/*

* Copyright (c) 2010 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:   Internal extensions

*

*/

#ifndef __HUIEXTENSION_H__

#define __HUIEXTENSION_H__

#include <e32std.h>

// Uid for Query visual extension

const TUid KHuiVisualQueryUid = { 0x2002C36B };

// Parameter structure for Query visual extension

struct THuiVisualQueryParams

    {

    enum TQueryType

        {

        // iResult contains canvas flags

        EQueryCanvasFlags,

        // iResult contains positive value if external content drawing enabled, 0 otherwise.

        EQueryExternalContentDrawingEnabled,

        // iResult contains positive value if this has something to draw, 0 otherwise.

        EQueryHasDrawableContent

        };

    // Query type (in)

    TQueryType iQueryType;

    // Result of query (out)

    TInt iValue;

    // Error code (out). This should be filled with KErrNotSupported by caller and visual should modify to KErrNone.

    TInt iResult;

    };

#endif // __HUIEXTENSION_H__