--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commonuis/CommonDialogs/src/caknmemoryselectionsettingitemmultidrive.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,306 @@
+/*
+* 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 "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:  Setting item to support multiple drives.
+*
+*/
+
+
+#include <driveinfo.h>
+
+#include "CAknMemorySelectionSettingItemMultiDrive.h"
+#include "CAknMemorySelectionDialogMultiDrive.h"
+#include "maknmemoryselectionmodel.h"
+#include "AknCFDUtility.h"
+#include "CAknCFDFileSystemEvent.h"
+#include "MAknCFDFileSystemObserver.h"
+
+
+NONSHARABLE_CLASS(CAknMemorySelectionSettingItemExtension) : public CBase,
+                                                             public MAknCFDFileSystemObserver
+    {
+
+public:
+    CAknMemorySelectionSettingItemExtension(CAknMemorySelectionSettingItemMultiDrive* aSettingItem);
+    ~CAknMemorySelectionSettingItemExtension();
+
+    // second phase construct
+    void ConstructL();
+    
+    /**
+     * Static constructor.
+     *
+     * @since S60 5.0
+     * @param aSettingItem defines a pointer to the setting item. 
+     * @return Returns a pointer to an instance of itself.
+     */
+    static CAknMemorySelectionSettingItemExtension* NewL(CAknMemorySelectionSettingItemMultiDrive* aSettingItem);
+    
+    
+    // Functions from base interface MAknCFDFileSystemObserver
+    /**
+     * From MAknCFDFileSystemObserver
+     */
+    void NotifyFileSystemChangedL();
+    
+    // Own: memory selection dialog
+    CAknMemorySelectionDialogMultiDrive* iDialog;
+    
+    // Ref: The external data
+    CAknMemorySelectionSettingItemMultiDrive* iSettingItem;
+    
+    // Own: The extension of setting item
+    CAknCFDFileSystemEvent* iFSEvent;
+    };
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItem::CAknMemorySelectionSettingItem
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CAknMemorySelectionSettingItemMultiDrive
+    ::CAknMemorySelectionSettingItemMultiDrive(
+        TInt aIdentifier,
+        TDriveNumber& aSelectedDrive )
+        :   CAknSettingItem( aIdentifier ),
+            iExternalData( aSelectedDrive )
+    {
+    
+    }
+
+// Destructor
+EXPORT_C CAknMemorySelectionSettingItemMultiDrive::
+    ~CAknMemorySelectionSettingItemMultiDrive()
+    {
+    delete iSettingText;
+    delete iExtension, iExtension = NULL;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemMultiDrive::CompleteConstructionL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAknMemorySelectionSettingItemMultiDrive::CompleteConstructionL()
+    {
+    iExtension = CAknMemorySelectionSettingItemExtension::NewL(this);
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemMultiDrive::EditItemL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAknMemorySelectionSettingItemMultiDrive::EditItemL(
+    TBool aCalledFromMenu )
+    {
+    if( !iExtension )
+        {
+        // This in case application hasn't called CompleteConstructionL()
+        CompleteConstructionL();
+        }
+
+    if( aCalledFromMenu )
+        {
+        // Changed with Options/Change
+        iExtension->iDialog->ExecuteL( iInternalData, NULL, NULL );
+        }
+    else
+        {
+        // Changed with selection key
+        if( ( iExtension->iDialog->NumberOfItems() == 2 ) &&
+                ( !iExtension->iDialog->HasUnavailbleMMC() ) )
+            {
+            // Two items in list, function as binary pop-up setting page
+            TInt selectedIndex =
+                iExtension->iDialog->FindIndexByDrive(
+                    iInternalData );
+	          if ( selectedIndex == KErrNotFound )
+	              {
+	              selectedIndex = 0;
+	              }
+	          else
+	              {
+	              selectedIndex = 1 - selectedIndex; // switch to another one.
+	              }
+            iInternalData =
+                iExtension->iDialog->FindDriveByIndex( selectedIndex );
+            }
+        else
+            {
+            iExtension->iDialog->ExecuteL(
+                iInternalData, NULL, NULL );
+            }
+        }
+
+    UpdateListBoxTextL();
+
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemMultiDrive::LoadL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAknMemorySelectionSettingItemMultiDrive::LoadL()
+    {
+    iInternalData = iExternalData;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemMultiDrive::StoreL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CAknMemorySelectionSettingItemMultiDrive::StoreL()
+    {
+    iExternalData = iInternalData;
+    
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemMultiDrive::SettingTextL
+// ---------------------------------------------------------------------------
+//
+EXPORT_C const TDesC& CAknMemorySelectionSettingItemMultiDrive::SettingTextL()
+    {
+    if( !iExtension )
+        {
+        // This in case application hasn't called CompleteConstructionL()
+        CompleteConstructionL();
+        }
+
+    TInt memoryIndex = iExtension->iDialog->FindIndexByDrive(
+                            iInternalData );
+    if ( AknCFDUtility::DriveStatusL( iInternalData )
+         != EDriveOK )
+        {
+        TInt drive;
+        User::LeaveIfError( DriveInfo::GetDefaultDrive(
+            DriveInfo::EDefaultSystem, drive ) );
+        memoryIndex = iExtension->iDialog->FindIndexByDrive(
+                            TDriveNumber( drive ) );
+        }
+    if( !iSettingText )
+        iSettingText = HBufC::NewL( KMaxName );
+    TPtr ptrSettingText( iSettingText->Des() );
+    iExtension->iDialog->GetItem( memoryIndex, ptrSettingText );
+    return *iSettingText;
+    }
+
+
+void CAknMemorySelectionSettingItemMultiDrive::UpdateSettingItemContentL()
+    {
+    if ( iExtension->iDialog != NULL )
+        {
+        // Update model.
+        iExtension->iDialog->UpdateModelL();
+
+        // Update setting item value.
+        TInt selectedIndex = iExtension->iDialog->
+            FindIndexByDrive(iInternalData);
+
+        if (selectedIndex == KErrNotFound)
+            {
+            iInternalData = EDriveC;
+            }
+        else
+            {
+            iInternalData = iExtension->iDialog->
+                FindDriveByIndex(selectedIndex);
+            }
+
+        UpdateListBoxTextL();
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemExtension
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CAknMemorySelectionSettingItemExtension::
+        CAknMemorySelectionSettingItemExtension(CAknMemorySelectionSettingItemMultiDrive* aSettingItem)
+        : iSettingItem( aSettingItem )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemExtension
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CAknMemorySelectionSettingItemExtension::
+    ~CAknMemorySelectionSettingItemExtension()
+    {
+    delete iDialog;
+    iDialog = NULL;
+    
+    if ( iFSEvent )
+        {
+        iFSEvent->Cancel();
+        delete iFSEvent;
+        iFSEvent = NULL;
+        }
+        
+    }
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemExtension
+// NotifyFileSystemChangedL
+// ---------------------------------------------------------------------------
+//
+void CAknMemorySelectionSettingItemExtension::NotifyFileSystemChangedL()
+    {
+    iSettingItem->UpdateSettingItemContentL();
+    
+    if (iFSEvent != NULL)
+        {
+        iFSEvent->Setup();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemExtension
+// ConstructL
+// ---------------------------------------------------------------------------
+//
+void CAknMemorySelectionSettingItemExtension::ConstructL()
+    {
+    
+    iDialog = CAknMemorySelectionDialogMultiDrive::NewL(
+            ECFDDialogTypeNormal, ETrue);
+    
+    iFSEvent = CAknCFDFileSystemEvent::NewL(CCoeEnv::Static()->FsSession(), *this, ENotifyDisk);
+    }
+
+// ---------------------------------------------------------------------------
+// CAknMemorySelectionSettingItemExtension
+// NewL
+// ---------------------------------------------------------------------------
+//
+CAknMemorySelectionSettingItemExtension*  CAknMemorySelectionSettingItemExtension::NewL(CAknMemorySelectionSettingItemMultiDrive* aSettingItem)
+    {
+    CAknMemorySelectionSettingItemExtension* self =
+        new( ELeave ) CAknMemorySelectionSettingItemExtension(aSettingItem);
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }