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//
// Copyright (C) 2004-2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2004-2006 Pingtel Corp. All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$
///////////////////////////////////////////////////////////////////////////////
#ifndef _PsKeybdDev_h_
#define _PsKeybdDev_h_
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "os/OsDefs.h"
#include "os/OsBSem.h"
// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
class PsButtonTask;
//:Base class for the phone set keyboard device
// Platform-specific keyboard classes are all derived from this class.
class PsKeybdDev
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
/* ============================ CREATORS ================================== */
static PsKeybdDev* getKeybdDev(PsButtonTask* pButtonTask=NULL);
//:Return a pointer to the keyboard device, creating it if necessary.
virtual
~PsKeybdDev();
//:Destructor
/* ============================ MANIPULATORS ============================== */
virtual void disableIntr(void) = 0;
//:Disable keyboard interrupts
virtual void enableIntr(void) = 0;
//:Enable keyboard interrupts
/* ============================ ACCESSORS ================================= */
/* ============================ INQUIRY =================================== */
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
static PsKeybdDev* spInstance; // pointer to the single instance of
// the PsKeybdDev class
static OsBSem sLock; // semaphore used to ensure that there
// is only one instance of this class
PsButtonTask* mpButtonTask;
PsKeybdDev(PsButtonTask* pButtonTask);
//:Constructor
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
PsKeybdDev(const PsKeybdDev& rPsKeybdDev);
//:Copy constructor (not implemented for this class)
PsKeybdDev& operator=(const PsKeybdDev& rhs);
//:Assignment operator (not implemented for this class)
};
/* ============================ INLINE METHODS ============================ */
#endif // _PsKeybdDev_h_
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