menufw/hierarchynavigator/hnpresentationmodel/src/hnsuitesstack.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:40:49 +0200
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/*
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* Copyright (c) 2007-2008 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:  suite stack
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*
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*/
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#include "hnsuitemodel.h"
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#include "hnsuitesstack.h"
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#include "hnsuitemodelcontainer.h"
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#include "hncontrollerinterface.h"
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// ============================ MEMBER FUNCTIONS =============================
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CHnSuitesStack* CHnSuitesStack::NewL( MHnControllerInterface& aControllerInterface )
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    {
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    CHnSuitesStack* self = new (ELeave) CHnSuitesStack( aControllerInterface );
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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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// 
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// ---------------------------------------------------------------------------
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//
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void CHnSuitesStack::ConstructL()
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    {
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CHnSuitesStack::~CHnSuitesStack()
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    {
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    iStack.ResetAndDestroy();
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CHnSuitesStack::CHnSuitesStack( MHnControllerInterface& aControllerInterface ):
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    iControllerInterface( aControllerInterface )
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    {
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CHnSuitesStack::PushL( CHnSuiteModel* aSuiteModel )
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    {
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    iStack.AppendL( aSuiteModel );
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    iControllerInterface.HandleSuiteEventL( ESuitePushedToStack, aSuiteModel );
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    return iStack.Count();
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CHnSuiteModel* CHnSuitesStack::PopL()
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    {
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    CHnSuiteModel* retSuite = NULL;
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    TInt pos = iStack.Count() - 1;
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    if ( pos >= 0 )
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    { 
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        retSuite = iStack[ pos ];
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        iStack.Remove( pos );
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    }
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    iControllerInterface.HandleSuiteEventL( ESuitePoppedFromStack, retSuite );
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    return retSuite;
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CHnSuiteModel* CHnSuitesStack::GetLast()
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    {
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    return ( iStack.Count() > 0 ) ? iStack[ iStack.Count() - 1 ] : NULL;
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CHnSuiteModel* CHnSuitesStack::Get( TInt aPosition )
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    {
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    ASSERT( aPosition >= 0 );
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    ASSERT( aPosition < iStack.Count() );
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    return iStack[ aPosition ];
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TBool CHnSuitesStack::IsEmpty()
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    {
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    return ( iStack.Count() > 0 ) ? EFalse : ETrue;
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CHnSuiteModel* CHnSuitesStack::GetRootSuite()
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    {
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    CHnSuiteModel* retSuite = NULL;
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    if ( iStack.Count() > 0 )
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        {
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        retSuite = iStack[ 0 ];
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        }
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    return retSuite;
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CHnSuitesStack::Count()
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    {
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    return iStack.Count();
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    }
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//End of file.