/*

* 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:   ?Description

*

*/

#ifndef GLXFULLSCREENVIEW_H

#define GLXFULLSCREENVIEW_H

//Includes

#include <hbeffect.h>

//User Defined Includes

#include <glxview.h>

#include <glxcoverflow.h>

#define NBR_ANIM_ITEM 2

//Orbit/Qt forward declartion

class QTimer;

class HbAction;

class HbGridView;

class HbMainWindow;

class HbPushButton;

class HbDocumentLoader;

class QAbstractItemModel;

class HbIconItem;

//User Defined forward declartion

class GlxZoomWidget;

class GlxTvOutWrapper;

/**

 * Class Description

 * This is full screen view class to show the image in fullscreen, zoom the image and

 * browse the image through coverflow and imagstrip

 */

class GlxFullScreenView : public GlxView

{

    Q_OBJECT

public :

    /**

     * Constructor

     * @param - HbMainWindow object

     * @param - fullscreen docloader object

     */

    GlxFullScreenView(HbMainWindow *window,HbDocumentLoader *DocLoader);

    /**

     * Destructor

     */

    ~GlxFullScreenView();

    /**

     * activate()

     * ///From GlxView

     */

    void activate() ;

    /**

     * deActivate()

     * ///From GlxView

     */

    void deActivate();

    /**

     * initializeView() - Initialize the coverflow and partially creates the coverflow with one image

     * to make the widget light weight in order to make transition smooth

     * and also loads the widgets. 

     * @param - pointer of model to retreive the view releted data

     * @parm - previous view pointer to get the staus of fullscreen mode of the view

     */

    void initializeView( QAbstractItemModel *model, GlxView *preView );

    /**

     * resetView() - resets the view, with just one icon being present in the widget

     * to make the widget light weight in order to make transition smooth

     */

    void resetView();

    /**

     * setmodel() 

     * ///from GlxView

     */

    void setModel(QAbstractItemModel *model);

    /**

     * setModelContext() - to set the context mode of the model.

     */

    void setModelContext ( );

    /**

     * cleanUp() - To clean the custom widgets.

     */

    void cleanUp();

    /**

     * getAnimationItem() - To return the animation object to play the view transition animation.

     * @return pointer of widget on which animation are suppose to play.

     */

    QGraphicsItem * getAnimationItem(GlxEffect transitionEffect);

public slots:

    /**

     * orientationChanged() - Slot to upadte the layout when orientation of device has changed

     * @param new orientation

     */

    void orientationChanged( Qt::Orientation );

    /**

     * activateUI() - To show the ui content like status bar, toolbar, and imzge strip.

     */

    void activateUI();

    /**

     * hideUi() - To hide the ui content like status bar, toolbar, and imzge strip.

     */

    void hideUi();

    /**

     * changeSelectedIndex() - Call back when index is chnaged due to browsing of images in coverflow

     * It will update the selected index in model and notify other widget about index changed.

     * @param - index of new selected item.

     */

    void changeSelectedIndex(const QModelIndex &index);

    /**

     * indexChanged() - call back when index is changed from the image strip.

     * It will update the selected index in model and notify other widget about index changed.

     * @param - index of new selected item.  

     */

    void indexChanged(const QModelIndex &index );

    /**

     * scrollingStarted() - Call back function to get notification of when scrolling of

     * image strip is start.

     */

    void scrollingStarted();

    /**

     * scrollingEnded() - Call back function to get notification of when scrolling of

     * image strip is stop.

     */

    void scrollingEnded();

    /**

     * pressed() - Call back function to get notification of user pressed mouse key or touch the fingure.

     * @param - index of selected item.

     */

    void pressed(const QModelIndex &index );

    /**

     * released() - Call back function to get notification of user released mouse key or released the fingure.

     * @param - index of new selected item.

     */

    void released(const QModelIndex &index );

    /**

     * setVisvalWindowIndex() - Set the viisual window index of medialist.

     */

    void setVisvalWindowIndex();

    /**

     * coverFlowEventHandle() -  Handle the event generated by cover flow.

     * @param - cover flow event type

     */

    void coverFlowEventHandle( GlxCoverFlowEvent e);

    /**

     * effectFinished() -  call back when ui on\off effect has finished.

     * @param - staus of effect

     */

    void effectFinished( const HbEffect::EffectStatus  );

    /**

     * imageSelectionEffectFinished() -  call back when ui image strip selection effect has been finished.

     * @param - staus of effect

     */

    void imageSelectionEffectFinished( const HbEffect::EffectStatus  );

    /**

     * orientChangeAnimFinished() -  call back when custom orientation change effect has been finished.

     * @param - staus of effect

     */

    void orientChangeAnimFinished( const HbEffect::EffectStatus );

    /**

     * effectFinished -  call back when ui on\off effect has finished

     * @param - staus of effect

     */

    void handleToolBarAction();

    /**

     * In case of image fetcher handle select command and emit selected index and model 

     */

    void handleFSSelect();

protected :

    /**

     * eventFilter - To handle the application foregrond and background event

     * ///From HbView

     */

    bool eventFilter(QObject *obj, QEvent *ev);

private:    

    /**

     * loadWidgets() - The widgets are retrieved from the docml

     */

    void loadWidgets();

    /**

     * loadViewSection() - Loads the corresponding sections in the docml while the orentation is changed.

     */

    void loadViewSection();

    /**

     * setLayout() - To set the widgets laout.

     */

    void setLayout();

    /**

     * addConnection() - Add the call back of the widgets.

     */

    void addConnection();

    /**

     * removeConnection() - Remove the call back of widgets.

     */

    void removeConnection();

    /**

     * setImageStripModel() - set the image strip model.

     */

    void setImageStripModel();

    /**

     * loadFullScreenToolBar() - load the fullscreen tool bar from the docml.

     */

    void loadFullScreenToolBar();

    /**

     * addToolBarAction() - Crete and add the toolbar acton in toolbar.

     * @param - coomand id to recognise the action.

     * @param - toolbar action icon.

     * @param - action name it is used for automation of test cases. 

     */

    void addToolBarAction( int commandId, const QString &iconName, const QString &name) ;

    /**

     * initAnimationItem() - Initialise the custom animation item.

     */

    void initAnimationItem();

    /**

     * imageSelectionAnimation() - To trigger the image setection animtaion form the imge strip.

     */

    void imageSelectionAnimation( const QModelIndex &index );

    /**

     * cancelSelectionAnimation()- To cancel the image selection animation.

     */

    void cancelSelectionAnimation( );

    /**

     * playOrientChangeAnim() - To trigger the custom orientation change animation.

     */

    void playOrientChangeAnim();

    /**

     * get the substate of fullscreen state.

     */

    int getSubState();

    /**

     * setHdmiModel() - set the image strip model.

     * @param - model

     */

    void setHdmiModel( QAbstractItemModel *model );

private:

    QAbstractItemModel  *mModel;   //no ownership

    HbMainWindow        *mWindow;  //no ownership

    GlxCoverFlow        *mCoverFlow;

    HbGridView          *mImageStrip;

    QTimer              *mUiOffTimer;  //use for ui off after 30 sec

    HbIconItem          *mIconItems[ NBR_ANIM_ITEM ] ;   //temporary item for play the image strip select animation

    GlxTvOutWrapper     *mTvOutWrapper;

    HbToolBar           *mFullScreenToolBar; //Fullscreen Toolbar

    //for Zoom

	GlxZoomWidget		*mZoomWidget;

    HbDocumentLoader    *mDocLoader;

    bool                mUiOff;        // to check the current status of ui on / off

};

#endif /* GLXFULLSCREENVIEW_H_ */