vrexlistcontainer.h

S60 实现了录制和播放的功能

/*
* ============================================================================
*  Name     : CVRexListContainer from VRexListContainer.h
*  Part of  : Video Example
*  Created  : 30/08/2006 by Forum  Nokia
*  Implementation notes:
*  Version  : 2.0
*  Copyright: Nokia Corporation, 2006
* ============================================================================
*/

#ifndef VREXLISTCONTAINER_H
#define VREXLISTCONTAINER_H

// INCLUDES
#include <coecntrl.h>
#include <coemain.h>
#include <eiklbo.h>

#include "VRexEngine.h"

// FORWARD DECLARATIONS
class CVRexEngine;
class CVRexListView;
class CAknDoubleNumberStyleListBox;
class CDesC16ArrayFlat;
class CDesC16Array;

// CLASS DECLARATION
/**
*  CVRexContainer  container control class.
*
*/
class CVRexListContainer : public CCoeControl, MCoeControlObserver, 
    MEikListBoxObserver
    {
    public: // Constructors and destructor

        /**
        * EPOC default constructor.
        * @param aRect Frame rectangle for container.
        */
        void ConstructL(const TRect& aRect, CVRexListView* aView, 
            CVRexEngine* aEngine);

        /**
        * Destructor.
        */
        ~CVRexListContainer();

    public: // New functions

		/**
		 * This method gets the total number of items in the list box.
		 * @return number of items
		 */
	    TInt GetNumOfItemsInListBox();

		/**
		 * This method gets the current video file name in the list box.
		 * @param aFileName, output to hold the selected video file name
		 * @return void
		 */
	    void GetCurrentVideoFileNameL(TDes &aFileName);

		/**
		 * This methog gets the current video file name in the list box.
		 * @param aFileName, output to hold the selected video file name
		 * @return void
		 */
		void UpdateFileListL();


    public: // Functions from base classes

      	/**
		 * See CCoeControl::OfferKeyEventL(const TKeyEvent& aKeyEvent,
         * TEventCode aType).
		 */
		TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,
            TEventCode aType);

		/**
		 * See MEikListBoxObserver::HandleListBoxEventL(CEikListBox* aListBox,
         *  TListBoxEvent aEventType)
		 */
		void HandleListBoxEventL(CEikListBox *aListBox, 
            TListBoxEvent aEventType);

    private: // Functions from base classes

       /**
        * From CoeControl,SizeChanged.
        */
        void SizeChanged();

       /**
        * From CoeControl,CountComponentControls.
        */
        TInt CountComponentControls() const;

       /**
        * From CCoeControl,ComponentControl.
        */
        CCoeControl* ComponentControl(TInt aIndex) const;

       /**
        * From CCoeControl,Draw.
        */
        void Draw(const TRect& aRect) const;


		/**
		* From MCoeControlObserver
		* Acts upon changes in the hosted control's state.
		*
		* @param	aControl	The control changing its state
		* @param	aEventType	The type of control event
		*/
        void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);

    private:
		/**
		 * This methog sets the file list.
		 * @param aDirectory, directory code
		 * @param aSizeDate, size/date code
		 * @return void
		 */
		void SetFileListL(TInt aDirectory, TInt aSizeDate);

    private: //data

        CAknDoubleNumberStyleListBox* iListBox;
		CVRexEngine* iEngine;
		CVRexListView* iView;

    };

#endif //VREXLISTCONTAINER_H