/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description: 

*

*/

#ifndef IMAGECONTROLLEROBSERVER_H

#define IMAGECONTROLLEROBSERVER_H

//  INCLUDES

//  FORWARD DECLARATIONS

/*	CLASS: MImageControllerObserver

*

*	MImageControllerObserver is an mixing class providing a callback API

*	for the observer of CImageController class.

*

*/

class MImageControllerObserver

{

public:

/** @name Methods:*/

//@{

	enum TOperationCode

	{

		/// Invalid

		EOperationCodeMin = 0,

		/// Loading images

		EOperationCodeLoad,

		/// Block loading images

		EOperationCodeBlockLoad,

		/// Saving images

		EOperationCodeSave,

		/// Block saving images

		EOperationCodeBlockSave,

		/// Deleting images

		EOperationCodeDelete,

		/// Renaming images

		EOperationCodeRename,

		/// Searching images

		EOperationCodeSearch,

		/// Invalid

		EOperationCodeMax

	};

//@}

/** @name Methods:*/

//@{

	/*	OperationReadyL

	*

	*	This method is called when asynchronous loading or saving operation

	*	is completed or when an error has occurred.

	*

	*	@param aOpId - operation ID

	*	@param aError - error code

	*	@return -

	*/

	virtual void OperationReadyL (

		TOperationCode		aOpId,

		TInt				aError 

		) = 0;

	/*	IncrementProgressBarL

	*

	*	This method is called to increment the progress bar when

	*	one step is completed.

	*

	*	@param - 

	*	@return -

	*/

	virtual void IncrementProgressBarL (const TInt aIncrement) = 0;

//@}

protected:

/** @name Methods:*/

//@{

//@}

/** @name Members:*/

//@{

//@}

private:

/** @name Methods:*/

//@{

//@}

/** @name Members:*/

//@{

//@}

};

#endif