/*

* Copyright (c) 2009 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:  Functional implentation of PIM service.

*

*/

#ifndef CPIMHANDLER_H

#define CPIMHANDLER_H

// INCLUDES

#include <e32base.h>

#include <s32mem.h>

#include <HTIServicePluginInterface.h>

#include <MVPbkBatchOperationObserver.h>

#include <MVPbkContactCopyObserver.h>

#include <MVPbkContactStoreObserver.h>

#include <MVPbkContactViewObserver.h>

#include <calprogresscallback.h>

// CONSTANTS

// FORWARD DECLARATIONS

class CVPbkContactManager;

class CVPbkVCardEng;

class CCalSession;

class CCalEntryView;

// CLASS DECLARATION

/**

*  Functional implentation of PIM service.

*/

class CPIMHandler : public CBase,

                    public MVPbkContactStoreObserver,

                    public MVPbkContactCopyObserver,

                    public MVPbkContactViewObserver,

                    public MVPbkBatchOperationObserver,

                    public MCalProgressCallBack

    {

    public:

        static CPIMHandler* NewL();

        // Interface implementation

        void ProcessMessageL( const TDesC8& aMessage,

            THtiMessagePriority aPriority );

        TBool IsBusy();

        virtual ~CPIMHandler();

        void SetDispatcher( MHtiDispatcher* aDispatcher );

        // From MVPbkContactStoreObserver

        /**

         * Called when a contact store is ready to use.

         */

        void StoreReady( MVPbkContactStore& aContactStore );

        /**

         * Called when a contact store becomes unavailable.

         * @param aContactStore The store that became unavailable.

         * @param aReason The reason why the store is unavailable.

         *                This is one of the system wide error codes.

         */

        void StoreUnavailable( MVPbkContactStore& aContactStore, TInt aReason );

        /**

         * Called when changes occur in the contact store.

         * @param aContactStore The store the event occurred in.

         * @param aStoreEvent   Event that has occured.

         */

        void HandleStoreEventL( MVPbkContactStore& aContactStore,

                                TVPbkContactStoreEvent aStoreEvent);

        // From MVPbkContactCopyObserver

        /**

         * Called when the contact has been successfully commited or

         * copied. Caller takes the ownership of results.

         * @param aOperation    The operation that this observer monitors.

         * @param aResults  An array of links to copied contacts.

         *                  Caller takes the ownership of the

         *                  object immediately.

         */

        void ContactsSaved( MVPbkContactOperationBase& aOperation,

            MVPbkContactLinkArray* aResults );

        /**

         * Called when there was en error while saving contact(s).

         * @param aOperation    The operation that this observer monitors.

         * @param aError an error that occured.

         */

        void ContactsSavingFailed(

                MVPbkContactOperationBase& aOperation, TInt aError );

        // From MVPbkContactViewObserver

        /**

         * Called when a view is ready for use.

         */

        void ContactViewReady( MVPbkContactViewBase& aView );

        /**

         * Called when a view is unavailable for a while.

         */

        void ContactViewUnavailable( MVPbkContactViewBase& aView );

        /**

         * Called when a contact has been added to the view.

         */

        void ContactAddedToView( MVPbkContactViewBase& aView,

                                 TInt aIndex,

                                 const MVPbkContactLink& aContactLink );

        /**

         * Called when a contact has been removed from a view.

         */

        void ContactRemovedFromView( MVPbkContactViewBase& aView,

                                     TInt aIndex,

                                     const MVPbkContactLink& aContactLink );

        /**

         * Called when an error occurs in the view.

         */

        void ContactViewError( MVPbkContactViewBase& aView,

                               TInt aError,

                               TBool aErrorNotified );

        // From MVPbkBatchOperationObserver

        /**

         * Called when one step of the operation is complete

         */

        void StepComplete( MVPbkContactOperationBase& aOperation,

                           TInt aStepSize );

        /**

         * Called when one step of the operation fails

         */

        TBool StepFailed( MVPbkContactOperationBase& aOperation,

                          TInt aStepSize, TInt aError );

        /**

         * Called when operation is completed

         */

        void OperationComplete( MVPbkContactOperationBase& aOperation );

        // From MCalProgressCallBack

        void Progress( TInt aPercentageCompleted );

        void Completed( TInt aError );

        TBool NotifyProgress();

    private:

        CPIMHandler();

        void ConstructL();

    private: // helpers

        void HandleVCardImportFuncL( const TDesC8& aData );

        void HandleVCalendarImportFuncL( const TDesC8& aData );

        void HandleContactDeleteFuncL( const TDesC8& aData );

        void HandleCalendarDeleteFuncL( const TDesC8& aData );

        void HandleNotepadAddMemoFuncL( const TDesC8& aData );

        void HandleNotepadAddMemoFromFileFuncL( const TDesC8& aData );

        void HandleNotepadDeleteAllFuncL();

        void CreateContactDeleteViewL();

        void DeleteContactsInViewL();

        void SendOkMsgL( const TDesC8& aData );

        void SendNotepadOkMsgL( CHtiPIMServicePlugin::TCommand aCommand );

        void SendErrorMessageL( TInt aError, const TDesC8& aDescription );

    private: // data

        TUint8                iCommand;

        TBool                 iIsBusy;

        CBufFlat*             iBuffer;

        RBufReadStream        iReadStream;

        CCalSession*          iCalSession;

        CCalEntryView*        iEntryView;

        CVPbkContactManager*  iContactManager;

        CVPbkVCardEng*        iVCardEngine;

        MVPbkContactStore*    iContactStore;

        MVPbkContactOperationBase* iOp;

        MVPbkContactViewBase* iContactView;

        MHtiDispatcher*       iDispatcher; // referenced

        CActiveSchedulerWait* iWaiter;

        TInt                  iEntryViewErr;

    };

#endif // CPIMHANDLER_H