--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filesystemuis/memscaneng/serversrc/msengfileextscanner.cpp	Mon Jan 18 20:09:41 2010 +0200
@@ -0,0 +1,208 @@
+/*
+* Copyright (c) 2006-2008 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: 
+*     Scanner class used to scan file system by filename extensions.
+*
+*/
+
+
+// USER INCLUDES
+#include    "msengfileextscanner.h"
+#include    "msenguihandler.h"
+
+
+// ================= MEMBER FUNCTIONS ========================================
+
+// ---------------------------------------------------------------------------
+// CMsengFileExtScanner::CMsengFileExtScanner()
+//
+// C++ default constructor. Can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+CMsengFileExtScanner::CMsengFileExtScanner(MMsengScannerObserver& aObserver, 
+                                           CMsengInfoArray& aScanArray,
+                                           RFs& aFsSession)
+: CMsengFileScanner(aObserver, aScanArray, aFsSession), iMoveToNextDirectory(ETrue)
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CMsengFileExtScanner::NewL()
+//
+// Two-phased constructor
+// ---------------------------------------------------------------------------
+CMsengFileExtScanner* CMsengFileExtScanner::NewL(MMsengScannerObserver& aObserver, 
+                                                 CMsengInfoArray& aScanArray,
+                                                 RFs& aFsSession)
+    {
+    CMsengFileExtScanner* self = 
+        new (ELeave) CMsengFileExtScanner(aObserver, aScanArray, aFsSession);
+    return self;
+    }    
+
+// ---------------------------------------------------------------------------    
+// CMsengFileExtScanner::~CMsengFileExtScanner()
+//
+// Destructor
+// --------------------------------------------------------------------------- 
+CMsengFileExtScanner::~CMsengFileExtScanner()
+    {
+    }
+
+
+
+
+// ---------------------------------------------------------------------------
+// CMsengFileExtScanner::FindFilesL()
+// 
+// ---------------------------------------------------------------------------
+//
+CDir* CMsengFileExtScanner::FindFilesL(const TDesC& aDirectory, TBool& aMoveToNextDirectory)
+    {
+
+    // iMoveToNextDirectory is true only when starting to handle the
+    // current directory. Reset iCurrentExtensionIndex.
+    if(iMoveToNextDirectory)
+        {
+        iCurrentExtensionIndex = -1;
+        iMoveToNextDirectory = EFalse;
+#ifdef __SHOW_RDEBUG_PRINT_
+		RDebug::Print(_L("Entering directory:"));
+		RDebug::Print(_L("%S"), &aDirectory);
+#endif // __SHOW_RDEBUG_PRINT_
+        }
+
+    // This function performs a search for each file in the directory by extension.
+    iCurrentExtensionIndex++;
+    const TPtrC pCurrentExtension(InfoArray().Exts()[iCurrentExtensionIndex]);
+
+#ifdef __SHOW_RDEBUG_PRINT_
+	RDebug::Print(_L("Searching files with extension %d"), iCurrentExtensionIndex);
+#endif // __SHOW_RDEBUG_PRINT_
+
+    // Get a list of results for this directory
+    CDir* results = NULL;
+    TParse parse;
+	TInt error;
+
+	const TInt pathlength = pCurrentExtension.Length() + aDirectory.Length();
+	if ( pathlength > KMaxFileName )
+	{
+	error = KErrNotFound;	
+#ifdef __SHOW_RDEBUG_PRINT_
+	RDebug::Print(_L("Path too long, files with extension %d do not fit to directory"), 
+	    iCurrentExtensionIndex);
+#endif // __SHOW_RDEBUG_PRINT_
+	}
+	
+	else
+	{	
+	FsSession().Parse(pCurrentExtension, aDirectory, parse);
+	error = FsSession().GetDir(parse.FullName(), KEntryAttMaskSupported|KEntryAttAllowUid, 
+	    ESortNone, results);
+	}
+
+    if (error == KErrNotFound)
+        {
+        results = NULL;
+        }
+
+    // Should we move onto searching the next directory
+    // Yes, if this was the last extension.
+    const TInt extensionCount = InfoArray().Exts().Count();
+    iMoveToNextDirectory = (iCurrentExtensionIndex >= extensionCount-1);
+    aMoveToNextDirectory = iMoveToNextDirectory;
+	
+    // Return populated (or potentially NULL) list.
+    return results;
+    }
+
+// ---------------------------------------------------------------------------
+// CMsengFileExtScanner::HandleLocatedEntryL()
+// 
+// 
+// ---------------------------------------------------------------------------
+//
+CMsengFileScanner::TLocationResponse CMsengFileExtScanner::HandleLocatedEntryL(
+					const TDesC& aFullFileNameAndPath, const TEntry& aEntry)
+    {
+    TLocationResponse response = EEntryWasDiscarded;
+    const TInt KUidLocation = 2;
+    TUid fileUid = aEntry[KUidLocation];
+    
+    if ( fileUid == KNullUid )
+        {
+        // Check whether extension found in special data dir
+        TBool addSize( ETrue );
+        TInt dataDirCount = InfoArray().DataDirs().Count();
+        for(TInt i=0; i < dataDirCount; i++)
+            {
+            TPtrC dataDirPath = InfoArray().DataDirs().MdcaPoint(i);
+
+            if(aFullFileNameAndPath.Length() >= dataDirPath.Length())
+                {
+                TFileName currentPath;
+                currentPath.Copy(aFullFileNameAndPath.Left(dataDirPath.Length()));
+
+                // Compare whether folder matches
+                if(!currentPath.CompareF(dataDirPath))
+                    {
+                    addSize = EFalse;
+                    break;
+                    }
+                }
+            }
+
+        if( addSize )
+            {
+            // Add size of object
+            InfoArray().AddSizeByExtL(iCurrentExtensionIndex, aEntry.iSize);
+
+#ifdef __SHOW_RDEBUG_PRINT_
+        	const TInt pathlength = aFullFileNameAndPath.Length();
+        	
+        	if ( pathlength < KMaxFileName )
+        		{	
+        		RDebug::Print(_L("File: %S, extension number: %d, size: %d"), 
+        		    &aFullFileNameAndPath, iCurrentExtensionIndex, aEntry.iSize);
+        		}
+        	else
+        		{
+        		RDebug::Print(_L("File: see next line, extension number: %d, size: %d"), 
+        		    iCurrentExtensionIndex, aEntry.iSize );
+        		RDebug::Print(_L("Can not print %d characters long file name"), pathlength );
+        		}
+#endif // __SHOW_RDEBUG_PRINT_
+
+            // We processed this one
+            response = EEntryWasProcessed;
+            }
+        }
+    else
+        {
+#ifdef __SHOW_RDEBUG_PRINT_
+        RDebug::Print(_L("Handling file: %S, file Uid: 0x%x"), 
+            &aFullFileNameAndPath, fileUid.iUid);
+#endif // __SHOW_RDEBUG_PRINT_
+    
+        // Make sure other than native applications are not calculated
+        if( iCurrentExtensionIndex == EExtSis || iCurrentExtensionIndex == EExtSisx )
+            {
+            InfoArray().AddSizeByExtL(iCurrentExtensionIndex, aEntry.iSize);
+            }
+        }
+        
+    return response;
+    }
+
+//  End of File