axmol/cocos2dx/touch_dispatcher/CCTouchHandler.h

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2009      Valentin Milea

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#ifndef __TOUCH_DISPATCHER_CCTOUCH_HANDLER_H__
#define __TOUCH_DISPATCHER_CCTOUCH_HANDLER_H__

#include "CCTouchDelegateProtocol.h"
#include "CCTouchDispatcher.h"
#include "cocoa/CCObject.h"
#include "cocoa/CCSet.h"

NS_CC_BEGIN

/**
 * @addtogroup input
 * @{
 */

/**
 TouchHandler
 Object than contains the delegate and priority of the event handler.
*/
class CC_DLL  TouchHandler : public Object
{
public:
    virtual ~TouchHandler(void);

    /** delegate */
    TouchDelegate* getDelegate();
    void setDelegate(TouchDelegate *pDelegate);

    /** priority */
    int getPriority(void);
    void setPriority(int nPriority);

    /** enabled selectors */
    int getEnabledSelectors(void);
    void setEnalbedSelectors(int nValue);

    /** initializes a TouchHandler with a delegate and a priority */
    bool initWithDelegate(TouchDelegate *pDelegate, int nPriority);

public:
    /** allocates a TouchHandler with a delegate and a priority */
    static TouchHandler* handlerWithDelegate(TouchDelegate *pDelegate, int nPriority);

protected:
    TouchDelegate *_delegate;
    int _priority;
    int _enabledSelectors;
};

/** StandardTouchHandler
 It forwards each event to the delegate.
 */
class CC_DLL  StandardTouchHandler : public TouchHandler
{
public:
    /** initializes a TouchHandler with a delegate and a priority */
    bool initWithDelegate(TouchDelegate *pDelegate, int nPriority);

public:
    /** allocates a TouchHandler with a delegate and a priority */
    static StandardTouchHandler* handlerWithDelegate(TouchDelegate *pDelegate, int nPriority);
};

/**
 TargetedTouchHandler
 Object than contains the claimed touches and if it swallows touches.
 Used internally by TouchDispatcher
 */
class CC_DLL  TargetedTouchHandler : public TouchHandler
{
public:
    ~TargetedTouchHandler(void);

    /** whether or not the touches are swallowed */
    bool isSwallowsTouches(void);
    void setSwallowsTouches(bool bSwallowsTouches);

    /** MutableSet that contains the claimed touches */
    Set* getClaimedTouches(void);

    /** initializes a TargetedTouchHandler with a delegate, a priority and whether or not it swallows touches or not */
    bool initWithDelegate(TouchDelegate *pDelegate, int nPriority, bool bSwallow);

public:
    /** allocates a TargetedTouchHandler with a delegate, a priority and whether or not it swallows touches or not */
    static TargetedTouchHandler* handlerWithDelegate(TouchDelegate *pDelegate, int nPriority, bool bSwallow);

protected:
    bool _swallowsTouches;
    Set *_claimedTouches;
};

// end of input group
/// @}

NS_CC_END

#endif // __TOUCH_DISPATCHER_CCTOUCH_HANDLER_H__