radioengine/settings/src/cradiosettingsimp.cpp
author Pat Downey <patd@symbian.org>
Fri, 04 Jun 2010 10:21:36 +0100
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/*
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* Copyright (c) 2009 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:
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*
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*/
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// System includes
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#include <bautils.h>
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#include <coemain.h>
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#include <ConeResLoader.h>
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#include <f32file.h>
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#include <data_caging_path_literals.hrh>
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// User includes
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#include "cradiosettingsimp.h"
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#include "cradioapplicationsettings.h"
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#include "cradioenginesettings.h"
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#include "cradiorepositorymanager.h"
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#include "radioengineutils.h"
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#include "radioengineutils.h"
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#include "cradioenginelogger.h"
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// The name of the radio settings resource file.
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_LIT( KRadioSettingsResourceFile, "radioenginesettings.rsc" );
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// The granularity of the repository manager array.
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const TInt KRadioSettingsRepositoryManagerGranularity = 8;
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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CRadioSettingsImp* CRadioSettingsImp::NewL( CCoeEnv* aCoeEnv )
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    {
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    CRadioSettingsImp* self = new (ELeave) CRadioSettingsImp;
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    CleanupStack::PushL( self );
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    self->ConstructL( aCoeEnv );
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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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//
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// ---------------------------------------------------------------------------
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//
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void CRadioSettingsImp::ConstructL( CCoeEnv* aCoeEnv )
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    {
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    RadioEngineUtils::InitializeL( aCoeEnv );
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    LoadResourcesL();
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    iRepositoryManager = CRadioRepositoryManager::NewL( KRadioSettingsRepositoryManagerGranularity );
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    // Constructs the implementors of the interfaces.
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    iApplicationSettings = CRadioApplicationSettings::NewL( *iRepositoryManager, *RadioEngineUtils::Env() );
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    iEngineSettings = CRadioEngineSettings::NewL( *iRepositoryManager, *RadioEngineUtils::Env() );
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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CRadioSettingsImp::CRadioSettingsImp()
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    {
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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CRadioSettingsImp::~CRadioSettingsImp()
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    {
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    delete iApplicationSettings;
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    delete iEngineSettings;
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    delete iRepositoryManager;
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    if ( iResourceLoader )
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        {
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        iResourceLoader->Close();
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        }
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    delete iResourceLoader;
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    RadioEngineUtils::Release();
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    }
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// ---------------------------------------------------------------------------
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// Determines if region is allowed.
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// ---------------------------------------------------------------------------
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//
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TBool CRadioSettingsImp::IsRegionAllowed( TRadioRegion aRegionId ) const
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    {
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    return iEngineSettings->IsRegionAllowed( aRegionId );
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    }
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// ---------------------------------------------------------------------------
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// Returns the application settings interface.
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// ---------------------------------------------------------------------------
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//
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MRadioApplicationSettings& CRadioSettingsImp::ApplicationSettings() const
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    {
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    return *iApplicationSettings;
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    }
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// ---------------------------------------------------------------------------
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// Returns the radio settings interface.
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// ---------------------------------------------------------------------------
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//
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MRadioEngineSettings& CRadioSettingsImp::EngineSettings() const
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    {
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    return *iEngineSettings;
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    }
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// ---------------------------------------------------------------------------
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// Returns the radio settings setter interface.
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// ---------------------------------------------------------------------------
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//
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MRadioSettingsSetter& CRadioSettingsImp::RadioSetter() const
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    {
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    return *iEngineSettings;
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    }
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// ---------------------------------------------------------------------------
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// Returns the underlying repository.
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// ---------------------------------------------------------------------------
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//
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CRadioRepositoryManager& CRadioSettingsImp::Repository() const
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    {
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    return *iRepositoryManager;
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    }
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// ---------------------------------------------------------------------------
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// Static version of ResolveDriveL.
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// ---------------------------------------------------------------------------
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//
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void CRadioSettingsImp::ResolveDriveL( TFileName& aFileName, const TDesC& aPath )
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    {
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    LOG_FORMAT( "CRadioSettingsImp::ResolveDriveL( aFileName = %S, aPath = %S )", &aFileName, &aPath );
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    RFs& fsSession = RadioEngineUtils::FsSession();
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    TFileName fileName;
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    TFileName baseResource;
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    TFindFile finder( fsSession );
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    TLanguage language( ELangNone );
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    _LIT( resourceFileExt, ".rsc" );
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    _LIT( resourceFileWildExt, ".r*" );
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    TParsePtrC parse( aFileName );
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    TBool isResourceFile = ( parse.Ext() == resourceFileExt() );
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    TInt err = KErrUnknown;
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    if  ( isResourceFile )
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        {
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        CDir* entries = NULL;
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        fileName.Copy( parse.Name() );
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        fileName.Append( resourceFileWildExt() );
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        err = finder.FindWildByDir( fileName, aPath, entries );
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        delete entries;
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        }
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    else
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        {
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        // TFindFile applies search order that is from
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        // drive Y to A, then Z
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        err = finder.FindByDir( aFileName, aPath );
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        }
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    LOG_FORMAT( "CRadioSettingsImp::ResolveDriveL - err = %d", err );
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    TBool found = EFalse;
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    if ( !isResourceFile && err == KErrNone )
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        {
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        found = ETrue;
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        aFileName.Zero();
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        aFileName.Append( finder.File() );
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        }
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    while ( !found && err == KErrNone && isResourceFile )
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        {
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        // Found file
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        fileName.Zero();
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        TParsePtrC foundPath( finder.File() );
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        fileName.Copy( foundPath.DriveAndPath() );
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        fileName.Append( aFileName );
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        BaflUtils::NearestLanguageFile( fsSession, fileName, language );
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        if ( language != ELangNone && BaflUtils::FileExists( fsSession, fileName ) )
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            {
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            found = ETrue;
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            aFileName.Zero();
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            aFileName.Copy( fileName );
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            }
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        else
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            {
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            if ( language == ELangNone &&
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                 !baseResource.Compare( KNullDesC ) &&
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                 BaflUtils::FileExists( fsSession, fileName ) )
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                {
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                baseResource.Copy( fileName );
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                }
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            CDir* entries = NULL;
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            err = finder.FindWild( entries );
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            delete entries;
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            }
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   213
        }
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    if ( !found && baseResource.Compare( KNullDesC ) )
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        {
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        // If we found *.rsc then better to use that than nothing
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        if ( BaflUtils::FileExists( fsSession, baseResource ) )
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            {
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            found = ETrue;
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            aFileName.Zero();
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            aFileName.Append( baseResource );
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   223
            }
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   224
        }
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   225
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   226
    if ( !found )
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   227
        {
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        LOG_FORMAT( "CRadioSettingsImp::ResolveDriveL - File %S not found ( err = %d )!", &aFileName, err );
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        User::Leave( KErrNotFound );
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   230
        }
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   231
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    LOG_FORMAT( "CRadioSettingsImp::ResolveDriveL( aFileName = %S )", &aFileName );
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   233
    }
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   234
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// ---------------------------------------------------------------------------
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// Loads the required resources.
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// ---------------------------------------------------------------------------
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   238
//
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   239
void CRadioSettingsImp::LoadResourcesL()
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   240
    {
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   241
    // Allocated in heap only so that the resource loader header doesn't need to be
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   242
    // included in the header of this class. This is because this will be included
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   243
    // by a QT component that should not depend on CONE
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   244
    iResourceLoader = new (ELeave) RConeResourceLoader( *RadioEngineUtils::Env() );
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parents:
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   245
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   246
    TFileName resourceFileName;
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   247
    resourceFileName.Append( KRadioSettingsResourceFile );
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parents:
diff changeset
   248
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   249
    ResolveDriveL( resourceFileName, KDC_RESOURCE_FILES_DIR );
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   250
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   251
    iResourceLoader->OpenL( resourceFileName );
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   252
    }
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parents:
diff changeset
   253