author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 19 Apr 2010 14:01:53 +0300 | |
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/* |
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* Copyright (c) 2006-2007 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 "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: Interface class to notify channelName/metadata changes CIRSongHistoryDbEngine |
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* |
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*/ |
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#ifndef CIRSONGHISTORYENGPUBSUBNOTIFYHANDLER_H |
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#define CIRSONGHISTORYENGPUBSUBNOTIFYHANDLER_H |
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#include <e32cmn.h> |
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/** |
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* Observer interface for CIRSongHistoryEngPubSub. |
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* The observer is notified whenever the listened key is changed. If there was an error in getting the new value of the key, |
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* the observer will be notified of it as well. |
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*/ |
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NONSHARABLE_CLASS(MIRSongHistoryEngPubSubNotifyHandler) |
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{ |
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public: |
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/** |
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* Invoked when the listened key is changed. |
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* @param aCategory The category of the key that changed. |
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* @param aKey The key that changed. |
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* @param aValue The new value of the key. |
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*/ |
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/*virtual void HandleChannelNameChangeL( const TUid& aCategory, TUint aKey, |
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const TDesC8& aText ) = 0; */ |
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/** |
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* Invoked when the listened key is changed. |
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* @param aCategory The category of the key that changed. |
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* @param aKey The key that changed. |
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* @param aText The new value of the key. |
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*/ |
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/*virtual void HandleMetaDataChangeL( const TUid& aCategory, TUint aKey, |
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const TDesC8& aText ) = 0; */ |
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/** |
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* Invoked when the listened (property MetaData / ChannelName) key is changed. |
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* @param aCategory The category of the key that changed. |
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* @param aKey The key that changed. |
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* @param aText The new value of the key. |
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*/ |
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virtual void HandlePropertyChangeL( const TUid& aCategory, TUint aKey, |
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const TDesC8& aText ) = 0; |
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/** |
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* Invoked when an error occurred while retrieving the new value of the key. |
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* @param aCategory The category of the key that changed. |
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* @param aKey The key that changed. |
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* @param aError The error code. |
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*/ |
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virtual void HandlePropertyChangeErrorL( const TUid& aCategory,TUint aKey, |
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TInt aError ) = 0; |
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}; |
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#endif//IR_SONGHISTORYDBENGPUBSUBNOTIFYHANDLER |