S60 3rd Edition SDK for Symbian OS Example Applications Guide

SIPExDoc.cpp

/*
* ==============================================================================
*  Name        : SIPExDoc.cpp
*  Part of     : SIPEx
*  Interface   : 
*  Description : 
*  Version     : 
*
*  Copyright (c) 2004-2006 Nokia Corporation.
*  This material, including documentation and any related 
*  computer programs, is protected by copyright controlled by 
*  Nokia Corporation.
* ==============================================================================
*/

// INCLUDE FILES

#include    "SIPExDoc.h"
#include    "SIPExAppUi.h"
#include    "SIPExGameEngine.h"

// CONSTANTS
const TInt KMaxInfoLength = 1024;

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------
// CSIPExDoc::CSIPSettinsgDoc
// C++ default constructor can NOT contain any code, that
// might leave.
// -----------------------------------------------------------------------------
//
CSIPExDoc::CSIPExDoc( CEikApplication& aApp ) 
    : CEikDocument( aApp )
    {
    }

// -----------------------------------------------------------------------------
// CSIPExDoc::ConstructL
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CSIPExDoc::ConstructL()
    {
    iInfoText = HBufC::NewL( KMaxInfoLength );
    }

// -----------------------------------------------------------------------------
// CSIPExDoc::NewL
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CSIPExDoc* CSIPExDoc::NewL( CEikApplication& aApp )
    {
    CSIPExDoc* self = new( ELeave ) CSIPExDoc( aApp );
    
    CleanupStack::PushL( self );
    self->ConstructL();
    CleanupStack::Pop();

    return self;
    }
  
// Destructor
CSIPExDoc::~CSIPExDoc()
    {
    delete iEngine;
    delete iInfoText;
    }

// -----------------------------------------------------------------------------
// CSIPExDoc::CreateAppUiL
// Creates the application user interface and return a pointer to it
// -----------------------------------------------------------------------------
//
CEikAppUi* CSIPExDoc::CreateAppUiL()
    {
    CSIPExAppUi* appUi = new ( ELeave ) CSIPExAppUi;
    return appUi;
    }

// -----------------------------------------------------------------------------
// CSIPExDoc::CreateEngineL
// Creates the application engine
// -----------------------------------------------------------------------------
//
CSIPExEngine* CSIPExDoc::CreateEngineL( MSIPExGameObserver& aObserver )
    {    
    iEngine = CSIPExEngine::NewL( aObserver );
    return iEngine;
    }
    
// -----------------------------------------------------------------------------
// CSIPExDoc::StoreInfoTextL
// -----------------------------------------------------------------------------
//    
void CSIPExDoc::StoreInfoTextL( const TDesC& aText )
    {
    __ASSERT_ALWAYS( 
        ( aText.Length() + 1 ) < KMaxInfoLength, User::Leave( KErrArgument ) );
    
    TPtr ptext( iInfoText->Des() );
    
    TInt appendLen = aText.Length() + 1; // plus one is for line break 
    
    if ( ( appendLen + iInfoText->Length() ) > KMaxInfoLength )
        {
        ptext.Delete( 0, appendLen );
        }
        
    ptext.Append( aText );
    ptext.Append( CEditableText::ELineBreak );
    }
 
// -----------------------------------------------------------------------------
// CSIPExDoc::InfoText
// -----------------------------------------------------------------------------
//    
const TDesC& CSIPExDoc::InfoText()
    {
    return *iInfoText;
    }

//  End of File  

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© Nokia 2006