/*

* Copyright (c) 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:  service manager for a specific service

 *                

 *

*/

#ifndef CSERVICEWIDGETSERVICEMANAGER_H

#define CSERVICEWIDGETSERVICEMANAGER_H

#include <vwsdef.h>

#include <e32base.h>

#include "mservicewidgetobservers.h"

#include "servicewidgetcpglobals.h"

class CServiceWidgetContentPublisher;

class CServiceWidgetPresenceHandler;

class CServiceWidgetCchHandler;

class CServiceWidgetMessageHandler;

class CServiceWidgetTimer;

class CCoeEnv;

class CServiceWidgetBrandHandler;

class MVIMPSTSettingsStore;

/**

 *  

 * content harvester plugin	

 * layout Description of servicewidgetplugin and numbering of boxes

 *

 *  -------------------------------------

 *  | 1	A	| User ( Offline )	|offline| Text Row 1

 *  |   V	|	2				|icon 3	|

 *  |   A	|----------------------------

 *  |	T	| n new message  			| if nothing display "click to online"

 *  |	AR	| or n online friends	4	| Text Row 2

 *	-------------------------------------

 *  new message has higher priority than friends invite

 *  friends invite has higher priority than n online user

 *  any fried come online show for x second and go to back again

 *

 *  @lib servicewidgetplugin

 *  @since S60 3.2

 */

class CServiceWidgetServiceManager 	: public CBase,

									  public MServiceWidgetNewMessageObserver,

									  public MServiceWidgetPresenceObserver,

									  public MServiceWidgetServiceStateObserver,

									  public MServiceWidgetTimerObserver

	{

	public:

		// to change priority , rearange this

		enum TIMWidgetContentPriority

			{

			EIMUknown = -1,  // no priority

			EIMNewMessage = 0, // highest priority

			EIMFriendInvite,

			EIMPresence,	 // lowest priority

			};

		/**

		* Two-phased constructor.

		* @param aServiceId, a service id

		* @param aContentPublisher, content publisher reference

	    * @param aSettingStore, reference to settings store

		* @return the instance of same class

		*/

		static CServiceWidgetServiceManager* NewL(TUint32 aServiceId,

											      CServiceWidgetContentPublisher& aContentPublisher,

											      MVIMPSTSettingsStore& aSettingStore );

		/**

		* Standard C++ destructor

		*/    

		~CServiceWidgetServiceManager();

public : // new method

    /**

     * update the content in widgets

     */

    void UpdateContentsL();

    /**

     * Returns the service ID for which Service Manager is created

     */

    TInt ServiceId();

    /**

     * Unregisters widget when service is deleted

     */

    void UnregisterWidgetL();

    /**

     * Registers widget when service is installed

     */

    void RegisterWidgetL();

    /**

     * Returns the service Name for which Service Manager is created

     */

    const TDesC& ServiceName();

    /**

     * Intialize all objects once widget is Activated on Home Screen

     */

    void ActivateWidgetL(TDesC& aInstId);

    /**

     * destroy all objects once widget is deactivated from Home Screen

     */

    void DeactivateWidgetL(TDesC& aInstId);

    /**

     *Executes action based on iExecuteOperation

     */

    void ExecuteActionL();

public : // MServiceWidgetContentPrioritizer

    /**

     * from MServiceWidgetNewMessageObserver

     * Gets called when data update is available as new messgae recieved.

     * Client can then decide wether to use the old one

     * or the updated one.

     * @param aSenderId, sender name

     * @param aMessageText, new message details

     */

    void HandleNewMessageL(const TDesC& aSenderId ,

            const TDesC& aMessageText ) ;

    /**

     * from MServiceWidgetNewMessageObserver

     * im cache call back 

     * @param aState service state

     */   

    void HandleCountChangedL();

    /**

     * from MServiceWidgetPresenceObserver

     * Handler for own status change notification

     */    

    void HandleOwnStatusChangeL(TWSPresenceStatus aStatus) ;

    /**

     * from MServiceWidgetPresenceObserver

     * Handler for AllBuddiesPresenceInService method of MPresenceCacheReader.

     * @param aErrorCode 

     * @param aPresenceBuddyInfoList presence infos for all buddies requested. 

     * Ownership to callee. Can be null if not found.

     */    

    void HandleChangeL() ;

    /**

     * from MServiceWidgetPresenceObserver

     * Handler for AllBuddiesPresenceInService method of MPresenceCacheReader.

     * @param aErrorCode 

     * @param aPresenceBuddyInfoList presence infos for all buddies requested. 

     * Ownership to callee. Can be null if not found.

     */    

    void HandleBuddyPresenceChangeL( const TDesC& aBuddyId, 

                                     TWSPresenceStatus aStatus,

                                     const TDesC& aStatusText );

    /**

     * from MServiceWidgetPresenceObserver

     * Gets called when data update is available as new messgae recieved.

     * Client can then decide wether to use the old one

     * or the updated one.

     * @param aSenderId, sender name

     * @param aMessageText, new message details

     */

    void HandleAddRequestL(const TDesC& aRequesterId )   ;

    /**

     * from MServiceWidgetServiceStateObserver

     * Handler cch server 

     * @param aState service state

     */   

    void HandleServiceStatusChangedL(TSWSTRegistrationState aState) ;

    /**

     * from MServiceWidgetTimerObserver

     * timer expiration call back

     * @param aState service state

     */   

    void HandleTimerExpiredL();

    /**

         * WidgetSuspended

         * @param aIsWidgetSuspended True - widget is suspended on Homescreen

         *                           False - Widget is active

         */   

    void WidgetSuspended( TBool aIsWidgetSuspended );

	private:

		/**

		* Constructor

		* @param aServiceId, a service id

		* @param aContentPublisher, content publisher reference

		* @param aSettingStore, reference to settings store

		*/   

		CServiceWidgetServiceManager(TUint32 aServiceId,

								     CServiceWidgetContentPublisher& aContentPublisher,

								     MVIMPSTSettingsStore& aSettingStore );

		/**

		* provides the two phase construction

		*/  

		void ConstructL();

		/**

		* load the resource file in memory for use

		*/  

		void LoadResourceFileL();

    /**

     * read and set the current data

     */   

    void SetCurrentTextDataL();

    /**

     * create the second row data

     * @return created text : ownership transfer to caller

     */   

    HBufC* GetSecondRowDataLC() ;

		/**

		* create all handlers if service enable 

		* delete all handlers if service loggedoff

		* @param aState service state

		*/   

		void CreateHandlersL();

    /**

     * reset the priority to zero

     */   

    inline void ResetPriority()

        {

        iPriority = 0 ;	

        }

	private :

		// owns : service id 

          TInt iServiceId;

		//not owns : Publisher client

		CServiceWidgetContentPublisher& iContentPublisher;

		//not owns : settings store

		MVIMPSTSettingsStore& iSettingStore;

		// owns : cch handler	

		CServiceWidgetCchHandler* iCchHandler;

    	// owns : presence handler

		CServiceWidgetPresenceHandler* iPresenceHandler;

    	// owns : message handler

		CServiceWidgetMessageHandler* iMessageHandler;

    	// owns : current priority  for second row box 

		TInt iPriority;

    	// owns : service state

		TSWSTRegistrationState iServiceState;

    	// owns : timer

		CServiceWidgetTimer* iWidgetTimer;

		// owns : 

        TSWAExecuteOperation iExecuteOperation;

	     //owns : brand icons 

		CServiceWidgetBrandHandler* iBrandHandler;

		// Not owns : A static CEikonEnv

	    CCoeEnv* iEnv;

	    //tabview id for the service

	    TInt iServiceviewId;

       //owns : service Name

       HBufC* iServiceName;

       // ETrue if widget is suspended

       TBool iIsWidgetSuspended;

       //Widget InstanceId

       HBufC* iInstId;

			   // Service tab UID from spsettings

        TInt iServiceTabUid;

	    };

#endif  // CSERVICEWIDGETSERVICEMANAGER_H

// End of File