/*

* 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:

*

*/

#ifndef CBSUITOPICLISTVIEW_H

#define CBSUITOPICLISTVIEW_H

#include <hbview.h>

#include <CbsCommon.h>

#include <CbsCommonTypes.h>

#include "mcbsuitopicmonitorobserver.h"

// CONSTANTS  

const TInt KNumberOfStandardTopics = 17; //TODO what's this

class HbListWidget;

class HbAction;

class CCbsUiTopicListMonitor;

class CbsUiViewManager;

class MCbs;

class HbInputDialog;

class HbListWidgetItem;

class QPointF;

typedef CArrayFixFlat< TCbsTopicNumber > TCbsUiTopicNumberList;

class CbsUiTopicListView: public HbView,

                          public MCbsUiTopicMonitorObserver

{

    Q_OBJECT

public:

    /**

     * Constructor

     */

    CbsUiTopicListView();

    /**

     * Destructor

     */

    ~CbsUiTopicListView();

    /**

    * Init.

    *

    * @param server MCbs reference from CbsUiMainWindow

    * @param viewManager CbsUiViewManager reference from CbsUiMainWindow

    */    

    void init(MCbs &server, CbsUiViewManager &viewManager);

public: // from  MCbsUiTopicMonitorObserver

    /**

    * Topic list or topic messages are changed.

    *

    * @param aEvent reason for event

    * @param aTopicNumber Topic number, which caused the event

    */

    virtual void TopicListChangedL(TCbsTopicListEvent aEvent, 

                                   TCbsTopicNumber aTopicNumber);

private slots:

    /**

     * Connect with left toolbar

     */

    void toggleReception();

    /**

     * Connect with popup menu hotmark action

     */

    void toggleHotmark();

    /**

     * Connect with popup menu Subscription action

     */

    void toggleSubscription();

    /**

     * Connect with add topic toolbar

     */

    void addTopic();

    /**

     * Connect with popup menu delete action

     */

    void deleteTopic();

    /**

     * Connect with popup menu edit action

     */

    void editTopic();

    /**

     * Connect with short press

     * 

     * @param item selection item

     */

    void showTopicSelectionView(HbListWidgetItem *item);

    /**

     * showTopicView

     * 

     * @param item selection item

     */

    void showTopicView(HbListWidgetItem *item);

    /**

     * showTopicIndexMenu(000)

     * 

     * @param item selection item

     * @param coords availalbe menu show position

     */

    void showTopicIndexMenu(HbListWidgetItem *item, QPointF coords);

    /**

     * ShowTopicsMenu(1-999)

     * 

     * @param item selection item

     * @param coords availalbe menu show position

     */

    void showTopicsMenu(HbListWidgetItem *item, QPointF coords);

    /**

     * Connect with add / edit popup dialog to en/dis able OK button

     */

    void updateQueryAction(QString text);

private:

    /**

     * createComponents

     */

    void createComponents();

    /**

     * Reload topic index data and update topic index widget. (000)

     */

    void reloadTopicIndex();

    /**

     * Reload topics data and update topics widget (1-999)

     */

    void reloadTopics();

    /**

     * Update given item

     * 

     * @param item selection item

     * @param topic selection topic

     */

    void updateItem(HbListWidgetItem &item, const TCbsTopic &topic);

    /**

     * UpdateItemIcon

     * 

     * @param item selection item

     * @param topic selection topic

     */

    void updateItemIcon(HbListWidgetItem &item, const TCbsTopic &topic);

    /**

     * updateItemText

     * 

     * @param item selection item

     * @param topic selection topic

     */

    void updateItemText(HbListWidgetItem &item, const TCbsTopic &topic);

    /**

     * Update current item by mTopicRow

     * 

     * @param topic selection topic

     */

    void updateCurrentItem(const TCbsTopic &topic);

    /**

     * UpdateCurrentItemIcon, (un)subcribe and (un)hotmark

     * 

     * @param topic selection topic

     */

    void updateCurrentItemIcon(const TCbsTopic &topic);

    /**

     * UpdateCurrentItemText

     * 

     * @param topic selection topic

     */

    void updateCurrentItemText(const TCbsTopic &topic);

    /**

     * ShowPopupMenu

     * 

     * @param topic selection topic

     * @param coords availalbe menu show position

     */

    void showPopupMenu(const TCbsTopic &topic, QPointF coords);

    /**

     * Show current topic query dialog

     * (edit/add current topic number or name)

     *    

     * @param topic selection topic

     * @param isAddTopic check if add or edit mode

     */

    bool showTopicQuery(TCbsTopic &topic, const bool isAddTopic);

    /**

     * Show topic number in use popup when edit topic

     */

    void showNumberInUsePopup();

private: // Data

    /**

     * Not own, from CbsUiMainWindow

     */

    MCbs *mServer;

    /**

     * Not own, from CbsUiMainWindow

     */

    CbsUiViewManager *mViewManager;

    int mTopicRow; 

    /**

     * Not own, load from docml

     */

    HbListWidget *mTopicIndexWidget;

    /**

     * Not own, load from docml

     */

    HbListWidget *mTopicsWidget;

    /**

     * Not own, load from docml

     */

    HbAction *mReceptionButton;

    /**

     * Not own, load from docml

     */

    HbAction *mOpenAction;

    /**

     * Not own, load from docml

     */

    HbAction *mSubscibeAction;

    /**

     * Not own, load from docml

     */

    HbAction *mUnSubscibeAction;

    /**

     * Not own, load from docml

     */

    HbAction *mHotmarkAction;

    /**

     * Not own, load from docml

     */

    HbAction *mUnHotmarkAction;

    /**

     * Not own, load from docml

     */

    HbAction *mEditAction;

    /**

     * Not own, load from docml

     */

    HbAction *mDeleteAction;    

    //Monitors changes in topic list (Symbian).

    CCbsUiTopicListMonitor *mMonitor;

    /**

     * Own, for add / edit topic

     */

    HbInputDialog *mTopicQuery;

    /**

     * Own

     */

    TCbsUiTopicNumberList *mTopicNumberList;

};

#endif // CBSUITOPICLISTVIEW_H