author | andrews@symbian.org |
Thu, 25 Jun 2009 01:40:38 +0100 | |
changeset 4 | 79513c90e348 |
parent 0 | 14df0fbfcc4e |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2007 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 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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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: This Class is observer for the CLF framework |
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* |
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*/ |
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#include <mclfitemlistmodel.h> |
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#include "mgclfoperationobserver.h" |
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#include "mgservice.h" |
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#include "mgoperationobserver.h" |
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// ----------------------------------------------------------------------------- |
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// CClfOperationObserver::NewL |
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// Returns the instance of CClfOperationObserver. |
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// ----------------------------------------------------------------------------- |
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CClfOperationObserver* CClfOperationObserver::NewL() |
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{ |
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CClfOperationObserver* self = new ( ELeave )CClfOperationObserver(); |
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return self; |
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} |
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//----------------------------------------------------------------------------- |
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//CClfOperationObserver::HandleOperationEventL |
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//This Function called by the CLF Framework when the list of media items are ready |
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// ----------------------------------------------------------------------------- |
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void CClfOperationObserver::HandleOperationEventL( |
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TCLFOperationEvent aOperationEvent, |
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TInt aError ) |
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{ |
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TMgOperationEvent mgEvent; |
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aOperationEvent == ECLFRefreshComplete? |
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mgEvent = EMgRefreshComplete:mgEvent = EMgModelOutdated; |
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if ( NULL != iMGService ) |
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{ |
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// clear the state so that next request can be taken |
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iMGService->Clear(); |
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} |
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if( NULL != iServiceObserver ) //Asynchronous |
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{ |
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iServiceObserver->MgNotifyL( iTransactionID,iListModel, mgEvent, aError ); |
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//Ownership of the List model is transfered to the Iterator class |
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iListModel = NULL; |
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//In future at the time of supporting back to back call |
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//call delete this |
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iServiceObserver = NULL; |
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iMGService = NULL; |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CClfOperationObserver::SetMemberVar |
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// set the member varibale for the current request. |
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// ----------------------------------------------------------------------------- |
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void CClfOperationObserver::SetMemberVar( TUint aTransactionID, |
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MMgOperationObserver* aServiceObserver, |
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MCLFItemListModel* aListModel, |
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CMgService* aMGService ) |
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{ |
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iServiceObserver = aServiceObserver; |
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iListModel = aListModel; |
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iMGService = aMGService; |
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iTransactionID = aTransactionID; |
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} |
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// ----------------------------------------------------------------------------- |
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// CClfOperationObserver::Cancel |
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// Cancel the pending asynchronous request |
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// ----------------------------------------------------------------------------- |
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void CClfOperationObserver::CancelL() |
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{ |
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TMgOperationEvent mgEvent = EMgModelCancel; |
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if( iListModel ) |
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{ |
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iListModel->CancelRefresh(); |
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delete iListModel; |
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iListModel = NULL; |
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} |
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iServiceObserver->MgNotifyL(iTransactionID, NULL , mgEvent, KErrNone ); |
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iMGService = NULL; |
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iTransactionID = 0; |
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//In future at the time of supporting back to back call |
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//call delete this |
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iServiceObserver = NULL; |
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} |
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// ----------------------------------------------------------------------------- |
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// CClfOperationObserver::CClfOperationObserver |
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// Destructor |
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// ----------------------------------------------------------------------------- |
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123 |
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CClfOperationObserver::~CClfOperationObserver() |
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125 |
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{ |
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// If this observer is waiting for response |
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// then cancel the request |
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if( iListModel ) |
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{ |
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/*iListModel->CancelRefresh(); |
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delete iListModel; |
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iListModel = NULL;*/ |
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CancelL(); |
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} |
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|
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//In future at the time of supporting |
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// back to back Calls we have to delete the iServiceOberver |
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} |
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// ----------------------------------------------------------------------------- |
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// CClfOperationObserver::CClfOperationObserver |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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CClfOperationObserver::CClfOperationObserver(): |
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iServiceObserver( NULL ), |
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iListModel( NULL ), |
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iMGService ( NULL ), |
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iTransactionID(0) |
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{ |
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} |