/*

* Copyright (c) 2010 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: This is a header file for a CxuiView class

*

*/

#ifndef CXUIVIEW_H

#define CXUIVIEW_H

#include <QObject>

#include <QTimer>

#include <hbview.h>

#include <hbmainwindow.h>

#include <hbframedrawer.h>

#include <hbinstantfeedback.h>

class CxuiDocumentLoader;

class CxuiCaptureKeyHandler;

class CxuiZoomSlider;

class CxuiCaptureKeyHandler;

class CxeEngine;

class HbWidget;

class HbActivityManager;

// CONSTANTS

const int CXUI_HIDE_CONTROLS_TIMEOUT     = 6000; // 6 seconds

/**

 * A base class for all views in the Camera UI

 * The class is for deriving only

 */

class CxuiView : public HbView

{

    Q_OBJECT

public:

    CxuiView(QGraphicsItem *parent = 0);

    virtual ~CxuiView();

    virtual void construct(HbMainWindow *mainWindow, CxeEngine *engine,

                           CxuiDocumentLoader *documentLoader,

                           CxuiCaptureKeyHandler * keyHandler,

                           HbActivityManager *activityManager);

public:

    virtual bool isStandbyModeSupported() const;

    virtual void updateOrientation(Qt::Orientation orientation);

    virtual void restoreActivity(const QString &activityId, const QVariant &data);

    virtual void saveActivity();

    virtual void clearActivity();

protected:

    virtual bool allowShowControls() const;

    virtual bool isFeedbackEnabled() const;

    virtual void toggleControls();

    virtual void showToolbar();

    virtual void hideZoom();

    virtual void showZoom();

    virtual void hideIndicators();

    virtual void showIndicators();

    virtual void createWidgetBackgroundGraphic(HbWidget *widget,

                                       const QString &graphicName,

                                       HbFrameDrawer::FrameType frameType =

                                       HbFrameDrawer::NinePieces);

    void mousePressEvent(QGraphicsSceneMouseEvent *event);

    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

public slots:

    void zoomDisappearEffectFinished(const HbEffect::EffectStatus &status);

    void zoomAppearEffectFinished(const HbEffect::EffectStatus &status);

    virtual void enterStandby();

    virtual void exitStandby();

protected slots:

    virtual void launchNotSupportedNotification();

    virtual void launchPhotosApp();

    virtual void launchVideosApp();

    virtual void releaseCamera();

    virtual void launchScenesView();

    // Control visibility of all UI items at the same time: toolbar, zoom and titlepane items

    virtual void hideControls();

    virtual void showControls();

    virtual void hideToolbar();

signals:

    void viewCloseEvent();

    void showScenesView();

protected: //common data

    HbMainWindow *mMainWindow; // not own

    CxeEngine *mEngine; // not own

    CxuiDocumentLoader *mDocumentLoader; // not own

    CxuiCaptureKeyHandler* mCaptureKeyHandler;

    CxuiZoomSlider *mSlider; // zoom slider, not own, owned by the graphics scene

    HbToolBar *mToolbar; // not own, owned by the graphics scene

    HbWidget *mIndicators;

    bool   mControlsVisible;

    bool   mZoomVisible;

    QTimer mHideControlsTimeout;

    HbInstantFeedback mControlsFeedback;

    HbActivityManager *mActivityManager;

};

#endif // CXUIVIEW_H