--- a/contentpublishingsrv/contentharvester/contentharvesterswiplugin/src/chswiusbhandler.cpp	Tue Feb 02 00:23:10 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,307 +0,0 @@
-/*
-* 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:  Software Installer plug-in usb handler
-*
-*/
- 
-
-// INCLUDE FILES
-
-#include "chswiusbhandler.h"
-#include "chswiplugin.h"
-#include "chswimassmodeobserver.h"
-#include <DriveInfo.h>
-
-// CONSTANTS
-const TInt KCallBackDelay = 5000000;
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::NewL()
-// two-phase constructor
-// ----------------------------------------------------------------------------
-//
-CCHSwiUsbHandler* CCHSwiUsbHandler::NewL(
-		MCHSwiMassModeObserver* aMassModeObserver,
-		RFs& aFs )
-    {
-    CCHSwiUsbHandler* self =
-        new(ELeave) CCHSwiUsbHandler( aMassModeObserver, aFs );
-    CleanupStack::PushL( self );
-    self->ConstructL();
-    CleanupStack::Pop( self );
-    return self;
-    }
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::CCHSwiUsbHandler()
-// C++ default constructor
-// ----------------------------------------------------------------------------
-//
-CCHSwiUsbHandler::CCHSwiUsbHandler( MCHSwiMassModeObserver* aMassModeObserver,
-        RFs& aFs )
-    : CActive( CActive::EPriorityUserInput ),
-      iLastDriveScanError( KErrNone ),
-      iMassModeObserver( aMassModeObserver ),
-      iFs( aFs ),
-      iDriveFlags( 0 )
-    {
-    CActiveScheduler::Add( this );
-    }
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::ConstructL()
-// Symbian default constructor
-// ----------------------------------------------------------------------------
-//
-void CCHSwiUsbHandler::ConstructL()
-    {
-    User::LeaveIfError( iTimer.CreateLocal() );
-    
-    iLastDriveScanError = ScanDrivesAndUpdateFlag( EFalse );
-
-    if ( iLastDriveScanError != KErrNone )
-    	{
-    	HandleDriveError();
-    	}
-    }
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::~CCHSwiUsbHandler()
-// destructor
-// ----------------------------------------------------------------------------
-//
-CCHSwiUsbHandler::~CCHSwiUsbHandler()
-    {
-    Cancel();
-    iTimer.Close();
-    }
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::SynchronousDriveScan()
-// Performs synchronous drive scan. Checks whether Mass Drive is available
-// and updates the flag in observer.
-// ----------------------------------------------------------------------------
-//
-void CCHSwiUsbHandler::SynchronousDriveScan()
-	{
-    iLastDriveScanError = ScanDrivesAndUpdateFlag( iLastDriveScanError == KErrNone );
-
-    if ( iLastDriveScanError != KErrNone )
-    	{
-    	HandleDriveError();
-    	}
-	}
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::PostponedDriveScan()
-// Starts postponed drive scan. 
-// ----------------------------------------------------------------------------
-//
-void CCHSwiUsbHandler::PostponedDriveScan()
-	{
-	Cancel();
-	iTimer.After( iStatus, KCallBackDelay ); 
-	SetActive();
-	}
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::RunL()
-// Handles postponed drive scan. 
-// Executed either after call to PostponedDriveScan or in case of drive reading
-// errors in SynchronousDriveScan or ConstructL.
-// ----------------------------------------------------------------------------
-//
-void CCHSwiUsbHandler::RunL()
-    {
-    TBool massModeBeforeScan = iMassModeObserver->IsMassStorageMode();
-    TInt errorBeforeScan = iLastDriveScanError;
-    
-    SynchronousDriveScan();
-    
-    if ( iLastDriveScanError == KErrNone )
-		{
-		iMassModeObserver->HandleSuccessfulAsynchDriveScan();
-		
-		// CCHSwiUsbObserver can't detect app uninstall when app had been installed on removable 
-		// memory card, the memory card was removed during mass mode, and then mass 
-		// mode was deactivated.
-	    // Additionaly, we need to update widgets when recovering from error.
-		if ( !iMassModeObserver->IsMassStorageMode() && 
-			( massModeBeforeScan || errorBeforeScan != KErrNone ) )
-			{
-			iMassModeObserver->HandleMassStorageModeEndEvent();
-			}
-		}   
-    }
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::HandleDriveError()
-// Handles drive access errors by launching new postponed scan.
-// ----------------------------------------------------------------------------
-void CCHSwiUsbHandler::HandleDriveError()
-	{
-	Cancel();
-	iMassModeObserver->SetMassStorageMode( ETrue );
-	
-	iTimer.After( iStatus, KCallBackDelay ); 
-	SetActive();
-	}
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::ScanDrivesAndUpdateFlag()
-// Scans drives and updates Mass Mode flag in the observer. 
-// ----------------------------------------------------------------------------
-TInt CCHSwiUsbHandler::ScanDrivesAndUpdateFlag( TBool aFlagsValid )
-	{
-	TInt error( KErrNone );
-	
-	if( aFlagsValid )
-		{
-		// iDriveFlags is valid, we can use deltaDriveFlags to avoid
-		// unnecessary calls to DriveInfo::GetDriveStatus
-		TInt driveFlags = 0;
-		TInt deltaDriveFlags = 0;
-		
-		error = ScanDrives( driveFlags );
-		
-		if ( error == KErrNone )
-			{
-			deltaDriveFlags = iDriveFlags ^ driveFlags;
-			iDriveFlags = driveFlags;
-			}
-		
-		if ( deltaDriveFlags )
-			{ 
-			error = UpdateMassModeFlag();
-			}
-		}
-	else
-		{
-		error = ScanDrives( iDriveFlags );
-
-		if ( error == KErrNone )
-			{
-			error = UpdateMassModeFlag();
-			}   
-		}
-	
-	return error;
-	}
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::UpdateMassModeFlag()
-// Updates Mass Mode flag in the observer. 
-// ----------------------------------------------------------------------------
-TInt CCHSwiUsbHandler::UpdateMassModeFlag()
-	{
-    TInt flags = iDriveFlags;
-    TBool massMemoryPresent = EFalse;
-    
-    for( TInt DriveNo = EDriveA + 1 ; DriveNo <= EDriveY; DriveNo++ )
-    	{   
-    	flags = flags >> 1;
-        if( flags & 01 )
-            {
-            TUint status( 0 );
-            TInt error = DriveInfo::GetDriveStatus( iFs, DriveNo, status );
-
-            if( error != KErrNone )
-            	{
-            	return error;
-            	}
-            
-            if( ( status & DriveInfo::EDriveExternallyMountable ) 
-            		&& ( status & DriveInfo::EDriveInternal ) )
-                {
-                // Internal Memory
-                massMemoryPresent = ETrue;
-                break;
-                }
-            }            
-        }
-           
-    iMassModeObserver->SetMassStorageMode( !massMemoryPresent );            
-    return KErrNone;
-	}
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::RunError()
-// Ignore errors from RunL.
-// ----------------------------------------------------------------------------
-//
-TInt CCHSwiUsbHandler::RunError( TInt /* aError */ )
-    {
-    return KErrNone; // indicates error was handled
-    }
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::DoCancel()
-// Cancel the MMC event handler
-// ----------------------------------------------------------------------------
-void CCHSwiUsbHandler::DoCancel()
-    {
-    iTimer.Cancel();
-    }
-
-// ----------------------------------------------------------------------------
-// CCHSwiUsbHandler::ScanDrives( TInt& aDriveFlags )
-// Scans drives and records a bit flag for those that exist and are
-// suitable for installing widgets to.
-// ----------------------------------------------------------------------------
-//
-TInt CCHSwiUsbHandler::ScanDrives( TInt& aDriveFlags )
-    {
-    // List all drives in the system
-    TDriveList driveList;
-    TInt error = iFs.DriveList( driveList );
-    
-    if ( KErrNone == error )
-        {
-        for ( TInt driveNumber = EDriveY;
-              driveNumber >= EDriveA;
-              driveNumber-- )
-            {
-            // The drives that will be filtered out are the same ones that
-            // WidgetInstaller filters out in CWidgetUIHandler::SelectDriveL()
-            if ( (EDriveD == driveNumber)
-                 || !driveList[driveNumber] )
-                {
-                // EDriveD is a temporary drive usually a RAM disk
-                continue;
-                }
-
-            TVolumeInfo volInfo;
-            if ( iFs.Volume( volInfo, driveNumber ) != KErrNone )
-                {
-                // volume is not usable (e.g. no media card inserted)
-                continue;
-                }
-            if ( (volInfo.iDrive.iType == EMediaNotPresent) ||
-                 (volInfo.iDrive.iType == EMediaRom) ||
-                 (volInfo.iDrive.iType == EMediaRemote) ||
-                 (volInfo.iDrive.iDriveAtt & KDriveAttRom) ||
-                 (volInfo.iDrive.iDriveAtt & KDriveAttSubsted) )
-                {
-                // not a suitable widget install drive
-                continue;
-                }
-
-            // found a usable drive
-            aDriveFlags |= (1 << driveNumber);
-            }
-        }
-    
-    return error;
-    }
-