/*

* Copyright (c) 2005 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:  

*     Bio control for iCalendar messages.

*

*/

#ifndef CICALBC_H

#define CICALBC_H

// INCLUDES

#include <coecobs.h>          // for MCoeControlObserver

#include <eikbctrl.h>         // for CEikBorderedControl

#include <msgbiocontrol.h>    // for CMsgBioControl

#include <MMsgBioControlExtension.h> // for MMsgBioControlExtension

#include <MMailAppUiInterface.h>

#include <CMailMessageView.h>

#include <MMailMessageView.h>

// FORWARD DECLARATIONS

class CEikStatusPane;

class CMsvAttachment;

class CMsgBaseControl;

// CLASS DECLARATION

/**

 * Bio control for Calendar messages.

 */

class CICalendarBioControl: public CMsgBioControl,

                            public MMailAppUiInterface

    {

    public:

        /**

         * Two-phased constructor

         * @param aObserver Reference to the Bio control observer.

         * @param aSession Reference to Message Server session.

         * @param aId Id of the message.

         * @param aEditorOrViewerMode Flags the new Bio control as editor or viewer.

         * @param aFile filehandle.

         * @return The newly created object.

         */

        IMPORT_C static CMsgBioControl* NewL(

            MMsgBioControlObserver& aObserver,

            CMsvSession* aSession,

            TMsvId aId,

            TMsgBioMode aEditorOrViewerMode,

            const RFile* aFile );

         /// Destructor

        ~CICalendarBioControl();

    public: //from MMsgBioControl

        void SetAndGetSizeL(TSize& aSize);

        void SetMenuCommandSetL(CEikMenuPane& aMenuPane);

        TBool HandleBioCommandL(TInt aCommand);

        TRect CurrentLineRect() const;

        TBool IsFocusChangePossible(TMsgFocusDirection aDirection) const;

        HBufC* HeaderTextL(void) const;

        TInt VirtualHeight();

        TInt VirtualVisibleTop();

        TBool IsCursorLocation(TMsgCursorLocation aLocation) const;

    public: // from MMailMessageInterface

		void AddAttachmentL( CMsvAttachment& aAttachmentInfo,

        	                 TBool aCanBeRemoved );

        void AddControlL(CCoeControl& aControl);

        //void AddControlL(CMsgBaseControl& aControl);

        void AddControlL(TInt aControlType);

        void AddControlL(MMailMsgBaseControl& aControl);

        CCoeControl& ParentControl();

        CEikStatusPane* StatusPane();

        void StartWaitNoteL(/*const TDesC& aText*/);

        void StopWaitNote();

        void SetTitleTextL(TInt aResourceId);

        void SetAddressFieldTextL(TInt aControlType, CDesCArray& aText);

        void SetAddressFieldTextL(TInt aControlType, TDesC& aText);

        void SetBodyTextL(CRichText& aText);

        void SetSubjectL(const TDesC& aText);

        TRect MsgViewRect(TInt aPane);

        void AppUiHandleCommandL(TInt aCommand);

        TBool IsNextMessageAvailableL( TBool aForward );

		void NextMessageL( TBool aForward );

    protected: // from CCoeControl

        TInt CountComponentControls() const;

        CCoeControl* ComponentControl(TInt aIndex) const;

        void SizeChanged();

        void FocusChanged(TDrawNow aDrawNow);

        void SetContainerWindowL(const CCoeControl& aContainer);

        TKeyResponse OfferKeyEventL(

            const TKeyEvent& aKeyEvent,

            TEventCode aType);

    private: //new functions

		/**

		* Opens a read stream. Puts a stream cleanup (closing) item on the

		* cleanup stack.

		* @param aStream The stream that is to be opened.

		* @param aFile File handle from which the stream is to be opened.

		*/

		void OpenStreamLC(RFileReadStream& aStream,

    		TFileName& aFileName);

        /**

         * This is needed because the menuPane adding is done in a different

         * way in BVA than in SMS Editor/Viewer.

         * @param aMenuPane Reference to the menu pane.

         * @param aStringRes String resource ID of the command text.

         * @param aCommandOffset Offset in the Options list.

         */

        void FileBasedAddMenuItemL(CEikMenuPane& aMenuPane,

            TInt aStringRes, TInt aCommandOffset);

    private: //construction

        /**

         * The constructor.

         * @param aObserver MMsgBioControlObserver

         * @param aSession CMsvSession, the Message Server session.

         * @param aId Id of the message in Message Server.

         * @param aEditorOrViewerMode Flags the control as being either editor or viewer

         * @param aFile filehandle.

         */

        CICalendarBioControl(

            MMsgBioControlObserver& aObserver,

            CMsvSession* aSession,

            TMsvId aId,

            TMsgBioMode aEditorOrViewerMode,

            const RFile* aFile );

        /// Second phase constructor.

        void ConstructL();

    private:

        TBool iIsFileBased;

        /// The viewer control

        CCoeControl* iViewer;

        CCoeControl* iParentControl;

        MMailMessageView* iICalContainer;

        RFileReadStream iVCalStream;

        TDesC* iResourceFile;

        TInt iTitleResourceID;

    };

#endif // CICALBC_H

// End of file