author | Pat Downey <patd@symbian.org> |
Tue, 18 May 2010 11:36:57 +0100 | |
changeset 4 | 3f2d53f144fe |
parent 3 | ee64f059b8e1 |
permissions | -rw-r--r-- |
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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 database changes to SongHistoryView |
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* |
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*/ |
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#ifndef IR_SONGHISTORYUINOTIFYHANDLER |
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#define IR_SONGHISTORYUINOTIFYHANDLER |
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#include <e32cmn.h> |
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/** |
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* Observer interface for CIRSongHistoryView. |
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* Notifies the view when new data is received. |
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*/ |
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class MSongHistoryUINotifyHandler |
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{ |
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public: |
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/** |
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* Invoked from CIRSongHistoryDbEng when new entry is added to the database. |
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* @param aSongName |
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* @param aArtistName |
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* @param aChannelName |
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* Parameters yet to be decided. |
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*/ |
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virtual void NextSongReceivedL( const TDesC& aSongName, const TDesC& aArtistName, |
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const TDesC& aChannelName, const TDesC& aChannelUrl ) = 0; |
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virtual void ChannelChangedL( const TDesC& aSongName, const TDesC& aArtistName, |
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const TDesC& aChannelName, const TDesC& aChannelUrl ) = 0; |
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/** |
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* Invoked from CIRSongHistoryDbEng when new entry is added to the database which *would exceed 30 entries. |
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* @param aSongName |
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* @param aArtistName |
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* @param aChannelName |
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*/ |
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virtual TInt RemoveSongEntry( const TDesC& aSongName, const TDesC& aArtistName, |
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const TDesC& aChannelName, const TDesC& aChannelUrl ) = 0; |
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virtual TInt RemoveChannelEntry( const TDesC& aSongName, const TDesC& aArtistName, |
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const TDesC& aChannelName, const TDesC& aChannelUrl ) = 0; |
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/** |
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* Invoked when an error occurred while notifying to UI. |
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* @param aError The error code. |
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*/ |
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virtual void NotifyDataChangeToUIError( TInt aError ) = 0; |
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}; |
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#endif //IR_SONGHISTORYUINOTIFYHANDLER |