email/mail/EditorSrc/Msgattachmentverifier.cpp
changeset 0 72b543305e3a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email/mail/EditorSrc/Msgattachmentverifier.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2004 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:  Class for attachment verification
+*
+*/
+
+
+// INCLUDE FILES
+#include "Msgattachmentverifier.h"
+#include "MsgMailDRMHandler.h"
+#include "MailUtils.h"
+#include <MsgMailEditor.rsg>
+#include <MuiuMsvUiServiceUtilities.h>
+#include <e32base.h>
+#include <coemain.h>
+
+// LOCAL CONSTANTS AND MACROS
+
+
+// ================= MEMBER FUNCTIONS =======================
+
+// C++ default constructor cannot contain any code that might leave
+CMsgAttachmentVerifier::CMsgAttachmentVerifier( CMsvSession& aMsvSession )
+    : iMsvSession( aMsvSession )
+    {
+    }
+// Symbian OS default constructor can leave.
+void CMsgAttachmentVerifier::ConstructL()
+    {
+    iDRMHandler = MsgMailDRMHandler::NewL();
+    }
+// NewLC
+CMsgAttachmentVerifier* CMsgAttachmentVerifier::NewLC(
+    CMsvSession& aMsvSession )
+    {
+    CMsgAttachmentVerifier* self =
+        new (ELeave) CMsgAttachmentVerifier( aMsvSession );
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+    
+// Destructor
+CMsgAttachmentVerifier::~CMsgAttachmentVerifier()
+    {
+    delete iDRMHandler;
+    }
+
+// ---------------------------------------------------------------------------
+// Verify selected files or show a note if something wrong in a selection.
+// ---------------------------------------------------------------------------
+//
+TBool CMsgAttachmentVerifier::VerifySelectionL( 
+    const MDesCArray* aSelectedFiles )
+    {
+    ASSERT( aSelectedFiles );
+    TBool result( ETrue );
+    TInt attachmentsByteSize( 0 );
+    TInt selectionCount = aSelectedFiles->MdcaCount();
+    for (TInt i=0; i<selectionCount && result; i++)
+        {
+        TInt fileSize( 0 );
+      	result = VerifyFileL( aSelectedFiles->MdcaPoint(i), fileSize );
+      	attachmentsByteSize += fileSize;
+        }
+    if ( result )
+        {
+        result = VerifyDiskSpaceL( attachmentsByteSize );
+        }
+    return result;
+    }
+
+// ---------------------------------------------------------------------------
+// Verify selected files or show a note if something wrong in a selection.
+// ---------------------------------------------------------------------------
+//
+TBool CMsgAttachmentVerifier::OkToExitL( 
+	const TDesC& aDriveAndPath, const TEntry& aEntry )
+	{
+	TBool result( ETrue );
+	TInt length = aDriveAndPath.Length() + aEntry.iName.Length();
+	if ( length )
+		{
+		HBufC* filename = HBufC::NewLC( length );
+		TPtr ptr = filename->Des();
+		ptr.Append( aDriveAndPath );
+		ptr.Append( aEntry.iName );
+		TInt fileSize( 0 );
+		result = VerifyFileL( *filename, fileSize );
+		CleanupStack::PopAndDestroy( filename );
+        if ( result )
+            {
+            result = VerifyDiskSpaceL( fileSize );
+            }		
+		}
+	return result;	
+	}
+	
+// ---------------------------------------------------------------------------
+// Verify selected files or show a note if something wrong in a selection.
+// ---------------------------------------------------------------------------
+//
+TBool CMsgAttachmentVerifier::VerifyFileL(
+    const TDesC& aFilename,
+    TInt& aFileByteSize )
+	{
+    RFs& fs = CCoeEnv::Static()->FsSession();
+    TBool result( ETrue );
+   	RFile attachment;
+    User::LeaveIfError( attachment.Open(
+        fs, 
+        aFilename, 
+        EFileShareReadersOnly) );
+        
+    CleanupClosePushL(attachment);
+    
+    // Size() may return error value but then we can just ignore it, file
+    // size checking is not considered that necessary
+    aFileByteSize = 0;
+    attachment.Size( aFileByteSize );
+    
+    if ( MailUtils::IsClosedFileL( attachment ) ) 
+        {
+        MailUtils::InformationNoteL(R_QTN_MAIL_SEND_FORBID_1);
+        result = EFalse;
+        }
+    else if ( iDRMHandler->IsSuperDistributableFileL( attachment ) )
+        {
+        result = MailUtils::ConfirmationQueryL(
+            R_QTN_MAIL_SEND_WO_RIGHTS_SD_1, 
+            R_MAIL_EDITOR_DELETE_MESSAGE );
+        }
+    // attachment
+    CleanupStack::PopAndDestroy();  // CSI: 12 # RFile
+    return result;       
+	}
+
+// ---------------------------------------------------------------------------
+// Verifies that there is enough disk space to add attachment(s)
+// ---------------------------------------------------------------------------
+//
+TBool CMsgAttachmentVerifier::VerifyDiskSpaceL( TInt aAttachmentsByteSize )
+    {
+    TBool result( ETrue );
+    if ( MsvUiServiceUtilities::DiskSpaceBelowCriticalLevelL(
+            iMsvSession, aAttachmentsByteSize ) )
+        {
+        MailUtils::ConfirmationQueryL( R_QTN_MEMLO_NOT_ENOUGH_MEMORY,
+                                       R_MAIL_CONFIRM_NOT_ENOUGH_MEMORY );
+        result = EFalse;
+        }
+    return result;
+    }
+
+
+//  End of File