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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 _PsHookswDev_h_
#define _PsHookswDev_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 PsHookswTask;
//:Base class for the phone set hook switch device
// Platform-specific hook switch classes are all derived from this class.
class PsHookswDev
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
/* ============================ CREATORS ================================== */
static PsHookswDev* getHookswDev(PsHookswTask* pHookswTask=NULL);
//:Return a pointer to the hookswitch device, creating it if necessary.
virtual
~PsHookswDev();
//:Destructor
/* ============================ MANIPULATORS ============================== */
virtual void disableIntr(void) = 0;
//:Disable hook switch interrupts
virtual void enableIntr(UtlBoolean lookForOffHook) = 0;
//:Enable hook switch interrupts
/* ============================ ACCESSORS ================================= */
/* ============================ INQUIRY =================================== */
virtual UtlBoolean isOffHook(void) = 0;
//:Return TRUE if the hookswitch is "off hook", otherwise FALSE.
virtual UtlBoolean isOnHook(void) = 0;
//:Return TRUE if the hookswitch is "on hook", otherwise FALSE.
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
static PsHookswDev* spInstance; // pointer to the single instance of
// the PsHookswDev class
static OsBSem sLock; // semaphore used to ensure that there
// is only one instance of this class
PsHookswTask* mpHookswTask;
PsHookswDev(PsHookswTask* pHookswTask);
//:Constructor
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
PsHookswDev(const PsHookswDev& rPsHookswDev);
//:Copy constructor (not implemented for this class)
PsHookswDev& operator=(const PsHookswDev& rhs);
//:Assignment operator (not implemented for this class)
};
/* ============================ INLINE METHODS ============================ */
#endif // _PsHookswDev_h_
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