--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlingutilities/thumbnailmanager/thumbnailserver/inc/thumbnailserversession.h	Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,301 @@
+/*
+* Copyright (c) 2006-2007 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:  Server side session for thumbnail engine
+ *
+*/
+
+
+#ifndef THUMBNAILSERVERSESSION_H
+#define THUMBNAILSERVERSESSION_H
+
+#include <e32base.h>
+#include <e32capability.h>
+
+#include "thumbnailmanagerconstants.h"
+
+// FORWARD DECLARATIONS
+class CThumbnailServer;
+
+/**
+ *  Server side session for thumbnail engine.
+ *
+ *  @since S60 v5.0
+ */
+NONSHARABLE_CLASS( CThumbnailServerSession ): public CSession2
+    {
+public:
+
+    /**
+     * Constructor.
+     *
+     * @since S60 v5.0
+     * @return New CThumbnailServerSession session.
+     */
+    CThumbnailServerSession();
+
+    /**
+     * Destructor
+     *
+     * @since S60 v5.0
+     */
+    virtual ~CThumbnailServerSession();
+
+public:
+
+    /**
+     * Message dispatcher.
+     *
+     * @since S60 v5.0
+     * @param aMessage Message to be passed.
+     * @return Error code.
+     */
+    TInt DispatchMessageL( const RMessage2& aMessage );
+
+public:
+    // Functions from base classes
+
+    /**
+     * CreateL
+     *
+     * @since S60 v5.0
+     */
+    void CreateL();
+
+    /**
+     * From CSharableSession (pure virtual).
+     * Handles service request messages from clients.
+     *
+     * @since S60 v5.0
+     * @param aMessage message from client.
+     */
+    void ServiceL( const RMessage2& aMessage );
+
+public:
+    // New functions
+
+    /**
+     * Returns the server pointer.
+     *
+     * @since S60 v5.0
+     * @return Server pointer.
+     */
+    CThumbnailServer* Server();
+
+    /**
+     * Cancellation method.
+     *
+     * @since S60 v5.0
+     */
+    void Cancel();
+
+    /**
+     * Converts SQL error to E32 error.
+     *
+     * @since S60 v5.0
+     * @param aReason Request message complete value which may be SQL error
+     * @return Request message complete value but not SQL error
+     */
+    static TInt ConvertSqlErrToE32Err( TInt aReason );
+    
+    void ResolveMimeTypeL( RFile64* aFile );
+    
+    void ModifyThumbnailSize( TInt aSourceType );
+
+private:
+
+    /**
+     * RequestThumbByFileHandleAsyncL
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void RequestThumbByFileHandleAsyncL( const RMessage2& aMessage );
+
+    /**
+     * RequestThumbByPathAsyncL
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void RequestThumbByPathAsyncL( const RMessage2& aMessage );
+    
+    /**
+     * RequestThumbByIdAsyncL
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */    
+    void RequestThumbByIdAsyncL( const RMessage2& aMessage );
+    
+    /**
+     * RequestSetThumbnailByBufferL
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */        
+    void RequestSetThumbnailByBufferL( const RMessage2& aMessage );
+
+    /**
+     * RequestSetThumbnailByBitmapL
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */        
+    void RequestSetThumbnailByBitmapL( const RMessage2& aMessage );    
+    
+    /**
+     * Fetch thumbnail data from database.
+     *
+     * @since S60 v5.0
+     */
+    void FetchThumbnailL();
+
+    /**
+     * Create a task to generate a new thumbnail
+     *
+     * @since S60 v5.0
+     * @param aFile File handle
+     */
+    void CreateGenerateTaskFromFileHandleL( RFile64* aFile);
+    
+    /**
+     * Create a task to generate a new thumbnail
+     *
+     * @since S60 v5.0
+     * @param aBuffer Source image buffer to be set
+     */
+    void CreateGenerateTaskFromBufferL( TDesC8* aBuffer );
+
+    /**
+     * Process a fetched bitmap by creating scale tasks
+     * or by returning the bitmap as such.
+     *
+     * @since S60 v5.0
+     */
+    void ProcessBitmapL();
+
+    /**
+     * ReleaseBitmap()
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void ReleaseBitmap( const RMessage2& aMessage );
+
+    /**
+     * Cancels pending request.
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     * @return Error code.
+     */
+    TInt CancelRequest( const RMessage2& aMessage );
+
+    /**
+     * Changes priority of pending request.
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     * @return Error code.
+     */
+    TInt ChangePriority( const RMessage2& aMessage );
+
+    /**
+     * Create thumbnails.
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void CreateThumbnailsL( const RMessage2& aMessage );
+
+    /**
+     * Delete thumbnails.
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void DeleteThumbnailsL( const RMessage2& aMessage );
+
+    /**
+     * Delete thumbnails by Id.
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void DeleteThumbnailsByIdL( const RMessage2& aMessage );    
+    
+    /**
+     * Get the required size (in characters) for a buffer that contains the
+     * list of supported MIME types
+     * 
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void GetMimeTypeBufferSizeL( const RMessage2& aMessage );
+
+    /**
+     * Get the list of supported MIME types and store them in the buffer
+     * allocated by the client.
+     * 
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void GetMimeTypeListL( const RMessage2& aMessage );
+    
+    /**
+     * Update thumbnails by Thumbnail ID.
+     * 
+     * 
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    void UpdateThumbnailsL( const RMessage2& aMessage );
+    
+private:
+    // data
+    /**
+     * Temporary store for any bitmaps fetched from the store.
+     * Own.
+     */
+    CFbsBitmap* iBitmap;
+
+    /**
+     * Temporary store for thumbnail request parameters as received
+     * from the client.
+     */
+    TThumbnailRequestParamsPckgBuf iRequestParams;
+
+    /**
+     * Message from client. This is kept in a member variable to make
+     * sure the message is completed if a leave occurs while handling
+     * the request.
+     */
+    RMessage2 iMessage;
+
+    /**
+     * Size of the original object. Only valid if a stored thumbnail
+     * was found when processing a request.
+     */
+    TSize iOriginalSize;
+    
+    /**
+     * Temporary store for any jpegs fetched from the store.
+     * Own.
+     */
+    TDesC8* iBuffer;
+    
+    TInt iBitmapHandle;
+};
+
+#endif // THUMBNAILSERVERSESSION_H