/*

* 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:  View class for conversation view

*

*/

#ifndef CCACONVERSATIONSVIEW_H

#define CCACONVERSATIONSVIEW_H

// INCLUDES

#include "CCAView.h"

#include "MCARecipientObserver.h"

#include "PublicEngineDefinitions.h"

#include "MCAConversationObserverPC.h"

#include "CCAConversationsContainer.h" // MCATitleUpdater

#include "mcablockchecker.h"

#include "MCATabObserver.h"

#include "chatdefinitions.h"

#include <akntabgrp.h>

#include <AknInfoPopupNoteController.h> // for CAKnInfoPopupNote

#include "TEnumsPC.h"

// FORWARD DECLARATIONS

class MCAIndicatorTerminator;

class CFindItemMenu;

class CItemFinder;

class CEikButtonGroupContainer;

class CCAAppUi;

class MCAConversationPC;

// CLASS DECLARATION

/**

 *  This is view class for conversation view

 *

 *  @lib chatng.exe

 *  @since 3.2

 */

class CCAConversationsView :

            public CCAView,

            public MCARecipientObserver,

            public MCAConversationObserverPC,

            public MCATitleUpdater, // For updating title

            public MCAEditorContentStorage, // For storing editor content

            public MCABlockChecker,

            public MCATabObserver

    {

    public:  // Constructors and destructor

        /**

         * C++ default constructor.

         */

        CCAConversationsView();

        /**

         * Symbian 2nd phase constructor.

         * @param aAvkonViewResourceId Resource id for view

         * @param aViewId Id of the view

         */

        void ConstructL( TInt aAvkonViewResourceId, TUid aViewId,

                         CCAMessageExtensionsHandler& aMessageHandler );

        /**

         * Destructor.

         */

        virtual ~CCAConversationsView();

    public: // New methods

        /**

         * Handles changes in CBA states

         * @since 3.2

         * @param aResourceId Resource that changes

         */

        void HandleCbaChangeL( TInt aResourceId );

        /**

         * Sets the index of last unread message

         * @since 3.2

         * @param aLastUnreadIndex

         */

        void SetLastUnreadIndex( const TInt aLastUnreadIndex = -1 );

    private: //New methods

        /**

         * Closes conversation

         */

        void CloseConversationL();

        /**

         * This function forwards the message to contact

         * @since 3.2

         */

        void ForwardToContactL();

        /**

         * This function forwards the message to group

         * @since 3.2

         */

        void ForwardToGroupL();

    private: // 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

         * @see MEikMenuObserver

         */

        void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );

    private: // From MCAConversationObserverPC

        /**

         * @see MCAConversationObserverPC

         */

        void HandleChatEvent( const TDesC& aWvid,

                              const TDesC& aContactId  ) ;

        /**

         * @see MCAConversationObserverPC

         */

        void HandleContactChange( const TDesC& aContactId );

        /**

         * @see MCAConversationObserverPC

         */

        void HandleMessageError( TInt aError,

                                 const TDesC& aInfo,

                                 TEnumsPC::TContentType aMsgContentType ) ;

    private:

        void DoHandleChatEventL( const TDesC& aWvid,

                                 const TDesC& aContactId );

        void DoHandleMessageErrorL( TInt aError,

                                    const TDesC& aInfo,

                                    TEnumsPC::TContentType aMsgContentType );

    private:

        /**

         * 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

         * @see CAknView

         */

        void DoActivateL( const TVwsViewId& aPrevViewId, TUid aCustomMessageId,

                          const TDesC8& aCustomMessage );

        /**

         * From AknView, deactivates view

         * @see CAknView

         */

        void DoDeactivate();

        /**

         * From MCARecipientObserver

         * Shows recipient list

         * @param aResourceId Resource id for pop up list

         * @return Positive value if Oked

         * @see CAknView

         */

        TInt ShowRecipientsListL( TInt aResourceId );

        /**

         * From MCARecipientObserver

         * Shows customized menu

         * @see CAknView

         */

        void ShowPopUpMenuL( );

        /**

         * From CAknView

         * @param aCommand Command that was received

         * @see CAknView

         */

        void HandleCommandL( TInt aCommand );

        /**

         * Handles foreground event

         * @param aForeground ETrue if foreground else EFalse

         * @see CAknView

         */

        void HandleForegroundEventL( TBool aForeground );

        /**

         * Shows Templates menu

         */

        void ShowTemplatesL();

    public:

        /**

        * @see MCATabObserver

        */

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

    private:

        /**

         * Resolve currently selected item type and set it to CItemFinder

         */

        void UpdateItemTypeL();

    private: // From MCATitleUpdater

        /**

         * Update title

         */

        void UpdateTitleL();

    private: // From MCAEditorContentStorage

        /**

         * @see MCAEditorContentStorage

         */

        void StoreContent( const HBufC* aContent );

    private: // From MCABlockChecker

        /**

         * @see MCABlockChecker

         */

        void CheckBlockedL();

    private: // Data

        // Previous view's id

        TVwsViewId iPrevViewId;

        // Owns. Container

        CCAConversationsContainer* iContainer;

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

        CEikMenuBar* iAddAndReplyMenu;

        // Owns. Popup-menu for find item UI

        CEikMenuBar* iFindContextMenu;

        //Owns. Contact id

        HBufC* iContactId;

        //Owns. ListId

        HBufC* iListId;

        //Owns. Title

        HBufC* iTitle;

        //Owns. Sender

        HBufC* iSender;

        // displayid'd sender

        TPtrC iCleanSender;

        TInt iLastUnreadIndex;

        TBool iForeground;

        //Doesn't own. Message handler

        CCAMessageExtensionsHandler* iMessageHandler;

        // owns. menu pane for find item functionality

        CFindItemMenu* iFindMenu;

        // owns.

        CItemFinder* iItemFinder;

        // not owned, used to hide the CBA

        CEikButtonGroupContainer* iCba;

        // not owned, from CCoeEnv

        CCAAppUi* iAppUI;

        // Owns.

        const HBufC* iEditorContent;

        // doesnt own. Ptr to the process component for conversations

        MCAConversationPC* iConversationPC;

        //current tab id

        TInt iTabId;

        //doesnt own

        CCAStatusPaneHandler* iTitlePane;

        // A indicator for object process

        TBool iObjectOpenedSaved;

    };

#endif // CCACONVERSATIONSVIEW_H