PECengine/PresenceManager2/SrcCommon/RGenericObserverArray.inl
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:41:52 +0200
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/*
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* Copyright (c) 2004 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:  Inline methods for thin templated RGenericObserverArray
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*
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*/
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// ================= HELPER CLASS =======================
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/**
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 * Helper inline class to forward requests
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 * from base mediator (typeless) to type specific
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 * mediator.
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 *
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 * @since 3.0
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 */
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template< class T >
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class TGenObserverNotifyMediatorBase : public MGenObserverNotifyMediatorBase
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    {
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    public:
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        inline TGenObserverNotifyMediatorBase( MGenObserverNotifyMediator< T >& aSpecificMediator )
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            : iSpecificMediator( aSpecificMediator ){}
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    private:
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        inline void MediateNotifyL( TAny* aObserverToNotify )
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            { iSpecificMediator.MediateNotifyL( *( static_cast<T*>( aObserverToNotify ) ) ); }
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        inline void MediateNotifyError( TAny* aObserverToNotify, TInt aLeaveError )
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            { iSpecificMediator.MediateNotifyError( *( static_cast<T*>( aObserverToNotify ) ), aLeaveError ); }
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    private:
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        ///< Observer type specific notify mediator, not owned
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        MGenObserverNotifyMediator< T >& iSpecificMediator;
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        };
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// ================= MEMBER FUNCTIONS =======================
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// C++ default constructor can NOT contain any code, that
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// might leave.
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//
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template < class T >
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inline RGenericObserverArray<T >::RGenericObserverArray()
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    {
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    }
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// -----------------------------------------------------------------------------
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// RGenericObserverArray::Close()
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// -----------------------------------------------------------------------------
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//
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template < class T >
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inline void RGenericObserverArray< T >::Close()
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    {
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    RGenericObserverArrayBase::Close();
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    }
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// -----------------------------------------------------------------------------
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// RGenericObserverArray::AddObserver()
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// -----------------------------------------------------------------------------
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//
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template < class T >
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inline TInt RGenericObserverArray< T >::AddObserver( const T* aObserver )
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    {
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    return RGenericObserverArrayBase::AddObserver( static_cast<const TAny*>( aObserver ) );
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    }
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// -----------------------------------------------------------------------------
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// RGenericObserverArray::AddObserverL()
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// -----------------------------------------------------------------------------
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//
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template < class T >
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inline void RGenericObserverArray< T >::AddObserverL( const T* aObserver )
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    {
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    User::LeaveIfError( AddObserver( aObserver ) );
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    }
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// -----------------------------------------------------------------------------
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// RGenericObserverArray::RemoveObserver()
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// -----------------------------------------------------------------------------
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//
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template < class T >
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inline TInt RGenericObserverArray< T >::RemoveObserver( T* aObserver )
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    {
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    return RGenericObserverArrayBase::RemoveObserver( static_cast<TAny*>( aObserver ) );
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    }
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// -----------------------------------------------------------------------------
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// RGenericObserverArray::Count()
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// -----------------------------------------------------------------------------
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//
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template < class T >
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inline TInt RGenericObserverArray< T >::Count()
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    {
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    return RGenericObserverArrayBase::Count();
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    }
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// -----------------------------------------------------------------------------
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// RGenericObserverArray::NotifyObservers()
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// -----------------------------------------------------------------------------
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//
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template < class T >
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inline void RGenericObserverArray< T >::NotifyObservers( MGenObserverNotifyMediator< T >& aNotifyMediator )
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    {
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    TGenObserverNotifyMediatorBase< T > baseMediator( aNotifyMediator );
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    RGenericObserverArrayBase::NotifyObservers( baseMediator );
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    }
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// -----------------------------------------------------------------------------
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// RGenericObserverArray::NotifyErrorObservers()
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// -----------------------------------------------------------------------------
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//
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template < class T >
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inline void RGenericObserverArray< T >::NotifyErrorObservers( MGenObserverNotifyMediator< T >& aNotifyMediator,
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                                                              TInt aError )
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    {
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    TGenObserverNotifyMediatorBase< T > baseMediator( aNotifyMediator );
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    RGenericObserverArrayBase::NotifyErrorObservers( baseMediator, aError );
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    }
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// -----------------------------------------------------------------------------
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// RGenericObserverArray::NotifyLoopRunning()
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// -----------------------------------------------------------------------------
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//
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template < class T >
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inline TBool RGenericObserverArray< T >::NotifyLoopRunning() const
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    {
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    return RGenericObserverArrayBase::IsNotifyLoopRunning();
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    }
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//  End of File
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