/*

* Copyright (c) 2004-2007 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:  Find contact view

*

*/

#ifndef CVPBKFINDVIEW_H

#define CVPBKFINDVIEW_H

#include <e32base.h>

#include <MVPbkContactViewBase.h>

#include <MVPbkContactViewObserver.h>

#include <MVPbkContactViewFiltering.h>

#include <badesca.h>

namespace VPbkEngUtils { class CVPbkAsyncOperation; }

class CVPbkContactFindPolicy;

/**

 * Virtual Phonebook Find view

 *

 * This class can be used for find from an existing view. A client

 * gives the view for find.

 */

NONSHARABLE_CLASS( CVPbkFindView ): public CBase,

                                    public MVPbkContactViewBase,

                                    public MVPbkContactViewObserver,

                                    public MVPbkContactViewFiltering

	{

    public:

        /**

         * Two-phase constructor.

         *

         * @param aBaseView The view to filter.

         * @param aObserver an observer that is notified when this

         *                  view is ready for use.

         * @param aFindWords an array words that must match to the contact.

         * @param aAlwaysIncludedContacts contacts that must be in the view

         *                                even they don't match to aFindWords.

         *                                This an optional parameter. Give

         *                                NULL if not needed.

         * @param aMasterFieldTypeList Field type list

         * @return a new instance of this class         

         */

        static CVPbkFindView* NewLC(

                MVPbkContactViewBase& aBaseView,

                MVPbkContactViewObserver& aObserver,

                const MDesCArray& aFindWords,

                const MVPbkContactBookmarkCollection* aAlwaysIncludedContacts,

                const MVPbkFieldTypeList& aMasterFieldTypeList );

        ~CVPbkFindView();

    protected: // From MVPbkContactViewBase

        TVPbkContactViewType Type() const;

        void ChangeSortOrderL(const MVPbkFieldTypeList& aSortOrder);

        const MVPbkFieldTypeList& SortOrder() const;

        void RefreshL();

        TInt ContactCountL() const;

        const MVPbkViewContact& ContactAtL(TInt aIndex) const;

        MVPbkContactLink* CreateLinkLC(TInt aIndex) const;

        TInt IndexOfLinkL(const MVPbkContactLink& aContactLink) const;

        void AddObserverL(MVPbkContactViewObserver& aObserver);

        void RemoveObserver(MVPbkContactViewObserver& aObserver);

        TBool MatchContactStore(const TDesC& aContactStoreUri) const;

        TBool MatchContactStoreDomain(const TDesC& aContactStoreDomain) const;

        MVPbkContactBookmark* CreateBookmarkLC(TInt aIndex) const;

        TInt IndexOfBookmarkL(

            const MVPbkContactBookmark& aContactBookmark) const;

        MVPbkContactViewFiltering* ViewFiltering();

    private: // From MVPbkContactViewFiltering    

        MVPbkContactViewBase* CreateFilteredViewLC( 

                MVPbkContactViewObserver& aObserver,

                const MDesCArray& aFindWords,

                const MVPbkContactBookmarkCollection* aAlwaysIncludedContacts );

        void UpdateFilterL( 

                const MDesCArray& aFindWords,

                const MVPbkContactBookmarkCollection* aAlwaysIncludedContacts );

    private: // From MVPbkContactViewObserver

        void ContactViewReady(MVPbkContactViewBase& aView);

        void ContactViewUnavailable(MVPbkContactViewBase& aView);

        void ContactAddedToView(

                MVPbkContactViewBase& aView, 

                TInt aIndex, 

                const MVPbkContactLink& aContactLink );

        void ContactRemovedFromView(

                MVPbkContactViewBase& aView, 

                TInt aIndex, 

                const MVPbkContactLink& aContactLink );

        void ContactViewError(

                MVPbkContactViewBase& aView, 

                TInt aError, 

                TBool aErrorNotified );

    private: // Implementation

        CVPbkFindView(

                MVPbkContactViewBase& aBaseView,                

                const MVPbkFieldTypeList* aMasterFieldTypeList );

        void ConstructL(

                const MDesCArray& aFindWords,

                const MVPbkContactBookmarkCollection* aAlwaysIncludedContacts );

        void BuildViewMappingL();

        void HandleBuildViewMapping();

        void DoAddObserverL(MVPbkContactViewObserver& aObserver);

        void AddObserverError(MVPbkContactViewObserver& aObserver, TInt aError);

        void SetFindStringsL( const MDesCArray& aFindWords );

        void SetAlwaysIncludedContactsL( 

                const MVPbkContactBookmarkCollection* aAlwaysIncludedContacts );

        void SendViewEventToObservers( 

            void( MVPbkContactViewObserver::* aObserverFunc)

            ( MVPbkContactViewBase& ) );

        void SendViewErrorEventToObservers( TInt aError, TBool 

            aErrorNotified );

    private: // Data

        ///Own: indicated whether view is ready

        TBool iIsReady;

        ///Ref: contact base view

        MVPbkContactViewBase& iBaseView;

        ///Ref: Master field type list

        const MVPbkFieldTypeList* iMasterFieldTypeList;

        ///Own: Asynchronous operation

        VPbkEngUtils::CVPbkAsyncOperation* iAsyncOperation;

        ///Own: mapping between base view and filtered view

        RArray<TInt> iContactMapping;

        ///Ref: array to view observers

        RPointerArray<MVPbkContactViewObserver> iObservers;

        /// Own: find words for filtering

        CDesCArrayFlat* iFindStrings;

        /// Own: a policy for match

        CVPbkContactFindPolicy* iContactFindPolicy;

        /// Own: always included contacts

        const MVPbkContactBookmarkCollection* iAlwaysIncludedContacts;

    };

#endif // CVPBKFINDVIEW_H

//End of file