/*

* Copyright (c) 2008 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: MBUtils ECOM definition

*

*/

#ifndef C_MRBCPLUGINRESOURCEREADER_H

#define C_MRBCPLUGINRESOURCEREADER_H

#include <e32base.h>

#include <barsc.h>

#include <babitflags.h>

#include "tmrbcplugincommand.h"

#include "esmrdef.h"

class CMRBCEventPlugin;

class MCalenServices;

/**

 * CMRBCPluginResourceReader reads BC Plug-In resource file

 * information.

 * @see mrbcplugin.rh

 */

NONSHARABLE_CLASS( CMRBCPluginResourceReader ) : public CBase

    {

public: // Constrction and destruction

    /**

     * Creates and initializes new CMRBCPluginResourceReader object.

     * @param aCalenServices Reference to calendar services

     */

    static CMRBCPluginResourceReader* NewL(

            MCalenServices& aCalenServices );

    /**

     * C++ destructor

     */

    ~CMRBCPluginResourceReader();

public: // Interface 

    /**

     * Reads resource information from file.

     * @param aResourceFile

     */

    void ReadFromResourceFileL(

            TUid aUid,

            const TDesC& aResourceFile );

    /**

     * Version information

     * @return Version information

     */

    TVersion Version() const;

    /**

     * Tests if BC plugin resource supports specified type

     * @param aEventType Specifies event type

     * @return ETrue if event type is supported, EFalse otherwise

     */

    TBool SupportsType( TBCPluginEventType aEventType ) const;

    /**

     * Tests if specified command is supported

     * @param aCommand Specifies the command

     * @return ETrue if command is supported, EFalse otherwise

     */

    TBool SupportsCommand( TInt aCommand ) const;

    /**

     * Fetches command from resource.

     * @param aCommand Command to be executed

     * @param aPluginCommand On return contains the fecthed plug-in command

     * @return KErrNone if command is found, KErrNotFound otherwise 

     */

    TInt Command( 

            TInt aCommand, 

            TMRBCPluginCommand& aPluginCommand) const; 

    /**

     * Fetches plugin implemenation UID

     * @return plugin implemenation UID

     */

    TUid PluginImplUid() const;

    /**

     * Fetches the plugin implemenation.

     * @return Plugin implementation

     */

    CMRBCEventPlugin& PluginL();

private: // Implementation    

    CMRBCPluginResourceReader(

            MCalenServices& aCalenServices );

    void ConstructL();

private: // Data

    /// Ref: Calender services

    MCalenServices& iCalenServices;

    /// Own: Resource reader

    RResourceFile iBCPluginResourceFile;

    /// Own: Plugin implementation UID

    TUid iPluginImplementationUid;

    /// Own: Resource file offset

    TInt iOffset;    

    /// Own: Version information

    TVersion iVersion;

    /// Own: Supported event types

    TBitFlags32 iSupportedEventTypes;    

    /// Own: Command IDs

    RArray<TMRBCPluginCommand> iPluginCommands;

    /// Own: Plugin implementation

    CMRBCEventPlugin* iPlugin;

    };

#endif // C_MRBCPLUGINRESOURCEREADER_H

// EOF