profilesservices/ProfileEngine/EngSrc/CProfileUtilitySingletonImpl.cpp
author Fionntina Carville <fionntinac@symbian.org>
Mon, 15 Nov 2010 13:17:37 +0000
branchRCL_3
changeset 70 cbd04e8af840
parent 54 7e0eff37aedb
permissions -rw-r--r--
Bug 3539. Update localisation mappings for gsprofilesrv.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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* Copyright (c) 2002 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:  Implementation of the CProfileUtilitySingletonImpl.
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*
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*/
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// INCLUDE FILES
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#include "CProfileUtilitySingletonImpl.h"
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#include <MProfilesLocalFeatures.h>
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#include "CProfilesLocalFeatures.h"
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#include "ProfilesDebug.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CProfileUtilitySingletonImpl::CProfileUtilitySingletonImpl
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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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CProfileUtilitySingletonImpl::CProfileUtilitySingletonImpl()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CProfileUtilitySingletonImpl::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CProfileUtilitySingletonImpl::ConstructL()
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    {
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    iLocalFeatures = CProfilesLocalFeatures::NewL();
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    }
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// -----------------------------------------------------------------------------
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// CProfileUtilitySingletonImpl::NewL
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//
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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CProfileUtilitySingletonImpl* CProfileUtilitySingletonImpl::NewL()
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    {
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    CProfileUtilitySingletonImpl* self
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        = new ( ELeave ) CProfileUtilitySingletonImpl();
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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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// CProfileUtilitySingletonImpl::ProfilesLocalFeatures
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//
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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MProfilesLocalFeatures& CProfileUtilitySingletonImpl::ProfilesLocalFeatures()
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    {
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    return *iLocalFeatures;
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    }
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// -----------------------------------------------------------------------------
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// CProfileUtilitySingletonImpl::IncrementReferences
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//
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CProfileUtilitySingletonImpl::IncrementReferences()
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    {
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    ++iReferences;
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    }
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// -----------------------------------------------------------------------------
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// CProfileUtilitySingletonImpl::DecrementReferences
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//
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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TBool CProfileUtilitySingletonImpl::DecrementReferences()
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    {
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    return ( --iReferences <= 0 );
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    }
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// -----------------------------------------------------------------------------
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// CProfileUtilitySingletonImpl::~CProfileUtilitySingletonImpl
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//
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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CProfileUtilitySingletonImpl::~CProfileUtilitySingletonImpl()
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    {
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    delete iLocalFeatures;
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    }
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// ========================== OTHER EXPORTED FUNCTIONS =========================
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// -----------------------------------------------------------------------------
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// ProfileUtilityInstanceL creates an implementation of MProfileUtilitySingleton
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// if needed, increments the reference count and returns a reference to the only
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// instance of it.
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// Returns a reference to the only instance of MProfileUtilitySingleton.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C MProfileUtilitySingleton& ProfileUtilityInstanceL()
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    {
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    CProfileUtilitySingletonImpl* instance =
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        static_cast<CProfileUtilitySingletonImpl*>( Dll::Tls() );
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    if( instance == NULL )
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        {
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        instance = CProfileUtilitySingletonImpl::NewL();
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        TInt err( Dll::SetTls( instance ) );
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        if( err )
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            {
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            delete instance;
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            //delete static_cast<CProfileUtilitySingletonImpl*>( instance );
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            User::Leave( err );
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            }
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        }
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    instance->IncrementReferences();
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    //return static_cast<MProfileUtilitySingleton&>( instance );
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    return *instance;
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    }
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// -----------------------------------------------------------------------------
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// ReleaseProfileUtility decrements the count of references to the only instance
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// of MProfileUtilitySingleton implementation and releases the resources if
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// there are no more references to it.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void ReleaseProfileUtility()
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    {
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    TAny* instance = Dll::Tls();
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    if( instance != NULL )
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        {
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        CProfileUtilitySingletonImpl* singleton =
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            static_cast<CProfileUtilitySingletonImpl*>( instance );
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        if( singleton->DecrementReferences() )
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            {
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            delete singleton;
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            Dll::SetTls( NULL );
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            }
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        }
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    }
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//  End of File
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