phoneengine/phonemodel/src/cpeaudiooutputpreferencemonitor.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 14 Apr 2010 15:56:42 +0300
branchRCL_3
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/*
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* Copyright (c) 2005 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:  This module contains the implementation of CPEAudioOutputPreferenceMonitor class 
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*
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*/
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// INCLUDES
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#include "cpeaudiooutputpreferencemonitor.h"
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#include "cpepubsubmonitor.h"
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#include "mpephonemodelinternal.h"
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#include <e32property.h>
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#include <mpedatastore.h>
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#include <talogger.h>
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#include <telinternalpskeys.h>
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// ================= MEMBER FUNCTIONS =======================
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// -----------------------------------------------------------------------------
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// CPEAudioOutputPreferenceMonitor::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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CPEAudioOutputPreferenceMonitor* CPEAudioOutputPreferenceMonitor::NewL(
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        MPEPhoneModelInternal& aModel ) 
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    {
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    TEFLOGSTRING( KTAOBJECT, "PE CPEAudioOutputPreferenceMonitor::NewL");
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    CPEAudioOutputPreferenceMonitor* self = new (ELeave) CPEAudioOutputPreferenceMonitor( aModel );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop( self );
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    return( self );
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    }
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// -----------------------------------------------------------------------------
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// CPEAudioOutputPreferenceMonitor::CPEAudioOutputPreferenceMonitor
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CPEAudioOutputPreferenceMonitor::CPEAudioOutputPreferenceMonitor(
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        MPEPhoneModelInternal& aModel
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        ): CPEPubSubMonitor( aModel )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CPEAudioOutputPreferenceMonitor::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CPEAudioOutputPreferenceMonitor::ConstructL()
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    {
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    TEFLOGSTRING( KTAOBJECT, "PE CPEAudioOutputPreferenceMonitor::ConstructL");
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    BaseConstructL( KPSUidTelAudioPreference, KTelAudioOutput, RProperty::EInt );
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    //  Now retrieve the value
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    TInt value;
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    TInt error = Get( value );
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    // if not able to retrieve the value, set it to the default value
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    if ( error != KErrNone )
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        {   
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        value = EPSAudioPrivate;
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        }
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    iModel.DataStore()->SetAudioOutputPreference( static_cast<EPSTelAudioOutput>(value) );
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    }
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// -----------------------------------------------------------------------------
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// CPECenRepMonitor::UpdateL
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// -----------------------------------------------------------------------------
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//
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void CPEAudioOutputPreferenceMonitor::UpdateL()
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    {
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    TEFLOGSTRING( KTAINT, "PE CPEAudioOutputPreferenceMonitor::UpdateL" );
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    //  Now retrieve the value
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    TInt value;
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    User::LeaveIfError(Get(value)); 
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    TInt old = iModel.DataStore()->AudioOutputPreference();
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    // If value has not changed, do not send message about change.
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    // This reason for this check is that during phone startup sequence,
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    // the key gets updated but phoneengine already has te value correctly.
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    if (value != old)
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        {
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        iModel.DataStore()->SetAudioOutputPreference( static_cast<EPSTelAudioOutput>(value) );    
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        iModel.SendMessage( MEngineMonitor::EPEMessageAudioOutputPreferenceChanged );
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        }
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    }
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// End of file