/*
* ============================================================================
*  Name     : CSampleContainer from SampleContainer.h
*  Part of  : Sample
*  Created  : 2005-09-27 by 
*  Description:
*     Declares container control for application.
*  Version  :
*  Copyright: 
* ============================================================================
*/

#ifndef SAMPLECONTAINER_H
#define SAMPLECONTAINER_H

// INCLUDES
#include <coecntrl.h>

#include "coemain.h"		// MCoeForegroundObserver

const int SCREEN_WIDTH = 176;
const int SCREEN_HEIGHT = 208;   
// FORWARD DECLARATIONS
class CEikLabel;        // for example labels

// CLASS DECLARATION

/**
*  CSampleContainer  container control class.
*  
*/
class CSampleContainer : public CCoeControl, MDirectScreenAccess, MCoeForegroundObserver
    {
    public: // Constructors and destructor

        enum TMbmImages
		{
			EMbmImagesImage1,
			EMbmImagesImage2,
			EMbmImagesImage2_mask
		};


        void ConstructL(const TRect& aRect);
        ~CSampleContainer();

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

        void Draw(const TRect& aRect) const;
        
    private: 
        void InitGDI();
		///周期回調函數
		static TInt PeriodicCallBack(TAny *pAny);
		///周期回調函數具體實現即游戲主循環
		void GameCycle();
		// 繼承 MDirectScreenAccess
		void AbortNow(RDirectScreenAccess::TTerminationReasons aReason);
		void Restart(RDirectScreenAccess::TTerminationReasons aReason);
		// 繼承 MCoeForegroundObserver
		void HandleGainingForeground();
		void HandleLosingForeground();
		
		///處理來電，前后臺切換等事件的實現函數
		void AbortNowImpl();
		void StartL();
		void RestartImpl();
		// 重置背景表面數據頭指針
		void ResetBackSurfDataPtr();
		// 加載位圖
		CFbsBitmap* CreateBitmapLC(const TDesC& aFileName,TInt aId);
		// 更新數據
		void Update();
		// 重置GC
		void PartialReset(CFbsBitGc& aGc) const;
			
	private:
		CFbsBitmap*			m_pBackSurface;				// 背景表面	
		CFbsBitGc*    		m_pBackGc;					// 設備環境
		CFbsBitmapDevice*	m_pBackDevice;				// 圖形設備
		TBitmapUtil*		m_pBmpUtil;					// TBitmapUtil實例
		TUint16*			m_pBackSurfaceData;			// 背景平面內存入口地址
		TBool				m_bAbort;					// 程序當前狀態，是否是abort狀態
		TBool				m_bGainingForeground;		// 程序當前是否是前臺
		CFbsBitGc*			m_pGc;						// m_pDSA->Gc()
		CPeriodic*			m_pPeriodic;				// 周期類	
		
		CDirectScreenAccess* m_pDSA;				    // 直接訪屏類

		CFbsBitmap*			m_pBitmap_Ball;				// 紅球圖片
		CFbsBitmap*			m_pBitmap_Background;		// 背景圖片
		CFbsBitmap*			m_pBitmap_Ball_Mask;		// 紅球的蒙版位圖

		TPoint				m_iBallPos;					// 球位置
		int					m_iXVelocity;				// X方向速度
		
    };

#endif

// End of File