diff -r 608f67c22514 -r 896e9dbc5f19 internetradio2.0/songhistoryinc/irsonghistoryengpubsub.h --- a/internetradio2.0/songhistoryinc/irsonghistoryengpubsub.h Tue Jul 06 14:07:20 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,112 +0,0 @@ -/* -* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of "Eclipse Public License v1.0" -* which accompanies this distribution, and is available -* at the URL "http://www.eclipse.org/legal/epl-v10.html". -* -* Initial Contributors: -* Nokia Corporation - initial contribution. -* -* Contributors: -* -* Description: Active class notifying metada and channel name changes to SongHistoryDb engine -* -*/ - -#ifndef CIRSONGHISTORYENGPUBSUB_H -#define CIRSONGHISTORYENGPUBSUB_H - -#define KMAXLENGTH 250 -#include -#include - -class MIRSongHistoryEngPubSubNotifyHandler; - - - -/** -* Listens to one specified Publish & Subscribe key, notifying the observer whenever that key is changed. -*/ -NONSHARABLE_CLASS(CIRSongHistoryEngPubSub) : public CActive - { - public: - - /** - * Static constructor. - * @param aObserver The observer to be notified of the changes in the listened key. - * @param aCategory The category of the key. - * @param aKey The key to listen to. - */ - static CIRSongHistoryEngPubSub* NewL( MIRSongHistoryEngPubSubNotifyHandler& - aPubSubObserver, const TUid& aCategory, TUint aKey , - const RProperty::TType aPropertyType ); - /** - * Static constructor. - * @param aObserver The observer to be notified of the changes in the listened key. - * @param aCategory The category of the key. - * @param aKey The key to listen to. - */ - static CIRSongHistoryEngPubSub* NewLC( MIRSongHistoryEngPubSubNotifyHandler& - aPubSubObserver, const TUid& aCategory, TUint aKey , - const RProperty::TType aPropertyType ); - /** - * Destructor. - */ - ~CIRSongHistoryEngPubSub(); - - - protected: // From CActive - - /** - *void RunL() - *The function is called by the active scheduler - *when a request completion event occurs, - */ - void RunL(); - - /** - *void DoCancel() - *Invoked when the active object is cancelled. - */ - void DoCancel(); - - private: - - /** - * Constructor. - * @param aObserver The observer to be notified of the changes in the listened key. - * @param aCategory The category of the key. - * @param aKey The key to listen to. - */ - CIRSongHistoryEngPubSub( MIRSongHistoryEngPubSubNotifyHandler& aPubSubObserver, - const TUid& aCategory, TUint aKey, const RProperty::TType aPropertyType ); - - /** - * Second-phase constructor. - */ - void ConstructL(); - - protected: - - /** Handle to the property. */ - RProperty iProperty; - RProperty::TType iPropertyType; - - /** The observer to be notified of the changes in the listened key. */ - MIRSongHistoryEngPubSubNotifyHandler& iPubSubObserver; - - /** The category of the key to listen to. */ - TUid iCategory; - - /** The key to listen to. */ - TUint iKey; - - /** The cached value of the key. */ - mutable TBuf8 iText; - - - }; - -#endif//IR_SONGHISTORYENGPUBSUB