/*

 * 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 INFOWIDGET_H

#define INFOWIDGET_H

#include <hbwidget.h>

#include <QList>

#include <QFlags>

#include "infowidgetlayoutmanager.h"

#include "infowidgetengine.h"

#include "infowidgetpreferences.h"

// Forward declarations 

class QGraphicsSceneMouseEvent;

class QGraphicsLinearLayout;

class QTranslator; 

class HbDialog;

class HbIconItem; 

class HbMarqueeItem;

class HbLabel; 

class HbCheckBox; 

class HbPushButton;

class HbFrameItem;

class HbAction; 

class InfoWidgetEngine; 

class InfoWidgetPreferences;

// Class declaration

class InfoWidget : public HbWidget

{

    Q_OBJECT

public: 

    // State for animation

    enum AnimationState {

        AnimationIdle, 

        AnimationStarting,

        AnimationOngoing

    } m_animationState; 

public:    

    InfoWidget(QGraphicsItem *parent = 0, Qt::WindowFlags flags = 0);

    ~InfoWidget();

public: // From QGraphicsItem.

    QRectF boundingRect() const;

    QSizeF sizeHint(Qt::SizeHint which, const QSizeF & constraint) const;  

    QSizePolicy sizePolicy () const;  

public: // Property definitions

    Q_PROPERTY(QString homeZoneDisplay READ homeZoneDisplay WRITE setHomeZoneDisplay)

    Q_PROPERTY(QString mcnDisplay READ mcnDisplay WRITE setMcnDisplay)

    Q_PROPERTY(QString activeLineDisplay READ activeLineDisplay WRITE setActiveLineDisplay)

    Q_PROPERTY(QString satDisplay READ satDisplay WRITE setSatDisplay)

    Q_PROPERTY(QString spnDisplay READ spnDisplay WRITE setSpnDisplay)

    QString homeZoneDisplay();

    void setHomeZoneDisplay(QString value);

    QString mcnDisplay();

    void setMcnDisplay(QString value);

    QString activeLineDisplay();

    void setActiveLineDisplay(QString value);

    QString satDisplay();

    void setSatDisplay(QString value);

    QString spnDisplay();

    void setSpnDisplay(QString value);

protected:

    void changeEvent(QEvent *event);

    void timerEvent(QTimerEvent *event);

    void updateInfoDisplay();

    bool readPersistentPreferences();

    void initializeCheckBoxStates(); 

private: 

    void updateItemsVisibility();

    void layoutInfoDisplay(); 

    void updateInfoDisplayItem(

            InfoWidgetLayoutManager::LayoutItemRole itemRole, 

            QString text); 

    void layoutSettingsDialog();

    void initializeSettingsDialogItems();

    void startChanges(); 

    void endChanges(); 

public slots: 

    // Slots for Homescreen FW callbacks

    void onInitialize();

    void onUninitialize();

    void onShow();

    void onHide();

    // Info widget specific slots 

    void readModel(); 

    void handleModelError(int operation,int errorCode);  

    void spnDisplaySettingChanged(int state);

    void mcnDisplaySettingChanged(int state);

    void satDisplaySettingChanged(int state);

    void settingsEditingFinished();

    void settingsEditingCancelled();

    void settingsValidationFailed(); 

    void settingsDialogClosed(HbAction* action); 

    bool startMarquees();

    void stopMarquees(); 

    void marqueeNext(); 

signals: 

    void setPreferences(const QStringList &names);

private:

    Q_DISABLE_COPY(InfoWidget)

    QScopedPointer<InfoWidgetEngine> m_engine;

    QScopedPointer<InfoWidgetPreferences> m_preferences;

    QGraphicsLinearLayout *m_layout;

    // Currently animating item(s), not owned 

    HbMarqueeItem *m_animatingItem; 

    QList<HbMarqueeItem *> m_animatingItems; 

    // Background frame drawer, not owned

    HbFrameItem *m_backgroundFrameItem;

    // Id of active timer 

    int m_timerId; 

    // Flags 

    bool m_layoutChanging;

    bool m_initialized;

};

#endif // INFOWIDGET_H