phoneuis/Ussd/src/UssdNaviPane.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:40:24 +0200
branchRCL_3
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Revision: 201009 Kit: 201010
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/*
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* Copyright (c) 2010 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:  Declares navi pane control for application.
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*
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*/
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// INCLUDE FILES
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#include    <gsmuset.h>                 // CCnvCharacterSetConverter
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#include    <aknenv.h>                  // CAknEnv
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#include    <aknnavide.h>               // CAknNavigationDecorator
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#include    <aknEditStateIndicator.h>
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#include    <AknIndicatorContainer.h>
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#include    <aknnavilabel.h>
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#include    "UssdComms.h" 
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#include    "UssdAppUi.h"
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#include    "UssdNaviPane.h"
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#include    "UssdLogger.h"
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#include <AknUtils.h>
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// CONSTANTS
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// Unicode char codes for GSM 03.38 7 bit ext table characters 
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static const TUint KUssdEdEuroSymbol = 0x20ac;
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static const TUint KUssdEdLeftSquareBracket = 0x5b;
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static const TUint KUssdEdReverseSolidus = 0x5c;
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static const TUint KUssdEdRightSquareBracket = 0x5d;
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static const TUint KUssdEdCircumflexAccent = 0x5e;
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static const TUint KUssdEdLeftCurlyBracket = 0x7b;
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static const TUint KUssdEdVerticalLine = 0x7c;
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static const TUint KUssdEdRightCurlyBracket = 0x7d;
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static const TUint KUssdEdTilde = 0x7e;
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static const TUint KUssdDownwardsArrowLeft = 0x21B2;
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static const TUint KUssdDownwardsArrowRight = 0x21B3;
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static const TUint KUssdCharDwithLine = 0xD0;
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static const TUint KUssdCharBigRhoo = 0xDE; 
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static const TUint KUssdCharSmallDelta = 0xF0;
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static const TUint KUssdCharSmallFii = 0xFE;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CUssdNaviPane::CUssdNaviPane
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// C++ 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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CUssdNaviPane::CUssdNaviPane( CUssdAppUi& aAppUi ): iAppUi( aAppUi )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CUssdNaviPane::NewL
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//
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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CUssdNaviPane* CUssdNaviPane::NewL( CUssdAppUi& aAppUi )
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    {
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    CUssdNaviPane* self = new ( ELeave ) CUssdNaviPane( aAppUi );
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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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// CUssdNaviPane::ConstructL
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//
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CUssdNaviPane::ConstructL()
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    {
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    _LOGSTRING( "CUssdNaviPane::ConstructL =>" )
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    CreateExtraNaviLabelL();
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    User::LeaveIfError( iPeninputServer.Connect() );
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    iCharacterSetConverter = CCnvCharacterSetConverter::NewL();
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    iCharacterSetConverter->PrepareToConvertToOrFromL(
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        KCharacterSetIdentifierSms7Bit,
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        iCoeEnv->FsSession() );
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    iCharacterSetConverter->SetDowngradeForExoticLineTerminatingCharacters(
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        CCnvCharacterSetConverter::EDowngradeExoticLineTerminatingCharactersToJustLineFeed );
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    _LOGSTRING( "CUssdNaviPane::ConstructL <=" )
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    }
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// -----------------------------------------------------------------------------
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// CUssdNaviPane::~CUssdNaviPane
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// 
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// Destructor
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// -----------------------------------------------------------------------------
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//
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CUssdNaviPane::~CUssdNaviPane()
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    {
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    _LOGSTRING( "CUssdNaviPane::~CUssdNaviPane =>" )
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    iPeninputServer.Close();
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    if ( iNaviPane && iNaviDecorator )
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        {
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        iNaviPane->Pop( iNaviDecorator );
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        delete iNaviDecorator;
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        iNaviDecorator = NULL;
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        iNaviPane = NULL;
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        }
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    delete iCharacterSetConverter;
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    iCharacterSetConverter = NULL;
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   122
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    iNaviLabel = NULL;
15
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    _LOGSTRING( "CUssdNaviPane::~CUssdNaviPane <=" )
0
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    }
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// ----------------------------------------------------
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// CUssdNaviPane::CreateExtraNaviLabelL
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// Creates an extra navi label.
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// (other items were commented in a header).
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// ----------------------------------------------------
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//
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void CUssdNaviPane::CreateExtraNaviLabelL()
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    {
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   135
      
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    CEikStatusPane* sp = iAppUi.StatusPane();
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    iNaviPane = static_cast<CAknNavigationControlContainer*>( 
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        sp->ControlL( TUid::Uid( EEikStatusPaneUidNavi ) ) );     
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    iNaviDecorator = iNaviPane->CreateNavigationLabelL( 
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        KNullDesC );
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    iNaviLabel = static_cast<CAknNaviLabel*>( 
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        iNaviDecorator->DecoratedControl() );
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    iNaviPane->PushL( *iNaviDecorator ) ;
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    }
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// ---------------------------------------------------------
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// CUssdNaviPane::UpdateMsgLengthL
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// Update the message length information to navipane
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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TInt CUssdNaviPane::UpdateMsgLengthL( const TDesC& aInputString, 
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                                             CCoeControl* aControl )
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    {
15
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    _LOGSTRING2( "CUssdNaviPane::UpdateMsgLengthL =>, aInputString=%S",
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    &aInputString )
0
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    TInt maxLen(0);
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    const TInt txtLen = aInputString.Length();
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   161
 
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    HBufC* digitBuffer = HBufC::NewLC( EAknMaxIntegerDigits ); 
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   163
    TPtr bufPtr( digitBuffer->Des() );
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   164
 
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    if ( NeedsToBeSentAsUnicodeL( aInputString ) )
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        {
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        bufPtr.AppendNum( KUssdEditorMaxLenght/2 - txtLen );
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        maxLen=KUssdEditorMaxLenght/2;
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        }
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    else
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        {
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        TInt extendedCount = CountExtendedTableChars( aInputString );
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        TInt totalLen = KUssdEditorMaxLenght - ( txtLen + extendedCount );
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        if ( totalLen < 0 ) // last was alphabet extended when one left
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            {
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            GenerateBackSpaceKeyL( aControl );
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            extendedCount--;
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            totalLen = totalLen+2;
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   179
            }
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        bufPtr.AppendNum( totalLen );
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   181
        maxLen=KUssdEditorMaxLenght-extendedCount;
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   182
        }
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   183
    
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   AknTextUtils::LanguageSpecificNumberConversion( bufPtr );
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   185
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    // Giving msg length string to indicator container
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   187
    MAknEditingStateIndicator* stateIndicator = 
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   188
        iAvkonEnv->EditingStateIndicator();
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   189
    if ( stateIndicator )
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   190
        {
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   191
        CAknIndicatorContainer* iIndicatorContainerSMS = 
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            stateIndicator->IndicatorContainer();
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   193
        if ( iIndicatorContainerSMS )
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   194
            {
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   195
            iIndicatorContainerSMS->SetIndicatorState( 
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   196
                TUid::Uid( EAknNaviPaneEditorIndicatorMessageLength ), 
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   197
                EAknIndicatorStateOn );
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   198
            iIndicatorContainerSMS->SetIndicatorValueL(
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   199
                TUid::Uid( EAknNaviPaneEditorIndicatorMessageLength ), 
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                *digitBuffer );
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   201
            }
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diff changeset
   202
        }
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   203
    
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   204
    iNaviLabel->SetTextL( *digitBuffer );
15
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diff changeset
   205
    _LOGSTRING(
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diff changeset
   206
    "CUssdNaviPane::UpdateMsgLengthL iPeninputServer.UpdateAppInfo" )
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diff changeset
   207
    iPeninputServer.UpdateAppInfo( *digitBuffer, EAppIndicatorMsg );
0
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   208
    CleanupStack::PopAndDestroy( digitBuffer );
15
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diff changeset
   209
    _LOGSTRING2( "CUssdNaviPane::UpdateMsgLengthL <=, maxLen=%d",
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diff changeset
   210
    maxLen )
0
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   211
    
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   212
    return maxLen;
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diff changeset
   213
    }
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parents:
diff changeset
   214
 
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   215
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   216
// ---------------------------------------------------------
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   217
// CUssdNaviPane::NeedsToBeSentAsUnicodeL
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   218
// Checks if there are any unicode characters in the message
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   219
// (other items were commented in a header).
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// ---------------------------------------------------------
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   221
//
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   222
TBool CUssdNaviPane::NeedsToBeSentAsUnicodeL( const TDesC& aInputString ) const
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   223
    {
15
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diff changeset
   224
    _LOGSTRING2(
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   225
    "CUssdNaviPane::NeedsToBeSentAsUnicodeL =>, aInputString=%S",
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diff changeset
   226
    &aInputString )
0
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parents:
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    TBool needsToBeSentAsUnicode = EFalse;
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   230
    for ( TPtrC remainderOfInputString( aInputString ); 
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          remainderOfInputString.Length()>0 ; )
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   232
        {
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   233
        TBuf8<KUssdEditorMaxLenght> notUsedForeignParam;
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        TInt numberOfUnconvertibleCharacters = 0;
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        const TInt returnValue = 
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            iCharacterSetConverter->ConvertFromUnicode( 
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                notUsedForeignParam,
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                remainderOfInputString, 
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                numberOfUnconvertibleCharacters );
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   240
        if ( ( returnValue < 0 ) || 
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   241
             ( numberOfUnconvertibleCharacters > 0 )) 
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            // if there was an error in trying to do the conversion, or if 
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   243
            // there was an unconvertible character (e.g. a Chinese character)
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            {
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            TUint uChar;
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            for ( TInt i = 0;i < remainderOfInputString.Length();i++ )
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   247
                {
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                uChar = TUint( remainderOfInputString[ i ] );
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   249
                if ( uChar ==  KUssdDownwardsArrowLeft || 
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                     uChar == KUssdDownwardsArrowRight ||
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   251
                     uChar == KUssdCharDwithLine ||
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                     uChar == KUssdCharBigRhoo ||
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   253
                     uChar == KUssdCharSmallDelta ||
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   254
                     uChar == KUssdCharSmallFii )
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   255
                    {
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   256
                    numberOfUnconvertibleCharacters--;
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   257
                    }  
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   258
                }
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parents:
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   259
                   
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   260
            if ( returnValue < 0 || numberOfUnconvertibleCharacters > 0  ) 
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   261
                {
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   262
                // if there was an error in trying to do the conversion, or if there was an
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   263
                // unconvertible character (e.g. a Chinese character)
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   264
                needsToBeSentAsUnicode = ETrue;
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   265
                break;
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   266
                }      
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   267
            }
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   269
        remainderOfInputString.Set( 
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   270
            remainderOfInputString.Right( returnValue ) );
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   271
        }
15
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   272
    _LOGSTRING2(
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   273
    "CUssdNaviPane::NeedsToBeSentAsUnicodeL <=, needsToBeSentAsUnicode=%d",
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   274
    needsToBeSentAsUnicode )
0
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   275
    return needsToBeSentAsUnicode;
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   276
    }
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// ---------------------------------------------------------
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// CUssdNaviPane::CountExtendedTableChars
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// Counts if there are 7bit extended table characters in message
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// (other items were commented in a header).
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// ---------------------------------------------------------
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   283
//
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   284
TInt CUssdNaviPane::CountExtendedTableChars( const TDesC& aInputString ) const
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    {
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   286
    const TInt total = aInputString.Length();
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    TInt extChars = 0;
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   288
    
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   289
    TUint uChar;
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   290
    for ( TInt i=0; i < total; i++ )
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   291
        {
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   292
        uChar = TUint(aInputString[i]);
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   293
        if (( uChar == KUssdEdLeftSquareBracket) || 
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   294
            ( uChar == KUssdEdReverseSolidus ) || 
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   295
            ( uChar == KUssdEdRightSquareBracket ) || 
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   296
            ( uChar == KUssdEdCircumflexAccent ) || 
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   297
            ( uChar == KUssdEdLeftCurlyBracket ) || 
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   298
            ( uChar == KUssdEdVerticalLine ) || 
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diff changeset
   299
            ( uChar == KUssdEdRightCurlyBracket ) || 
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diff changeset
   300
            ( uChar == KUssdEdTilde ) || 
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parents:
diff changeset
   301
            ( uChar == KUssdEdEuroSymbol )) 
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   302
            {
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   303
            extChars = extChars + 1;
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   304
            }
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diff changeset
   305
        }
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   306
    return extChars;
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parents:
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   307
    }
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   308
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   309
// ---------------------------------------------------------
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parents:
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   310
// CUssdNaviPane::GenerateBackSpaceKeyL
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parents:
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   311
// Generates a backspace key press event.
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parents:
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   312
// (other items were commented in a header).
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   313
// ---------------------------------------------------------
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   314
//
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parents:
diff changeset
   315
void CUssdNaviPane::GenerateBackSpaceKeyL( CCoeControl* aControl )
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parents:
diff changeset
   316
    {
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   317
    TKeyEvent keyEvent;
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parents:
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   318
    keyEvent.iCode = EKeyBackspace;
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parents:
diff changeset
   319
    keyEvent.iScanCode = EStdKeyBackspace;
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parents:
diff changeset
   320
    keyEvent.iRepeats = 1;
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parents:
diff changeset
   321
    keyEvent.iModifiers = 0;
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parents:
diff changeset
   322
    TEventCode type = EEventKey;
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parents:
diff changeset
   323
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parents:
diff changeset
   324
    if ( aControl )
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parents:
diff changeset
   325
        {
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parents:
diff changeset
   326
        aControl->OfferKeyEventL( keyEvent, type );
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parents:
diff changeset
   327
        }
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parents:
diff changeset
   328
    }
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parents:
diff changeset
   329
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parents:
diff changeset
   330
// End of File