photosgallery/collectionframework/thumbnailcreator/inc/glxtnstd.h
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     1 /*
       
     2 * Copyright (c) 2008-2009 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:    Global defs
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 /**
       
    22  * @internal reviewed 30/07/2007 by Simon Brooks
       
    23  */
       
    24 
       
    25 
       
    26 #ifndef _GLXTNSTD_H
       
    27 #define _GLXTNSTD_H
       
    28 
       
    29 #include "glxid.h"
       
    30 #include <e32base.h>
       
    31 class TGlxTasktnIdTypeBase {}; // Don't use this
       
    32 typedef TGlxId<TGlxTasktnIdTypeBase> TGlxtnTaskId;	// Use this
       
    33 
       
    34 // Thumbnail task Ids
       
    35 const TUint KGlxtnTaskIdGenerateThumbnail = 1;
       
    36 const TUint KGlxtnTaskIdSaveThumbnail = 2;
       
    37 const TUint KGlxtnTaskIdBackgroundThumbnailGeneration = 3;
       
    38 const TUint KGlxtnTaskIdQuickThumbnail = 4;
       
    39 const TUint KGlxtnTaskIdDeleteThumbnails = 5;
       
    40 const TUint KGlxtnTaskIdFilterAvailable = 6;
       
    41 const TUint KGlxtnTaskIdCleanupThumbnails = 7;
       
    42 const TUint KGlxtnTaskIdZoomedThumbnail = 8;
       
    43 
       
    44 // Task priorities
       
    45 const TInt KGlxTaskPriorityCreateList = CActive::EPriorityStandard + 1;
       
    46 const TInt KGlxTaskPriorityFetchProperties = KGlxTaskPriorityCreateList - 1;
       
    47 const TInt KGlxTaskPriorityForegroundThumbnailProvisioning = KGlxTaskPriorityFetchProperties - 1;
       
    48 const TInt KGlxTaskPriorityFileSystemScan = KGlxTaskPriorityForegroundThumbnailProvisioning - 1;
       
    49 const TInt KGlxTaskPriorityBackgroundThumbnailProvisioning = EPriorityLow;
       
    50 const TInt KGlxTaskPriorityBackgroundThumbnailGenerator = EPriorityLow - 1;
       
    51 
       
    52 // Thumbnail availablity
       
    53 const TInt KGlxThumbnailAvailable = 0;
       
    54 const TInt KGlxThumbnailNotAvailable = 1;
       
    55 
       
    56 
       
    57 
       
    58 /**
       
    59  * Thumbnail image formats
       
    60  */
       
    61 enum TGlxImageDataFormat 
       
    62 	{
       
    63 	EGlxIDF_Bitmap, // Externalised CFbsBitmap
       
    64 	EGlxIDF_JPEG    // Encoded with JPEG format
       
    65 	};
       
    66 
       
    67 #endif // _GLXTNSTD_H