harvester/server/src/harvesterqueue.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 18:41:19 +0300
changeset 35 f727727520eb
parent 25 8e4539ab1889
child 40 910a23996aa0
child 54 a3cc46f37772
permissions -rw-r--r--
Revision: 201023 Kit: 2010125
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/*
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* Copyright (c) 2006-2009 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:  Harvester server harvesting queue*
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*/
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#include "harvesterqueue.h"
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#include "harvesterao.h"
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#include "harvesterlog.h"
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#include "harvesterblacklist.h"
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#include "mdsutils.h"
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#include "harvestercommon.h"
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// ---------------------------------------------------------------------------
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// NewL
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// ---------------------------------------------------------------------------
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//
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CHarvesterQueue* CHarvesterQueue::NewL( CHarvesterAO* aHarvesterAO,
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		CHarvesterBlacklist* aBlacklist )
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    {
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    WRITELOG( "CHarvesterQueue::NewL()" );
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    CHarvesterQueue* self = CHarvesterQueue::NewLC( aHarvesterAO, aBlacklist );
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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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// NewLC
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// ---------------------------------------------------------------------------
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//
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CHarvesterQueue* CHarvesterQueue::NewLC( CHarvesterAO* aHarvesterAO,
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		CHarvesterBlacklist* aBlacklist )
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    {
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    WRITELOG( "CHarvesterQueue::NewLC()" );
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    CHarvesterQueue* self = new ( ELeave ) CHarvesterQueue(
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    		aHarvesterAO, aBlacklist );
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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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// ---------------------------------------------------------------------------
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// CHarvesterQueue
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// ---------------------------------------------------------------------------
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//            
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CHarvesterQueue::CHarvesterQueue( CHarvesterAO* aHarvesterAO,
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		CHarvesterBlacklist* aBlacklist ) : iMediaIdUtil( NULL )
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    {
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    WRITELOG( "CHarvesterQueue::CHarvesterQueue()" );
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    iHarvesterAO = aHarvesterAO;
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    iBlacklist = aBlacklist;
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    }
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// ---------------------------------------------------------------------------
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// ~CHarvesterQueue
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// ---------------------------------------------------------------------------
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//            
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CHarvesterQueue::~CHarvesterQueue()
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    {
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    WRITELOG( "CHarvesterQueue::CHarvesterQueue()" );
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    iItemQueue.ResetAndDestroy();
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    iItemQueue.Close();
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    iFs.Close();
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    RMediaIdUtil::ReleaseInstance();
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    if (iHEM)
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        {
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        iHEM->ReleaseInstance();
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        }
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    }
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// ---------------------------------------------------------------------------
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// ConstructL
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// ---------------------------------------------------------------------------
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//
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void CHarvesterQueue::ConstructL()
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    {
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    WRITELOG( "CHarvesterQueue::ConstructL()" );
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    User::LeaveIfError( iFs.Connect() );
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	iMediaIdUtil = &RMediaIdUtil::GetInstanceL();
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    iHEM = CHarvesterEventManager::GetInstanceL();
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    }
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// ---------------------------------------------------------------------------
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// ItemsInQueue
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// ---------------------------------------------------------------------------
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// 
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TInt CHarvesterQueue::ItemsInQueue()
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    {
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    WRITELOG( "CHarvesterQueue::ItemsInQueue()" );
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    return iItemQueue.Count();
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    }
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// ---------------------------------------------------------------------------
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// GetNextItem
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// ---------------------------------------------------------------------------
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//
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CHarvesterData* CHarvesterQueue::GetNextItem()
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	{
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    WRITELOG( "CHarvesterQueue::GetNextItem()" );
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    CHarvesterData* item = NULL;
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   	if ( iItemQueue.Count() > 0 )
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        {
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   119
#ifdef _DEBUG
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        WRITELOG1( "Harvester queue items = %d", iItemQueue.Count() );
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#endif
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        item = iItemQueue[0];
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   123
        iItemQueue.Remove( 0 );	
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   124
        }
20
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   125
   	   
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   	if( iItemQueue.Count() == 0 )
0
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        {
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        WRITELOG( "Harvester queue items zero!" );
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        iItemQueue.Compress();
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        }
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   131
   	
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   	WRITELOG( "CHarvesterQueue::GetNextItem, end" );
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   	return item;
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	}    
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   135
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// ---------------------------------------------------------------------------
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// Append
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// Files are checked against blacklist and blacklisted files
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// will not be appended.
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// ---------------------------------------------------------------------------
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   141
//
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   142
void CHarvesterQueue::Append( CHarvesterData* aItem )
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	{
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    WRITELOG( "CHarvesterQueue::Append()" );
20
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    TInt err( KErrNone );
0
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   146
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    if ( iBlacklist )
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   148
        {
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   149
        TUint32 mediaId( 0 );
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		err = iMediaIdUtil->GetMediaId( aItem->Uri(), mediaId );
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   151
        
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        TTime time( 0 );
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   153
        if ( err == KErrNone && iBlacklist->IsBlacklisted(
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   154
        		aItem->Uri(), mediaId, time ) )
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   155
            {
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   156
            WRITELOG( "CHarvesterQueue::Append() - found a blacklisted file" );
25
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parents: 23
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   157
            if( aItem->ObjectType() == EPlaceholder )
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parents: 23
diff changeset
   158
                {
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   159
                TRAP_IGNORE( iHEM->DecreaseItemCountL( EHEObserverTypePlaceholder ) );
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parents: 23
diff changeset
   160
                }
23
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parents: 21
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   161
            TRAP_IGNORE( iHEM->DecreaseItemCountL( EHEObserverTypeMMC ) );
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parents: 21
diff changeset
   162
            if( aItem->EventType() == EHarvesterEdit )
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parents: 21
diff changeset
   163
                {
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diff changeset
   164
                // Remove possible placeholder items from DB if file was blacklisted during harvesting
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parents: 21
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   165
                iHarvesterAO->RemoveBlacklistedFile( aItem );
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   166
                }
0
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   167
            delete aItem;
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            aItem = NULL;
1
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   169
            return;
0
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   170
            }
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   171
        }
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diff changeset
   172
20
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   173
	// check if fast harvest file and add to start of queue
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   174
    if ( aItem->ObjectType() == EFastHarvest || aItem->Origin() == MdeConstants::Object::ECamera )
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parents: 3
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   175
    	{
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   176
    	err = iItemQueue.Insert( aItem, 0 );
21
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diff changeset
   177
    	if( !iHarvesterAO->IsActive() )
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parents: 20
diff changeset
   178
    	    {
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   179
            iHarvesterAO->SetPriority( KHarvesterPriorityMonitorPlugin );
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   180
    	    }
20
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   181
    	}
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   182
    else
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diff changeset
   183
    	{
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diff changeset
   184
    	err = iItemQueue.Append( aItem );
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parents: 3
diff changeset
   185
    	}
0
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   186
    	
20
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parents: 3
diff changeset
   187
    if( err != KErrNone )
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diff changeset
   188
		{
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diff changeset
   189
		delete aItem;
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parents: 3
diff changeset
   190
		aItem = NULL;
0
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   191
        }
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   192
    }
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   193
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diff changeset
   194
// ---------------------------------------------------------------------------
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   195
// RemoveItems
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   196
// Remove items from the queue based on them mediaid.
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   197
// ---------------------------------------------------------------------------
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parents:
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   198
//
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   199
TUint CHarvesterQueue::RemoveItems( TUint32 aMediaId )
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   200
    {
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diff changeset
   201
#ifdef _DEBUG
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   202
    WRITELOG1( "CHarvesterQueue::RemoveItems( %d )", aMediaId);
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parents:
diff changeset
   203
    
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diff changeset
   204
    WRITELOG1( "CHarvesterQueue::RemoveItems() iItemQueue.Count() == %d", iItemQueue.Count());
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parents:
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   205
#endif
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parents:
diff changeset
   206
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   207
    TUint removedCount(0);
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diff changeset
   208
    TInt err(KErrNone);
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parents:
diff changeset
   209
    TUint32 mediaId( 0 );
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parents:
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   210
    CHarvesterData* hd = NULL;
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parents:
diff changeset
   211
    
21
50bf9db68373 Revision: 201011
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parents: 20
diff changeset
   212
    for( TInt i = iItemQueue.Count() - 1; i >=0; i-- )
0
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   213
        {
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   214
        hd = iItemQueue[i];
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parents:
diff changeset
   215
        err = iMediaIdUtil->GetMediaId( hd->Uri(), mediaId );
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   216
        
c53acadfccc6 Revision: 201001
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parents:
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   217
        if( err == KErrNone)
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parents:
diff changeset
   218
            {
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   219
            if( mediaId == aMediaId)
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   220
                {
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   221
                delete hd;
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parents:
diff changeset
   222
                hd = NULL;
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   223
                iItemQueue.Remove( i );
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parents:
diff changeset
   224
                removedCount++;
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parents:
diff changeset
   225
                }
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parents:
diff changeset
   226
            else
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   227
                {
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parents:
diff changeset
   228
                WRITELOG2( "CHarvesterQueue::RemoveItems( ) %d != %d", mediaId, aMediaId);
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   229
                }
c53acadfccc6 Revision: 201001
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            }
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        else
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            {
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            WRITELOG1( "CHarvesterQueue::RemoveItems( ) GetMediaId err == %d", err);
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            }
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        }
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    if( removedCount > 0 )
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        {
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        iItemQueue.Compress();
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        }
0
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#ifdef _DEBUG
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    WRITELOG2( "CHarvesterQueue::RemoveItems() iItemQueue.Count() = %d, removedCount = %d", iItemQueue.Count(), removedCount);
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#endif
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    return removedCount;
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    }
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// ---------------------------------------------------------------------------
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// MonitorEvent
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// ---------------------------------------------------------------------------
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//  
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void CHarvesterQueue::MonitorEvent( CHarvesterData* aHarvesterData )
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    {
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   	Append( aHarvesterData );
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    // signal to start harvest if harvester idles
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    if ( !iHarvesterAO->IsServerPaused() && iHarvesterAO->GetHarvesterAORunState() == CHarvesterAO::ERequestIdle )
0
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        {
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        iHarvesterAO->SetNextRequest( CHarvesterAO::ERequestHarvest );
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        }
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    }
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// ---------------------------------------------------------------------------
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// MonitorEvent
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// ---------------------------------------------------------------------------
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//  
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void CHarvesterQueue::MonitorEvent(
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        RPointerArray<CHarvesterData>& aHarvesterDataArray )
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    {
3
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    const TInt count( aHarvesterDataArray.Count() );
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    for( TInt i = 0; i < count; i++ )
0
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    	{
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    	MonitorEvent( aHarvesterDataArray[i] );
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    	}
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    }
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