--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email/imum/Mtms/Src/ImumDeleteMessagesLocally.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,220 @@
+/*
+* Copyright (c) 2006 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: 
+*     Operation to delete mail messages locally i.e. just remove body and
+*     attachments from the flash but leave header. So don't delete message
+*     from mail server. After operation user is able to fetch message again
+
+*
+*/
+
+
+// INCLUDE FILES
+#include <MTMStore.h>
+#include <msvstd.hrh>
+#include <mtmuibas.h>
+#include <msvuids.h>
+#include <imum.rsg>
+#include <coemain.h>
+#include <StringLoader.h>
+#include <eikenv.h>
+
+#include "ImumDeleteMessagesLocally.h"
+#include "EmailUtils.H"
+#include "ImumMtmLogging.h"
+
+// EXTERNAL DATA STRUCTURES
+// EXTERNAL FUNCTION PROTOTYPES
+// CONSTANTS
+// minimum disk space needed when deleting messages locally
+const TInt KImumDiskSpaceForDelete = (2*1024);
+
+// LOCAL CONSTANTS AND MACROS
+const TInt KImumEntriesDoneReplaceIndex = 0;
+const TInt KImumTotalEntriesReplaceIndex = 1;
+
+// MODULE DATA STRUCTURES
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ----------------------------------------------------------------------------
+// CImumDeleteMessagesLocally::CImumDeleteMessagesLocally()
+// ----------------------------------------------------------------------------
+//
+CImumDeleteMessagesLocally::CImumDeleteMessagesLocally(
+    CImumInternalApi& aMailboxApi,
+    TRequestStatus& aObserverRequestStatus,
+    TBool aDiskSpaceRequest )
+    :
+    CImCacheManager(aMailboxApi.MsvSession(), aObserverRequestStatus),
+    iDiskSpaceRequest( aDiskSpaceRequest )
+    {
+    IMUM_CONTEXT( CImumDeleteMessagesLocally::CImumDeleteMessagesLocally, 0, KImumMtmLog );
+    IMUM_IN();
+    IMUM_OUT();
+    
+    }
+
+// ----------------------------------------------------------------------------
+// CImumDeleteMessagesLocally::ConstructL()
+// ----------------------------------------------------------------------------
+//
+void CImumDeleteMessagesLocally::ConstructL(
+    CMsvEntrySelection& aMessageSelection )
+    {
+    IMUM_CONTEXT( CImumDeleteMessagesLocally::ConstructL, 0, KImumMtmLog );
+    IMUM_IN();
+    
+    CImCacheManager::ConstructL();
+    iMessageSelection = aMessageSelection.CopyL();
+    if ( iDiskSpaceRequest )
+        {
+        CEikonEnv* env = CEikonEnv::Static();
+
+        // Create the file session and get access to current drive
+        iFileSession = env->FsSession();
+        iDriveNo = iMsvSession.CurrentDriveL();
+
+        // Try to reserve disk space and leave if it fails
+        User::LeaveIfError( MsvEmailMtmUiUtils::AcquireDiskSpace(
+            iFileSession,
+            iDriveNo,
+            KImumDiskSpaceForDelete ) );
+        }
+
+    TInt resourceId = (iMessageSelection->Count()>1) ?
+         R_IMAP4_PROGRESS_DELETING_LOCALLY_MANY : R_IMAP4_PROGRESS_DELETING_LOCALLY;
+
+    iProgressText = StringLoader::LoadL( resourceId );
+
+    StartL( *iMessageSelection, iObserverRequestStatus );
+    IMUM_OUT();
+    }
+
+// ----------------------------------------------------------------------------
+// CImumDeleteMessagesLocally::NewL()
+// ----------------------------------------------------------------------------
+//
+CImumDeleteMessagesLocally* CImumDeleteMessagesLocally::NewL(
+    CMsvEntrySelection& aMessageSelection,
+    CImumInternalApi& aMailboxApi,
+    TRequestStatus& aObserverRequestStatus,
+    TBool aDiskSpaceRequest /* = ETrue */)
+    {
+    IMUM_STATIC_CONTEXT( CImumDeleteMessagesLocally::NewL, 0, mtm, KImumMtmLog );
+    IMUM_IN();
+    
+    CImumDeleteMessagesLocally* self =
+        new ( ELeave ) CImumDeleteMessagesLocally(
+            aMailboxApi,
+            aObserverRequestStatus,
+            aDiskSpaceRequest );
+
+    CleanupStack::PushL(self);
+    self->ConstructL( aMessageSelection );
+    CleanupStack::Pop();    //  self
+    IMUM_OUT();
+
+    return self;
+    };
+
+
+// Destructor
+// ----------------------------------------------------------------------------
+// CImumDeleteMessagesLocally::~CImumDeleteMessagesLocally()
+// ----------------------------------------------------------------------------
+//
+CImumDeleteMessagesLocally::~CImumDeleteMessagesLocally()
+    {
+    IMUM_CONTEXT( CImumDeleteMessagesLocally::~CImumDeleteMessagesLocally, 0, KImumMtmLog );
+    IMUM_IN();
+    
+    delete iProgressText;
+    delete iMessageSelection;
+
+    if ( iDiskSpaceRequest )
+        {
+        iFileSession.ReleaseReserveAccess( iDriveNo );
+        }
+    IMUM_OUT();
+    }
+
+// ----------------------------------------------------------------------------
+// CImumDeleteMessagesLocally::Filter()
+// ----------------------------------------------------------------------------
+//
+TBool CImumDeleteMessagesLocally::Filter() const
+    {
+    IMUM_CONTEXT( CImumDeleteMessagesLocally::Filter, 0, KImumMtmLog );
+    IMUM_IN();
+    
+    if ( iMessageSelection->Find( iCurrentEntry->Entry().Id() )
+        > KErrNotFound )
+        {
+        IMUM_OUT();
+        return ETrue;
+        }
+    IMUM_OUT();
+    return EFalse;
+    }
+
+// ----------------------------------------------------------------------------
+// CImumDeleteMessagesLocally::DecodeProgress()
+// ----------------------------------------------------------------------------
+//
+TInt CImumDeleteMessagesLocally::DecodeProgress(const TDesC8& aProgress,
+        TBuf<CBaseMtmUi::EProgressStringMaxLen>& aReturnString,
+        TInt& aTotalEntryCount, TInt& aEntriesDone,
+        TInt& aCurrentEntrySize, TInt& aCurrentBytesTrans, TBool /*aInternal*/)
+    {
+    IMUM_CONTEXT( CImumDeleteMessagesLocally::DecodeProgress, 0, KImumMtmLog );
+    IMUM_IN();
+    
+    if( !aProgress.Length())
+        {
+        return KErrNone;
+        }
+
+    TPckgBuf<TImCacheManagerProgress> paramPack;
+    paramPack.Copy(aProgress);
+    const TImCacheManagerProgress& progress=paramPack();
+
+    aEntriesDone=progress.iMessagesProcessed;
+    aTotalEntryCount=iMessageSelection->Count();
+    aCurrentEntrySize=progress.iTotalMessages;
+    aCurrentBytesTrans=progress.iMessagesProcessed;
+
+    aReturnString.Copy( *iProgressText );
+    if ( iMessageSelection->Count()>1 )
+        {
+        TBuf<CBaseMtmUi::EProgressStringMaxLen> tempBuffer;
+        StringLoader::Format(
+            tempBuffer,
+            aReturnString,
+            KImumEntriesDoneReplaceIndex,
+            aEntriesDone );
+        StringLoader::Format(
+            aReturnString,
+            tempBuffer,
+            KImumTotalEntriesReplaceIndex,
+            aTotalEntryCount );
+        }
+    IMUM_OUT();
+    return KErrNone;
+    }
+
+
+//  End of File
+
+