1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   Internal extensions

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef __HUIEXTENSION_H__

    21 #define __HUIEXTENSION_H__

    22 

    23 

    24 #include <e32std.h>

    25 

    26 // Uid for Query visual extension

    27 const TUid KHuiVisualQueryUid = { 0x2002C36B };

    28 

    29 // Parameter structure for Query visual extension

    30 struct THuiVisualQueryParams

    31     {

    32     enum TQueryType

    33         {

    34         // iResult contains canvas flags

    35         EQueryCanvasFlags,

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

    37         EQueryExternalContentDrawingEnabled,

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

    39         EQueryHasDrawableContent

    40         };

    41 

    42     // Query type (in)

    43     TQueryType iQueryType;

    44         

    45     // Result of query (out)

    46     TInt iValue;

    47     

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

    49     TInt iResult;

    50     };

    51 

    52 #endif // __HUIEXTENSION_H__