/*

* Copyright (c) 2005-2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  A view to browse a feed's topics.

*

*/

#ifndef FEEDS_TOPIC_VIEW_H

#define FEEDS_TOPIC_VIEW_H

// INCLUDES

#include "BrowserAppViewBase.h"

#include "FeedsTopicContainer.h"

#include <AknToolbarObserver.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class MApiProvider;

// CLASS DECLARATION

/**

*  A view to browse a feed's topics.

*  @lib FeedsEngine.lib

*  @since 3.0

*/

class CFeedsTopicView: public CBrowserViewBase,

                       public MAknToolbarObserver

    {

    public:

        /**

        * Two-phased constructor.

        */

        static CFeedsTopicView* NewL( MApiProvider& aApiProvider,	TRect& aRect );

        /**

        * Destructor.

        */        

        virtual ~CFeedsTopicView();

	public:     // From CBrowserViewBase

        /**

        * Return command set id, to be displayed.

        * @return The command set's resource id.

        */

        TInt CommandSetResourceIdL();

		/**

		* Set command set lsk,rsk,msk dynamically via pointers.

		* Derived classes should implement, though it can be empty.

		* If it does nothing, empty softkeys will be assigned

		* @since 5.0

		*/

		void CommandSetResourceDynL(TSKPair& /*lsk*/, TSKPair& /*rsk*/, TSKPair& /*msk*/) {};

        /**

        * @see CAknView

        */

		void HandleClientRectChange();

	public: // From CAknView

        /**

        * Returns the id of the view.

        *

        * @since ?

        * @return the id.

        */

		virtual TUid Id() const;

        /**

        * Processes commands.

        *

        * @since ?

        * @param aCommand the command to process.

        * @return void.

        */

		virtual void HandleCommandL(TInt aCommand);

    protected: // From CAknView

        /**

        * Called when the view is activated.

        *

        * @since ?

        * @param aPrevViewId the id of the prev view.

        * @param aCustomMessageId The activation message id.

        * @param aCustomMessage Activation params.

        * @return void.

        */

		virtual void DoActivateL(const TVwsViewId& aPrevViewId, TUid aCustomMessageId, 

                const TDesC8& aCustomMessage);

        /**

        * Called when the view is deactivated.

        *

        * @since ?

        * @return void.

        */

		virtual void DoDeactivate();

        /**

        * Disables unrelated menu options.

        *

        * @since ?

        * @param aResourceId  The resource id of the menu.

        * @param aMenuPane The menu.

        * @return void.

        */

		virtual void DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane);

    public: // MAknToolbarObserver

        /**

        * Called when toolbar events occur

        *

        * @since 5.0

        * @return void

        */

        void OfferToolbarEventL( TInt aCommand ) { HandleCommandL(aCommand); }

    public: // New Methods

        /**

        * Sets the current feed

        *

        * @since 3.0

        * @param aFeed The new feed.

        * @param aIndex The inital items to select.

        * @return Void

        */

        void SetCurrentFeedL(const CFeedsEntity& aFeed, TInt aIndex);

        /**

        * Sets the initial item once the view is activated.

        *

        * @since 3.1

        * @param aItemIndex The index of the inital item.

        * @return void

        */

        void SetInitialItem(TInt aItemIndex);

        /**

        * Update the toolbar buttons' state

        *

        * @since 5.0

        * @return void

        */

        void UpdateToolbarButtonsState();

    private:  // New Methods

        /**

        * C++ default constructor.

        */

        CFeedsTopicView( MApiProvider& aApiProvider );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL(TRect& aRect);

    public:  // Friends

        friend class CTopicContainer;

    private:

		CFeedsTopicContainer*  iContainer;

        TBool             iContainerOnStack;

        TInt              iInitialItem;

        TBool             iPenEnabled;

    };

#endif      // FEEDS_TOPIC_VIEW_H

// End of File