mpxplugins/viewplugins/views/commoncontainer/src/mpxcommonlistboxarraybase.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:45:05 +0200
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/*
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* Copyright (c) 2006 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:  Listbox array for common container
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*
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*/
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// INCLUDE FILES
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#include <mpxmedia.h>
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#include <mpxmediacontainerdefs.h>
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#include <mpxmediaarray.h>
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#include <mpxlog.h>
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#include <mpxcollectionpath.h>  // TMPXItemId
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#include <mpxmediageneraldefs.h>
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#include "mpxcommonlistboxarrayobserver.h"
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#include "mpxcommonlistboxarraybase.h"
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// CONSTANTS
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const TInt KMPXMaxStringSize = 300;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::CMPXCommonListBoxArrayBase
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// C++ default 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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EXPORT_C CMPXCommonListBoxArrayBase::CMPXCommonListBoxArrayBase() :
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    iPbState( EPbStateNotInitialised ),
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    iIndex( KErrNotFound )
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    {
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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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EXPORT_C CMPXCommonListBoxArrayBase::~CMPXCommonListBoxArrayBase()
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    {
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    MPX_DEBUG1( "CMPXCommonListBoxArrayBase::~CMPXCommonListBoxArrayBase START" );
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    delete iItem;
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    delete iContainerMedia;
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    MPX_DEBUG1( "CMPXCommonListBoxArrayBase::~CMPXCommonListBoxArrayBase END" );
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::ConstructListBoxArrayL
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// Construct the array
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXCommonListBoxArrayBase::ConstructListBoxArrayL()
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::ConstructListBoxArrayL" );
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    delete iItem;
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    iItem = NULL;
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    iItem = HBufC::NewL( KMPXMaxStringSize );
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::AppendMediaL
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// Appends media array to the current array
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXCommonListBoxArrayBase::AppendMediaL( const CMPXMedia& aMedia )
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::AppendMediaL" );
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    delete iContainerMedia;
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    iContainerMedia=NULL;
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    iContainerMedia=CMPXMedia::NewL(aMedia);
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    iMedia=const_cast<CMPXMediaArray*>(iContainerMedia->Value<CMPXMediaArray>( KMPXMediaArrayContents ) );
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    MPX_DEBUG2( "CMPXCommonListBoxArrayBase::AppendMediaL media count %d", iMedia->Count() );
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::ResetMediaArray
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// Resets media array.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXCommonListBoxArrayBase::ResetMediaArrayL()
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::ResetMediaArray" );
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    delete iContainerMedia;
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    iContainerMedia = NULL;
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    iMedia = NULL;
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    iIndex = KErrNotFound;
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    iPbState = EPbStateNotInitialised;
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::MediaArray
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// Gets media array.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C const CMPXMediaArray& CMPXCommonListBoxArrayBase::MediaArray()
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::MediaArray" );
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    ASSERT( iMedia );
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    return *iMedia;
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::MediaL
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// Get the media at index.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C const CMPXMedia& CMPXCommonListBoxArrayBase::MediaL( TInt aIndex )
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::MediaL" );
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    ASSERT( iMedia );
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    if ( ( iMedia->Count() < aIndex + 1 ) || ( aIndex  < 0 ) )
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        {
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        MPX_DEBUG3( "CMPXCommonListBoxArrayBase::MediaL KErrArgument aIndex = %d, iMedia->Count() = %d", aIndex, iMedia->Count() );
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        User::Leave( KErrArgument );
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        }
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    return *( iMedia->AtL( aIndex ) );
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::ContainerMedia
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// Get the container media.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C const CMPXMedia& CMPXCommonListBoxArrayBase::ContainerMedia()
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::ContainerMedia" );
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    return *iContainerMedia;
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::SetObserver
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// Set observer
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXCommonListBoxArrayBase::SetObserver(
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    MMPXCommonListBoxArrayObserver* aObserver)
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::SetObserver" );
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    ASSERT( !iObserver );
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    iObserver = aObserver;
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::RemoveObserver
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// Remove observer
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXCommonListBoxArrayBase::RemoveObserver()
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::RemoveObserver" );
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    iObserver = NULL;
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::CreateIconArrayL
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// creates icon array.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CAknIconArray* CMPXCommonListBoxArrayBase::CreateIconArrayL()
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    {
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    MPX_FUNC( "CMPXCommonListBoxArrayBase::CreateIconArrayL" );
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    return NULL;
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    }
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// -----------------------------------------------------------------------------
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// CMPXCommonListBoxArrayBase::MdcaCount
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// Returns the number of descriptor elements in a descriptor.
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TInt CMPXCommonListBoxArrayBase::MdcaCount() const
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    {
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    MPX_DEBUG2( "CMPXCommonListBoxArrayBase::MdcaCount count = %d", iMedia ? iMedia->Count() : 0 );
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    return ( iMedia ? iMedia->Count() : 0 );
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    }
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//  End of File