom            = 0x02;
+            const TUint KDriveAttRedirected     = 0x04;
+            const TUint KDriveAttSubsted        = 0x08;
+            const TUint KDriveAttInternal       = 0x10;
+            const TUint KDriveAttRemovable      = 0x20;
+            const TUint KDriveAttRemote         = 0x40;
+            const TUint KDriveAttTransaction    = 0x80;
+            */
+
+            MPX_DEBUG3("CVcxMyVideosDriveMonitor:: drive[%d]: type = %S",
+                    i, &DriveTypeDes( driveInfo.iType ));
+
+            MPX_DEBUG3(
+                "CVcxMyVideosDriveMonitor::           MediaAtt flags = %x DriveAtt flags = %x",
+                    driveInfo.iMediaAtt,
+                    driveInfo.iDriveAtt );
+
+#ifdef __WINSCW__
+            // (2) c-drive is EMediaRam
+            // (3) d-drive is EMediaHardDisk
+            // (4) e-drive is EMediaHardDisk or EMediaNotPresent
+            // (25) z-drive is EMediaRom
+            if ( (driveInfo.iType == EMediaRam) ||                                     // c
+                 ((driveInfo.iType == EMediaHardDisk) && i != EDriveD /* skip d */) || // e
+                 (driveInfo.iType == EMediaNANDFlash) ||                               // nothing
+                 (driveInfo.iType == EMediaNotPresent) )                               // e
+#else
+            // (2) c-drive is EMediaNANDFlash
+            // (3) d-drive is EMediaRam
+            // (4) e-drive is EMediaHardDisk or EMediaNotPresent
+            // (5) f-drive is EMediaHardDisk or EMediaNotPresent
+            // (25) z-drive is EMediaRom
+            if ( (driveInfo.iType == EMediaHardDisk) ||  // e,f
+                 (driveInfo.iType == EMediaNANDFlash) || // c
+                 (driveInfo.iType == EMediaNotPresent) ) // e,f
+#endif // __WINSCW__
+                {                
+                if ( !(driveInfo.iMediaAtt & KMediaAttWriteProtected) &&
+                      (driveInfo.iDriveAtt & KDriveAttLocal) )
+                    {
+                    TVcxMyVideosDriveInfo iptvDriveInfo;
+                    TVolumeInfo volumeInfo;
+                    TChar ch;
+
+                    iFs.DriveToChar( i, ch );
+
+                    iptvDriveInfo.iDrive     = i;
+                    iptvDriveInfo.iDriveChar = ch;
+                    iptvDriveInfo.iType      = driveInfo.iType;
+
+                    TUint driveStatus;
+                    TInt err = DriveInfo::GetDriveStatus( iFs, i, driveStatus );
+                    if ( err == KErrNone )
+                        {
+                        if ( driveStatus & DriveInfo::EDriveRemovable )
+                            {
+                            iptvDriveInfo.iFlags |= TVcxMyVideosDriveInfo::ERemovable;
+                            }
+                        }
+
+                    TInt massStorageDrive;
+                    err = DriveInfo::GetDefaultDrive( DriveInfo::EDefaultMassStorage,
+                                                      massStorageDrive );
+                    if ( err == KErrNone )
+                        {
+                        if ( i == massStorageDrive )
+                            {
+                            iptvDriveInfo.iFlags |= TVcxMyVideosDriveInfo::EMassStorage;
+                            }                        
+                        }
+
+                    if ( driveInfo.iMediaAtt & KMediaAttLocked )
+                        {
+                        iptvDriveInfo.iFlags |= TVcxMyVideosDriveInfo::ELocked;
+                        }
+                    if ( driveInfo.iType == EMediaNotPresent )
+                        {
+                        iptvDriveInfo.iFlags |= TVcxMyVideosDriveInfo::EMediaNotPresent;
+                        }
+
+                    // When mass storage mode is activated while application is running,
+                    // the only hint about that is the TVolumeInfo not being available. 
+                    // Therefore we mark drive as EMediaNotPresent if that structure
+                    // is not available.
+                    if ( iFs.Volume( volumeInfo, i ) != KErrNone )
+                        {
+                        iptvDriveInfo.iFlags |= TVcxMyVideosDriveInfo::EMediaNotPresent;
+                        iptvDriveInfo.iVolumeName.Zero();
+                        }
+                    else
+                        {
+                        iptvDriveInfo.iVolumeName = volumeInfo.iName;
+                        }
+
+                    if ( iptvDriveInfo.iFlags & TVcxMyVideosDriveInfo::EMediaNotPresent )
+                        {
+                        iptvDriveInfo.iFlags |= TVcxMyVideosDriveInfo::ERemovable;
+                        }
+
+                    iAvailableDrives.AppendL( iptvDriveInfo );
+                    }
+                }
+            }
+        } // for
+
+    // if e and f-drives are available, then c-drive is removed from the available drives list
+    if ( ArrayPos( EDriveE ) != KErrNotFound &&
+         ArrayPos( EDriveF ) != KErrNotFound )
+        {
+        TInt cDrivePos = ArrayPos( EDriveC );
+        if ( cDrivePos != KErrNotFound )
+            {
+            MPX_DEBUG1(
+                "CIptvDriveMonitor:: e & f-drives available -> removing c from available drives");
+            iAvailableDrives.Remove( cDrivePos );
+            iAvailableDrives.Compress();
+            }
+        }    
+    }
+    
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::ArrayPos
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::ArrayPos( TInt aDrive )
+    {
+    TInt i;
+    for (i = 0; i < iAvailableDrives.Count(); i++ )
+        {
+        if ( iAvailableDrives[i].iDrive == aDrive )
+            {
+            return i;
+            }
+        }
+    return KErrNotFound;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::ArrayPosL
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::ArrayPosL( TInt aDrive )
+    {
+    TInt pos;
+    User::LeaveIfError( pos = ArrayPos( aDrive ) );
+    return pos;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::MemoryCardDriveL
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::MemoryCardDriveL()
+    {
+    TInt drive;
+    User::LeaveIfError( drive = MemoryCardDrive() );
+    return drive;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::MemoryCardDrive
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::MemoryCardDrive()
+    {
+    TInt i;
+    for ( i = 0; i < iAvailableDrives.Count(); i++ )
+        {
+        if ( iAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::ERemovable )
+            {
+            return iAvailableDrives[i].iDrive;
+            }
+        }
+    return KErrNotFound;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::MassStorageDriveL
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::MassStorageDriveL()
+    {
+    TInt drive;
+    User::LeaveIfError( drive = MassStorageDrive() );
+    return drive;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::MassStorageDrive
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::MassStorageDrive()
+    {
+    TInt i;
+    for ( i = 0; i < iAvailableDrives.Count(); i++ )
+        {
+        if ( iAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::EMassStorage )
+            {
+            return iAvailableDrives[i].iDrive;
+            }
+        }
+    return KErrNotFound;
+    }
+
+#if 0 // not used by mpx my videos collection
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::PhoneMemoryDriveL
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::PhoneMemoryDriveL()
+    {
+    TInt drive;
+    User::LeaveIfError( drive = PhoneMemoryDrive() );
+    return drive;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::PhoneMemoryDrive
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::PhoneMemoryDrive()
+    {
+    TInt i;
+    for ( i = 0; i < iAvailableDrives.Count(); i++ )
+        {
+        if ( iAvailableDrives[i].iDrive == EDriveC )
+            {
+            return iAvailableDrives[i].iDrive;
+            }
+        }
+    return KErrNotFound;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::FixedDriveL
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::FixedDriveL( TBool aExcludeCDrive )
+    {
+    TInt drive;
+    User::LeaveIfError( drive = FixedDrive( aExcludeCDrive ) );
+    return drive;
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::FixedDrive
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::FixedDrive( TBool aExcludeCDrive )
+    {
+    TInt i;
+    for ( i = 0; i < iAvailableDrives.Count(); i++ )
+        {
+        MPX_DEBUG2("CVcxMyVideosDriveMonitor:: iAvailableDrives[%d]", i);
+
+        if ( !(iAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::ERemovable) )
+            {
+            if ( iAvailableDrives[i].iDrive != EDriveC )
+                {
+                MPX_DEBUG2("CVcxMyVideosDriveMonitor:: FixedDrive() returning drive %d", iAvailableDrives[i].iDrive);
+                return iAvailableDrives[i].iDrive;
+                }
+            else
+                {
+                if ( !aExcludeCDrive )
+                    {
+                    MPX_DEBUG2("CVcxMyVideosDriveMonitor:: FixedDrive() returning drive %d", iAvailableDrives[i].iDrive);
+                    return iAvailableDrives[i].iDrive;
+                    }   
+                }
+            }
+        }
+    MPX_DEBUG1("CVcxMyVideosDriveMonitor:: FixedDrive() fixed drive not found");
+    return KErrNotFound;
+    }
+    
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::IsMmcInserted()
+// -----------------------------------------------------------------------------
+//
+TBool CVcxMyVideosDriveMonitor::IsMmcInserted()
+    {   
+    TInt drive = MemoryCardDrive();
+    
+    if ( drive == KErrNotFound )
+        {
+        return EFalse;
+        }
+        
+    TInt arrayPos = ArrayPos( drive );
+    
+    if ( arrayPos == KErrNotFound )
+        {
+        return EFalse;
+        }
+    
+    TUint32 flags = iAvailableDrives[arrayPos].iFlags;
+    
+    if ( (flags & TVcxMyVideosDriveInfo::ELocked) || (flags & TVcxMyVideosDriveInfo::EMediaNotPresent) )
+        {
+        return EFalse;
+        } 
+    
+    return ETrue;
+    }
+#endif
+    
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::RunL()
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::RunL()
+    {
+    MPX_FUNC("CVcxMyVideosDriveMonitor::RunL()");
+    
+    if ( iStatus == KErrNone )
+        {        
+        iFs.NotifyChange( ENotifyDisk, iStatus );
+        
+        TRAPD( err, RefreshAvailableDrivesL() );
+        if ( err != KErrNone )
+            {
+            MPX_DEBUG2("CVcxMyVideosDriveMonitor:: RefreshAvailableDrivesL leaved with error code %d, ignoring", err);
+            } 
+        CompareOldAndNewAvailableDrives();
+        SetActive();
+        }
+    else
+        {
+        iFs.NotifyChange( ENotifyDisk, iStatus );
+        SetActive();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::DoCancel()
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::DoCancel()
+    {
+    iFs.NotifyChangeCancel( iStatus );
+    }       
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::RunError()
+// -----------------------------------------------------------------------------
+//
+TInt CVcxMyVideosDriveMonitor::RunError( TInt /* aError */ )
+    {
+    MPX_DEBUG1("CVcxMyVideosDriveMonitor::RunL() leaved (should never happen).");
+    return KErrNone;
+    }       
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::SendEvent()
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::SendEvent( TVcxMyVideosDriveMonitorEvent::TEvent aEvent,
+    TInt aDrive )
+    {
+    MPX_DEBUG4("CVcxMyVideosDriveMonitor:: Sending event: %S(%d), drive: %d",
+            &TVcxMyVideosDriveMonitorEvent::EventDes( aEvent ),
+            aEvent,
+            aDrive );
+
+    TVcxMyVideosDriveMonitorEvent event;
+        
+    for ( TInt i = 0; i < iObservers.Count(); i++ )
+        {
+        event.iEvent = static_cast<TInt>(aEvent);
+        event.iDrive = aDrive;
+        iObservers[i]->HandleDriveMonitorEvent( event );
+        }
+
+#ifdef _DEBUG
+    PrintAvailableDrives();
+#endif
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::CompareOldAndNewAvailableDrives
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::CompareOldAndNewAvailableDrives()
+    {
+    // Run through old drives list to detect changes
+    TInt i;
+    for ( i = 0; i < iPreviousAvailableDrives.Count(); i++ )
+        {
+        TInt pos = ArrayPos( iPreviousAvailableDrives[i].iDrive );
+        if ( pos == KErrNotFound )
+            {
+            // drive was dismounted
+            SendEvent( TVcxMyVideosDriveMonitorEvent::EDriveDismounted,
+                iPreviousAvailableDrives[i].iDrive );
+            }
+        else 
+            {
+            // drive still present
+            if ( iPreviousAvailableDrives[i].iFlags != iAvailableDrives[pos].iFlags )
+                {
+                // drive was changed
+                if ( (iPreviousAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::EMediaNotPresent) && 
+                     !(iAvailableDrives[pos].iFlags & EMediaNotPresent) )
+                    {
+                    SendEvent( TVcxMyVideosDriveMonitorEvent::EMediaInserted,
+                        iAvailableDrives[pos].iDrive );
+                    }
+                    
+                if ( !(iPreviousAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::EMediaNotPresent) && 
+                     (iAvailableDrives[pos].iFlags & TVcxMyVideosDriveInfo::EMediaNotPresent) )
+                    {
+                    SendEvent( TVcxMyVideosDriveMonitorEvent::EMediaRemoved,
+                        iAvailableDrives[pos].iDrive );
+                    }
+
+                if ( !(iPreviousAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::ELocked) && 
+                     (iAvailableDrives[pos].iFlags & TVcxMyVideosDriveInfo::ELocked) )
+                    {
+                    SendEvent( TVcxMyVideosDriveMonitorEvent::EDriveLocked,
+                        iAvailableDrives[pos].iDrive );
+                    }
+
+                if ( (iPreviousAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::ELocked) && 
+                     !(iAvailableDrives[pos].iFlags & TVcxMyVideosDriveInfo::ELocked) )
+                    {
+                    SendEvent( TVcxMyVideosDriveMonitorEvent::EDriveUnlocked,
+                        iAvailableDrives[pos].iDrive );
+                    }
+                    
+                }
+            // drive volume name was changed
+            if ( iPreviousAvailableDrives[i].iVolumeName.Compare( 
+                 iAvailableDrives[pos].iVolumeName ) != 0 )
+                {
+                SendEvent( TVcxMyVideosDriveMonitorEvent::EDriveVolumeNameChanged, 
+                    iAvailableDrives[pos].iDrive ); 
+                }
+            }
+        }
+
+    // Run through new drives list to detect mounted drives
+    for ( i = 0; i < iAvailableDrives.Count(); i++ )
+        {
+        TBool found = EFalse;
+        for ( TInt j = 0; j < iPreviousAvailableDrives.Count(); j++ )
+            {
+            if ( iPreviousAvailableDrives[j].iDrive == iAvailableDrives[i].iDrive )
+                {
+                found = ETrue;
+                break;
+                }
+            }
+        if ( !found )
+            {
+            SendEvent( TVcxMyVideosDriveMonitorEvent::EDriveMounted,
+                iAvailableDrives[i].iDrive );
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::DriveType()
+// -----------------------------------------------------------------------------
+//
+#ifdef _DEBUG 
+const TDesC& CVcxMyVideosDriveMonitor::DriveTypeDes( TInt aType )
+    {
+    switch (aType)
+        {     
+        case EMediaNotPresent:
+            return KVcxMyVideosMediaNotPresentDes;
+	      case EMediaUnknown:
+            return KVcxMyVideosMediaUnknownDes;
+        case EMediaFloppy:
+            return KVcxMyVideosMediaFloppyDes;
+        case EMediaHardDisk:
+            return KVcxMyVideosMediaHardDiskDes;
+        case EMediaCdRom:
+            return KVcxMyVideosMediaCdRomDes;
+        case EMediaRam:
+            return KVcxMyVideosMediaRamDes;
+        case EMediaFlash:
+            return KVcxMyVideosMediaFlashDes;
+        case EMediaRom:
+            return KVcxMyVideosMediaRomDes;
+        case EMediaRemote:
+            return KVcxMyVideosMediaRemoteDes;
+        case EMediaNANDFlash:
+            return KVcxMyVideosMediaNANDFlashDes;
+        default:
+            return KVcxMyVideosMediaUnknownDes;
+        }
+    }
+#else
+const TDesC& CVcxMyVideosDriveMonitor::DriveTypeDes( TInt /*aType*/ )
+    {
+    return KNullDesC;
+    }
+#endif
+    
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::PrintAvailableDrives()
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::PrintAvailableDrives()
+    {
+#ifdef _DEBUG 
+    for ( TInt i = 0; i < iAvailableDrives.Count(); i++ )
+        {
+        MPX_DEBUG3("CVcxMyVideosDriveMonitor:: iAvailableDrives[%d].iDrive = %d",
+            i, iAvailableDrives[i].iDrive);
+        MPX_DEBUG2("    ERemovableDrive  = %d",
+            !!(iAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::ERemovable));
+        MPX_DEBUG2("    EMassStorage     = %d",
+            !!(iAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::EMassStorage));
+        MPX_DEBUG2("    ELockedDrive     = %d",
+            !!(iAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::ELocked));
+        MPX_DEBUG2("    EMediaNotPresent = %d",
+            !!(iAvailableDrives[i].iFlags & TVcxMyVideosDriveInfo::EMediaNotPresent));
+        }
+#endif
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::GetPreferredMemoryL
+// Gets the preferred memory, this doesn't mean yet that it can be actually used.
+// Media might not be present or it might be locked.
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::GetPreferredMemoryL( TInt& aPreferredMemory )
+    {
+    MPX_FUNC("CVcxMyVideosDriveMonitor::GetPreferredMemoryL()");
+    
+    TInt cenRepMemory = KErrNotFound; //init to some non valid drive value, in case that cenrep wont change it at all
+    
+    TUid uid;
+    uid.iUid = KVcxMyVideosCenRepUid;
+    CRepository* cenRep = CRepository::NewL( uid );
+    CleanupStack::PushL( cenRep ); // 1->
+
+    TInt cenRepError = cenRep->Get( KVcxMyVideosCenRepPreferredMemoryKey, cenRepMemory );
+                
+    aPreferredMemory = EDriveC;
+        
+    if ( ArrayPos( cenRepMemory ) == KErrNotFound
+        || cenRepError != KErrNone )
+        {
+        MPX_DEBUG1(
+            "CVcxMyVideosDriveMonitor:: cenrep value for used memory was not valid or not found.");
+
+        // Non existing drive or no cen rep value -> figure out the default drive
+        TInt massStorageDrive = MassStorageDrive();
+        if ( massStorageDrive != KErrNotFound )
+            {
+            MPX_DEBUG1("CVcxMyVideosDriveMonitor:: using mass storage");
+            aPreferredMemory = massStorageDrive;
+            }
+        else
+            {    
+            TInt memoryCardDrive  = MemoryCardDrive();
+            if ( memoryCardDrive != KErrNotFound )
+                {
+                MPX_DEBUG1("CVcxMyVideosDriveMonitor:: using memory card");
+                aPreferredMemory = memoryCardDrive;
+                }
+            }
+
+        MPX_DEBUG2(
+            "CVcxMyVideosDriveMonitor:: writing new value to cenrep (%d)", aPreferredMemory);
+
+        cenRep->Set( KVcxMyVideosCenRepPreferredMemoryKey, aPreferredMemory );
+        }
+    else
+        {
+        //Cenrep value was valid, use it
+        MPX_DEBUG1(
+            "CVcxMyVideosDriveMonitor:: cenrep value for used memory was valid, using it.");
+        aPreferredMemory = cenRepMemory;
+        }
+
+    CleanupStack::PopAndDestroy( cenRep ); // <-1
+            
+    MPX_DEBUG2("CVcxMyVideosDriveMonitor:: preferred memory: %d", aPreferredMemory);
+    }
+
+// -----------------------------------------------------------------------------
+// CVcxMyVideosDriveMonitor::GetUsedMemoryL
+// Gets the memory for usage. Tries first the preferred memory, if it is not
+// available (locked or not present), tries the next drive from iAvailable drives.
+// If suitable drive is not found, returns system drive (c-drive).
+// -----------------------------------------------------------------------------
+//
+void CVcxMyVideosDriveMonitor::GetUsedMemoryL( TInt& aUsedMemory )
+    {
+    TInt preferredDrive;
+    GetPreferredMemoryL( preferredDrive );
+    
+    TInt startPos   = ArrayPos( preferredDrive );
+    TInt currentPos = startPos;
+    TUint32 flags;
+    TBool found = EFalse;
+    while ( !found )
+        {
+        flags = iAvailableDrives[currentPos].iFlags;
+    
+        if ( (flags & TVcxMyVideosDriveInfo::ELocked) ||
+            (flags & TVcxMyVideosDriveInfo::EMediaNotPresent) )
+            {
+            MPX_DEBUG1("CVcxMyVideosDownloadUtil:: drive was locked or not present -> trying next available drive");
+            currentPos++;
+            if ( currentPos > (iAvailableDrives.Count()-1) )
+                {
+                currentPos = 0;
+                }
+            if ( currentPos == startPos )
+                {
+                // we went full round and couldnt find drive -> use c-drive
+                MPX_DEBUG1("CVcxMyVideosDownloadUtil:: no suitable drive found from iAvailable drives, using c-drive");
+                aUsedMemory = iFs.GetSystemDrive();
+                found       = ETrue;
+                }
+            }
+        else
+            {
+            aUsedMemory = iAvailableDrives[currentPos].iDrive;
+            found       = ETrue;
+            }
+        }
+    MPX_DEBUG2("CVcxMyVideosDownloadUtil::GetUsedMemoryL() returns %d", aUsedMemory);
+    }
+        
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+
+//  End of File