harvester/server/src/ondemandao.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:34:07 +0200
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/*
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* Copyright (c) 2008-2009 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:  
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*/
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#include "ondemandao.h"
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#include "mdeharvestersession.h"
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#include "harvesterdata.h"
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#include "harvesterlog.h"
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#include "harvesterplugin.h"
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#include "harvesterplugininfo.h"
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#include "harvesterpluginfactory.h"
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COnDemandAO::COnDemandAO() :
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	CActive( CActive::EPriorityUserInput )
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	{
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	WRITELOG("COnDemandAO::COnDemandAO");
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	}
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COnDemandAO* COnDemandAO::NewLC( CMdESession& aSession, MMonitorPluginObserver& aObserver,
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		CHarvesterPluginFactory& aPluginFactory, RPointerArray<CHarvesterData>* aPhArray )
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	{
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	WRITELOG("COnDemandAO::NewLC");
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	COnDemandAO* self = new ( ELeave ) COnDemandAO();
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	CleanupStack::PushL ( self);
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	self->ConstructL ( aSession, aObserver, aPluginFactory, aPhArray );
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	return self;
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	}
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COnDemandAO* COnDemandAO::NewL( CMdESession& aSession, MMonitorPluginObserver& aObserver,
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		CHarvesterPluginFactory& aPluginFactory, RPointerArray<CHarvesterData>* aPhArray )
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	{
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	WRITELOG("COnDemandAO::NewL");
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	COnDemandAO* self = COnDemandAO::NewLC ( aSession, aObserver, aPluginFactory, aPhArray );
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	CleanupStack::Pop (); // self;
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	return self;
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	}
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void COnDemandAO::ConstructL( CMdESession& aSession, MMonitorPluginObserver& aObserver,
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		CHarvesterPluginFactory& aPluginFactory, RPointerArray<CHarvesterData>* aPhArray )
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	{
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	WRITELOG("COnDemandAO::ConstructL");
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	iMdEHarvesterSession = CMdEHarvesterSession::NewL ( aSession);
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	iObserver = &aObserver;
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	iPluginFactory = &aPluginFactory;
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	iReadyPhArray = aPhArray;
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	CActiveScheduler::Add ( this ); // Add to scheduler
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	}
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COnDemandAO::~COnDemandAO()
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	{
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	WRITELOG("COnDemandAO::~COnDemandAO");
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	Cancel (); // Cancel any request, if outstanding
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	if( iMdEHarvesterSession )
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		{
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		delete iMdEHarvesterSession;
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		}
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	// Delete instance variables if any
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	}
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void COnDemandAO::DoCancel()
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	{
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	WRITELOG("COnDemandAO::DoCancel");
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	iMdEHarvesterSession->CancelHarvestingPrioritizationObserver ();
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	}
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void COnDemandAO::StartL()
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	{
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	WRITELOG("COnDemandAO::StartL");
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	// Cancel any request, just to be sure
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	Cancel ();
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	iMdEHarvesterSession->SetHarvestingPrioritizationChunkL ( 16384 );
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	WaitHarvestingRequest ();
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	}
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void COnDemandAO::RunL()
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	{
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	WRITELOG("COnDemandAO::RunL");
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	if( iStatus.Int() != KErrNotFound )
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		{
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		User::LeaveIfError ( iStatus.Int ());
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		TInt count = iMdEHarvesterSession->HarvestingPrioritizationUriCountL();
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		if( count > 0 )
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			{
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			RPointerArray<CHarvesterPluginInfo>& pluginInfos = iPluginFactory->GetPluginInfos();
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			TInt plugins = pluginInfos.Count();
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			for (TInt i = count; --i >= 0;)
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				{
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				HBufC* uri = iMdEHarvesterSession->HarvestingPrioritizationUriL( i );
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				CleanupStack::PushL( uri );
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				TBool found = EFalse;
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				for ( TInt j = 0; j < plugins && !found; j++ )
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					{
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					RPointerArray<CHarvesterData>& queue = pluginInfos[j]->iQueue;
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					TInt queueSize = queue.Count();
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					for ( TInt k = 0; k < queueSize && !found; k++ )
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						{				
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						if ( queue[k]->Uri().CompareF( *uri ) == 0 )
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							{
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							WRITELOG2("COnDemandAO::RunL URI %S found in plugin %d queue", uri, j);
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							CHarvesterData* hd = queue[k];
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							hd->SetEventType( EHarvesterEdit );
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							hd->SetObjectType( EFastHarvest );
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							queue.Remove( k );
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							queue.Insert( hd, 0 );
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							found = ETrue;
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							}							
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						}
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					}
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   123
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				const TInt readyPhArraySize = iReadyPhArray->Count();
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				for ( TInt j = 0; j < readyPhArraySize && !found; j++ )
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					{
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					if ( (*iReadyPhArray)[j]->Uri().CompareF( *uri ) == 0 )
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						{
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						WRITELOG1("COnDemandAO::RunL URI %S found in ph array", uri);
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						CHarvesterData* hd = (*iReadyPhArray)[j];
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						hd->SetEventType( EHarvesterEdit );
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						hd->SetObjectType( EFastHarvest );
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						iReadyPhArray->Remove( j );
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						iReadyPhArray->Insert( hd, 0 );
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						found = ETrue;
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						}
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					}
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   138
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				if ( !found )
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					{
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					WRITELOG1("COnDemandAO::RunL URI %S wasn't found in placeholder queue.", uri);
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   142
					
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					CMdESession& session = iMdEHarvesterSession->SessionRef();
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					TMdEObject object;
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					TRAPD( err, session.CheckObjectL( object, *uri ));
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					if ( err == KErrNone && object.Placeholder() )
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						{
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						CHarvesterData* hd = CHarvesterData::NewL( uri );
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						hd->SetEventType( EHarvesterEdit );
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						hd->SetObjectType( EFastHarvest );
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						iObserver->MonitorEvent( hd );
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						CleanupStack::Pop( uri );
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						}
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					else
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						{
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						CleanupStack::PopAndDestroy( uri );
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						}
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					}
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				else
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					{
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					CleanupStack::PopAndDestroy( uri );
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					}
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				}
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			}
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		}
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	WaitHarvestingRequest();
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	}
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   169
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TInt COnDemandAO::RunError( TInt /*aError*/ )
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	{
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	return KErrNone;
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	}
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   174
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void COnDemandAO::WaitHarvestingRequest()
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	{
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	WRITELOG("COnDemandAO::WaitHarvestingRequest");
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	iStatus = KRequestPending;
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	iMdEHarvesterSession->AddHarvestingPrioritizationObserver( iStatus );
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	// Tell scheduler a request is active
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	SetActive();
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	}