/*

* 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:  Helper class for checking synch state.

*

*/

#ifndef CCASYNCCHECKER_H

#define CCASYNCCHECKER_H

#include "ccawaitnote.h"

#include "MCAUiGlobalNotificationObserverPC.h"

#include "TEnumsPC.h"

#include "e32base.h"

// FORWARD DECLARATIONS

class CCAAppUi;

class MCAGlobalNotificationObserverPC;

//CLASS DECLARATION

/**

 *  Helper class for checking synch state.

 *

 *  @lib chatng.exe

 *  @since S60 v3.1

 */

class CCASyncChecker : public CBase,

            MCAWaitNoteObserver,

            MCAUiGlobalNotificationObserverPC

    {

    private: // construction

        /**

         * Create synch checker

         * @return ETrue if success. EFalse if fail

         */

        static CCASyncChecker* NewLC();

        /**

         * Destruction

         */

        ~CCASyncChecker();

    private: // Helper methods

        /**

         * Wait for sync to complete.

         * @return success.

         */

        TBool WaitForSyncCompleteL();

        /**

         * Check online state

         * @return ETrue if online

         */

        TBool LoggedIn();

    public: // New functions

        /**

         * Check synch

         * If this is called when client is not logged in, it will return EFalse.

         * @return ETrue if success. EFalse if fail

         */

        static TBool CheckSyncStateL();

    public: //From MCAUiGlobalNotificationObserverPC

        /**

         * @see MCAUiGlobalNotificationObserverPC

         */

        virtual void HandleDelete( const TDesC& aContactId , TEnumsPC::TItem type );

        /**

         * @see MCAUiGlobalNotificationObserverPC

         */

        virtual void HandleAddition( TEnumsPC::TItem type );

        /**

         * @see MCAUiGlobalNotificationObserverPC

         */

        virtual void HandleChange( TEnumsPC::TItem aType, TEnumsPC::TChange aChangeType );

        /**

        * @see MCAUiGlobalNotificationObserverPC

        */

        virtual void HandleInvitationEventL( TEnumsPC::TInviteType /*aInviteType*/,

                                             const TDesC& /*aUserId*/, const TDesC& /*aMessage*/ )

            {

            //dummy implementation

            };

        /**

         * @see MCAUiGlobalNotificationObserverPC

         */

        virtual void HandleInvitationResponse( TBool /*aAcceptance*/, const TDesC& /*aUserId*/,

                                               const TDesC& /*aGroupName*/, const TDesC& /*aResponse*/ )

            {

            //dummy implementation

            };

        /**

         * @see MCAUiGlobalNotificationObserverPC

         */

        virtual void HandleSettingsChangeL( TInt /*aChangedSettingEnum*/ )

            {

            //dummy implementation

            };

        /**

         * @see MCAUiGlobalNotificationObserverPC

         */

        virtual void HandleChatEvent( const TEnumsPC::TChatEventType /*aEvent*/,

                                      const TDesC& /*aWvid*/, const TDesC& /*aContactId*/,

                                      const TDesC& /*aMessage*/,

                                      const TEnumsPC::TMessagerType /*aMsgrType*/,

                                      const TEnumsPC::TMessageType /*aMsgType*/ )

            {

            //dummy implementation

            };

        /**

        * To handle error condition in message related event

        * aError: error id

        * aInfo: error detail

        */

        virtual void HandleMessageError( TInt /*aError*/, const TDesC& /*aInfo*/ )

            {

            //dummy implementation

            };

    private: // from MCAWaitNoteObserver

        /**

         * @see MCAWaitNoteObserver

         */

        void NoteCanceled( TInt aButtonId );

    private:

        /*

        * Default constructor

        */

        CCASyncChecker();

    private: // Data

        // Is wait note canceled by user.

        TBool iWaitNoteCanceled;

        // Owned. Wait note.

        CCAWaitNote* iWaitNote;

        //active scheduler wait

        CActiveSchedulerWait iWait;

        //Pointer to app ui. Doesnt own.

        CCAAppUi* iAppUi;

        //Pointer to the global notification observer

        MCAGlobalNotificationObserverPC* iGlobalNotificationPC;

    };

#endif // CCASYNCCHECKER_H