myclockcontainer.h

Symbian 平台上活动对象的一个实例。

/*
============================================================================
 Name		: MyClockContainer.h
 Author	  : 
 Copyright   : Your copyright notice
 Description : Declares container control for application.
============================================================================
*/

#ifndef MYCLOCKCONTAINER_H
#define MYCLOCKCONTAINER_H

// INCLUDES
#include <coecntrl.h>
_LIT(KTimeFormat,"%T:%S.%*C1");
// FORWARD DECLARATIONS
class CEikLabel;		// for example labels
class CTimerModel;
// CLASS DECLARATION

/**
*  CMyClockContainer  container control class.
*  
*/
class CMyClockContainer : public CCoeControl, MCoeControlObserver
	{
	public: // Constructors and destructor
		
		/**
		* EPOC default constructor.
		* @param aRect Frame rectangle for container.
		*/
		void ConstructL(const TRect& aRect);
		static CMyClockContainer* newL(const TRect& aRect,const CTimerModel& aModel);
		CMyClockContainer(const CTimerModel& aModel);
		/**
		* Destructor.
		*/
		~CMyClockContainer();

	public: // New functions
         void RefreshL();
	public: // Functions from base classes

	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: // constants
       static const TInt KTimeStringLength;
	private: //data
		
		CEikLabel* iLabel;		  // example label

        const CTimerModel& iModel;

	};

#endif // MYCLOCKCONTAINER_H