GUIImageCacheReplacementPolicy.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef GUIIMAGECACHEREPLACEMENTPOLICY_H
#define GUIIMAGECACHEREPLACEMENTPOLICY_H
 
#include "GUIImageResource.h"
#include "eC_Types.h"
 
class CGUIImageCacheReplacementManager;
 
enum ReplacementPolicyType_t
{
    IC_REPLACEMENT_POLICY_DUMMY  = 0,  
    IC_REPLACEMENT_POLICY_GREEDY = 1,  
    IC_REPLACEMENT_POLICY_FIFO   = 2,  
    IC_REPLACEMENT_POLICY_LRU    = 3   
};
 
class CGUIImageCacheReplacementPolicy
{
public:
 
    static CGUIImageCacheReplacementPolicy* CreateReplacementPolicyForType(const ReplacementPolicyType_t& eType, CGUIImageCacheReplacementManager* pManager);
 
    CGUIImageCacheReplacementManager* GetImageCacheReplacementManager(void);
 
    virtual eC_Bool Add(const ImageResource_t& eImageID, eC_UInt uiSize) = 0;
 
    virtual ImageResource_t Remove() =0;
 
    virtual eC_Bool Bump(const ImageResource_t& eImageID);
 
    virtual ReplacementPolicyType_t GetPolicyType() const=0;
 
    virtual ~CGUIImageCacheReplacementPolicy() {}
 
protected:
    CGUIImageCacheReplacementManager* m_pCacheManager;
};
 
#endif //GUIIMAGECACHEREPLACEMENTPOLICY_H