uifw/EikStd/coctlsrc/smileymanager.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:41:34 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201009 Kit: 201010
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/*
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* Copyright (c) 2008 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:  smiely engine class
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*
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*/
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#include <coecntrl.h>
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#include <eikedwin.h>
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#include <frmtlay.h>
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#include "smileymodel.h"
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#include "smileyinforeader.h"
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#include "smileydrawer.h"
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#include "smileyimagedata.h"
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#include "smileymanager.h"
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#include "smileyiconrecord.h"
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// CSmileyManager::NewL
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// ---------------------------------------------------------------------------
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//
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CSmileyManager* CSmileyManager::NewL( CEikEdwin& aEdwin )
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    {
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    CSmileyManager* self = CSmileyManager::NewLC( aEdwin );
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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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// CSmileyManager::NewLC
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// ---------------------------------------------------------------------------
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//
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CSmileyManager* CSmileyManager::NewLC( CEikEdwin& aEdwin )
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    {
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    CSmileyManager* self( new( ELeave ) CSmileyManager );
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    CleanupStack::PushL( self );
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    self->ConstructL( aEdwin );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// destructor
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// ---------------------------------------------------------------------------
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//
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CSmileyManager::~CSmileyManager()
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    {
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    delete iDrawer;
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    delete iReader;
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    delete iModel;
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    delete iIconRecord;
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::ConvertSmileyStrings
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// ---------------------------------------------------------------------------
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//
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TBool CSmileyManager::ConvertTextForSmileyL( TInt aStart, TDes& aText, 
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    TBool aStringToCodes )
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    {
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    TBool ret( EFalse );
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    if ( aStringToCodes )
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        {    
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        ret = ConvertTextToCodesL( aText, aStart );
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        }
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    else if ( iIconRecord->HasSmileyIcon() )
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        {
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        ret = ConvertCodesToTextL( aText, aStart );        
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        } 
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    return ret;
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::ConvertCodesToTextL
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// ---------------------------------------------------------------------------
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//
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TBool CSmileyManager::ConvertCodesToTextL( TDes& aText, TInt aStart )
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    {
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    TBool ret( EFalse );
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    for ( TInt i( 0 ); i < aText.Length(); i++ )
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        {
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        if ( IsSmileyCode( aText[i] ) )
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            {
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            ret = ETrue;
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            CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( i + aStart ) );
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            if ( icon )
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                {
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                const TDesC& smileyText( icon->SmileyString() );
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                aText.Replace( i, smileyText.Length(), smileyText );
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                }
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            }
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        }
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    return ret;
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    }
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TBool CSmileyManager::ConvertTextToCodesL( TDes& aText, TInt aStart )
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    {
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    TBool ret( EFalse );
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    TInt i( 0 );
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    while ( i < aText.Length() )
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        {
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        TInt index( iModel->TryFindMatchNode( aText, i ) );
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        if ( iModel->IsFinalNode( index ) )
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            {
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            TInt smileyLength( iModel->SmileyStringLength( index ) );
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            TInt docPos( aStart + i );
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            CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( docPos ) );
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            if ( !icon || ( icon && !icon->IsDisabled() ) )
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                {
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                if ( !icon )
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                    {
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                    TText smileyCode( iModel->SmileyCode( index ) );
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                    AddSmileyToRecordL( aText.Mid( i, smileyLength ), docPos, 
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                        smileyCode );
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                    }
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                iModel->ReplaceTextWithCodes( aText, i, index );
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                ret = ETrue;
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                }
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            i += smileyLength;
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            }
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        else
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            {
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            i++;
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            }
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        }
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    return ret;
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    }
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void CSmileyManager::AddSmileyToRecordL( const TDesC& aSmileyText, TInt aDocPos, 
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    TText aCode )
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    {
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    CSmileyIcon* icon( new( ELeave ) CSmileyIcon( aCode ) );
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    icon->SetDocPos( aDocPos );
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    icon->SetSmileyString( aSmileyText );
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    iIconRecord->InsertIconL( icon );
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::SetHighlightColor
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// ---------------------------------------------------------------------------
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//
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void CSmileyManager::SetHighlightColor( TRgb aColor )
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    {
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    iDrawer->SetHighlightColor( aColor );
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::SetAnimationPlayTimes
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// ---------------------------------------------------------------------------
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//
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void CSmileyManager::SetAnimationPlayTimes( TInt aPlayTimes )
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    {
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    iDrawer->SetPlayTimes( aPlayTimes );
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::DrawIcon
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// ---------------------------------------------------------------------------
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//
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void CSmileyManager::DrawIconL( CBitmapContext& aGc, const TRect& aRect, 
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    TInt aDocPos )
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    {
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    CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
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    if ( icon && !icon->IsDisabled() )
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   176
        {
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        icon->SetRect( aRect );
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        CSmileyImageData* image( icon->ImageData() );
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        if ( image && aRect.Size() != image->BitmapSize() )
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            {
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            image->SetBitmapSize( aRect.Size() );
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   182
            if ( icon->IsPlayFinished() )
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   183
                {
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   184
                icon->PlayOneTime();
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                iDrawer->CreateImageL( image );
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   186
                }
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   187
            }
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        else if ( !image )
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   189
            {
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            iDrawer->CreateImageByIconL( icon );
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   191
            }
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        iDrawer->DrawImageByIconL( aGc, icon );
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   193
        }
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   194
    }
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   195
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// ---------------------------------------------------------------------------
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// CSmileyManager::IsSmileyCode
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// ---------------------------------------------------------------------------
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   199
//
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TBool CSmileyManager::IsSmileyCode( TText aCode )
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   201
	{
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	return ( aCode >= KSmileyCodeMin && aCode <= KSmileyCodeMax );
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   203
	}
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   204
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// ---------------------------------------------------------------------------
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// CSmileyManager::HandleDeleteL
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// ---------------------------------------------------------------------------
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   208
//
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void CSmileyManager::HandleDeleteL( TInt aStart, TInt aLength )
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   210
    { 
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    iIconRecord->HandleTextDelete( aStart, aLength );
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   212
    }
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   213
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   214
// ---------------------------------------------------------------------------
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   215
// CSmileyManager::HandleInsertL
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// ---------------------------------------------------------------------------
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   217
//
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void CSmileyManager::HandleInsertL( TInt aStart, TInt aLength )
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   219
    {
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    if ( aLength > 0 )
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   221
        { 
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        iIconRecord->HandleTextInsert( aStart, aLength );
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   223
        }
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   224
    }
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   225
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// ---------------------------------------------------------------------------
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   227
// CSmileyManager::HandleSetCursorL
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   228
// ---------------------------------------------------------------------------
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//
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void CSmileyManager::HandleSetCursor( TInt aOldCursor, TInt& aNewCursor )
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    {
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    CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aNewCursor ) );
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    if ( icon && !icon->IsDisabled() && aNewCursor != icon->DocPos() )
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        {
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        if ( aOldCursor <= aNewCursor )
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            {
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            aNewCursor = icon->EndPos();
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            }
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        else
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            {
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            aNewCursor = icon->DocPos();
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            }
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        }
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::HandleSelectionL
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// ---------------------------------------------------------------------------
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//
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void CSmileyManager::HandleSelection( TInt aStart, TInt aLength )
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    {
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    iIconRecord->CancelSelection();
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    iIconRecord->SetSelection( aStart, aLength );
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    iSelStart = aStart;
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    iSelLength = aLength;
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::SmileyCodeByPos
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// ---------------------------------------------------------------------------
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//
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TText CSmileyManager::SmileyCodeByPos( TInt aDocPos )
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    {
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    CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
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    if ( icon )
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        {
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        return icon->Code();
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        }
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    return 0;
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::TextBlockLength
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// ---------------------------------------------------------------------------
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//
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TInt CSmileyManager::SmileyLength( TInt aDocPos )
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    {
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    CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
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    if ( icon )
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        {
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        return icon->SmileyLength();
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        }
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    return 0;
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::TotalTextLength
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// ---------------------------------------------------------------------------
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//
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TBool CSmileyManager::HasSmileyIconsInText()
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    {
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    return iIconRecord->HasSmileyIcon();
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::RemoveIconsInRange
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// ---------------------------------------------------------------------------
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//
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void CSmileyManager::RemoveIconsInRange( TInt aStart, TInt aLength )
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    {
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    iIconRecord->HandleTextDelete( aStart, aLength );
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::DisableSmileyIcon
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// ---------------------------------------------------------------------------
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//
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void CSmileyManager::DisableSmileyIcon( TInt aDocPos )
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    {
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    CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
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    if ( icon )
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        {
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        icon->DisableIcon();
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        }
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    }
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// ---------------------------------------------------------------------------
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// CSmileyManager::IsDisabledSmileyIcon
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// ---------------------------------------------------------------------------
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//
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TBool CSmileyManager::IsDisabledSmileyIcon( TInt aDocPos )
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    {
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    CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
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    if ( icon )
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        {
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        return icon->IsDisabled();
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        }
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    return EFalse;
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    }
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// ================= Private member functions ======================
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// ---------------------------------------------------------------------------
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// CSmileyManager::CSmileyManager
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// c++ default constructor
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// ---------------------------------------------------------------------------
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//
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CSmileyManager::CSmileyManager()
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    {
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    }
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// ---------------------------------------------------------------------------
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// second phase constructor
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// ---------------------------------------------------------------------------
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//
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void CSmileyManager::ConstructL( CEikEdwin& aEdwin )
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    {
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    iIconRecord = new( ELeave ) CSmileyIconRecord;
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    iModel = new( ELeave ) CSmileyModel;
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    iReader = new( ELeave ) CSmileyInfoReader( *iModel );
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    iDrawer = new( ELeave ) CSmileyDrawer( *iModel, aEdwin );
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    iReader->LoadSmileysFromResourceL();    
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    }
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