/*

* 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 <QPointer>

#include <QRectF>

#include "hswidgetpositioningonwidgetmove.h"

#include "hstest_global.h"

HOMESCREEN_TEST_CLASS(HomeScreenStatePluginTest)

class QGraphicsItem;

class QGraphicsSceneMouseEvent;

class QGestureEvent;

class HbAction;

class HbContinuousFeedback;

class HsTitleResolver;

class QParallelAnimationGroup;

class HbMenu;

#ifdef Q_OS_SYMBIAN

class XQSettingsManager;

#endif

class HsWidgetHost;

class HsPage;

class HsMessageBoxWrapper;

class HsIdleState : public QState

{

    Q_OBJECT

public:

    HsIdleState(QState *parent = 0);

    ~HsIdleState();

signals:

    void event_applicationLibrary();

    void event_waitInput();

    void event_moveWidget();

    void event_moveScene();

    void event_selectWallpaper();

    void event_addPage();

    void event_preRemovePage();

    void event_removePage();

    void event_toggleConnection();

protected:

    bool eventFilter(QObject *watched, QEvent *event);

private:

    Q_DISABLE_COPY(HsIdleState)

    void setupStates();

    qreal pageLayerXPos(int pageIndex) const;

    void startPageChangeAnimation(int targetPageIndex, int duration);

    void startPageChangeZoneAnimation(int duration);

    bool isInPageChangeZone();

    bool isInLeftPageChangeZone();

    bool isInRightPageChangeZone();

    void addPageToScene(int pageIndex);    

    void updateZoneAnimation();

    void showTrashBin();

    QList<QRectF> createInactiveWidgetRects();

    void updatePagePresentationToWidgetSnap();

    void resetSnapPosition();

    void showVerticalLine();

    void showHorizontalLine();

    void hideVerticalLine();

    void hideHorizontalLine();

private slots:    

    void action_idle_setupView();

    void action_idle_layoutNewWidgets();

    void action_idle_showActivePage();

    void action_idle_connectOrientationChangeEventHandler();

    void action_idle_orientationChanged();

    void action_idle_installEventFilter();

    void action_idle_cleanupView();

    void action_idle_disconnectOrientationChangeEventHandler();

    void action_idle_uninstallEventFilter();

    void action_waitInput_updateOptionsMenu();

    void action_waitInput_connectGestureHandlers();

    void action_waitInput_publishIdleKey();

    void action_waitInput_disconnectGestureHandlers();

    void action_waitInput_resetNewWidgets();

    void action_moveWidget_reparentToControlLayer();

    void action_moveWidget_startWidgetDragEffect();

    void action_moveWidget_connectGestureHandlers();

    void action_moveWidget_setWidgetSnap();

    void action_moveWidget_reparentToPage();

    void action_moveWidget_startWidgetDropEffect();

    void action_moveWidget_disconnectGestureHandlers();

    void action_moveWidget_preventZoneAnimation();

    void action_moveWidget_deleteWidgetSnap();

    void action_moveScene_connectGestureHandlers();

    void action_moveScene_moveToNearestPage();

    void action_moveScene_disconnectGestureHandlers();    

    void action_addPage_addPage();

    void action_preRemovePage_showQuery();

    void action_preRemovePage_exit();

    void action_removePage_startRemovePageAnimation();

    void action_removePage_removePage();

    void action_toggleConnection_toggleConnection();

    void action_idle_setupTitle();

    void action_idle_cleanupTitle();

    void onPageTapAndHoldFinished(QGestureEvent *event);

    void onPagePanStarted(QGestureEvent *event);

    void onPagePanUpdated(QGestureEvent *event);

    void onPagePanFinished(QGestureEvent *event);

    void onWidgetTapAndHoldFinished(QGestureEvent *event, HsWidgetHost *widget);

    void onWidgetMoveUpdated(const QPointF &scenePos, HsWidgetHost *widget);

    void onWidgetMoveFinished(const QPointF &scenePos, HsWidgetHost *widget);

    void onTitleChanged(QString title);

    void onAddContentFromContextMenuActionTriggered();

    void onAddContentFromOptionsMenuActionTriggered();

    bool openTaskSwitcher();

    void zoneAnimationFinished();

    void pageChangeAnimationFinished();

    void onVerticalSnapLineTimerTimeout();

    void onHorizontalSnapLineTimerTimeout();

private:

    HbAction *mNavigationAction;

    HsTitleResolver *mTitleResolver;

    bool mAllowZoneAnimation;

    HbContinuousFeedback *mContinuousFeedback;

    bool mTrashBinFeedbackAlreadyPlayed;    

    QPointF mPageHotSpot;

    QPointF mWidgetHotSpot;

    QPointF mWidgetHotSpotOffset;

    qreal mDeltaX;

    QPointer<HbMenu> mSceneMenu;

    HsWidgetPositioningOnWidgetMove::Result mSnapResult;

    HsWidgetPositioningOnWidgetMove::Result mPreviousSnapResult;

    QTimer mVerticalSnapLineTimer;

    QTimer mHorizontalSnapLineTimer; 

#ifdef Q_OS_SYMBIAN    

    XQSettingsManager *mSettingsMgr;

#endif    

    HsMessageBoxWrapper *mMessageBoxWrapper;

    HOMESCREEN_TEST_FRIEND_CLASS(HomeScreenStatePluginTest)

};

#endif // HSIDLESTATE_H