diff -r 5456b4e8b3a8 -r 3321d3e205b6 idlehomescreen/examples/carouselwidgetexample/publisher/inc/carouselpluginengine.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/examples/carouselwidgetexample/publisher/inc/carouselpluginengine.h	Tue Sep 14 20:58:58 2010 +0300
@@ -0,0 +1,250 @@
+/*
+* Copyright (c) 2009 - 2010 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: 
+*
+*/
+
+
+#ifndef CMCSPLUGINENGINE_H
+#define CMCSPLUGINENGINE_H
+
+// System includes
+#include <e32base.h>
+#include <mcsmenu.h>
+#include <mcsmenuitem.h>
+#include <mcsmenunotifier.h>
+#include <msvapi.h>
+
+// User includes
+#include "carouselpluginwatcher.h"
+
+// Forward declarations
+class CGulIcon;
+class CCarouselPluginData;
+class CCarouselData;
+class CCarouselPlugin;
+
+
+/**
+ * @ingroup group_mcsplugin
+ *
+ * MCSPluginEngine class
+ *
+ * @since S60 5.2
+ */
+NONSHARABLE_CLASS( CCarouselPluginEngine ) : public CBase, 
+    public MCarouselPluginWatcherObserver,
+    public MMsvSessionObserver
+    {
+public:  
+    // constructor and destructor
+
+    /**
+    * Part of the two phased constuction
+    *
+    * @param aPlugin
+    * @param aInstanceUid
+    * @return Pointer to the created CMCSPluginEngine object
+    */
+    static CCarouselPluginEngine* NewL( CCarouselPlugin& aPlugin, 
+        const TDesC8& aInstanceUid );
+
+    /**
+    * Destructor
+    *
+    * @param none
+    * @return none
+    */
+    ~CCarouselPluginEngine();
+
+private:
+    // constructors
+    
+    /**
+     * C++ default constructor 
+     */
+    CCarouselPluginEngine( CCarouselPlugin& aPlugin, const TDesC8& aInstanceUid );
+
+    /*
+     * 2nd phase constructor
+     */
+    void ConstructL();
+    
+public:
+    // new functions
+    
+    /**
+     * Gets the menu data.
+     * 
+     * @param aIndex
+     * @return TMCSData&
+     */
+    CCarouselData& MenuDataL( const TInt& aIndex );
+
+    /** Gets the menu item count
+     * 
+     * @return TInt
+     */
+    TInt MenuItemCount();
+
+    /**
+     * Finds the menu item header for given filter.
+     * 
+     * @param aFilter
+     * @return TMenuItem
+     */
+    TMenuItem FindMenuItemL( CMenuFilter& aFilter );
+
+    /**
+     * Retrieves the menu item object from MCS.
+     * 
+     * @param aMenuItem
+     * @return CMenuItem*
+     */
+    CMenuItem* FetchMenuItemL( CCarouselData& aData);
+    
+    /**
+     * Returns icon for given menu item and given attribute
+     * 
+     * @param aMenuItem
+     * @param aAttr
+     * @return CGulIcon*
+     */
+    CGulIcon* ItemIconL( CMenuItem* aMenuItem, const TDesC& aAttr );
+
+    /**
+     * Returns text for given menu item and given attribute
+     * 
+     * @param aMenuItem
+     * @param aAttr
+     */
+    TPtrC ItemTextL( CMenuItem* aMenuItem, const TDesC& aAttr );
+
+    /** 
+     * Launches menu item
+     * 
+     * @param aIndex
+     */
+    void LaunchItemL( const TInt& aIndex );
+
+    /**
+    * Set backup/restore state
+    *
+    * @param aBackupRestore ETrue if backup/restore is ongoing 
+    * @return void
+    */
+    void SetBackupRestore( TBool aBackupRestore );
+
+    /**
+     * ShowSettingsL
+     */
+    void ShowSettingsL();
+
+private:
+    // from MMCSPluginWatcherObserver
+    
+    /**
+     * @see MMCSPluginWatcherObserver 
+     */
+    void HandleNotifyL();
+
+private:    
+    // from MMsvSessionObserver
+
+    /**
+     * @see MMsvSessionObserver
+     */    
+    void HandleSessionEventL( TMsvSessionEvent aEvent, TAny* aArg1,
+        TAny* aArg2, TAny* aArg3 );
+
+private:
+    // new functions
+
+    /**
+     * InitL
+     */
+    void InitL();
+    
+    /**
+     * Tells the settings container to start observing 
+     * for changes in mailbox db and changes in MCS.
+     */
+    void StartObservingL();
+
+    /**
+     * Tells the settings container to stop observing 
+     * for changes in mailbox db.     
+     */
+    void StopObserving();
+
+    /**
+     * ConstructMenuItemForIconL
+     * 
+     * @param aPath
+     * @param aMenuItem
+     * @return TBool
+     */
+    TBool ConstructMenuItemForIconL( 
+        const TDesC& aPath, CMenuItem& aMenuItem );
+
+    /**
+     * Creates bookmark specific MCS menu item.
+     */
+    CMenuItem* CreateBkmItemL( CCarouselData& aData );
+    
+    /**
+     * Creates mailbox specific MCS menu item.
+     */
+    CMenuItem* CreateMailboxItemL( CCarouselData& aData );
+    
+    void LaunchFolderItemL( CCarouselData& aData );
+    
+    void LaunchBookmarkItemL( CCarouselData& aData );
+    
+    void LaunchMailboxItemL( CCarouselData& aData );
+    
+    void LaunchMCSItemL( CCarouselData& aData );
+
+private:
+    // data
+    
+    /** Plugin data, owned */
+    CCarouselPluginData* iPluginData;
+    /** MCS resource handle, owned */
+    RMenu iMenu;
+    /** MCS change notifier handle, owned */
+    RMenuNotifier iNotifier;
+    /** MCS asynchronous operation watcher, owned */
+    CCarouselPluginWatcher* iWatcher;
+    /** MCS change notifier watcher, owned */
+    CCarouselPluginWatcher* iNotifyWatcher;
+    /** MCS plugin, not owned */
+    CCarouselPlugin& iPlugin;
+    /** Reference to plugin owned instanceUid */
+    const TDesC8& iInstanceUid;
+    /** Flag Indicating that backup/restore is in progress */
+    TBool iBackupRestore;
+    /** Offset of resource file */
+    TInt iResourceOffset;
+    /** Message server session, owned */
+    CMsvSession* iMsvSession;        
+    /** "Undefined" menu item, owned */
+    CMenuItem* iUndefinedItem;
+    /** "Undefined" menu item header */
+    TMenuItem iUndefinedItemHeader;    
+    };
+
+#endif // CMCSPLUGINENGINE_H
+
+// End of file