/*

* 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: implementation of recipient field (to, cc, bcc) line editor

*

*/

#ifndef NMRECIPIENTLINEEDIT_H_

#define NMRECIPIENTLINEEDIT_H_

#include <nmhtmllineedit.h>

class QGraphicsItem;

class QModelIndex;

class HbPopup;

class HbListView;

class NmContactHistoryModel;

class NmAutoFillListViewItem;

class NmPopupBackground;

class NmAddress;

class NMAILUIWIDGETS_EXPORT NmRecipientLineEdit : public NmHtmlLineEdit

{

    Q_OBJECT

public:

    NmRecipientLineEdit(QGraphicsItem *parent = NULL);

    virtual ~NmRecipientLineEdit();

    QList<NmAddress> emailAddressList();

    void addContacts(QList<NmAddress *> contacts);

public slots:

    void addSelectedContacts(const QVariant &selectedContacts);

    void addSelectedContactFromHistory(const QModelIndex &modelIndex);

protected:	// from HbLineEdit

    void keyPressEvent(QKeyEvent *event);

    void inputMethodEvent(QInputMethodEvent *event);

private:

    void generateEmailAddressList();

    void createAutofillComponents();

    void createAutoFillPopup();

    void showAutofillPopup();

    void hideAutofillPopup();

    void currentTextPart(int& startIndex, int& length);

    void getChosenAddressFromModel(const QModelIndex &modelIndex, NmAddress &address);

    void setHighlight(int currentPos);

    void handleTap();

    void insertContactText(const QString &text);

    void keyPressEventSemicolon(QKeyEvent *event);

    void keyPressEventDelete(QKeyEvent *event);

    void keyPressEventLeft(QKeyEvent *event);

    void keyPressEventRight(QKeyEvent *event);

private slots:

    void handleTextChanged(const QString &text);

    void modelCompleted(int err);

private:

    // mEmailAddressList contains all emailaddress that appear in the lineedit and 

    // all emailaddress corresponding to the contact's name added from Contacts,

    // including invalid emailaddress user typed or invalid emailaddress added from Contacts.

    // Emailaddress validation check is conducted in nmeditorview.

    QList<NmAddress> mEmailAddressList; 	

    QList<NmAddress> mRecipientsAddedFromContacts;

    // Flag "need to generate mEmailAddressList" is used whenever editing made after 

    // the emailaddress validation check failed.

    bool mNeedToGenerateEmailAddressList;

    NmContactHistoryModel *mContactHistoryModel; // owned

    HbPopup *mAutoFillPopup; // owned

    HbListView *mAutofillListView; // owned

    NmAutoFillListViewItem *mAutofillListViewItem; //owned

    NmPopupBackground *mPopupBackground; // pwned

};

class NmPopupBackground : public QGraphicsItem

{

public:

    explicit NmPopupBackground(HbPopup *popup, QGraphicsItem *parent = 0);

    bool isModal() { return true; }

    QRectF boundingRect() const { return QRect(-100, -100, 1000, 1000); }

    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

protected:

    bool sceneEvent(QEvent *event);

private:

    mutable QRectF mRect;

    HbPopup *mPopup; //not owned

};

#endif   // NMRECIPIENTLINEEDIT_H_