application/src/PodcastQueueView.cpp
author Sebastian Brannstrom <sebastianb@symbian.org>
Thu, 15 Jul 2010 21:29:09 +0100
changeset 185 92eadaba67e6
parent 168 9d3b805af5ab
child 243 44d205147a83
permissions -rw-r--r--
Fix so listbox position is kept when removing a show from queue
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/*
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* Copyright (c) 2007-2010 Sebastian Brannstrom, Lars Persson, EmbedDev AB
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*
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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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* EmbedDev AB - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include "PodcastQueueView.h"
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#include "PodcastAppUi.h"
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#include "ShowEngine.h"
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#include "SettingsEngine.h"
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#include "PodcastApp.h"
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#include "Constants.h"
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#include "imagehandler.h"
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#include "PodcastShowsView.h"
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#include <podcast.rsg>
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#include <podcast.mbg>
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#include <gulicon.h>
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#include <barsread.h>
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#include <aknnotedialog.h>
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#include <aknmessagequerydialog.h>
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#define KMaxMessageLength 200
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CPodcastQueueView* CPodcastQueueView::NewL(CPodcastModel& aPodcastModel)
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	{
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	CPodcastQueueView* self = CPodcastQueueView::NewLC(aPodcastModel);
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	CleanupStack::Pop(self);
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	return self;
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	}
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CPodcastQueueView* CPodcastQueueView::NewLC(CPodcastModel& aPodcastModel)
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	{
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	CPodcastQueueView* self = new ( ELeave ) CPodcastQueueView(aPodcastModel);
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	return self;
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	}
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CPodcastQueueView::CPodcastQueueView(CPodcastModel& aPodcastModel) :
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	CPodcastShowsView(aPodcastModel)
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	{
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	}
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void CPodcastQueueView::ConstructL()
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	{
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	BaseConstructL(R_PODCAST_QUEUEVIEW);
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	CPodcastListView::ConstructL();
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1cc7501102a8 CPodcastQueueView now inherits CPodcastShowsView instead of CPodcastListView. This removes the duplicated code between the two classes.
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	CreateIconsL();
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	iListContainer->Listbox()->SetListBoxObserver(this);
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	iPodcastModel.FeedEngine().AddObserver(this);
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	iPodcastModel.ShowEngine().AddObserver(this);
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	iStylusPopupMenu = CAknStylusPopUpMenu::NewL( this , TPoint(0,0));
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	TResourceReader reader;
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	iCoeEnv->CreateResourceReaderLC(reader,R_QUEUEVIEW_POPUP_MENU);
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	iStylusPopupMenu->ConstructFromResourceL(reader);
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	CleanupStack::PopAndDestroy();
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	SetEmptyTextL(R_PODCAST_EMPTY_QUEUE);
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	}
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TKeyResponse CPodcastQueueView::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
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	{
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	if (aType == EEventKey)
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		{
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		CShowInfo *activeShow = NULL;
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		TInt index = iListContainer->Listbox()->CurrentItemIndex();
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		if(index >= 0 && index < iPodcastModel.ActiveShowList().Count())
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		{
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			activeShow = iPodcastModel.ActiveShowList()[index];
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		}
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		if (activeShow != NULL) {
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			DP1("aKeyEvent.iCode=%d", aKeyEvent.iCode);
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			switch (aKeyEvent.iCode) {
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			case EKeyBackspace:
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			case EKeyDelete:
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				HandleCommandL(EPodcastRemoveDownload);
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				break;
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			default:
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				break;
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			}
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			UpdateToolbar();
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		}
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	}
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		return CPodcastListView::OfferKeyEventL(aKeyEvent, aType);
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	}
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CPodcastQueueView::~CPodcastQueueView()
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	{
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	iPodcastModel.ShowEngine().RemoveObserver(this);
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	iPodcastModel.FeedEngine().RemoveObserver(this);
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    if(iStylusPopupMenu)
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        delete iStylusPopupMenu, iStylusPopupMenu = NULL;
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	}
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TUid CPodcastQueueView::Id() const
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	{
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	return KUidPodcastQueueViewID;
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	}
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void CPodcastQueueView::DoActivateL(const TVwsViewId& aPrevViewId,
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		TUid aCustomMessageId, const TDesC8& aCustomMessage)
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	{
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	DP("CPodcastQueueView::DoActivateL BEGIN");
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	CPodcastListView::DoActivateL(aPrevViewId, aCustomMessageId, aCustomMessage);
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	iPreviousView = aPrevViewId;
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	UpdateFeedUpdateStateL();
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	UpdateToolbar();
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	DP("CPodcastQueueView::DoActivateL END");
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	}
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void CPodcastQueueView::DoDeactivate()
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	{
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	CPodcastListView::DoDeactivate();
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	}
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void CPodcastQueueView::HandleListBoxEventL(CEikListBox* /*aListBox*/,
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		TListBoxEvent aEventType)
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	{
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	switch (aEventType)
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		{
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		case EEventItemSingleClicked:
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		case EEventEnterKeyPressed:		
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		case EEventItemActioned:
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		case EEventItemDoubleClicked:
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			break;
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		default:
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			break;
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		}
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		UpdateToolbar();
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	}
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void CPodcastQueueView::UpdateListboxItemsL()
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	{
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	if (iListContainer->IsVisible() && !iDontUpdateList)
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		{
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		TListItemProperties itemProps;
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		TInt len = 0;
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		iPodcastModel.GetShowsDownloadingL();
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		RShowInfoArray &fItems = iPodcastModel.ActiveShowList();
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		len = fItems.Count();
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		if (iListContainer->Listbox() != NULL)
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			{
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			TBool allUidsMatch = EFalse;
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			if (len == iListContainer->Listbox()->Model()->NumberOfItems())
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   174
				{
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				allUidsMatch = ETrue;
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				TUint itemId = 0;
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				for (TInt loop = 0; loop< len; loop++)
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					{
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					itemId = iItemIdArray[loop];
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					if (fItems[loop]->Uid() != itemId)
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   181
						{
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						allUidsMatch = EFalse;
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						break;
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   184
						}
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					}
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				}
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			if (allUidsMatch && len > 0)
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   189
				{
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				for (TInt loop = 0; loop< len; loop++)
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   191
					{					
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					UpdateShowItemDataL(fItems[loop], loop);	
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					iListContainer->Listbox()->DrawItem(loop);
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   194
					}
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   195
				}
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			else
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				{
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   198
				iListContainer->Listbox()->ItemDrawer()->ClearAllPropertiesL();
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   199
				iListContainer->Listbox()->Reset();
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				iItemIdArray.Reset();
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   201
				iItemArray->Reset();
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				if (len > 0)
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   204
					{
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					for (TInt i=0; i<len; i++)
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   206
						{
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						CShowInfo *si = fItems[i];
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						FormatShowInfoListBoxItemL(*si);
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   209
						iItemIdArray.Append(si->Uid());						
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						iItemArray->AppendL(iListboxFormatbuffer);
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   211
						}
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   212
					}
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   213
				else
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   214
					{
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					iItemArray->Reset();
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   216
					iItemIdArray.Reset();
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   217
					
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					itemProps.SetDimmed(ETrue);
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   219
					itemProps.SetHiddenSelection(ETrue);
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   220
					}
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   221
				iListContainer->Listbox()->HandleItemAdditionL();
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   222
				}				
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   223
			}
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   224
		}
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   225
	}
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   226
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   227
/** 
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   228
 * Command handling function intended for overriding by sub classes. 
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   229
 * Default implementation is empty.  
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   230
 * @param aCommand ID of the command to respond to. 
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   231
 */
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   232
void CPodcastQueueView::HandleCommandL(TInt aCommand)
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   233
	{
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   234
	switch (aCommand)
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   235
		{
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   236
		case EPodcastRemoveAllDownloads:
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   237
			{
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   238
			TBuf<KMaxMessageLength> msg;
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   239
			iEikonEnv->ReadResourceL(msg, R_CLEAR_QUERY);
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   240
												
35
66c5303f3610 A ton of CodeScanner fixes (high issues) - but not all
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diff changeset
   241
			if(ShowQueryMessageL(msg))
2
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   242
				{
35
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diff changeset
   243
				iPodcastModel.ShowEngine().RemoveAllDownloadsL();
2
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   244
				UpdateListboxItemsL();
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   245
				}
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diff changeset
   246
			}
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   247
			break;
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   248
		case EPodcastRemoveDownload:
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   249
			{
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   250
			TInt index = iListContainer->Listbox()->CurrentItemIndex();
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   251
			if (index >= 0 && index < iPodcastModel.ActiveShowList().Count())
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   252
				{
185
92eadaba67e6 Fix so listbox position is kept when removing a show from queue
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diff changeset
   253
				// this is an ugly hack to prevent UpdateListboxItemsL from being
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   254
				// triggered from the show engine, which causes focus to jump
92eadaba67e6 Fix so listbox position is kept when removing a show from queue
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   255
				// around in an ugly fashion
92eadaba67e6 Fix so listbox position is kept when removing a show from queue
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diff changeset
   256
				iDontUpdateList = ETrue;
116
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   257
				TRAP_IGNORE(iPodcastModel.ShowEngine().RemoveDownloadL(iPodcastModel.ActiveShowList()[index]->Uid()));
185
92eadaba67e6 Fix so listbox position is kept when removing a show from queue
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   258
				iDontUpdateList = EFalse;
92eadaba67e6 Fix so listbox position is kept when removing a show from queue
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diff changeset
   259
				}
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   260
			UpdateListboxItemsL();
92eadaba67e6 Fix so listbox position is kept when removing a show from queue
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diff changeset
   261
			if (index > 0)
92eadaba67e6 Fix so listbox position is kept when removing a show from queue
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   262
				{
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   263
				iListContainer->Listbox()->SetCurrentItemIndex(index - 1);
2
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   264
				}
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   265
			}
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   266
			break;
151
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   267
		case EPodcastMoveDownloadUp:
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   268
			{
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   269
			TInt index = iListContainer->Listbox()->CurrentItemIndex();
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   270
			TBool resumeAfterMove = EFalse;
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   271
			if (index == 1 && !iPodcastModel.SettingsEngine().DownloadSuspended())
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   272
				{
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   273
				iPodcastModel.ShowEngine().SuspendDownloads();
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   274
				resumeAfterMove = ETrue;
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   275
				}
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   276
			
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   277
			if (index >= 0 && index < iPodcastModel.ActiveShowList().Count())
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   278
				{
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diff changeset
   279
				TRAP_IGNORE(iPodcastModel.ShowEngine().MoveDownloadUpL(iPodcastModel.ActiveShowList()[index]->Uid()));
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diff changeset
   280
				}
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diff changeset
   281
			
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   282
			if(resumeAfterMove)
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diff changeset
   283
				{
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diff changeset
   284
				iPodcastModel.ShowEngine().ResumeDownloadsL();
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diff changeset
   285
				}
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diff changeset
   286
				
168
9d3b805af5ab Improvement to queue shifting function - move the highlight too.
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parents: 163
diff changeset
   287
			iListContainer->Listbox()->SetCurrentItemIndex(index - 1);
151
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   288
			UpdateListboxItemsL();
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diff changeset
   289
			}
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diff changeset
   290
			break;
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diff changeset
   291
		case EPodcastMoveDownloadDown:
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   292
			{
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diff changeset
   293
			TInt index = iListContainer->Listbox()->CurrentItemIndex();
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diff changeset
   294
			TBool resumeAfterMove = EFalse;
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diff changeset
   295
			if (index == 0 && !iPodcastModel.SettingsEngine().DownloadSuspended())
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   296
				{
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diff changeset
   297
				iPodcastModel.ShowEngine().SuspendDownloads();
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diff changeset
   298
				resumeAfterMove = ETrue;
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   299
				}
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diff changeset
   300
			
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   301
			if (index >= 0 && index < iPodcastModel.ActiveShowList().Count())
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   302
				{
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   303
				TRAP_IGNORE(iPodcastModel.ShowEngine().MoveDownloadDownL(iPodcastModel.ActiveShowList()[index]->Uid()));
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   304
				}
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diff changeset
   305
			
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   306
			if(resumeAfterMove)
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diff changeset
   307
				{
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   308
				iPodcastModel.ShowEngine().ResumeDownloadsL();
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diff changeset
   309
				}
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diff changeset
   310
			
168
9d3b805af5ab Improvement to queue shifting function - move the highlight too.
Brendan Donegan <brendand@symbian.org>
parents: 163
diff changeset
   311
			iListContainer->Listbox()->SetCurrentItemIndex(index - 1);
151
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   312
			UpdateListboxItemsL();
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diff changeset
   313
			}
17da6d3a5a4b Merge of fix for bug 2737 from Symbian1 branch
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diff changeset
   314
			break;
2
29cda98b007e Initial import of Podcatcher from the Bergamot project
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parents:
diff changeset
   315
		case EPodcastSuspendDownloads:
29cda98b007e Initial import of Podcatcher from the Bergamot project
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parents:
diff changeset
   316
			{
29cda98b007e Initial import of Podcatcher from the Bergamot project
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parents:
diff changeset
   317
			iPodcastModel.ShowEngine().SuspendDownloads();
29cda98b007e Initial import of Podcatcher from the Bergamot project
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parents:
diff changeset
   318
			UpdateListboxItemsL();
29cda98b007e Initial import of Podcatcher from the Bergamot project
skip
parents:
diff changeset
   319
			}
29cda98b007e Initial import of Podcatcher from the Bergamot project
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parents:
diff changeset
   320
			break;
29cda98b007e Initial import of Podcatcher from the Bergamot project
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parents:
diff changeset
   321
		case EPodcastResumeDownloads:
29cda98b007e Initial import of Podcatcher from the Bergamot project
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parents:
diff changeset
   322
			{
29cda98b007e Initial import of Podcatcher from the Bergamot project
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parents:
diff changeset
   323
			iPodcastModel.ShowEngine().ResumeDownloadsL();
29cda98b007e Initial import of Podcatcher from the Bergamot project
skip
parents:
diff changeset
   324
			UpdateListboxItemsL();
29cda98b007e Initial import of Podcatcher from the Bergamot project
skip
parents:
diff changeset
   325
			}
29cda98b007e Initial import of Podcatcher from the Bergamot project
skip
parents:
diff changeset
   326
			break;
29cda98b007e Initial import of Podcatcher from the Bergamot project
skip
parents:
diff changeset
   327
		default:
29cda98b007e Initial import of Podcatcher from the Bergamot project
skip
parents:
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   328
			CPodcastListView::HandleCommandL(aCommand);
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			break;
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		}
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	iListContainer->SetLongTapDetectedL(EFalse); // in case we got here by long tapping
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	UpdateToolbar();
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	}
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void CPodcastQueueView::DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane)
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	{
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	if(aResourceId == R_PODCAST_SHOWSVIEW_MENU)
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		{
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		aMenuPane->SetItemDimmed(EPodcastMarkAllPlayed, ETrue);
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		}
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	}
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void CPodcastQueueView::UpdateToolbar(TBool aVisible)
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	{
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	CAknToolbar* toolbar = Toolbar();
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	if (toolbar)
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		{
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		RShowInfoArray &fItems = iPodcastModel.ActiveShowList();
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		TInt itemCnt = fItems.Count();
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		if (iListContainer->IsVisible()) 
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			{
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			toolbar->SetToolbarVisibility(aVisible);
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			}
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		toolbar->HideItem(EPodcastRemoveAllDownloads, EFalse, ETrue);
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		toolbar->SetItemDimmed(EPodcastRemoveAllDownloads, itemCnt == 0, ETrue);
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		toolbar->HideItem(EPodcastSuspendDownloads,iPodcastModel.SettingsEngine().DownloadSuspended(), ETrue);
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		toolbar->HideItem(EPodcastResumeDownloads,!iPodcastModel.SettingsEngine().DownloadSuspended(), ETrue);	
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		toolbar->SetItemDimmed(EPodcastRemoveDownload, itemCnt == 0, ETrue);		
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		}
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	}
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void CPodcastQueueView::HandleLongTapEventL( const TPoint& aPenEventLocation, const TPoint& /* aPenEventScreenLocation */)
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{
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	DP("CPodcastQueueView::HandleLongTapEventL BEGIN");
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	iListContainer->SetLongTapDetectedL(ETrue);
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	const TInt KListboxDefaultHeight = 19; // for some reason it returns 19 for an empty listbox in S^1
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	TInt lbHeight = iListContainer->Listbox()->CalcHeightBasedOnNumOfItems(
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			iListContainer->Listbox()->Model()->NumberOfItems()) - KListboxDefaultHeight;
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    if(iStylusPopupMenu && aPenEventLocation.iY < lbHeight)
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    {
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		TBool dimDown = (iListContainer->Listbox()->CurrentItemIndex() >= iPodcastModel.ActiveShowList().Count() - 1 ?
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				ETrue : EFalse);
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		TBool dimUp = (iListContainer->Listbox()->CurrentItemIndex() <= 0 ?
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				ETrue : EFalse);
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		iStylusPopupMenu->SetItemDimmed(EPodcastMoveDownloadDown, dimDown);
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		iStylusPopupMenu->SetItemDimmed(EPodcastMoveDownloadUp, dimUp);
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		iStylusPopupMenu->ShowMenu();
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		iStylusPopupMenu->SetPosition(aPenEventLocation);
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   385
    }
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	DP("CPodcastQueueView::HandleLongTapEventL END");
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}