/*

* 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 HSIDLESTATE_H

#define HSIDLESTATE_H

#include <QState>

#include <QTimer>

#include <QPointF>

#include "hstest_global.h"

HOMESCREEN_TEST_CLASS(HomeScreenStatePluginTest)

class QGraphicsItem;

class QGraphicsSceneMouseEvent;

class HbView;

class HbAction;

class HsIdleWidget;

class HsIdleState : public QState

{

    Q_OBJECT

public:

    HsIdleState(QState *parent = 0);

	~HsIdleState();

signals:

    void event_applicationLibrary();

    void event_waitInput();

    void event_widgetInteraction();

    void event_sceneInteraction();

    void event_moveWidget();

    void event_moveScene();

    void event_sceneMenu();

    void event_selectSceneWallpaper();

    void event_addPage();

    void event_removePage();

    void event_toggleConnection();

private:

    void setupStates();

    qreal pageLayerXPos(int pageIndex) const;

    void startPageChangeAnimation(int targetPageIndex, int duration);

    bool isInPageChangeZone();

    bool isInLeftPageChangeZone();

    bool isInRightPageChangeZone();

    void addPageToScene(int pageIndex);

    qreal parallaxFactor() const;

private slots:

    void action_disableUserInteraction();

    void action_enableUserInteraction();    

    void action_idle_setupView();

    void action_idle_layoutNewWidgets();

    void action_idle_showActivePage();

    void action_idle_connectOrientationChangeEventHandler();

    void action_idle_cleanupView();

    void action_idle_disconnectOrientationChangeEventHandler();    

    void action_waitInput_updateOptionsMenu();

    void action_waitInput_connectMouseEventHandlers();

    void action_waitInput_disconnectMouseEventHandlers();    

    void action_widgetInteraction_connectMouseEventHandlers();

    void action_widgetInteraction_connectGestureTimers();

    void action_widgetInteraction_disconnectMouseEventHandlers();

    void action_widgetInteraction_disconnectGestureTimers();    

    void action_sceneInteraction_connectMouseEventHandlers();

    void action_sceneInteraction_connectGestureTimers();

    void action_sceneInteraction_disconnectMouseEventHandlers();

    void action_sceneInteraction_disconnectGestureTimers();    

    void action_moveWidget_reparentToControlLayer();

    void action_moveWidget_startWidgetDragAnimation();

    void action_moveWidget_connectMouseEventHandlers();

    void action_moveWidget_connectGestureTimers();

    void action_moveWidget_reparentToPage();

    void action_moveWidget_startWidgetDropAnimation();

    void action_moveWidget_disconnectMouseEventHandlers();

    void action_moveWidget_disconnectGestureTimers();

    void action_moveScene_connectMouseEventHandlers();

    void action_moveScene_disconnectMouseEventHandlers();

    void action_sceneMenu_showMenu();

    void action_addPage_addPage();

    void action_removePage_removePage();

    void action_toggleConnection_toggleConnection();

    void waitInput_onMousePressed(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void widgetInteraction_onMouseMoved(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void widgetInteraction_onMouseReleased(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void sceneInteraction_onMouseMoved(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void sceneInteraction_onMouseReleased(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void moveWidget_onMouseMoved(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void moveWidget_onMouseReleased(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void moveScene_onMouseMoved(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void moveScene_onMouseReleased(

        QGraphicsItem *watched, QGraphicsSceneMouseEvent *event, bool &filtered);

    void onOrientationChanged(Qt::Orientation orientation);

    void widgetInteraction_onTapAndHoldTimeout();

    void sceneInteraction_onTapAndHoldTimeout();

    void moveWidget_onHoldTimeout();

#ifndef Q_OS_SYMBIAN

    void switchLanguage();

    void translateUi();

#endif

private:

    HbView *mView;

    HsIdleWidget *mUiWidget;

    QTimer mTimer;

    qreal mTapAndHoldDistance;

    qreal mPageChangeZoneWidth;

    QPointF mSceneMenuPos;

    HOMESCREEN_TEST_FRIEND_CLASS(HomeScreenStatePluginTest)

};

#endif // HSIDLESTATE_H