/*

* Copyright (c) 2006 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 view class for chat group view

*

*/

#ifndef CCACHATVIEW_H

#define CCACHATVIEW_H

// INCLUDES

#include "CCAView.h"

#include "MCARecipientObserver.h"

#include "mcagroupobserverpc.h"

#include "PublicEngineDefinitions.h"

#include "MCATabObserver.h"

// FORWARD DECLARATIONS

class CCAChatViewContainer;

class CCAMessageExtensionsHandler;

class CAsyncCallBack;

class CFindItemMenu;

class CItemFinder;

class CEikButtonGroupContainer;

class MCAGroupPC;

// CLASS DECLARATION

/**

 *  This is class for chat group view

 *  @since 3.2

 */

class CCAChatView : public CCAView,

            public MCARecipientObserver,

            public MCAGroupObserverPC,

            public MCATabObserver

    {

    public: // Constructors and destructor

        /**

         * C++ default constructor

         */

        CCAChatView();

        /**

         * Symbian OS default constructor.

         * @param aAvkonViewResourceId Id for resource used

         *        to construct this view

         * @param aViewId View id

         * @param aMessageHandler -reference to Message Extension Handler

         */

        void ConstructL( TInt aAvkonViewResourceId, TUid aViewId,

                         CCAMessageExtensionsHandler& aMessageHandler );

        /**

         * Destructor.

         */

        virtual ~CCAChatView();

    protected: // Functions from base classes

        /**

         * From MEikMenuObserver, Called by framework before

         * constructing menupane

         * @param aResourceId Resource to be constructed

         * @param aMenuPane Pointer to menupane being constructed

         */

        void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );

        /**

         * From CAknView

         * @param aCommand Command that was received

         */

        void HandleCommandL( TInt aCommand );

        /**

         * Handles foreground event

         * @param aForeground ETrue if foreground else EFalse

         * @see CAknView

         */

        void HandleForegroundEventL( TBool aForeground );

    private: // From CAknView

        /**

         * From CAknView, Gets called from framework when activating this view

         * @param aPrevViewId Previous view id

         * @param aCustomMessageId Custom message's id

         * @param aCustomMessage Custom message

         */

        void DoActivateL( const TVwsViewId& aPrevViewId, TUid aCustomMessageId,

                          const TDesC8& aCustomMessage );

        /**

         * From AknView. Deactivates

         */

        void DoDeactivate();

    private:    // functions from MCARecipientObserver

        /**

         * Shows recipient list in chat and I-box view

         * @param aResourceId The resource id where to build list

         * @return result of query 0 if canceled else 1

         */

        TInt ShowRecipientsListL( TInt aResourceId );

        /**

         * Shows customized menu

         */

        void ShowPopUpMenuL();

    private: // From MCAGroupObserverPC

        /**

         * @see MCAGroupObserverPC

         */

        void HandleChatEvent( const TDesC& aWvid = KNullDesC,

                              const TDesC& aContactId = KNullDesC );

        /**

         * Actual handler for chat events

         */

        void DoHandleChatEventL( const TDesC& aWvid = KNullDesC,

                                 const TDesC& aContactId = KNullDesC );

        /**

         * @see  MCAGroupObserverPC

         */

        void HandleMessageError(  TInt aError, const TDesC& aNick = KNullDesC );

        /**

         * Leavable version of error handler

         * @see HandleMessageError

         */

        void DoHandleMessageErrorL( TInt aError, const TDesC& aNick = KNullDesC );

    private: // From MCATabObserver

        /**

        * @see MCATabObserver

        */

        void SwitchTabL( const TDesC& aWvId, const TInt aTabIndex );

    private:    // new methods

        /**

         * Displays list of joined members

         */

        void DisplayJoinedMembersL();

        /**

         * Updates selected item type

         */

        void UpdateItemTypeL();

        /**

         * Callback function for launching the invite query

         * Called by CAsyncCallBack

         * @param aInstance Instance of this class

         * @return Need for recall

         */

        static TInt LaunchInvite( TAny *aInstance );

        /**

         * The actual implementation

         * @param aShowQuery If ETrue, ask the user

         */

        void DoLaunchInviteL( TBool aShowQuery );

    public:    // new methods

        /**

         * Whether menu has been poped up

         */

        TBool GetIfMenuPopup();

    private: // Data

        // Pointer to callback

        CAsyncCallBack* iAsyncCallBack;

        // Previous view's id

        TVwsViewId iPrevViewId;

        // Owns. Container

        CCAChatViewContainer* iContainer;

        // Owns. Array of recipients

        CDesCArray* iRecipients;

        // Owns. Popup-menu for add to friends and reply

        CEikMenuBar* iAddAndReplyMenu;

        // Owns. Popup-menu for find item UI

        CEikMenuBar* iFindContextMenu;

        //Array of joined members. Owns

        CDesCArrayFlat* iJoinedMembers;

        //Group id. Owns

        HBufC* iGroupId;

        //recipient. Owns

        HBufC* iRecipient;

        //Sender. Owns

        HBufC* iSender;

        //Sender without the "wv:" prefix

        TPtrC iCleanSender;

        //Does not own. Extension handler for messages

        CCAMessageExtensionsHandler* iMessageHandler;

        // not owned. Hides CBA buttons when needed

        CEikButtonGroupContainer* iCba;

        //Doesnt Own, Ptr to Group PC interface

        MCAGroupPC* iGroupPC;

        // owns. menu pane for find item functionality

        CFindItemMenu* iFindMenu;

        // owns.

        CItemFinder* iItemFinder;

        //TabId for this group

        TInt iTabId;

        //doesn't own, pointer to grouputils

        CCAGroupUtils* iGroupUtils;

        // A indicator for object process

        TBool iObjectOpenedSaved;

        CEikMenuPane *iMenuPane;

    };

#endif //CCACHATVIEW_H

// End of File