/*

 * 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: manages scrollable portion of view.

 *

 */

#ifndef MSGUNIEDITORSCROLLAREA_H_

#define MSGUNIEDITORSCROLLAREA_H_

#include <HbScrollArea>

#include "convergedmessageaddress.h"

class QGraphicsLinearLayout;

class MsgUnifiedEditorAddress;

class MsgUnifiedEditorSubject;

class MsgUnifiedEditorBody;

class MsgUnifiedEditorBaseWidget;

class ConvergedMessage;

class MsgAttachmentContainer;

class MsgUnifiedEditorMonitor;

class MsgUnifiedEditorScrollArea : public HbScrollArea

{

    Q_OBJECT

public:

    MsgUnifiedEditorScrollArea(MsgUnifiedEditorMonitor* msgMonitor,QGraphicsItem *parent = 0);

    ~MsgUnifiedEditorScrollArea();

    /**

     * Tells if contacts in "To" "Cc" , "Bcc" field are valid or not

     */

    bool contactsValid();

    /**

     * First address of "To" field.

     */

    ConvergedMessageAddress* currentAddress();

    /**

     * Packs the content inside editor into converged message

     * @param [OUT]msg, converged message to hold editor data

     * @param isSave, flag to indicate that msg needs to be packed

     * for saving to draft or not

     * @return returns error if something fails

     */

    int packMessage(ConvergedMessage &msg, bool isSave);

    /**

     * add attachments to the editor

     * @param files list of file paths

     */

    void addAttachments(const QStringList files);

    /**

     * Checks if vcf file name is already in use or not.

     */

    bool fileNameInUse(const QString& fileName);

    /**

     * Enables/Disables scrolling based on parameter passed.

     */

    void enableScrolling(bool enable);

    /**

     * Populate data into various fields from ConvergedMessage.

     * @param msg, ConvergedMessage object.

     * @param draftMessage, true if message is opened from drafts.

     */

    void populateContent(const ConvergedMessage& msg, bool draftMessage, bool checkForInline);

protected:

    /**

     * Reimplemented from base class.

     */

    virtual bool scrollByAmount(const QPointF &delta);

private:

    void init();

    void setFocus(MsgUnifiedEditorBaseWidget* item);

    void formatAddresses(ConvergedMessageAddressList& addresses);

signals:

    //emitted to enable or disable attach submenu options.

    void enableMenuAction(int action, bool enable);

public slots:

    /**

     * Posts event to launch key pad.

     */

    void postInputPanelEvent();

    /**

     * slot to add Cc,Bcc field.

     */

    void addCcBcc(bool needFocus = false);

    /**

     * slot to add subject field.

     */

    void addSubject(bool needFocus = false);

    /**

     * slot to change priority.

     */

    void changePriority();

    void setImage(const QString& path, bool draftMessage = false);

    void setAudio(const QString& filePath);

private slots:

    /**

     * slot to handle Cc, Bcc group-box's toggle action

     */

    void updateOtherRecipientCount(bool state);

    /**

     * slot to tell view to remove the attachment's container

     */

    void removeAttachmentContainer();

    /**

     * add an attachment to the editor

     * @return addition operation status

     */

    int addAttachment(const QString& filepath);

private:

    MsgUnifiedEditorMonitor* mMsgMonitor;

    QGraphicsLinearLayout* mMainLayout;

    MsgUnifiedEditorAddress* mToField;

    MsgUnifiedEditorAddress* mCcField;

    MsgUnifiedEditorAddress* mBccField;

    MsgUnifiedEditorSubject* mSubjectField;

    MsgUnifiedEditorBody* mBody;    

    MsgAttachmentContainer* mAttachmentContainer;

    bool mEnableScrolling;

#ifdef UNIEDITOR_UNIT_TEST

    friend class TestMsgUnifiedEditorScrollArea;

#endif

};

#endif /* MSGUNIEDITORSCROLLAREA_H_ */