application/src/PodcastSearchView.cpp
author Sebastian Brannstrom <sebastianb@symbian.org>
Sat, 30 Oct 2010 14:28:25 +0100
branchRCL_3
changeset 312 2faae209e72b
parent 309 d9f6395a50ea
child 313 0f30a75610de
permissions -rw-r--r--
More elegant view handling between search view and feeds view
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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 "PodcastSearchView.h"
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#include "PodcastAppUi.h"
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#include "FeedEngine.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 "PodcastUtils.h"
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#include <caknfileselectiondialog.h> 
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#include <podcast.rsg>
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#include <podcast.mbg>
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#include <akntitle.h>
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#include <gulicon.h>
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#include <eikenv.h>
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#include <e32const.h>
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#include <eikdialg.h>
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#include <aknquerydialog.h>
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#include <caknmemoryselectiondialog.h> 
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#include <caknfilenamepromptdialog.h> 
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#include <BAUTILS.H> 
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#include <pathinfo.h> 
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#include <f32file.h>
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#include <akntoolbarextension.h>
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const TInt KMaxFeedNameLength = 100;
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#define KMaxMessageLength 200
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#define KMaxTitleLength 100
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_LIT(KSearchResultFormat, "%d\t%S\t%S");
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CPodcastSearchView* CPodcastSearchView::NewL(CPodcastModel& aPodcastModel)
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    {
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    CPodcastSearchView* self = CPodcastSearchView::NewLC(aPodcastModel);
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    CleanupStack::Pop( self );
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    return self;
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    }
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CPodcastSearchView* CPodcastSearchView::NewLC(CPodcastModel& aPodcastModel)
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    {
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    CPodcastSearchView* self = new ( ELeave ) CPodcastSearchView(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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CPodcastSearchView::CPodcastSearchView(CPodcastModel& aPodcastModel):iPodcastModel(aPodcastModel)
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{
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}
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void CPodcastSearchView::ConstructL()
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{
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	BaseConstructL(R_PODCAST_SEARCHVIEW);
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	CPodcastListView::ConstructL();
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	iPodcastModel.FeedEngine().AddObserver(this);
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	CArrayPtr< CGulIcon >* icons = new(ELeave) CArrayPtrFlat< CGulIcon >(1);
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	CleanupStack::PushL( icons );
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	CFbsBitmap* bitmap = NULL;
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	CFbsBitmap* mask = NULL;//	
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	AknIconUtils::CreateIconL(bitmap,
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							  mask,
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							  iEikonEnv->EikAppUi()->Application()->BitmapStoreName(),
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							  EMbmPodcastFeed,
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							  EMbmPodcastFeed_mask);
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	CleanupStack::PushL( bitmap );		
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	CleanupStack::PushL( mask );		
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	icons->AppendL( CGulIcon::NewL( bitmap, mask ) );
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	CleanupStack::Pop(2); // bitmap, mask
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	iListContainer->Listbox()->ItemDrawer()->FormattedCellData()->SetIconArrayL( icons );
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	CleanupStack::Pop(icons); // icons
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	iListContainer->Listbox()->SetListBoxObserver(this);
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	SetEmptyTextL(R_PODCAST_EMPTY_SEARCH);
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}
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CPodcastSearchView::~CPodcastSearchView()
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    {
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	DP("CPodcastSearchView::~CPodcastSearchView BEGIN");
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	iPodcastModel.FeedEngine().RemoveObserver(this);
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	DP("CPodcastSearchView::~CPodcastSearchView END");
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    }
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TUid CPodcastSearchView::Id() const
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{
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	return KUidPodcastSearchViewID;
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}
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void CPodcastSearchView::DoActivateL(const TVwsViewId& aPrevViewId,
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	                                  TUid aCustomMessageId,
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	                                  const TDesC8& aCustomMessage)
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{
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	CPodcastListView::DoActivateL(aPrevViewId, aCustomMessageId, aCustomMessage);
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	iPreviousView = TVwsViewId(KUidPodcast, KUidPodcastFeedViewID);
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	HBufC* text =  iEikonEnv->AllocReadResourceLC(R_SEARCH_RESULTS);
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	CAknTitlePane* titlePane = static_cast<CAknTitlePane*>
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		  ( StatusPane()->ControlL( TUid::Uid( EEikStatusPaneUidTitle ) ) );
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	titlePane->SetTextL(*text , ETrue );
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	CleanupStack::PopAndDestroy(text);
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	UpdateListboxItemsL();
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}
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void CPodcastSearchView::DoDeactivate()
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{
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	CPodcastListView::DoDeactivate();
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	CAknTitlePane* titlePane = static_cast<CAknTitlePane*>
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			  ( StatusPane()->ControlL( TUid::Uid( EEikStatusPaneUidTitle ) ) );
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	titlePane->SetTextToDefaultL();
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}
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void CPodcastSearchView::HandleListBoxEventL(CEikListBox* /* aListBox */, TListBoxEvent aEventType)
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{
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	DP("CPodcastSearchView::HandleListBoxEventL BEGIN");
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	switch(aEventType)
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	{
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	case EEventEnterKeyPressed:
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	case EEventItemSingleClicked:
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	case EEventItemDoubleClicked:
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	case EEventItemActioned:
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		{
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		HandleCommandL(EPodcastAddSearchResult);
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		}
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		break;
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	default:
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		break;
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	}
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	DP("CPodcastSearchView::HandleListBoxEventL END");
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}
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void CPodcastSearchView::UpdateListboxItemsL()
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	{
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	DP("CPodcastSearchView::UpdateListboxItemsL BEGIN");
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	if(!iListContainer->IsVisible()) {
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		DP("CPodcastSearchView::UpdateListboxItemsL END (not visible)");
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		return;
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	}
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	const RFeedInfoArray* searchItems = NULL;
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	searchItems = &iPodcastModel.FeedEngine().GetSearchResults();
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	TInt len = searchItems->Count();
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	TListItemProperties itemProps;
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	iListContainer->Listbox()->Reset();
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	iListContainer->Listbox()->ItemDrawer()->ClearAllPropertiesL();
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	iItemIdArray.Reset();
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	iItemArray->Reset();
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	if (len > 0) 
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		{
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		for (int i=0;i<len;i++) 
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			{				
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			CFeedInfo *fi = (*searchItems)[i];
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			iItemIdArray.Append(fi->Uid());
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			TInt iconIndex = 0;
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			TBuf<512> descr;
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			descr.Copy(fi->Description().Left(512));
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			PodcastUtils::RemoveAllFormatting(descr);
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			iListboxFormatbuffer.Format(KSearchResultFormat(), iconIndex, &fi->Title(), &descr);
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			iItemArray->AppendL(iListboxFormatbuffer);
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			iListContainer->Listbox()->ItemDrawer()->SetPropertiesL(i, itemProps);
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			}
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		} 
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	else 
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		{					
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		TBuf<KMaxFeedNameLength> itemName;
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		iEikonEnv->ReadResourceL(itemName, R_PODCAST_NO_SEARCH_RESULTS);
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		iItemArray->Reset();
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		iItemIdArray.Reset();
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		TListItemProperties itemProps;
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		itemProps.SetDimmed(ETrue);
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		itemProps.SetHiddenSelection(ETrue);								
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		iListContainer->Listbox()->ItemDrawer()->SetPropertiesL(0, itemProps);
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		}
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	iListContainer->Listbox()->HandleItemAdditionL();
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	DP("CPodcastSearchView::UpdateListboxItemsL END");
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	}
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/** 
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 * Command handling function intended for overriding by sub classes. 
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 * Default implementation is empty.  
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 * @param aCommand ID of the command to respond to. 
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 */
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void CPodcastSearchView::HandleCommandL(TInt aCommand)
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	{
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	//CloseToolbarExtension();
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	switch(aCommand)
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		{
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		case EPodcastAddSearchResult:
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			{
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			TInt index = iListContainer->Listbox()->CurrentItemIndex();
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			if(index < iItemArray->MdcaCount() && index >= 0)
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				{
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				CFeedInfo *newInfo = iPodcastModel.FeedEngine().GetSearchResults()[index];
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				// ask if user wants to add the feed
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				TBuf<KMaxMessageLength> templ;
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				TBuf<KMaxMessageLength> message;
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				iEikonEnv->ReadResourceL(templ, R_ADD_FEED_QUERY);
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				message.Format(templ, &newInfo->Title());
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				if(ShowQueryMessageL(message)) {
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					TBool added = iPodcastModel.FeedEngine().AddFeedL(*newInfo);
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					if (added)
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						{
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						// this is a bit of a hack, first we activate the feeds view normally
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						AppUi()->ActivateLocalViewL(KUidPodcastFeedViewID,  TUid::Uid(0), KNullDesC8);
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						// and then we send the UID of the recently added feed back to feed view for updating
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						// this is needed so the update? query comes on top of feed view, not search view
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						AppUi()->ActivateLocalViewL(KUidPodcastFeedViewID,  TUid::Uid(newInfo->Uid()), KNullDesC8);
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						}
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					else
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						{
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						TBuf<KMaxMessageLength> message;
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						iEikonEnv->ReadResourceL(message, R_ADD_FEED_EXISTS);
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						ShowErrorMessageL(message);
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						}		
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				}
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				}
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			}
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			break;
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		default:
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			CPodcastListView::HandleCommandL(aCommand);
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			break;
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		}
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		UpdateToolbar();
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	}
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void CPodcastSearchView::OpmlParsingComplete(TInt /*aError*/, TUint /*aNumFeedsImported*/)
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	{
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	DP("CPodcastSearchView::OpmlParsingComplete BEGIN");
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	DP("CPodcastSearchView::OpmlParsingComplete END");
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	}