Qt 4.8: xqvibra_p.cpp Example File (widgets/symbianvibration/xqvibra_p.cpp)

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# xqvibra_p.cpp Example File

widgets/symbianvibration/xqvibra_p.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** This file is part of the QtCore module of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
     **     of its contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
     **
     **
     ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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     ****************************************************************************/

     #include "xqvibra_p.h"

     const int KDefaultIntensity = 0xFF;

     XQVibraPrivate::XQVibraPrivate(XQVibra *vibra)
         : q(vibra), iStatus(XQVibra::StatusOff), iDuration(XQVibra::InfiniteDuration), iIntensity(KDefaultIntensity)

     {
         TRAP(iError, iVibra = CHWRMVibra::NewL();)
         QObject::connect(&iTimer, SIGNAL(timeout()), q, SLOT(stop()));
     }

     XQVibraPrivate::~XQVibraPrivate()
     {
         delete iVibra;
     }

     bool XQVibraPrivate::start(int aDuration)
     {
         iDuration = aDuration;
         TRAP(iError,
             if (iIntensity == KDefaultIntensity) {
                 iVibra->StartVibraL(XQVibra::InfiniteDuration);
             } else {
                 iVibra->StopVibraL();
                 iVibra->StartVibraL(XQVibra::InfiniteDuration, iIntensity);
             }

             if (aDuration != XQVibra::InfiniteDuration) {
                 iTimer.start(aDuration);
             } else {
                 iTimer.stop();
             }

             if (iStatus != XQVibra::StatusOn) {
                 iStatus = XQVibra::StatusOn;
                 emit q->statusChanged(iStatus);
             }
         )
         return (iError == KErrNone);
     }

     bool XQVibraPrivate::stop()
     {
         TRAP(iError,
             if (iVibra->VibraStatus() == CHWRMVibra::EVibraStatusOn) {
                 iVibra->StopVibraL();
                 if (iTimer.isActive()) {
                     iTimer.stop();
                 }
             }

             iStatus = XQVibra::StatusOff;
             emit q->statusChanged(iStatus);
         )
         return (iError == KErrNone);
     }

     void XQVibraPrivate::VibraModeChanged(CHWRMVibra::TVibraModeState /*aStatus*/)
     {
         // Implementation isn't needed here because this information isn't used in the public side of the extension
     }

     void XQVibraPrivate::VibraStatusChanged(CHWRMVibra::TVibraStatus aStatus)
     {
         if (aStatus == CHWRMVibra::EVibraStatusUnknown ||
                 aStatus == CHWRMVibra::EVibraStatusNotAllowed) {
             iStatus = XQVibra::StatusNotAllowed;
             emit q->statusChanged(iStatus);
         }

         if (iDuration ==  XQVibra::InfiniteDuration) {
             if (iStatus != XQVibra::StatusOff) {
                 iStatus = XQVibra::StatusOff;
                 emit q->statusChanged(iStatus);
             }
         }
     }

     bool XQVibraPrivate::setIntensity(int aIntensity)
     {
         TRAP(iError,
             if (aIntensity >= KHWRMVibraMinIntensity && aIntensity <= KHWRMVibraMaxIntensity) {
                 iIntensity = aIntensity;
                 if (iIntensity == 0 && iStatus == XQVibra::StatusOn) {
                     iVibra->StopVibraL();
                 } else if (iStatus == XQVibra::StatusOn) {
                     iVibra->StopVibraL();
                     iVibra->StartVibraL(XQVibra::InfiniteDuration, iIntensity);
                 }
             } else {
                 User::Leave(KErrArgument);
             }
         )
         return (iError == KErrNone);
     }

     XQVibra::Status XQVibraPrivate::currentStatus() const
     {
         if (iVibra->VibraStatus() == CHWRMVibra::EVibraStatusUnknown ||
                 iVibra->VibraStatus() == CHWRMVibra::EVibraStatusNotAllowed) {
             return XQVibra::StatusNotAllowed;
         }
         return iStatus;
     }

     XQVibra::Error XQVibraPrivate::error() const
     {
         switch (iError) {
         case KErrNone:
             return XQVibra::NoError;
         case KErrNoMemory:
             return XQVibra::OutOfMemoryError;
         case KErrArgument:
             return XQVibra::ArgumentError;
         case KErrInUse:
             return XQVibra::VibraInUseError;
         case KErrGeneral:
             return XQVibra::HardwareError;
         case KErrTimedOut:
             return XQVibra::TimeOutError;
         case KErrLocked:
             return XQVibra::VibraLockedError;
         case KErrAccessDenied:
             return XQVibra::AccessDeniedError;
         default:
             return XQVibra::UnknownError;
         }
     }

     // End of file