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/*
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* Copyright (c) 2003-2007 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 the License "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: ?Description
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*
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*/
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// INCLUDE FILES
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#include "InlineTextCompositeSource.h"
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// MODULE TEMPLATES
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// MODULE DATA STRUCTURES
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_LIT( KBadCharacter, " " );
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// ============================ MEMBER FUNCTIONS ===============================
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EXPORT_C CInlineTextCompositeSource* CInlineTextCompositeSource::NewL()
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{
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CInlineTextCompositeSource* self = new (ELeave) CInlineTextCompositeSource();
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop();
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return self;
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}
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CInlineTextCompositeSource::~CInlineTextCompositeSource()
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{
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// delete the pointed-to objects because this object owns them
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if (iInlineTextSourceArray)
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iInlineTextSourceArray->ResetAndDestroy();
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delete iInlineTextSourceArray;
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}
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EXPORT_C void CInlineTextCompositeSource::InstallInlineTextSourceL( CInlineTextSource* aInlineTextSource )
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{
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if ( aInlineTextSource )
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iInlineTextSourceArray->AppendL( aInlineTextSource );
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}
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TInt CInlineTextCompositeSource::GetNextInlineTextPosition(
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const TTmDocPos& aFrom,
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TInt aMaxLength,
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TTmDocPos& aNext)
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{
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TInt retValue = KErrNotFound;
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// For now, call CheckFormattingL() at the top of each
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TTmDocPos to( aFrom.iPos + aMaxLength - 1, EFalse );
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if ( to < aFrom )
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{
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to = aFrom; // Makes at least a legal, if zero containing, range
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}
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TRAP_IGNORE( CheckFormattingL( aFrom, to ) );
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// The individual formatters are requested and the minimum position is returned
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TTmDocPos minDocPos(aFrom);
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minDocPos.iPos += ( aMaxLength + 2); // Ensure it is bigger than legal
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TInt count = iInlineTextSourceArray->Count();
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for ( TInt i = 0; i < count; i++ )
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{
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TTmDocPos thisNextPos;
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TInt err = iInlineTextSourceArray->At(i)
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->GetNextInlineTextPosition( aFrom, aMaxLength, thisNextPos );
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if ( err == KErrNone ) // one has been found
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{
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if ( thisNextPos < minDocPos )
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{
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minDocPos = thisNextPos;
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retValue = KErrNone;
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}
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}
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}
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if ( retValue == KErrNone )
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aNext = minDocPos;
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return retValue;
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}
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//
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//
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TPtrC CInlineTextCompositeSource::GetInlineText(const TTmDocPos& aAt)
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{
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TInt count = iInlineTextSourceArray->Count();
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for ( TInt i = 0; i < count; i++ )
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{
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TPtrC retPtr;
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if ( iInlineTextSourceArray->At(i)->HasInlineTextAt( aAt, retPtr ) )
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return retPtr;
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}
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#ifdef _DEBUG
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TBuf<80> buf;
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buf.Format( _L("Bad fetch of inline text at Pos: %d Trailing/Leading: %d"),
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aAt.iPos,
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aAt.iLeadingEdge );
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RDebug::Print( buf );
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__ASSERT_DEBUG( EFalse, Panic( EInlineTextBadInlineTextFetch ) );
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#endif
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return KBadCharacter();
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}
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//
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// Formatting notification is just passed to all inline text formatters
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//
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void CInlineTextCompositeSource::CheckFormattingL(
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const TTmDocPos& aFrom, const TTmDocPos& aTo )
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{
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TInt count = iInlineTextSourceArray->Count();
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for ( TInt i = 0; i < count; i++ )
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{
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iInlineTextSourceArray->At(i)->CheckFormattingL( aFrom, aTo );
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}
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}
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CInlineTextCompositeSource::CInlineTextCompositeSource()
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{}
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void CInlineTextCompositeSource::ConstructL()
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{
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iInlineTextSourceArray = new (ELeave) CInlineTextSourceArray(1); // Unit granularity
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}
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void CInlineTextCompositeSource::EditObserver( TInt aStart, TInt aExtent )
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{
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TInt count = iInlineTextSourceArray->Count();
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for ( TInt i = 0; i < count; i++ )
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{
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iInlineTextSourceArray->At(i)->EditObserver( aStart, aExtent );
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}
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}
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// End of File
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