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/*
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* Copyright (c) 2008-2009 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: bindings required to populate the visual item
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*
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*/
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#ifndef _GLXBINDINGSET_H_
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#define _GLXBINDINGSET_H_
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#include <e32base.h> // Container Base Class
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#include "glxbinding.h" // holds the bindings required to populate the visual item
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#include "mglxbindingobserver.h" // Notifies that binding has changed
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class TGlxMedia; // media item in the item pool
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namespace Alf
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{
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class MulVisualItem; // Client need to use this class to add data in data model
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}
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class CGlxAttributeRequirements; // class will set the required attribute to the medialist
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/**
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* CGlxBindingSet
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* The binding set is created by the binding set factory.
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* This basically holds the bindings required to populate the visual item.
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*/
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NONSHARABLE_CLASS( CGlxBindingSet ) : public CGlxBinding, public MGlxBindingObserver
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{
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public:
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/**
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* Two phase construction
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* @param aObserver Observes binding
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*/
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static CGlxBindingSet* NewLC( MGlxBindingObserver& aObserver );
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/**
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*Destructor
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*/
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~CGlxBindingSet();
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/**
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* Adds the bindings to the binding set
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* @param aBinding The binding to be added to the binding set : owned
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*/
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void AddBindingL( CGlxBinding* aBinding );
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// From CGlxBinding
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void PopulateT( Alf::MulVisualItem& aItem, const TGlxMedia& aMedia,
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TBool aIsFocused, TInt aTextureId = KErrNotFound ) const;
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TBool HasRelevantAttributes( const RArray< TMPXAttribute >& aAttributes ) const;
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TResponse HandleFocusChanged( TBool aIsGained );
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void HandleItemChangedL(const CMPXCollectionPath& aPath );
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/**
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* Adds the fetch context to medialist
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* @param aAttributeRequirement The object that sets the attribute to medialist
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*/
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void AddRequirementsL( CGlxAttributeRequirements& aAttributeRequirement,TSize aSize);
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private:
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/**
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* Constructor
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* @param aObserver Observes binding
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*/
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CGlxBindingSet( MGlxBindingObserver& aObserver );
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// From MGlxBindingObserver
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void HandleBindingChanged( const CGlxBinding& aBinding );
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private:
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// Binding Observer
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MGlxBindingObserver& iObserver;
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// Array of Binding-Bindingset
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RPointerArray< CGlxBinding > iBindings;
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};
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#endif // _GLXBINDINGSET_H_
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