fmradio/fmradioengine/src/fmradioenginedosserverobserver.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:17:10 +0200
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/*
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Contains implementation of the CDosServerObserver class. which is the 
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*                       notification interface to the DOS Server.
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*
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*/
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//  INCLUDES
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#include <DosSvrServices.h>
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#include "debug.h"
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#include "fmradioengine.h"
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#include "fmradioengineradiosettings.h"
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#include "fmradioenginedosserverobserver.h"
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// ----------------------------------------------------
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// CDosServerObserver::CDosServerObserver
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// Default class constructor.
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// ----------------------------------------------------
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//
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CDosServerObserver::CDosServerObserver(CRadioEngine* aEngine, TRadioSettings* aRadioSettings)
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                    : iEngine(aEngine), iRadioSettings(aRadioSettings)
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    {
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    }
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// ----------------------------------------------------
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// CDosServerObserver::NewL
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// Two-phased class constructor.
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// ----------------------------------------------------
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//
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CDosServerObserver *CDosServerObserver::NewL(CRadioEngine* aEngine, TRadioSettings* aRadioSettings)
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    {
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    CDosServerObserver *self = new (ELeave)CDosServerObserver(aEngine, aRadioSettings);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop();
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    return self;
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    }
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// ----------------------------------------------------
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// CDosServerObserver::ConstructL
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// Second phase class constructor.
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// ----------------------------------------------------
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//
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void CDosServerObserver::ConstructL()
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    {
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	iRadioSettings->SetHeadsetConnected();
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    RDosServer* server = const_cast< RDosServer* >( &DosServer() );
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	User::LeaveIfError( iDosAudio.Open(*server) );
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	TRegisterEvent eventList[] = {{KHandsfreeModeChanged, sizeof(EPSHandsFreeMode),EOnlyLast}, {KHeadsetButtonChanged,sizeof(EPSButtonState),	EQueue} };
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	StartListeningL(eventList,sizeof(eventList)/sizeof(TRegisterEvent));  
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    }
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// ----------------------------------------------------
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// CDosServerObserver::~CDosServerObserver
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// Destructor of CDosServerObserver class.
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// ----------------------------------------------------
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//
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CDosServerObserver::~CDosServerObserver()
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    {
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    Stop(); 
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    }
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// ---------------------------------------------------------
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// CDosServerObserver::SetAudioRouting
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// ---------------------------------------------------------
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//
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TInt CDosServerObserver::SetAudioRouting(CRadioEngine::TFMRadioAudioOutput aAudioOutput)
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	{
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	TInt err(KErrNone);
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	EPSHandsFreeMode mode = (aAudioOutput == CRadioEngine::EFMRadioOutputHeadset) ? EPSIhfOff : EPSIhfOn;
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	err = iDosAudio.SetHandsfreeMode(mode);
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	return err;
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	}
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// ---------------------------------------------------------
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// CDosServerObserver::HeadsetButtonChangedL
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// Handling notification about headset button state change.
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// (other items were commented in a header).
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// Status : Draft/Proposal/Approved
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// ---------------------------------------------------------
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//
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void CDosServerObserver::HeadsetButtonChangedL(EPSButtonState aState)
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   {
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   if(aState == EPSButtonUp)
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        {
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        iEngine->HandleHeadsetButtonPress();
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        }
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   }
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// end of file