diff -r 000000000000 -r 2f259fa3e83a psln/pslnslidesetdialog/inc/pslnslidesetmodel.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/psln/pslnslidesetdialog/inc/pslnslidesetmodel.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,212 @@
+/*
+* 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:  Slide set settings model.
+*
+*/
+
+
+#ifndef C_PSLNSLIDESETMODEL_H
+#define C_PSLNSLIDESETMODEL_H
+
+#include <e32base.h>
+#include <badesca.h>
+
+class CRepository;
+
+/**
+ *  This is model class for slide set settings. 
+ *
+ *  It stores and retrieves setting values.
+ *
+ *  @lib pslnslidesetsettings.lib
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CPslnSlideSetModel ): public CBase
+    {
+public:
+
+    /**
+     * Symbian OS two-phased constructor
+     * @return CPslnSlideSetModel instance.
+     */
+    static CPslnSlideSetModel* NewL();
+
+    /**
+     * Symbian OS two-phased constructor
+     * @return CPslnSlideSetModel instance.
+     */
+    static CPslnSlideSetModel* NewLC();
+
+    /**
+     * Destructor.
+     */
+    virtual ~CPslnSlideSetModel();
+
+    /**
+     * Returns current selection for slide set type: random / image set.
+     *
+     * @param aSlideSetType slide set type: wallpaper / screensaver.
+     * @return current value for slide set type. In case of error, 
+     *         default value is returned.
+     */
+    TInt GetSlideSetType( const TInt aSlideSetType ) const;
+
+    /**
+     * Stores new slide set image selection type value to repository
+     *
+     * @param aSlideSetType slide set type: wallpaper / screensaver.
+     * @param aValue new value for slide set image selection type.
+     * @return KErrNone, if operation is successful; otherwise either
+     *         repository given error code, or if the aValue is not 
+     *         valid, KErrArgument.
+     */
+    TInt SetSlideSetType( const TInt aSlideSetType, const TInt aValue );
+
+    /**
+     * Returns current selection for screensaver slide set duration.
+     *
+     * @return current value for slide set type. In case of error, 
+     *         default value is returned.
+     */
+    TInt GetSlideSetDuration() const;
+
+    /**
+     * Stores new slide set duration value to repository.
+     *
+     * @param aValue new value for slide set duration.
+     * @return KErrNone, if operation is successful; otherwise either
+     *         repository given error code, or if the aValue is not 
+     *         valid, KErrArgument.
+     */
+    TInt SetSlideSetDuration( const TInt aValue );
+
+    /**
+     * Returns current selection for screensaver slide set backlight period.
+     *
+     * @return current value for slide set backlight period. In case of error, 
+     *         default value is returned.
+     */
+    TInt GetSlideSetBacklight() const;
+
+    /**
+     * Stores new slide set backlight period value to repository.
+     *
+     * @param aValue new value for slide set backlight period.
+     * @return KErrNone, if operation is successful; otherwise either
+     *         repository given error code, or if the aValue is not 
+     *         valid, KErrArgument.
+     */
+    TInt SetSlideSetBacklight( const TInt aValue );
+
+    /**
+     * Returns current selection for screensaver slide set image interval.
+     *
+     * @return current value for slide set image interval. In case of error, 
+     *         default value is returned.
+     */
+    TInt GetSlideSetInterval() const;
+
+    /**
+     * Stores new slide set image interval value to repository.
+     *
+     * @param aValue new value for slide set image interval.
+     * @return KErrNone, if operation is successful; otherwise either
+     *         repository given error code, or if the aValue is not 
+     *         valid, KErrArgument.
+     */
+    TInt SetSlideSetInterval( const TInt aValue );
+
+    /**
+     * Stores list of image filenames to be used as slide set image set.
+     *
+     * @param aSelectedFiles list of files to set as wallpaper slide set.
+     */
+    void SetImageListL( 
+        const TInt aSlideSetType, 
+        CDesCArray& aSelectedFiles, 
+        const TInt aLaunchMode );
+
+    /**
+    * Checks if the slide set file exists.
+    * 
+    * @param aSlideSetType type of slide set (wallpaper/screensaver).
+    * @return ETrue if file exists, otherwise EFalse.
+    */
+    TBool SlideSetImageFileExistsL( const TInt aSlideSetType ) const;
+
+    /**
+    * Checks if there has been changes to image list. 
+    * 
+    * @return ETrue if image list has been changed, EFalse otherwise.
+    */
+    TBool HasDialogUpdatedValues() const;
+
+    /**
+    * Count the number of images in the image file.
+    * @param aSlideSetType type of slide set (wallpaper/screensaver).
+    * @return number of images in the file, or zero if no file exists.
+    */
+    TInt GetImageCountInSlideSetL( const TInt aSlideSetType ) const;
+    
+    /**
+    * Sets feature support - see pslnslidesetconst.h for feature list.
+    * @param aFeatureBitFlags feature support bitflags.
+    */
+    void GetFeatureSupportL( TBitFlags& aFeatureBitFlags ) const;
+
+private:
+
+    /**
+    * C++ constructor.
+    */
+    CPslnSlideSetModel();
+
+    /**
+    * Symbian 2nd phase constructor.
+    */
+    void ConstructL();
+
+    /**
+    * Stores image list to a file.
+    */
+    void StoreImageListToFileL( 
+        const TInt aSlideSetType, CDesCArray& aSelectedFiles ) const;
+
+    /**
+    * Opens image list file for operations.
+    */
+    void OpenImageFileL( RFile& aImageFile, const TInt aSlideSetType ) const;
+
+private: // data
+
+    /**
+     * Central repository object. Used for storing and retrieving data.
+     * Own.
+     */
+    CRepository* iRepository;
+
+    /**
+     * Indicates if the slide set image list has been changed.
+     */
+    TBool iImageListChanged;
+    
+    /**
+     * Coe environment reference.
+     * Own.
+     */
+    CCoeEnv* iCoeEnv;
+    };
+
+
+#endif // C_PSLNSLIDESETMODEL_H