/*

* Copyright (c) 2007-2008 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:  application main view

*

*/

#ifndef _CIMCVAPPVIEW_H

#define _CIMCVAPPVIEW_H

// INCLUDES

#include "cimcvappviewcontainer.h" 

#include <coecntrl.h>

#include <aknview.h>

#include "mimcvenginemessagehandlerobserver.h"

#include "mimcvrecipientobserver.h"

#include "mimcvtabobserver.h"

#include "mimcvnewmsgfadecontrolobserver.h"

#include "mimcvenginechatlistobserver.h"

#include <akntoolbarobserver.h>

//For KMaxPackedContactLinkLength

#include "imcvuiparams.h"

#include "mimcvngineservicechangeobserver.h"

// FORWARD DECLARATIONS

class CIMCVAppUi;

class MIMCVEngineChatInterface;

class CFindItemMenu;

class CItemFinder;

class CIMCVAppUi;

class CIMCVEngine;

class CIMCVAppStatusPaneHandler;

class MCCAConnection;

class MCCAParameter;

class CIMCVMenuExtensionManager;

class MIMCVEngineFactory;

// CLASS DECLARATION

/**

 *  This is view class for conversation view

 */

class CIMCVAppView : public CAknView,

					 public MIMCVRecipientObserver,

					 public MIMCVTabObserver,

					 public MIMCVNewMsgFadeControlObserver,

					 public MAknToolbarObserver,

					 public MIMCVEngineServiceChangeObserver

    {

    public:  // Constructors and destructor

        /**

         * C++ default constructor.

         */

        CIMCVAppView();

        /**

         * Symbian 2nd phase constructor.

         * @param aAvkonViewResourceId Resource id for view

         * @param aViewId Id of the view

         */

        void ConstructL( TInt aAvkonViewResourceId, TUid aViewId, 

                            CIMCVAppMessageExtensionsHandler& aMessageHandler);

        /**

         * Destructor.

         */

        virtual ~CIMCVAppView();

	public : // MIMCVEngineServiceChangeObserver

	    /*

	     * new service has been installed

	     */

	    void HandleNewServiceL( TInt aServiceId )  ;

	    /*

	     *  service has been deleted

	     */

	    void HandleServiceDeletedL( TInt aServiceId ) ;

	    /**

	     * handle presence change notification

	     * call back from imcvuiengine

	     */

	    void HandlePresenceChangedL(TInt aServiceId, const TDesC& aBuddyId ) ;

	    /**

	     * Handle message send operation completion.

	     * @param aResult result  to handle.

	     */

	    void HandleOperationCompletdL(TInt aServiceId , MIMCVEngineMessage::TMessagerType aType , TInt aResult);

	    /**

	     * @see HandleConnectionTerminatedL

	     * to handle the connection lost

	     * @param aReason, reason report

	     */

	    void HandleConnectionEventL(TInt aServiceId, TIMCVConnectionState aState, TInt aReason )  ;

	    /*

	     * See MIMCVEngineChatListObserver

	     */

	    void HandleChatListEvent(TInt aServiceId,  TChatListEventType aEvent, 

	            MIMCVEngineMessageReadInterface* aContainerInfo  ) ;

    public: // New methods

        /**

         * Handles changes in CBA states

		 * @since 5.0

         * @param aResourceId Resource that changes

         */		

        void HandleCbaChangeL( TInt aResourceId );

        /**

         * SetStatusPaneIconsL set the icons based on presence status

		 * @since 5.0

         */	

        void SetStatusPaneIconsL();

         /**

         * From MIMCVRecipientObserver

         * Shows customized menu

         */

        void ShowPopUpMenuL( );

        /**

         * Function to launch help

         */

        void LaunchHelpL( const TDesC& aContext);          

        void ShowMeL( const TDesC8& aParamData ) ;

        void UpdateToolbarButtonsStateL();

        /**

         * Launches the contact details view 

         * 

         */

        void LaunchCcaL();

        /*

         * return active engine reference

         */

        CIMCVEngine& ActiveEngine() const ;

    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);

        /**

	     * Resolve currently selected item type and set it to CItemFinder

	     */

        void UpdateItemTypeL();    

    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 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 );

		/**

		* Show query dialog

		* @param aDialogResourceId resource id

		* @param aPrompt text to be shown

		*/

		TInt DisplayQueryDialogL( TInt aDialogResourceId, 

            					  const TDesC& aPrompt );

	private:

		/** Helper Function

		 * This function is to be called when switching between tabs

		 * @param aChatId - Switch to this chat item

		 * @param aTabIndex - Index of the tab

		 */

		void SwitchTabL(TInt aActiveServiceId , const TDesC& aChatId, const TInt aTabIndex);

	private:

		/**

         * From MIMCVNewMsgFadeControlObserver          

		 * @see MIMCVNewMsgFadeControlObserver

         */		

		void NotifyWhenCompleted() ;

		/**

         * From MIMCVNewMsgFadeControlObserver          

		 * @see MIMCVNewMsgFadeControlObserver

         */

		void NotifyWhenStarted();

	   public:

	   		/** 

		 		* This function is to be called when left/right Navigation key is pressed

		 		* @param aKeyEvent 

		 		* @param aType

		 		*/

	       TKeyResponse OfferTabEventL(const TKeyEvent& aKeyEvent,TEventCode aType);

	public: // MAknToolbarObserver

	    /**

	     * Called when toolbar events occur

	     *

	     * @since 5.0

	     * @return void

	     */

	    void OfferToolbarEventL( TInt aCommand ) { HandleCommandL(aCommand); }

	private:

		/**

		 * id from base clas.

		 */

	    TUid Id() const;

	   /**

         * constructs necessary icons for this decorator

         * @return Icon. 

         **/

		 CGulIcon* LoadBitmapL(  );

         /**

         * refreshes the view.

         */

         void ViewRefreshL();

         /*

		 *  switch the valid service references

		 */

         void SwitchToValidServiceL( TInt aServiceId );

         /*

          * Deltete the CIMCVAppRichTextContainerCache when xsp id deleted from detail view..

          */

         void DeleteContainerCache(const TDesC& aPrimaryKey, TInt aServiceId );

    private: // Data

        // View's UID

        TUid iViewId;

        // Owns. Container

        CIMCVAppViewContainer* iContainer;

        //Owns. Contact id

        HBufC* iRecipientUserId;

	    //Doesn't own. Message handler

        CIMCVAppMessageExtensionsHandler* iExtensionHandler;

        // not owned, from CCoeEnv

        CIMCVAppUi* iAppUi;

	    //stores the default MBM path

	    TFileName iDefaultMbmPath;

          // Owns. Popup-menu for find item UI

        CEikMenuBar* iFindContextMenu;   

        // owns. menu pane for find item functionality

        CFindItemMenu* iFindMenu;

        // owns. 

        CItemFinder* iItemFinder;    

		//Service Id

		TInt iServiceId;

		//Doesnt Own

		CIMCVAppStatusPaneHandler* iStatusPane;

		 MCCAConnection* iConnection;

		 MCCAParameter* iParameter;

       	TBool iViewDeactivated;

       	//Owns Cache to store CIMCVAppRichTextContainer objects

       	CIMCVAppRichTextContainerCache* iRTContainerCache;

        //Owns. "From me" icon

        CGulIcon* iFromMe;

        //Owns. "To me" icon

        CGulIcon* iToMe;

        //Owns Menu Extention manager

        CIMCVMenuExtensionManager* iMenuExtManager;

        // not owns : reference to imcvuiengine component

        MIMCVEngineFactory* iEngineFactory ;

        // not owns : active change engine pointer

        CIMCVEngine* iActiveEngine;

        // not owned , chat interface

         MIMCVEngineChatInterface* iActiveChatInterface;

         //Keep track if Detail view is opened.

         TBool iDetailViewOpen;

         //Keep track, if conv. view need to be closed when xsp id is deleted

         //when doing back operation conv. view need to be closed if xsp id deleted from detail view.

         TBool iConvViewDel ; 

    };

#endif // _CIMCVAPPVIEW_H