/*

 * 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 INFOWIDGETLAYOUTMANAGER_H

#define INFOWIDGETLAYOUTMANAGER_H

#include <QObject>

#include <QList>

#include <QSizeF>

#include <QRectF>

#include <QMap>

#include <hbdocumentloader.h>

class QGraphicsLayout; 

class QGraphicsWidget;

class HbLabel;

class HbIconItem;

class HbPushButton;

class HbMarqueeItem;

class HbCheckBox; 

/*!

 */

class InfoWidgetDocumentLoader : public HbDocumentLoader

{

public:

    InfoWidgetDocumentLoader();

    virtual QObject *createObject(const QString& type,

                                  const QString &name);

};

class InfoWidgetLayoutManager : public QObject

{

    Q_OBJECT

public: 

    enum LayoutItemRole {

        RoleUndefined = 0,

        // Content widget, the main widget from document 

        RoleContent,

        // Marquee items 

        RoleMcnMarqueeItem,

        RoleSatMarqueeItem,

        // Labels 

        RoleSpnLabel,

        RoleMcnLabel, 

        RoleSatTextLabel,

        // Icons

        RoleSpnIcon, 

        RoleMcnIcon, 

        RoleSatTextIcon, 

        // Check boxes 

        RoleSpnCheckBox,

        RoleMcnCheckBox, 

        RoleSatTextCheckBox,

        // Buttons 

        RoleOkButton,

        // Layout containers

        RoleContainer, 

        RoleSettingsContainer, 

        // Must be the last enumeration        

        RoleLastEnum

        }; 

    enum DisplayRole {

        InfoDisplay,

        SettingsDisplay

        }; 

    InfoWidgetLayoutManager(QObject *parent = 0);

    ~InfoWidgetLayoutManager();

    void destroyObjects(); 

    DisplayRole currentDisplayRole(); 

    QList<LayoutItemRole> currentWidgetRoles(); 

    int layoutRows() const; 

    void setLayoutRows(int rows);

    qreal rowHeight() const; 

    QGraphicsLayout* layoutInfoDisplay();

    QGraphicsLayout* layoutSettingsDisplay(); 

    const QList<InfoWidgetLayoutManager::LayoutItemRole> widgetRoles(

            DisplayRole displayRole) const; 

    bool loadWidgets(const DisplayRole displayRole, 

            const QList<LayoutItemRole> &displayWidgets,

            QMap<LayoutItemRole, QGraphicsWidget *> &widgetMap);

    bool reloadWidgets(const DisplayRole displayRole);

    QGraphicsWidget* loadWidget(InfoWidgetDocumentLoader &loader, 

            DisplayRole displayRole, 

            LayoutItemRole widgetRole);

    QGraphicsWidget* getWidget(LayoutItemRole itemRole);

    QGraphicsWidget* contentWidget();

    void removeWidget(LayoutItemRole itemRole);

    void hideWidget(LayoutItemRole itemRole);

    void hideAll();

    void showAll();

private:

    QMap<LayoutItemRole, QGraphicsWidget *> m_widgets; 

    QMap<LayoutItemRole, QGraphicsWidget *> m_infoDisplayWidgets; 

    QMap<LayoutItemRole, QGraphicsWidget *> m_settingsDisplayWidgets; 

    InfoWidgetDocumentLoader *m_documentLoader;

    DisplayRole m_displayRole; 

    int m_layoutRows;

};

#endif // INFOWIDGETLAYOUTMANAGER_H