/*

* Copyright (c) 2009-2010 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:

*

*/

#ifndef CXUIVIEWMANAGER_H

#define CXUIVIEWMANAGER_H

#include <QObject>

#include <QTimer>

#include <QList>

#include "cxeviewfindercontrol.h"

#include "cxenamespace.h"

#include "cxeerror.h"

#include "cxuiapplicationframeworkmonitor.h"

class QGraphicsSceneMouseEvent;

class HbMainWindow;

class CxuiApplication;

class CxuiCaptureKeyHandler;

class CxuiPrecaptureView;

class CxuiStillPrecaptureView;

class CxuiVideoPrecaptureView;

class CxuiPostcaptureView;

class CxeEngine;

class CxuiDocumentLoader;

class CxuiErrorManager; // class that handles all errors in ui.

class CxuiStandby;

class CxuiSceneModeView;

class CxuiViewManager : public QObject

{

    Q_OBJECT

public:

    CxuiViewManager(CxuiApplication &application, HbMainWindow &mainWindow, CxeEngine &engine);

    ~CxuiViewManager();

    void prepareWindow();

    /**

    * Get a pointer to the document loader instance.

    */

    CxuiDocumentLoader* documentLoader();

public slots:

    void changeToPostcaptureView();

    void changeToPrecaptureView();

    void switchCamera();

    void createPostcaptureView();

    void showScenesView();

private slots:

    void toForeground();

    void handleForegroundStateChanged(CxuiApplicationFrameworkMonitor::ForegroundState state);

    void handleBatteryEmpty();

    void aboutToLooseFocus();

    void aboutToGainFocus();

signals:

    void focusGained();

    void focusLost();

    void batteryEmpty();

    void disableStandbyTimer();

    void startStandbyTimer();

protected:

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

private:

    void createStillPrecaptureView();

    void createVideoPrecaptureView();

    CxuiPrecaptureView* getPrecaptureView(Cxe::CameraMode mode, Cxe::CameraIndex camera);

    void createSceneModesView();

    /*

    * connects all necessary signals for precapture view

    */

    void connectPreCaptureSignals();

    /*

    * disconnects signals

    */

    void disconnectSignals();

    /*

    * connects all necessary signals for postcapture view

    */

    void connectPostCaptureSignals();

    /*

    * connects capture key handler signals to the current view.

    */

    void connectCaptureKeySignals();

private:

    //data

    CxuiApplication &mApplication;

    HbMainWindow &mMainWindow;

    CxuiStillPrecaptureView *mStillPrecaptureView;

    CxuiVideoPrecaptureView *mVideoPrecaptureView;

    CxuiPostcaptureView *mPostcaptureView;

    CxeEngine &mEngine;

    CxuiCaptureKeyHandler *mKeyHandler;

    CxuiApplicationFrameworkMonitor *mApplicationMonitor;

private:

    CxuiDocumentLoader *mCameraDocumentLoader;

    CxuiStandby *mStandbyHandler;

    CxuiErrorManager *mErrorManager;

    CxuiSceneModeView *mSceneModeView;

};

#endif // CXUIVIEWMANAGER_H