GUIGeneralResourceManager.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 __GUIGENERALRESOURCEMANAGER_H__
#define __GUIGENERALRESOURCEMANAGER_H__
 
#include "eC_Types.h"
#include "eC_File.h"
#include "eC_String.h"
#include "GUIRefCntPtr.h"
#include "GUIGeneralResource.h"
 
#include "GUIComponentManager.h"
 
class CGUIGeneralResourceObserver
{
public:
    virtual void OnResourceChange() = 0;
};
 
class CGUIGeneralResourceInterpreter
{
public:
    virtual ~CGUIGeneralResourceInterpreter() {}
 
    virtual void Interpret(eC_File* pkFile) = 0;
};
 
#define GETGENERALRESMANAGER CGUIComponentManager::GetInstance().GetGeneralResourceManager()
 
class CGUIGeneralResourceManager
{
    friend class CGUIResourceManager; 
    friend class CGUIComponentManager; 
 
public:
    static void CreateInstance();
 
    static void DeleteInstance();
 
    void ApplyInterpreter(
        GeneralResource_t eResourceID,
        CGUIGeneralResourceInterpreter& rkInterpreter);
 
    eC_UInt GetNOFResources() const;
 
    void AddObserver(const GeneralResource_t& eResourceID, CGUIGeneralResourceObserver* pkObserver);
 
    void RemoveObserver(const GeneralResource_t& eResourceID, CGUIGeneralResourceObserver* pkObserver);
 
private:
    eC_Bool SetNOFResources(eC_UInt uiNOFResources);
 
    void LoadResource(
        const eC_String& rkPath,
        GeneralResource_t eID);
 
    void UnloadResource(GeneralResource_t eID);
 
    CGUIGeneralResourceManager();
 
    virtual ~CGUIGeneralResourceManager();
 
    class CGUIGeneralResourceData
    {
    public:
        typedef NSmartPtr::CGUIRefCntPtr<eC_File> PeC_File;
 
        CGUIGeneralResourceData(const eC_String& rkPath);
 
        ~CGUIGeneralResourceData();
 
        PeC_File GetFile();
 
    private:
        CGUIGeneralResourceData(const CGUIGeneralResourceData& kSource);
 
    private:
        eC_UByte* m_pkData;
        eC_UInt m_uiDataSize;
 
        eC_Bool m_bAllocatedMemory;
    };
 
    typedef NSmartPtr::CGUIRefCntPtr<CGUIGeneralResourceData> PGUIGeneralResourceData;
 
    struct LoadedResources
    {
        PGUIGeneralResourceData pkData;
        eC_TListDoubleLinked<CGUIGeneralResourceObserver*> pkObserver;
    };
 
private:
    eC_TArray<LoadedResources> m_apResources;
};
 
#endif