/*

 * 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 MSG_UNIFIED_EDITOR_SUBJECT_H

#define MSG_UNIFIED_EDITOR_SUBJECT_H

#include <msgunieditorbasewidget.h>

#include "convergedmessage.h"

class HbIconItem;

class UniEditorGenUtils;

class MsgUnifiedEditorLineEdit;

class MsgUnifiedEditorSubject : public MsgUnifiedEditorBaseWidget

    {

    Q_OBJECT

public:

    /**

     * Constructor

     */

    MsgUnifiedEditorSubject(QGraphicsItem *parent = 0);

    /**

     * Destructor

     */

    ~MsgUnifiedEditorSubject();

    /**

     * to set priority.

     * @param priority MsgPriority {High,Normal,Low}

     */

    void setPriority(ConvergedMessage::Priority priority);

    /**

     * returns content of subject field.

     */

    QString text();

    /**

     * return the priority of this message

     */

    ConvergedMessage::Priority priority();

    /**

     * get size of content in bytes

     */

    int subjectSize();

    /**

     * set the text on the subject field

     * @param text

     */

    void setText(const QString& text);

    /**

     * To set focus on editable field.

     */

    void setFocus();

signals:

    /**

     * Emitted when subject/priority content is added or removed

     */

    void contentChanged();

private slots:

    /**

     * called when contentsChanged signal is emitted by the line edit

     */

    void onContentsChanged(const QString&);

private:

    /**

     * Check if email over sms is supported. If yes, subject is a valid sms field

     * @return true, if email over sms is supported.

     */

    bool subjectOkInSms();

private:

    /**

     * line edit to input subject.

     */

    MsgUnifiedEditorLineEdit* mSubjectEdit;

    /**

     * icon item to display priority.

     */

    HbIconItem* mPriorityIcon;

    /**

     * priority of the message

     */

    ConvergedMessage::Priority mPriority;

    /**

     * general utilities

     */

    UniEditorGenUtils* mGenUtils;

    /**

     * Holds the previous buffer inside subject field

     */

    QString mPrevBuffer;

    };

#endif //MSG_UNIFIED_EDITOR_SUBJECT_H