GUIImageCacheReplacementManagerImpl.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 CGUIIMAGECACHEREPLACEMENTMANAGERIMPL_H
#define CGUIIMAGECACHEREPLACEMENTMANAGERIMPL_H
 
#include "GUIImageCacheReplacementManager.h"
#include "GUIImageCache.h"
#include "eC_TList_doubleLinked.h"
 
struct ImageCacheItem_t; // forward declaration, defined at bottom of file
 
class CGUIImageCacheReplacementManagerImpl : public CGUIImageCacheReplacementManager
{
public:
    eC_Bool AddAtFront(const ImageResource_t& eImageID, eC_UInt uiSize);
 
    eC_Bool AddSortedBySize(const ImageResource_t& eImageID, eC_UInt uiSize);
 
    eC_Bool BringToFront(const ImageResource_t& eImageID);
 
    eC_Bool Contains(const ImageResource_t& eImageID) const;
 
    eC_UInt GetSize() const;
 
    eC_UInt GetQuantity() const;
 
    eC_Bool IsEmpty() const;
 
    eC_Bool Remove(const ImageResource_t& eImageID);
 
    ImageResource_t RemoveFromEnd();
 
    CGUIImageCacheReplacementManagerImpl();
 
    ~CGUIImageCacheReplacementManagerImpl();
 
private:
    // no copy constructor
    CGUIImageCacheReplacementManagerImpl(const CGUIImageCacheReplacementManagerImpl&);
 
private:
    eC_TListDoubleLinked<ImageCacheItem_t>* m_pCacheList;
 
    eC_UInt m_uiListSize;
};
 
struct ImageCacheItem_t
{
    ImageResource_t m_eImageID;
 
    ImageCacheItem_t()
    {
        m_eImageID = DUMMY_IMAGE;
    }
 
    eC_Bool operator== (const ImageCacheItem_t& pItem1) const
    {
        return (m_eImageID == pItem1.m_eImageID);
    }
 
    eC_Bool operator> (const ImageCacheItem_t& pItem1) const
    {
        return (GETIMGCACHE->GetImageSize(m_eImageID) > GETIMGCACHE->GetImageSize(pItem1.m_eImageID));
    }
};
 
#endif //CGUIIMAGECACHEREPLACEMENTMANAGERIMPL_H