/*

* Copyright (c) 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:

* loads widget manager resources and icons

*

*/

#ifndef WMRESOURCELOADER_H_

#define WMRESOURCELOADER_H_

// INCLUDE FILES

#include <e32base.h>

// FORWARD DECLARATIONS

class CAknStylusPopUpMenu;

class CEikonEnv;

class CAknButton;

class CAknInformationNote;

/**

 * CWmResourceLoader

 */

NONSHARABLE_CLASS( CWmResourceLoader ) : public CBase

    {

public: // construction/destruction

	/** 

	 * static constructor 

	 * 

	 * @param aCoeEnv Control environment.

	 */

	static CWmResourceLoader* NewL(

	        CEikonEnv& aEnv );

	/** destructor */

	~CWmResourceLoader();

public: // services

    /**

     * Loads a button from the widgetmanager resource file

     * using CAknButton::ConstructFromResourceL

     * 

     * @param aResource handle to the empty button instance

     * @param aResourceId ID of the resource to use in loading

     */

    void LoadButtonL(

            CAknButton& aResource,

            TInt aResourceId );

    /**

     * shows a simple info popup with OK button

     * @param aResourceId the resource id of string to be shown

     * @param aString additional string to be replaced into %U

     */

    void InfoPopupL( TInt aResourceId, const TDesC& aString );

    /**

     * shows a standard error popup

     * @param aErrorCode a system-wide standard error code 

     */

    void ErrorPopup( TInt aErrorCode );

    /** icon file path */

    const TDesC& IconFilePath();

    /** default no description text */

    const TDesC& NoDescriptionText();

private: // internal methods

    /** constructor */

    CWmResourceLoader(

            CEikonEnv& aEnv );

    /** 2nd phase constructor */

    void ConstructL();

    /** load the resource */

    void LoadResourcesL();

    /** free resources */

    void UnloadResources();

    /** find icon file path */

    void DetermineIconFilePath();

private: // members

    /**

     * the environment

     */

    CEikonEnv&    iEnv;

    /**

     * name of this DLL

     */

    TFileName   iDllName;

    /**

     * resource file offset

     */

    TInt        iResourceFileOffset;

    /**

     * ICON file

     */

    TFileName   iMifFile;

    /**

     * info note dialog

     */

    CAknInformationNote *iNote;

    /**

     * Default description text

     */    

    HBufC*      iDescription;

    };

#endif // WMRESOURCELOADER_H_