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/*
* Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
* Contact: http://www.qt-project.org/legal
* 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:
*
*/
/**
@file
@internalComponent
@released
*/
#ifndef __CVIEWCONTACTMANAGER_H__
#define __CVIEWCONTACTMANAGER_H__
#include "persistencelayer.h"
#include <cntviewbase.h>
class MContactViewSortObserver
{
public:
enum TIccViewNotify
{
TIccViewNotify_IccOnlyLocked,
TIccViewNotify_IccUnlocked
};
public:
virtual TBool IdleSorterNotifyL(TInt aSortErr) =0;
virtual void IccViewNotifyL(TInt aIccViewReady) =0;
};
/**
The CViewContactManager is an internal class responsible to sort contact view items,
according to sort plug-in, and provide CViewContact items for CContactLocalView.
And it's the only view class interact with persistence layer(CPplContactViewItemManager)
to retrieve contact view item from database.
@internalComponent
*/
NONSHARABLE_CLASS(CViewContactManager) : public CBase, public MContactViewSortObserver
{
public:
static CViewContactManager* NewL(CContactLocalView& aLocalView, MLplPersistenceLayerFactory& aFactory, const CContactTextDef& aTextDef, TContactViewPreferences aViewPerference, CViewContactSortPlugin* aSortPlugin);
~CViewContactManager();
TContactItemId AtL(TInt aIndex) const;
TInt Count() const;
TInt FindL(TContactItemId aContactId) const;
void SortL();
void SortL(const CContactTextDef& aTextDef);
void StopSortL();
TInt InsertL(const TContactItemId aContactId, TContactViewPreferences& aViewPreference);
TInt RemoveL(const TContactItemId aContactId);
HBufC* AllFieldsLC(TInt aIndex, const TDesC& aSeparator) const;
const CViewContact& ContactAtL(TInt aIndex) const;
TBool IsICCSynchronised() const;
//Implementation for MContactSortObserver
TBool IdleSorterNotifyL(TInt aSortErr);
void IccViewNotifyL(TInt aIccViewReady);
private:
/* To represent the state when retrieving data from database */
enum TReadState
{
EReadFullChunk, // The read items reached the number of limitation per invocation
EReadFullForMerge, // The read items reached the number of limitation per merge
EReadCompleted // Read is completed, no more view contact item in database.
};
private:
CViewContactManager(CContactLocalView& aLocalView, MLplViewIteratorManager& aLplViewMgr, TContactViewPreferences aViewPerference, CViewContactSortPlugin* aSortPlugin);
void ConstructL(MLplPersistenceLayerFactory& aFactory, const CContactTextDef& aTextDef);
TInt InsertViewContactL(const CViewContact* aNewContact, TBool aSortByIdOnly, TInt aStart);
void HeapSortL(RPointerArray<CViewContact>& aViewContacts);
RPointerArray<CViewContact>* MergeL(RPointerArray<CViewContact>& aLeftContacts, RPointerArray<CViewContact>& aRightContacts);
TReadState ReadInViewContactsL(RPointerArray<CViewContact>& aViewContacts);
CViewContact& ViewContactAtL(TInt aIndex) const;
void ResetSort();
static TBool ContactCorrectType(TUid aType, TContactViewPreferences aTypeToInclude);
static void ResetAndDestroyRPointerArrayPointer(TAny *aArray);
//These functions are copied from CContactViewBase classes
TBool IsContactSortable(const CViewContact& aContact, TContactViewPreferences& aViewPreferences) const;
TInt CompareContactsAndIdsL(const CViewContact& aFirst, const CViewContact& aSecond) const;
TInt TextCompareFieldsL(const CViewContact& aFirst, const CViewContact& aSecond) const;
HBufC* FieldsWithSeparatorLC(const CViewContact& aViewContact, const TDesC& aSeparator) const;
static TInt CompareFieldsWithCollationLevel(const CViewContact& aFirst, const CViewContact& aSecond, TInt aCollationLevel, const TCollationMethod* aCollateMethod);
private:
CContactLocalView& iLocalView;
CIdleContactSorter* iIdleSorter;
TInt iViewSessionId;
RPointerArray<CViewContact>* iViewContacts;
RPointerArray<CViewContact>* iUnsortedViewContacts;
RPointerArray<CViewContact>* iViewContactsBuffer;
CViewContactSortPlugin* iSortPluginImpl; //this is not owned by the class
TContactViewPreferences iViewPreferences;
TCollationMethod iCollationMethod;
MLplViewIteratorManager& iLplViewItemMgr;
};
#endif // __CVIEWCONTACTMANAGER_H__
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