Qt Reference Documentation

mediakeysobserver.cpp Example File

demos/symbian/musicplayer/mediakeysobserver.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the Qt Components project.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** 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 Nokia Corporation 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
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "mediakeysobserver.h"

 MediaKeysObserver::MediaKeysObserver(QObject *parent) : QObject(parent)
 {
     interfaceSelector = CRemConInterfaceSelector::NewL();
     coreTarget = CRemConCoreApiTarget::NewL(*interfaceSelector, *this);
     interfaceSelector->OpenTargetL();
 }

 MediaKeysObserver::~MediaKeysObserver()
 {
     delete interfaceSelector;
 }

 void MediaKeysObserver::MrccatoCommand(TRemConCoreApiOperationId operationId,
                                        TRemConCoreApiButtonAction buttonAct)
 {
     switch (operationId) {
     case ERemConCoreApiPausePlayFunction:
         if (buttonAct == ERemConCoreApiButtonClick)
             emit mediaKeyClicked(MediaKeysObserver::EPlayPauseKey);
         break;

     case ERemConCoreApiStop:
         if (buttonAct == ERemConCoreApiButtonClick)
             emit mediaKeyClicked(MediaKeysObserver::EStopKey);
         break;

     case ERemConCoreApiRewind:
         if (buttonAct == ERemConCoreApiButtonClick)
             emit mediaKeyClicked(MediaKeysObserver::EFastRewindKey);
         break;

     case ERemConCoreApiForward:
         if (buttonAct == ERemConCoreApiButtonClick)
             emit mediaKeyClicked(MediaKeysObserver::EForwardKey);
         break;

     case ERemConCoreApiVolumeUp:
         if (buttonAct == ERemConCoreApiButtonClick)
             emit mediaKeyClicked(MediaKeysObserver::EVolIncKey);
         else if (buttonAct == ERemConCoreApiButtonPress)
             emit mediaKeyPressed(MediaKeysObserver::EVolIncKey);
         else if (buttonAct == ERemConCoreApiButtonRelease)
             emit mediaKeyReleased(MediaKeysObserver::EVolIncKey);
         break;

     case ERemConCoreApiVolumeDown:
         if (buttonAct == ERemConCoreApiButtonClick)
             emit mediaKeyClicked(MediaKeysObserver::EVolDecKey);
         else if (buttonAct == ERemConCoreApiButtonPress)
             emit mediaKeyPressed(MediaKeysObserver::EVolDecKey);
         else if (buttonAct == ERemConCoreApiButtonRelease)
             emit mediaKeyReleased(MediaKeysObserver::EVolDecKey);
         break;

     case ERemConCoreApiFastForward:
         if (buttonAct == ERemConCoreApiButtonClick)
             emit mediaKeyClicked(MediaKeysObserver::EFastForwardKey);
         else if (buttonAct == ERemConCoreApiButtonPress)
             emit mediaKeyPressed(MediaKeysObserver::EFastForwardKey);
         else if (buttonAct == ERemConCoreApiButtonRelease)
             emit mediaKeyReleased(MediaKeysObserver::EFastForwardKey);
         break;

     case ERemConCoreApiBackward:
         if (buttonAct == ERemConCoreApiButtonClick)
             emit mediaKeyClicked(MediaKeysObserver::EBackwardKey);
         else if (buttonAct == ERemConCoreApiButtonPress)
             emit mediaKeyPressed(MediaKeysObserver::EBackwardKey);
         else if (buttonAct == ERemConCoreApiButtonRelease)
             emit mediaKeyReleased(MediaKeysObserver::EBackwardKey);
         break;

     default:
         break;
     }
 }