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/*
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* Copyright (c) 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: Location history manager class implementation
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*
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*/
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#include "emailtrace.h"
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#include "cesmrlocationhistorymanager.h"
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#include <centralrepository.h>
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#include <s32mem.h>
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#include "mruiprivatecrkeys.h"
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#include "cesmrlocationhistoryitemfactory.h"
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#include "cesmrlocationhistoryitem.h"
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// ======== MEMBER FUNCTIONS ========
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::NewL
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// -----------------------------------------------------------------------------
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//
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CESMRLocationHistoryManager* CESMRLocationHistoryManager::NewL()
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{
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FUNC_LOG;
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CESMRLocationHistoryManager* object = CESMRLocationHistoryManager::NewLC();
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CleanupStack::Pop ( object );
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return object;
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::NewLC
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// -----------------------------------------------------------------------------
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//
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CESMRLocationHistoryManager* CESMRLocationHistoryManager::NewLC()
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{
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FUNC_LOG;
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CESMRLocationHistoryManager* object = new (ELeave) CESMRLocationHistoryManager();
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CleanupStack::PushL( object );
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object->ConstructL();
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return object;
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::~CESMRLocationHistoryManager
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// -----------------------------------------------------------------------------
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//
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CESMRLocationHistoryManager::~CESMRLocationHistoryManager( )
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{
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FUNC_LOG;
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delete iFactory;
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if ( iNotifyHandler )
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{
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iNotifyHandler->StopListening();
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}
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delete iNotifyHandler;
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delete iCRSession;
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iOrder.Reset();
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iHistoryList.ResetAndDestroy();
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::UpdateLocationHistoryL
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// -----------------------------------------------------------------------------
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//
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void CESMRLocationHistoryManager::UpdateLocationHistoryL( const MESMRLocationHistoryItem* aItem )
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{
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FUNC_LOG;
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// Update order list
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TBool itemWriteNeeded( ETrue );
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TInt index(-1);
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for( TInt i=0; i<iHistoryList.Count(); i++ )
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{
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// check if the history item already exists or there is one with identical address
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if(( aItem->Id() == iHistoryList[i]->Id() ) ||
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( aItem->Address().Compare( iHistoryList[i]->Address() ) == 0 ))
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{
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index = i;
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for( TInt j=0; j<iOrder.Count(); j++ )
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{
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if( i == iOrder[j] )
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{
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itemWriteNeeded = EFalse;
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iOrder.Remove( j );
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iOrder.Insert( index, 0 );
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// If the received item is new, delete it as it's not used
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if( aItem->Id() != iHistoryList[i]->Id() )
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{
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delete aItem;
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}
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break;
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}
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}
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}
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if( !itemWriteNeeded )
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{
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break;
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}
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}
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iNotifyHandler->StopListening();
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if( index == -1 )
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{
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// new history item
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if( iOrder.Count() == iMaxCount )
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{
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// max amount of history already stored, replace the oldest item
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index = iOrder[iOrder.Count() - 1];
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MESMRLocationHistoryItem* item = iHistoryList[index];
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iHistoryList.Remove( index );
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delete item;
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iHistoryList.Insert( aItem, index );
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iOrder.Remove( iOrder.Count() - 1 );
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iOrder.Insert( index, 0 );
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}
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else
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{
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// add new history item
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index = iOrder.Count();
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iOrder.Insert( index, 0 );
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iHistoryList.Append( aItem );
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// update current item count cenrep key
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User::LeaveIfError( iCRSession->Set( KESMRUILocationHistoryItemCount, iOrder.Count() ));
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}
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}
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// update order cenrep key
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HBufC8* orderBuf = HBufC8::NewLC( NCentralRepositoryConstants::KMaxBinaryLength );
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TPtr8 orderPtr( orderBuf->Des() );
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RDesWriteStream orderStream( orderPtr );
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orderStream.PushL();
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for( TInt i=0; i<iOrder.Count(); i++ )
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{
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orderStream.WriteUint16L( iOrder[i] );
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}
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orderStream.CommitL();
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CleanupStack::PopAndDestroy(); // codescanner::cleanup
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User::LeaveIfError( iCRSession->Set( KESMRUILocationHistoryItemOrder, orderPtr ));
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CleanupStack::PopAndDestroy( orderBuf );
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// updated changed location cenrep key
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if( itemWriteNeeded )
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{
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HBufC8* buf = HBufC8::NewLC( NCentralRepositoryConstants::KMaxBinaryLength );
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TPtr8 bufPtr = buf->Des();
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RDesWriteStream stream( bufPtr );
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stream.PushL();
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stream.WriteUint16L( aItem->Address().Length() );
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if( aItem->Address().Length() != 0 )
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{
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stream.WriteL( aItem->Address() );
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}
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stream.WriteUint16L( aItem->Url().Length() );
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if( aItem->Url().Length() != 0 )
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{
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stream.WriteL( aItem->Url() );
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}
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stream.CommitL();
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CleanupStack::PopAndDestroy(); // codescanner::cleanup
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TUint32 key = KESMRUILocationHistoryItemFirstInt;
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key = key + (( index + 1 ) * KESMRUILocationHistoryItemIndexMask );
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TInt err = iCRSession->Set( key, bufPtr );
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if( err == KErrNotFound )
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{
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err = iCRSession->Create( key, bufPtr );
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}
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User::LeaveIfError( err );
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CleanupStack::PopAndDestroy( buf );
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}
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iNotifyHandler->StartListeningL();
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::LocationHistoryItemL
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// -----------------------------------------------------------------------------
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//
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const MESMRLocationHistoryItem&
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CESMRLocationHistoryManager::LocationHistoryItemL( TInt aIndex )
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{
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FUNC_LOG;
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if(( aIndex < 0 ) || ( aIndex >= iOrder.Count() ))
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{
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User::Leave( KErrNotFound );
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}
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if( iOrder.Count() != iHistoryList.Count() )
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{
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ReadHistoryDataL();
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}
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return *iHistoryList[iOrder[aIndex]];
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::ItemCount
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// -----------------------------------------------------------------------------
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//
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TUint CESMRLocationHistoryManager::ItemCount()
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{
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FUNC_LOG;
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return iOrder.Count();
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::LocationHistoryItemFactory
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// -----------------------------------------------------------------------------
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//
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MESMRLocationHistoryItem* CESMRLocationHistoryManager::CreateLocationHistoryItemL(
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const TDesC& aAddress,
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const TDesC& aUrl )
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{
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FUNC_LOG;
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return iFactory->CreateLocationHistoryItemL( aAddress, aUrl );
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::CESMRLocationHistoryManager
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// -----------------------------------------------------------------------------
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//
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CESMRLocationHistoryManager::CESMRLocationHistoryManager() :
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iMaxCount( 0 )
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{
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FUNC_LOG;
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}
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void CESMRLocationHistoryManager::HandleNotifyGeneric( TUint32 /*aId*/ )
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{
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FUNC_LOG;
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/* One or more of the keys in KCRUidESMRUIPreviousLocations has changed.
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* Update all needed keys data by reading them. In reality this case is very
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* rare, so performance is not seen as a problem here.
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*/
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TRAP_IGNORE( ReadOrderDataL() );
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TRAP_IGNORE( ReadHistoryDataL() );
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CESMRLocationHistoryManager::ConstructL()
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{
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FUNC_LOG;
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iFactory = CESMRLocationHistoryItemFactory::NewL();
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iCRSession = CRepository::NewL( KCRUidESMRUIPreviousLocations );
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iNotifyHandler = CCenRepNotifyHandler::NewL( *this, *iCRSession );
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iNotifyHandler->StartListeningL();
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User::LeaveIfError( iCRSession->Get( KESMRUILocationHistoryItemMaxCount, iMaxCount ));
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TInt currentCount = 0;
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User::LeaveIfError( iCRSession->Get( KESMRUILocationHistoryItemCount, currentCount ));
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if( currentCount > 0 )
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{
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ReadOrderDataL();
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}
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::ReadOrderDataL
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// -----------------------------------------------------------------------------
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//
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void CESMRLocationHistoryManager::ReadOrderDataL()
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{
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FUNC_LOG;
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TInt currentCount = 0;
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User::LeaveIfError( iCRSession->Get( KESMRUILocationHistoryItemCount, currentCount ));
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iOrder.Reset();
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iOrder.ReserveL( currentCount );
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HBufC8* orderBuf = HBufC8::NewLC( NCentralRepositoryConstants::KMaxBinaryLength );
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TPtr8 orderPtr( orderBuf->Des() );
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User::LeaveIfError( iCRSession->Get( KESMRUILocationHistoryItemOrder, orderPtr ));
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RDesReadStream orderStream( orderPtr );
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orderStream.PushL();
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TUint pos( 0 );
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for( TInt i=0; i<currentCount; i++ )
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{
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User::LeaveIfError( pos = orderStream.ReadUint16L() );
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iOrder.Append( pos );
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}
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CleanupStack::PopAndDestroy(); // codescanner::cleanup
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CleanupStack::PopAndDestroy( orderBuf );
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}
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// -----------------------------------------------------------------------------
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// CESMRLocationHistoryManager::ReadHistoryDataL
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// -----------------------------------------------------------------------------
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//
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void CESMRLocationHistoryManager::ReadHistoryDataL()
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{
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FUNC_LOG;
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TInt currentCount = iOrder.Count();
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iHistoryList.ResetAndDestroy();
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iHistoryList.ReserveL( iMaxCount );
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TUint32 key = KESMRUILocationHistoryItemFirstInt;
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for( TInt i=0; i<currentCount; i++ )
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{
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HBufC8* buf = HBufC8::NewLC( NCentralRepositoryConstants::KMaxBinaryLength );
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TPtr8 ptr( buf->Des() );
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key += KESMRUILocationHistoryItemIndexMask;
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User::LeaveIfError( iCRSession->Get( key, ptr ));
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if( buf != 0 )
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{
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RDesReadStream stream( ptr );
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stream.PushL();
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TInt addressLength = stream.ReadUint16L();
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HBufC* address = HBufC::NewLC( addressLength );
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TPtr addressPtr = address->Des();
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if( addressLength != 0 )
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{
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stream.ReadL( addressPtr, addressLength );
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}
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TInt urlLength = stream.ReadUint16L();
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HBufC* url = HBufC::NewLC( urlLength );
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TPtr urlPtr = url->Des();
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if( urlLength != 0 )
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{
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stream.ReadL( urlPtr, urlLength );
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}
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MESMRLocationHistoryItem* item =
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iFactory->CreateLocationHistoryItemL( addressPtr, urlPtr );
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iHistoryList.Append( item );
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CleanupStack::PopAndDestroy( url );
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CleanupStack::PopAndDestroy( address );
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CleanupStack::PopAndDestroy(); // codescanner::cleanup
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}
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CleanupStack::PopAndDestroy( buf );
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}
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}
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// EOF
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