radioengine/utils/src/radioengineutils.cpp
changeset 13 46974bebc798
child 14 63aabac4416d
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0:f3d95d9c00ab 13:46974bebc798
       
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 *
       
    16 */
       
    17 
       
    18 // System includes
       
    19 #include <stringloader.h>
       
    20 #include <utf.h>
       
    21 
       
    22 // User includes
       
    23 #include "radioengineutils.h"
       
    24 #include "cradioenginetls.h"
       
    25 
       
    26 // ---------------------------------------------------------------------------
       
    27 //
       
    28 // ---------------------------------------------------------------------------
       
    29 //
       
    30 EXPORT_C void RadioEngineUtils::InitializeL( CCoeEnv* aCoeEnv )
       
    31     {
       
    32     CRadioEngineTls::InitializeL( aCoeEnv );
       
    33     CRadioEngineTls::Instance().AddRef();
       
    34     }
       
    35 
       
    36 // ---------------------------------------------------------------------------
       
    37 //
       
    38 // ---------------------------------------------------------------------------
       
    39 //
       
    40 EXPORT_C void RadioEngineUtils::Release()
       
    41     {
       
    42     CRadioEngineTls::Instance().Release();
       
    43     }
       
    44 
       
    45 // ---------------------------------------------------------------------------
       
    46 //
       
    47 // ---------------------------------------------------------------------------
       
    48 //
       
    49 EXPORT_C MRadioEngineLogger* RadioEngineUtils::Logger()
       
    50     {
       
    51     return CRadioEngineTls::Instance().Logger();
       
    52     }
       
    53 
       
    54 // ---------------------------------------------------------------------------
       
    55 // Return the cone environment
       
    56 // ---------------------------------------------------------------------------
       
    57 //
       
    58 EXPORT_C CCoeEnv* RadioEngineUtils::Env()
       
    59     {
       
    60     return CRadioEngineTls::Instance().Env();
       
    61     }
       
    62 
       
    63 // ---------------------------------------------------------------------------
       
    64 // Returns the file server session
       
    65 // ---------------------------------------------------------------------------
       
    66 //
       
    67 EXPORT_C RFs& RadioEngineUtils::FsSession()
       
    68     {
       
    69     return CRadioEngineTls::Instance().FsSession();
       
    70     }
       
    71 
       
    72 // ---------------------------------------------------------------------------
       
    73 // Utility method for frequency formatting.
       
    74 // Frequency is assumed to be in kilohertz format.
       
    75 // ---------------------------------------------------------------------------
       
    76 //
       
    77 EXPORT_C HBufC* RadioEngineUtils::ReadFrequencyStringLC( TUint32 aFreq,
       
    78                                                          TInt aDecimalCount,
       
    79                                                          TInt aResourceId )
       
    80     {
       
    81     TBuf<KDefaultRealWidth> freqText;
       
    82     freqText.AppendNum( static_cast<TReal>( aFreq ) / 1000.0f, TRealFormat( KDefaultRealWidth, aDecimalCount ) ); // Converts kilohertz to megahertz.
       
    83 
       
    84     // Converts the numbers to the proper display mode.
       
    85 
       
    86     HBufC* channelFreq = NULL;
       
    87 
       
    88     if ( aResourceId == KErrNotFound ) // No resource string.
       
    89         {
       
    90         channelFreq = freqText.AllocLC();
       
    91         }
       
    92     else
       
    93         {
       
    94         channelFreq = StringLoader::LoadLC( aResourceId, freqText );
       
    95         }
       
    96 
       
    97     return channelFreq;
       
    98     }
       
    99 
       
   100 // ---------------------------------------------------------------------------
       
   101 //
       
   102 // ---------------------------------------------------------------------------
       
   103 //
       
   104 EXPORT_C void RadioEngineUtils::FormatFrequencyString( TDes& aDest,
       
   105                                                        TUint32 aFreq,
       
   106                                                        TInt aDecimalCount,
       
   107                                                        TDesC& aFormat )
       
   108     {
       
   109     TBuf<KDefaultRealWidth> freqText;
       
   110     freqText.AppendNum( static_cast<TReal>( aFreq ) / 1000.0f, TRealFormat( KDefaultRealWidth, aDecimalCount ) ); // Converts kilohertz to megahertz.
       
   111 
       
   112     // Converts the numbers to the proper display mode.
       
   113 
       
   114     if ( aFormat.Length() <= 0 || freqText.Length() > aDest.MaxLength() ) // No format.
       
   115         {
       
   116         aDest.Copy( freqText.Left( aDest.Length() ) );
       
   117         }
       
   118     else
       
   119         {
       
   120         StringLoader::Format( aDest, aFormat, KErrNotFound, freqText );
       
   121         }
       
   122     }
       
   123