/*

* Copyright (c) 2002-2004 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:  Message Vcal view

*

*/

#ifndef __CMAILMESSAGEICALVIEW_H

#define __CMAILMESSAGEICALVIEW_H

#include <coedef.h>

#include <w32std.h>

#include <bldvariant.hrh>

#include <MSVSTD.H>

#include <CMailMessageView.h>

#include <MMailAppUiInterface.h>

#include <MAgnEntryUi.h>

#include <CMailMessage.h>

// FORWARD DECLARATIONS

class CEikMenuPane;

class CICalEngine;

class CMailMessage;

class CMailMessageView;

class MMailMessageView;

class MMailAppUiInterface;

class CIdle;

class TMsvEmailEntry;

class CCalenImporter;

class CICalViewerView;

class CICalAttaLoader;

// CLASS DECLARATION

/**

*  Mail message ical viewer

*  ICal message viewer plug-in.

*  @since Series 60 3.0

*/

class CICalViewer : public CMailMessageView, MAgnEntryUiCallback

    {

    public:  // Constructors and destructor

        /**

        * NewL

        * Called from the ECOM plug-in framework.

        */

        static CICalViewer* NewL();

        /**

        * Destructor.

        */

        ~CICalViewer();

   private: // constructors

        void ConstructL();

        CICalViewer();

    public: // from MMailMessageView

        void ViewMessageL(

			RFileReadStream& aReadStream,

			MMailAppUiInterface& aUICallBack);

        void ViewMessageL(

			CMailMessage& aMessage,

            MMailAppUiInterface& aUICallBack,

            TUint& aParam);

        void DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane);

        TBool HandleCommandL(TInt aCommand);

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

        const TDesC& ResourceFile();

        void MessageLoadL(TInt aState, CMailMessage& aMessage);

	private: // From MAgnEntryUiCallback		

		TBool IsCommandAvailable( TInt aCommandId );

		TInt ProcessCommandWithResultL( TInt aCommandId );

		void ProcessCommandL( TInt aCommandId );

   private:

        void CreateControlsL();

        void CreateListBoxL();

		void DoOMRViewerLaunchL();

		void DoViewMessageL( TUid aMtmUid );

		void DoGetCorrectDllDriveL( TFileName& aDriveName );

        void ParseMessageToCalEntryL(CMailMessage& aMessage);

        static TInt IdleTimerCallbackL(TAny* iCalViewer);

    private:

    	// Ref to app UI

        MMailAppUiInterface* iAppUi;

		// own: readstream for ical message

        RReadStream iStream;

        // own: idle callback to launch omr viewers

        CIdle* iIdleLauncher;

        // own: MR View control

        CICalViewerView* iICalView;

        // own: attachment loader

        CICalAttaLoader* iAttaLoad;

        // own: parsed Meeting Request entry

        RPointerArray<CCalEntry> iEntries;

        // own: entry ui in params for MAgnEntryUI

        MAgnEntryUi::TAgnEntryUiInParams* iEntryUiInParams;

        // own: entry ui out params for MAgnEntryUI

        MAgnEntryUi::TAgnEntryUiOutParams* iEntryUiOutParams;

        // own: resource file, placed in heap due to large size

        HBufC* iResourceFile;

        // For parameter parsing to entry ui params

        TMsvEmailEntry iMsg;

        // Calender session

        CCalSession* iSession;

        // CAgnEntryUI return value

        TInt iRetVal;

        // CalenImporter

        CCalenImporter* iImporter;

        // Internal status flag

        TUint32 iFlags;

    };

#endif      // CMailMessageVcalView_H

// End of File