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Copyright (c) 2010-2011 cocos2d-x.org
Copyright (c) 2010      Lam Pham

http://www.cocos2d-x.org

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of this software and associated documentation files (the "Software"), to deal
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****************************************************************************/
#ifndef __MISC_NODE_CCPROGRESS_TIMER_H__
#define __MISC_NODE_CCPROGRESS_TIMER_H__

#include "CCSprite.h"

namespace cocos2d
{
/** Types of progress
 @since v0.99.1
 */
typedef enum {
	/// Radial Counter-Clockwise
	kCCProgressTimerTypeRadial,
	/// Bar
	kCCProgressTimerTypeBar,
} CCProgressTimerType;

/**
 @brief CCProgresstimer is a subclass of CCNode.
 It renders the inner sprite according to the percentage.
 The progress can be Radial, Horizontal or vertical.
 @since v0.99.1
 */
class CC_DLL CCProgressTimer : public CCNode, public CCRGBAProtocol
{
public:
	~CCProgressTimer(void);

	/**	Change the percentage to change progress. */
	inline CCProgressTimerType getType(void) { return m_eType; }

	/** Percentages are from 0 to 100 */
	inline float getPercentage(void) {return m_fPercentage; }

	/** The image to show the progress percentage, retain */
	inline CCSprite* getSprite(void) { return m_pSprite; }

	/** Initializes a progress timer with the sprite as the shape the timer goes through */
	bool initWithSprite(CCSprite* sp);

	void setPercentage(float fPercentage);
	void setSprite(CCSprite *pSprite);
	void setType(CCProgressTimerType type);
	void setReverseProgress(bool reverse);

	virtual void draw(void);
	void setAnchorPoint(CCPoint anchorPoint);

	virtual void setColor(const ccColor3B& color);
	virtual const ccColor3B& getColor(void);
    virtual GLubyte getOpacity(void);
	virtual void setOpacity(GLubyte opacity);
	virtual void setIsOpacityModifyRGB(bool bValue);
	virtual bool getIsOpacityModifyRGB(void);

public:
	/** Creates a progress timer with the sprite as the shape the timer goes through */
	static CCProgressTimer* progressWithSprite(CCSprite* sp);

protected:
	ccTex2F textureCoordFromAlphaPoint(CCPoint alpha);
	ccVertex2F vertexFromAlphaPoint(CCPoint alpha);
	void updateProgress(void);
	void updateBar(void);
	void updateRadial(void);
	void updateColor(void);
	CCPoint boundaryTexCoord(char index);

protected:
	CCProgressTimerType m_eType;
	float m_fPercentage;
	CCSprite *m_pSprite;
	int m_nVertexDataCount;
	ccV2F_C4B_T2F *m_pVertexData;

	/**
	 *	Midpoint is used to modify the progress start position.
	 *	If you're using radials type then the midpoint changes the center point
	 *	If you're using bar type the the midpoint changes the bar growth
	 *		it expands from the center but clamps to the sprites edge so:
	 *		you want a left to right then set the midpoint all the way to ccp(0,y)
	 *		you want a right to left then set the midpoint all the way to ccp(1,y)
	 *		you want a bottom to top then set the midpoint all the way to ccp(x,0)
	 *		you want a top to bottom then set the midpoint all the way to ccp(x,1)
	 */
	CC_PROPERTY(CCPoint, m_tMidpoint, Midpoint);

	/**
	 *	This allows the bar type to move the component at a specific rate
	 *	Set the component to 0 to make sure it stays at 100%.
	 *	For example you want a left to right bar but not have the height stay 100%
	 *	Set the rate to be ccp(0,1); and set the midpoint to = ccp(0,.5f);
	 */
	CC_SYNTHESIZE(CCPoint, m_tBarChangeRate, BarChangeRate);

	CC_SYNTHESIZE(bool ,m_bReverseDirection, IsReverseDirection);

private:
	CCProgressTimer();
};

}

#endif //__MISC_NODE_CCPROGRESS_TIMER_H__