/*

* Copyright (c) 2002-2009 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:  Mrviewer controller definition

*

*/

#ifndef CESMRVIEWERCTRL_H

#define CESMRVIEWERCTRL_H

//  INCLUDES

#include <MAgnEntryUi.h>

#include <CMRUtils.h>

#include <e32base.h>

#include "mmrinfoprovider.h"

// FORWARD DECLARATIONS

class CCalEntry;

class TCoeHelpContext;

class CMRDialogBase;

class CESMRUtils;

class CMRMailboxUtils;

class CActiveSchedulerWait;

class CESMRUiFactory;

class CMREntryProcessor;

class MESMRTaskExtension;

class CESMRPolicyManager;

class MESMRCalDbMgr;

// CLASS DECLARATION

/**

 * ESMRVIEWER controller is responsible for control logic and UI view

 * creation and execution.

 */

NONSHARABLE_CLASS(CESMRViewerController)  :

        public CBase,

        public MAgnEntryUiCallback,

        public MMRUtilsObserver,

        public MMRInfoProvider

    {

public:  // Constructors and destructor

    /**

    * Two-phased constructor.

    */

    IMPORT_C static CESMRViewerController * NewL(

            const TDesC8& aMtmuid,

            RPointerArray<CCalEntry>& aEntries,

            const MAgnEntryUi::TAgnEntryUiInParams& aParams,

            MAgnEntryUi::TAgnEntryUiOutParams& aOutParams,

            MAgnEntryUiCallback& aCallback );

    /**

    * Destructor.

    */

    IMPORT_C ~CESMRViewerController ();

public: // Implementation

    IMPORT_C void ExecuteL();

protected: // From MAgnEntryUICallback

    TBool IsCommandAvailable( TInt aCommandId );

    TInt ProcessCommandWithResultL( TInt aCommandId );

    void ProcessCommandL( TInt aCommandId);

protected: // From MMRUtilsObserver

    void HandleCalEngStatus( TMRUtilsCalEngStatus aStatus );

    void HandleOperation(

            TInt aType,

            TInt aPercentageCompleted,

            TInt aStatus );

protected: // From MMRInfoProvider

    MMRPolicyProvider& PolicyProvider() const;

    MESMRCalEntry* EntryL();

private: // Constructors and implementation

    CESMRViewerController(

            RPointerArray<CCalEntry>& aEntries,

            const MAgnEntryUi::TAgnEntryUiInParams& aParams,

            MAgnEntryUi::TAgnEntryUiOutParams& aOutParams,

            MAgnEntryUiCallback& aCallback );

    void ConstructL(const TDesC8& aMtmuid);

    TInt ProcessCommandWithResultInternalL(

            TInt aCommandId );

    void LaunchUIL();

    void LaunchCorrectOperationModeL();

    TInt ProcessDefaultCommandL( TInt aCommandId );

    TInt ProcessMeetingRequestCommandL( TInt aCommandId );

    void ChangeEntryTypeL( TInt aCommandId );

    void UpdateComparativeEntryInTypeChangeL( const CCalEntry& aOriginalEntry );

    void CancelAndDeleteMRInEntryTypeChangeL( 

            CCalEntry& entry, MESMRCalDbMgr& aDbMgr );

private: // Data

    /// Own: Operation error value

    TInt iExecutionError;

    /// Own: Pointer to ESMRUTILS handler

    CESMRUtils* iESMRUtils;

    // Ref: Oarameters from the launching application

    const MAgnEntryUi::TAgnEntryUiInParams iInParams;

    // Ref: Parameters for the launching application

    MAgnEntryUi::TAgnEntryUiOutParams& iOutParams;

    // Ref: callback for command handling

    MAgnEntryUiCallback& iCallback;

    // Ref: Calendar entries to be handled

    RPointerArray<CCalEntry>& iEntries;

    /// Own: MR UTILS syncher

    CActiveSchedulerWait* iCtrlSyncher;

    /// Own: UI factory

    CESMRUiFactory* iGuiFactory;

    /// Ref: Reference to entry processor

    CMREntryProcessor* iEntryProcessor;

    /// Ref: Reference to task extension

    MESMRTaskExtension* iTaskExt;

    /// Ref: Reference to policy manager

    CESMRPolicyManager* iPolicyMgr;

    /// Own: Current calendar entry to be handled

    CCalEntry* iCalEntry;

    };

#endif      // CMRHANDLER_H

// End of File