/*

* Copyright (c) 2007-2010 Sebastian Brannstrom, Lars Persson, EmbedDev AB

*

* 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:

* EmbedDev AB - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef PODCASTLISTVIEWH

#define PODCASTLISTVIEWH 

#include <aknview.h>

#include <aknlists.h> 

#include <eiklbo.h>

#include <aknsbasicbackgroundcontrolcontext.h>

#include <AknToolbarObserver.h>

#include <AknToolbar.h>

#include <aknlongtapdetector.h>

#include <aknstyluspopupmenu.h>

#include <aknprogressdialog.h> 

#include <aknwaitdialog.h> 

#include "PodcastModel.h"

class CAknDoubleLargeStyleListBox;

class CEikFormattedCellListBox;

class MKeyEventListener {

public:

virtual TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType) = 0;

};

class MPointerListener {

public:

virtual void PointerEventL(const TPointerEvent& aPointerEvent) = 0;

};

class CPodcastListContainer : public CCoeControl

    {

    public: 

		CPodcastListContainer();

		~CPodcastListContainer();

		void ConstructL( const TRect& aRect, TInt aListboxFlags );

		void SizeChanged();

        TInt CountComponentControls() const;

        CCoeControl* ComponentControl( TInt aIndex ) const;

		void HandleResourceChange(TInt aType);

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

		void SetKeyEventListener(MKeyEventListener *aKeyEventListener);

		void SetPointerListener(MPointerListener *aPointerListener);

		CEikFormattedCellListBox* Listbox();

		void ScrollToVisible();

    	void Draw(const TRect& aRect) const;

    	void SetLongTapDetectedL(TBool aLongTapDetected);

    	CEikFormattedCellListBox * iListbox;		

	protected:

		TTypeUid::Ptr MopSupplyObject( TTypeUid aId );

		virtual void HandlePointerEventL(const TPointerEvent& aPointerEvent);

	private:

		MKeyEventListener* iKeyEventListener;

		MPointerListener* iPointerListener;

        CAknsBasicBackgroundControlContext* iBgContext;

		 TBool iLongTapDetected;

	};

class CPodcastListView : public CAknView, public MAknToolbarObserver,

public MPointerListener, public MAknLongTapDetectorCallBack, 

public MProgressDialogCallback, public MKeyEventListener

    {

    public: 

        ~CPodcastListView();

		virtual void UpdateToolbar(TBool aVisible=ETrue) = 0;

		TBool IsVisible();

	protected:

	    void ConstructL();

		CPodcastListView();	

		/** 

		 * Handles a view activation and passes the message of type 

		 * @c aCustomMessageId. This function is intended for overriding by 

		 * sub classes. This function is called by @c AknViewActivatedL().

		 * @param aPrevViewId Specifies the view previously active.

		 * @param aCustomMessageId Specifies the message type.

		 * @param aCustomMessage The activation message.

		 */

		void DoActivateL(const TVwsViewId& aPrevViewId,

	                                  TUid aCustomMessageId,

	                                  const TDesC8& aCustomMessage);

	    /** 

		 * View deactivation function intended for overriding by sub classes. 

		 * This function is called by @c AknViewDeactivated().

		 */

		void DoDeactivate();

		void HandleViewRectChange();

		/** 

		* Event handler for status pane size changes.

		* @c CAknView provides an empty implementation for sub classes that do 

		* not want to handle this event.

		*/

		void HandleStatusPaneSizeChange();

		/** 

		* Command handling function intended for overriding by sub classes. 

		* Default implementation is empty.  

		* @param aCommand ID of the command to respond to. 

		*/

		void HandleCommandL(TInt aCommand);

		void OfferToolbarEventL(TInt aCommand);

		void DynInitToolbarL (TInt aResourceId, CAknToolbar *aToolbar);

		virtual void UpdateListboxItemsL() = 0;

        void RunAboutDialogL();

        void SetEmptyTextL(TInt aResourceId);

        void ShowOkMessageL(TDesC &aText);

        void ShowErrorMessageL(TDesC &aText);

        TInt ShowQueryMessageL(TDesC &aText);

		void CloseToolbarExtension();

		void ShowWaitDialogL(TDesC &aWaitText);

		void CloseWaitDialog();

		// From MAknLongTapDetectorCallBack

		virtual void HandleLongTapEventL( const TPoint& aPenEventLocation, const TPoint& aPenEventScreenLocation );

		// from MProgressDialogCallback		

		void DialogDismissedL(TInt /*aButtonId*/) {}

		// from MKeyEventListener

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

		// from MPointerListener

		void PointerEventL(const TPointerEvent& aPointerEvent);

	protected:

		 CPodcastListContainer* iListContainer;

		 /** Previous activated view */

		 TVwsViewId iPreviousView;

		 /** Listbox flags which the listbox is created with*/

		 TInt iListboxFlags;

		 CDesCArray* iItemArray;

		 RArray<TUint> iItemIdArray;

		 TBuf<1024> iListboxFormatbuffer;

		 CAknToolbar *iToolbar;

		 CAknStylusPopUpMenu* iStylusPopupMenu;

		 CAknLongTapDetector* iLongTapDetector;

		 CAknWaitDialog *iWaitDialog;

    };

#endif // PODCASTBASEVIEWH