/*

* Copyright (c) 2009 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:

*

*/

#ifndef CNTCOLLECTIONLISTMODEL_H

#define CNTCOLLECTIONLISTMODEL_H

#include <QAbstractListModel>

#include <QSharedData>

#include <qmobilityglobal.h>

#include <cntviewparams.h>

#include <hbicon.h>

#include <xqsettingsmanager.h>

class CntCollectionListModelWorker;

class CntCollectionListModelData;

class CntCollectionItem;

class CntExtensionManager;

class CntExtensionGroupCallback;

class CntAbstractEngine;

QTM_USE_NAMESPACE

class CntCollectionListModel : public QAbstractListModel

{

    Q_OBJECT

public:

    CntCollectionListModel(CntAbstractEngine* aEngine, QObject *parent = 0);

    ~CntCollectionListModel();

public:

    // from QAbstractItemModel

    QVariant data(const QModelIndex& index, int role) const;

    int rowCount(const QModelIndex& parent = QModelIndex()) const;

    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());

    bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex());

public:

    // removing and adding groups

    bool removeGroup(int localId);

    void addGroup(int localId);

    // extension (plugin) group handling

    bool isExtensionGroup(const QModelIndex &index);

    CntViewParameters extensionGroupActivated(int row);

    void extensionGroupLongPressed(int row, const QPointF& coords, CntExtensionGroupCallback* interface);

    QModelIndex indexOfGroup(int localId);

private:

    void doConstruct();

    void initializeStaticGroups();

    void initializeExtensions();

    void initializeUserGroups();

    QVariant displayRoleData(const CntCollectionItem& item) const;

    QVariant decorationRoleData(const CntCollectionItem& item) const;

    bool validateRowIndex(const int index) const;

private slots:

    void informationUpdated(int id, const QString& secondRowText, const QList<QContactLocalId>& members);

    void onIconReady(const QPixmap& pixmap, void *data, int id, int error);

    void extensionGroupsReady();

    void handleAdded(const QList<QContactLocalId>& contactIds);

    void handleRemoved(const QList<QContactLocalId>& contactIds);

    void handleChanged(const QList<QContactLocalId>& contactIds);

    void handleAddedRelationship(const QList<QContactLocalId>& contactIds);

    void handleRemovedRelationship(const QList<QContactLocalId>& contactIds);

signals:

    void groupCountChanged();

private:

    QSharedDataPointer<CntCollectionListModelData>  d;

    CntCollectionListModelWorker                   *mThread;

    XQSettingsManager                               mSettings;

    friend class TestCntCollectionListModel;

};

#endif // CNTCOLLECTIONLISTMODEL_H