/*

* 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:  Declares container control for application.

*

*/

#ifndef BTUIMAINCONTAINER_H

#define BTUIMAINCONTAINER_H

#include <aknview.h>    // AVKON components

#include <aknlists.h>

#include "btui.hrh"

#include "BTUIMainView.h"

#include "btengsettings.h"

/**

* This class handles main view dependent requests from user and 

* contains listbox for main view items.

*

*@lib BTUIPlugin.dll

*@since S60 v3.0

*/

class CBTUIMainContainer : public CCoeControl,

                           public MCoeControlObserver,

                           public MEikListBoxObserver

    {

    public: // Constructors and destructor

		/**

        * Symbian 2nd phase constructor.

        */

        void ConstructL( const TRect& aRect, CBTUIMainView* aMainView );

		/**

        * Destructor.

        */

        virtual ~CBTUIMainContainer();

    public: // New functions

        /**

        * Returns the current item index (highlight position) 

        * for main setting list.

        * @param None.

        * @return Current item index.

        */

        TInt CurrentItemIndex();

		/**

        * From MBTUISettingsObserver Handles setting changes.

        * @param aListItem The changed setting item.

        * @return None.

        */

        void SettingChanged( TBTMainListItemIndexes aListItem );

    private: // Functions from base classes

        /**

        * From CoeControl Responds to size changes. 

        * Sets the size and position of the contents of this control.

        * @param None.

        * @return None.

        */

        void SizeChanged();

        /**

        * From CoeControl Gets the number of controls contained 

        * in a compound control.        

        * @param None.

        * @return The number of component controls contained by this control.

        */

        TInt CountComponentControls() const;

        /**

        * From CoeControl Gets the specified component of a compound control.

        * @param aIndex The index of the control to get.

        * @return Reference to the component control.

        */

        CCoeControl* ComponentControl(TInt aIndex) const;

        /**

        * From CoeControl Draws the control.

        * @param aRect The region of the control to be redrawn.

        * @return None.

        */

        void Draw(const TRect& aRect) const;

        /**

        * From CoeControl Handles key events.

        * @param aKeyEvent The key event that occurred.

        * @param aType The event type.

        * @return Response to the key event.

        */

        TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType);       

        /**

        * From MEikListBoxObserver Handles list box events.

        * @param aListBox The originating list box.

        * @param aEventType The event type.

        * @return None.

        */

        void HandleListBoxEventL(CEikListBox* aListBox, TListBoxEvent aEventType);

        /**

        * From MCoeControlObserver Handles an event from an observed control.

        * @param aControl The control that sent the event.

        * @param aEventType The event type.

        * @return None.

        */

        void HandleControlEventL(CCoeControl* aControl, TCoeEvent aEventType);        

        /**

        * From CoeControl Gets the control's help context.

        * @param aContext The control's help context

        * @return None.

        */

        void GetHelpContext(TCoeHelpContext& aContext) const;

        /**

		* From CCoeControl

		*/

		void HandleResourceChange( TInt aType );

		/**

        * From CCoeControl 

        */

		void FocusChanged(TDrawNow /*aDrawNow*/);

    private: // Data

        /**

        *  Friend class for generating format string for main list.

        */

        class TMainListItemArray : public MDesCArray

	        {

            public: // Constructors and destructor

		        /**

		        * C++ default constructor.

		        */                

                TMainListItemArray( CDesCArray* aBtAllItemsArray, CBTUIMainView* aMainView,

                  CBTEngSettings* aBtEngSettings );

            public: // New functions

                /**

                * Returns number of items in array / main list.

                * @param None.

                * @return Number of items.

                */

                TInt MdcaCount() const;      

                /**

                * Returns the current format string for the given item.

                * @param aIndex Index of the item.

                * @return Pointer to the format string.

                */

                TPtrC MdcaPoint(TInt aIndex) const;

            private:

                static void GetSapStatusL( TInt& aStatus );

            private: // Data

                // Local BT name format string

                __MUTABLE TBuf<KBTUIMaxFormattedNameLength> iItemText;

                // No ownership (reference)

                CDesCArray& 				iArray;

                CBTUIMainView*				iMainView;     

        		CBTEngSettings*				iBtEngSettingsRef;

            }; 

        CAknSettingStyleListBox*    iBtMainListBox;		// The setting items list (scrollable)

        CDesCArray*                 iBtAllItemsArray;   // All format string combinations (ownership)

        TMainListItemArray*         iBtListItemArray;   // Format strings for list items

        TInt                        iCurrentItemIndex;  // Current highlighted main list item		

		CBTUIMainView*				iMainView;			

		CBTEngSettings*				iBtEngSettingsRef;

    private: // Friend classes

        friend class TMainListItemArray;

};

#endif