--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/harvester/filehandler/inc/mpxplaylistscanner.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,154 @@
+/*
+* 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:  Class to handle playlist parsing
+*
+*/
+
+
+#ifndef CMPXPLAYLISTSCANNER_H
+#define CMPXPLAYLISTSCANNER_H
+
+#include <e32base.h>
+#include <mpxplaylistengineobserver.h>
+
+// FOWARD DECLARATIONS
+class MMPXPlaylistScanObserver;
+class MMPXFileScanStateObserver;
+class CMPXMedia;
+class CMPXMediaArray;
+class CMPXPlaylistEngine;
+class CMPXCollectionType; 
+
+/**
+ *  CMPXPlaylistScanner
+ *  Playlist extraction class
+ *
+ *  @lib mpxfilehandler.lib
+ *  @since S60 v3.0
+ */
+NONSHARABLE_CLASS( CMPXPlaylistScanner ): public CBase,
+                                          public MMPXPlaylistEngineObserver
+    {
+
+public:
+
+    /**
+    * Two-phase constructor
+    * @param aObs observer to the playlist scan
+    * @param aStateObs observer to state changes in scanning
+    * @param aTypes supported collection files
+    */
+    static CMPXPlaylistScanner* NewL( MMPXPlaylistScanObserver& aObs,
+                                      MMPXFileScanStateObserver& aStateObs,
+                                      RPointerArray<CMPXCollectionType>& aTypes );
+
+    /**
+    * Destructor
+    */
+    virtual ~CMPXPlaylistScanner();
+
+public: 
+    
+    /**
+    * Initiates the scanning of the list of playlists 
+    */
+    void ScanL(); 
+    
+    /**
+    * Cancels scanning
+    */
+    void Cancel();
+    
+    /**
+    * Resets any internal variables
+    */
+    void Reset();
+    
+    /**
+    * Add a file to the list for scanning
+    * @param aFile file to add to the new scan list
+    */
+    void AddPlaylistToScanL( const TDesC& aFile );
+    
+    /**
+    * Add a file to the list for update
+    * @param aFile file to add to the update scan list
+    */
+    void AddUpdatedPlaylistToScanL( const TDesC& aFile );
+    
+    /**
+    * Is aFile a playlist file?
+    * @param aFile, file to check
+    * @return ETrue if the file is a playlist, EFalse otherwise
+    */
+    TBool IsPlaylistFileL( const TDesC& aFile );
+     
+protected:
+
+    /**
+    * From MMPXPlaylistEngineObserver
+    */
+    void HandlePlaylistL(CMPXMedia* aPlaylist,
+                         const TInt aError,
+                         const TBool aCompleted );
+
+    /**
+    * From MMPXPlaylistEngineObserver
+    */
+    void HandlePlaylistL(const TDesC& aPlaylistUri,
+                         const TInt aError);    
+
+private:
+
+    /**
+    * Adds/Updates files to the collection
+    */
+    void CompleteFilesL();
+        
+private:
+
+    /**
+    * Constructor
+    * @param aObs observer to the playlist scan
+    * @param aStateObs observer to state changes in scanning
+    * @param aTypes supported collection files
+    */
+    CMPXPlaylistScanner( MMPXPlaylistScanObserver& aObs,
+                         MMPXFileScanStateObserver& aStateObs,
+                         RPointerArray<CMPXCollectionType>& aTypes );
+    
+    /**
+    * 2nd Phase constructor
+    */
+    void ConstructL();
+
+private: // data
+    MMPXPlaylistScanObserver&  iObserver;
+    MMPXFileScanStateObserver& iStateObserver; 
+    TBool                      iExtracting;            // is this object busy?
+    TInt                       iNewPlPending;
+    TInt                       iUpdatePlPending;
+    
+    CDesCArray*                iPlList;  // list of playlist files to scan
+    CDesCArray*                iPlUpdateList; // list of updated playlists;
+    
+    CMPXMediaArray* iPropArray;
+    CMPXMediaArray* iUpdatePropArray;
+    
+    CMPXPlaylistEngine*        iPlEngine;
+    RPointerArray<CMPXCollectionType>& iSupportedTypes;  // not owned
+    };
+
+
+#endif // CMPXPLAYLISTSCANNER_H