GUICommandHandler.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 GUICOMMANDHANDLER__H_
#define GUICOMMANDHANDLER__H_
 
#include "eC_Types.h"
#include "eC_TList_doubleLinked.h"
#include "eC_Semaphore.h"
#include "GUICommand.h"
 
#include "GUIComponentManager.h"
 
#define GETCMDHDL CGUIComponentManager::GetInstance().GetCommandHandler()
 
 
class CGUICommandHandler
{
    friend class CGUI; 
    friend class CGUICommand; 
    friend class CGUIComponentManager; 
 
public:
    static void CreateInstance();
 
    static void DeleteInstance();
 
    eC_UInt GetIdleTime();
 
    eC_Bool Execute(CGUICommandPtr pkCommand);
 
    inline void SetMaxWorkingCmds(const eC_UInt &uiMaxNoOfWorkingCmds)
    {
        m_uiMaxNoOfWorkingCommands = uiMaxNoOfWorkingCmds;
    }
 
    void DumpQueues() const;
 
    void DumpCommands();
 
    void RemoveCommand(CGUICommandPtr pkCommand);
 
    eC_Bool IsCommandInQueue(CGUICommandPtr pkCommand);
 
private:
    void InsertCommand(CGUICommandPtr pkCommand);
 
    void SetTimeUntilNextExecution(CGUICommand* pkCommand, eC_UInt uiTime);
 
    void SetPriority(CGUICommand* pkCommand, eC_UInt uiPriority);
 
    void SortQueuesAndMoveCommands();
 
    void Process();
 
    CGUICommandHandler();
 
    ~CGUICommandHandler();
 
    CGUICommandHandler(const CGUICommandHandler& kSource);
 
    CGUICommandHandler& operator=(const CGUICommandHandler& kSource);
 
    void Init();
 
    void DeInit();
 
private:
    eC_UInt m_uiMaxNoOfWorkingCommands;
    CommandPtrList m_WaitingQueue;
    CommandPtrList m_WorkingQueue;
    eC_UInt m_uiTime;
    eC_Semaphore m_kQueueSemaphore;
    eC_Bool m_bQueueIsDirty;
};
#endif