/*

* Copyright (c) 2009 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:  MR Toolbar

*

*/

#ifndef CMRTOOLBAR_H

#define CMRTOOLBAR_H

// INCLUDES

#include <e32base.h>

#include <akntoolbarobserver.h>

// FORWARD DECLARATIONS

class CMRAsynchCmd;

// CLASS DECLARATIONS

NONSHARABLE_CLASS( CMRToolbar ) : public CBase, public MAknToolbarObserver

    {

    public:

        /// Context of the toolbar

        enum TToolbarContext

            {

            EMRViewerOrganizer = 1,

            EMRViewerAttendee,

            EMRViewerFromMailApp,

            ECustom = 100 // User has customized the toolbar with own buttons

            };

    public:

        /**

         * C'tor

         */

        static CMRToolbar* NewL();

        /**

         * D'tor

         */

        ~CMRToolbar();

    public: // Interface

        /**

         * Initialize toolbar with native toolbar and the context

         * @param aContext Toolbar's context, defined the button set

         * @param aNativeToolbar Avkon toolbar, if NULL the 

         *      Appui::CurrentFixedToolbar() is used to get the toolbar

         */

        void InitializeToolbarL( 

                TToolbarContext aCntx,

                CAknToolbar* aNativeToolbar = NULL );        

        /**

         * Sets the toolbar's, aNativeToolbar or CurrentFixedToolbar, 

         * visiblity as aShowToolbar. Toolbar's visibility is restored in 

         * class' d'tor

         * @param aShowToolbar If ETrue sets toolbar visible, 

         *          otherwise hides toolbar 

         */

        void ShowToolbar( TBool aShowToolbar );

        /**

         * Set on toolbar event observer

         * @param aObserver Pointer to observer, ownership is not transferred

         */

        void SetObserver( MAknToolbarObserver* aObserver );

        /*

         * Returns the rect of the current toolbar. If not in use, returns

         * zero rect.

         * @return Rect of the toolbar in use. 

         */

        TRect Rect();

    private: // From MAknToolbarObserver

        void DynInitToolbarL ( TInt aResourceId, CAknToolbar *aToolbar );

        void OfferToolbarEventL ( TInt aCommand );

    private: // Implementation

        CMRToolbar();

        void ConstructL();

        void ConstructToolbarL( TToolbarContext aCntx );

        void ConstructButtonL( TInt aResId, TInt aIndex );

        void RemovePreviousItems();

    private: // Data

        /// Ref: Current application toolbar

        CAknToolbar* iToolbar;

        /// Ref: Observer for toolbar events

        MAknToolbarObserver* iObserver;

        /// Own: Context of the toolbar

        TToolbarContext iCntx;

        /// Own: Item id array, needed for cleaning up the toolbar in d'tor

        RArray<TInt> iItemIdArray;

        /// Own: Asynchronous command notifier

        CMRAsynchCmd* iAsyncCmd;

        /// Own: Flag for the visibility change

        TBool iVisibilityChanged;

        /// Own: copy of previous application toolbar

        CAknToolbar* iPreviousToolbar;

        /// To record if the toolbar in previous view is visible.

        TBool iPreviousVisibility;

        /// Ref: Observer for toolbar visibility

    };

#endif // CMRTOOLBAR_H

// End of file