activeobjappview.h

活动对象的例子,是从诺基亚的网站上下载的

/*
============================================================================
 Name        : ActiveObjView.h
 Author      : 
 Version     :
 Copyright   : Forum Nokia, 2006
 Description : Application view
============================================================================
*/

#ifndef __ACTIVEOBJAPPVIEW_H__
#define __ACTIVEOBJAPPVIEW_H__

// INCLUDES
#include <coecntrl.h>

#include "BubbleSortNotify.h"

class CActiveBubbleSorter;
class CEikLabel;

// CLASS DECLARATION
class CActiveObjAppView : public CCoeControl, MBubbleSortNotify
    {
    public: // New methods

        /**
        * NewL.
        * Two-phased constructor.
        * Create a CActiveObjAppView object, which will draw itself to aRect.
        * @param aRect The rectangle this view will be drawn to.
        * @return a pointer to the created instance of CActiveObjAppView.
        */
        static CActiveObjAppView* NewL( const TRect& aRect );

        /**
        * NewLC.
        * Two-phased constructor.
        * Create a CActiveObjAppView object, which will draw itself
        * to aRect.
        * @param aRect Rectangle this view will be drawn to.
        * @return A pointer to the created instance of CActiveObjAppView.
        */
        static CActiveObjAppView* NewLC( const TRect& aRect );

        /**
        * ~CActiveObjAppView
        * Virtual Destructor.
        */
        virtual ~CActiveObjAppView();

		void SyncSortL();
		void SortL();
		void CancelSortL();
		TBool IsSorting() const { return iIsSorting;}

    public:  // Functions from base classes

        /**
        * From CCoeControl, Draw
        * Draw this CActiveObjAppView to the screen.
        * @param aRect the rectangle of this view that needs updating
        */
        void Draw( const TRect& aRect ) const;

        /**
        * From CoeControl, SizeChanged.
        * Called by framework when the view size is changed.
        */
        virtual void SizeChanged();

		TInt CountComponentControls() const;
		CCoeControl* ComponentControl(TInt aIndex) const;

    private: // Constructors

        /**
        * ConstructL
        * 2nd phase constructor.
        * Perform the second phase construction of a
        * CActiveObjAppView object.
        * @param aRect The rectangle this view will be drawn to.
        */
        void ConstructL(const TRect& aRect);

        /**
        * CActiveObjAppView.
        * C++ default constructor.
        */
        CActiveObjAppView();

	private: // From MBubbleSortNotify
		void SortComplete(TInt aError);
	
	private:

		CEikLabel*            iTopLabel;          
		CEikLabel*            iBottomLabel;      
		CActiveBubbleSorter*  iActiveBubbleSorter;
		TBool                 iIsSorting;
    };

#endif // __ACTIVEOBJAPPVIEW_H__

// End of File