/*

* Copyright (c) 2002-2006 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:  Popup list used to display memory selection dialog

*                and file selection dialog.

 *

*/

#ifndef CAKNCOMMONDIALOGSPOPUPLIST_H

#define CAKNCOMMONDIALOGSPOPUPLIST_H

// INCLUDES

#include <aknPopup.h>

#include "CAknCommonDialogsBase.h"

#include "MAknCommonDialogsEventObserver.h"

#include "maknmemoryselectiondriveobserver.h"

// FORWARD DECLARATIONS

class CEikListBox;

//  CLASS DEFINITION

/**

 *  A class derived from CAknPopupList in order to catch events and report

 *  them to the event handler.

 *

 *  @lib CommonDialogs.lib

 *  @since 1.2

 */

NONSHARABLE_CLASS(CAknCommonDialogsPopupList) : public CAknPopupList,

public MAknMemorySelectionDriveObserver

    {

public: // Constructors and destructor

    /**

     * Static constructor.

     * @param aObserver An observer to which events are reported.

     * @param aListBox A parameter for CAknPopupList.

     * @param aType A parameter for CAknPopupList.

     * @param aIsEndKeyPress Get call termination key event.

     * @return Returns a pointer to an instance of itself.

     */

    static CAknCommonDialogsPopupList* NewL(

            MAknCommonDialogsEventObserver& aObserver,

            CEikListBox* aListBox,

            AknPopupLayouts::TAknPopupLayouts aType,

            TBool& aIsEndKeyPress );

    ~CAknCommonDialogsPopupList();

    /**

     * From MAknMemoryCardInsertObserver

     * Update popuplist with new memory names

     * @param aItemArray Memory names from memory selection model

     */

    virtual void NotifyDrivesChangedL(const MDesCArray* aItemArray);

    void HandleFileSystemChangedL(const MDesCArray* aItemArray);

    /**

     * From CCoeControl. To handle the Pointer events.

     * @param aPointerEvent The Pointer event details.

     */

    void HandlePointerEventL( const TPointerEvent& aPointerEvent );

private: // Constructors

    /**

     * Second phase construction.

     * @param aListBox A parameter for CAknPopupList.

     * @param aType A parameter for CAknPopupList.

     */

    void ConstructL(

            CEikListBox* aListBox,

            AknPopupLayouts::TAknPopupLayouts aType );

    /**

     * Constructor.

     * @param aObserver An observer to which events are reported.

     * @param aIsEndKeyPress Get call termination key event

     */

    CAknCommonDialogsPopupList( MAknCommonDialogsEventObserver& aObserver,

            TBool& aIsEndKeyPress );

private: // Functions from base classes 

    /**

     * From CAknPopupList

     */

    void ProcessCommandL( TInt aCommandId );

    /**

     * From CAknPopupList

     */

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

    /**

     * From CAknPopupList

     */

    void HandleListBoxEventL(CEikListBox* aListBox, TListBoxEvent aEventType);

private: // New functions

    /**

     * Implements reporting events to event handler.

     * @param aEvent The event to report.

     * @return Returns ETrue if it is allowed to exit popup.

     */

    TBool ReportPopupEventL( MAknCommonDialogsEventObserver::TEvent aEvent );

    /**

     * Updates the listbox and the pop-up list after listbox items have changed.

     * @param aFocus Focus of the current item.

     * @param aTopIndex Index of the topmost item.

     */

    void UpdateItemsAndRedrawPopupL( TInt aFocus, TInt aTopIndex );

    /**

     * Processes the highlight change event of listbox

     * @param aListBox Listbox being observed.

     */

    void HandleListBoxHighlightChangedL( CEikListBox* aListBox );

private: // Data

    // Ref: Observer to report events

    MAknCommonDialogsEventObserver& iObserver;

    // Ref: Get EndCall key event

    TBool& iEndKey;

    };

#endif // CAKNCOMMONDIALOGSPOPUPLIST_H

// End of File