filesystemuis/memscaneng/serverinc/msengdirectoryscanner.h
changeset 0 6a9f87576119
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filesystemuis/memscaneng/serverinc/msengdirectoryscanner.h	Mon Jan 18 20:09:41 2010 +0200
@@ -0,0 +1,125 @@
+/*
+* Copyright (c) 2002 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: 
+*     Scan directories.
+*
+*/
+
+
+#ifndef MSENGDIRECTORYSCANNER_H
+#define MSENGDIRECTORYSCANNER_H
+
+// USER INCLUDES
+#include "msengscannerbase.h"
+
+
+// CLASS DECLARATION
+
+/**
+*  This class identifies all subdirectories based upon a given root path
+*/
+class CMsengDirectoryScanner : public CMsengScannerBase
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * C++ default constructor.
+        */
+        CMsengDirectoryScanner(MMsengScannerObserver& aObserver, 
+            CMsengInfoArray& aScanArray, RFs& aFsSession);
+        
+        /**
+        * Destructor.
+        */
+        ~CMsengDirectoryScanner();
+
+		/**
+		*
+		*/
+		enum TScanDirectoryResult
+			{
+			EContinueToNextDirectory = 0,
+			EContinueProcessingCurrentDirectory
+			};
+
+    public: // New functions
+        
+        /**
+        * Start the scan operation.
+        */
+        void ScanL(const CDesCArray& aRootDirs);
+
+	protected: // From CMsengScannerBase
+
+        /**
+        * Do one incremental scanning step
+        */
+        virtual TStepResult PerformStepL();
+
+	protected: // New framework
+
+        /**
+        * This is called when one directory needs scanning
+        */
+        virtual TScanDirectoryResult ScanDirectoryL(const TDesC& aDirectory, RFs& aFsSession) = 0;
+
+        /**
+        * Use this function to add a new directory to the list of
+        * directories which require scanning
+        */
+        void AppendDirectoryL(const TDesC& aDirectory);
+
+    private:
+
+        /**
+        *
+        */
+        enum TState
+            {
+            EExpandingRootDirs = 0,
+            EParsingExpandedList,
+            EScanningSubDirs
+            };
+
+    private:
+
+        /**
+        *
+        */
+        TState iState;
+
+        /**
+        *
+        */
+        TInt iCurrentIndex;
+
+        /**
+        *
+        */
+        CDirScan* iScanner;
+
+        /**
+        *
+        */
+        TInt iNumberOfRootDirectories;
+
+        /**
+        *
+        */
+        CDesCArray* iDirectoryList;
+    };
+
+#endif      // MSENGDIRECTORYSCANNER_H   
+            
+// End of File