engine/collectionframework/thumbnailcreator/inc/glxtnstd.h
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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   Global defs
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*
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*/
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/**
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 * @internal reviewed 30/07/2007 by Simon Brooks
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 */
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#ifndef _GLXTNSTD_H
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#define _GLXTNSTD_H
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#include "glxid.h"
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#include <e32base.h>
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class TGlxTasktnIdTypeBase {}; // Don't use this
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typedef TGlxId<TGlxTasktnIdTypeBase> TGlxtnTaskId;	// Use this
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// Thumbnail task Ids
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const TUint KGlxtnTaskIdGenerateThumbnail = 1;
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const TUint KGlxtnTaskIdSaveThumbnail = 2;
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const TUint KGlxtnTaskIdBackgroundThumbnailGeneration = 3;
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const TUint KGlxtnTaskIdQuickThumbnail = 4;
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const TUint KGlxtnTaskIdDeleteThumbnails = 5;
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const TUint KGlxtnTaskIdFilterAvailable = 6;
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const TUint KGlxtnTaskIdCleanupThumbnails = 7;
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const TUint KGlxtnTaskIdZoomedThumbnail = 8;
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// Task priorities
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const TInt KGlxTaskPriorityCreateList = CActive::EPriorityStandard + 1;
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const TInt KGlxTaskPriorityFetchProperties = KGlxTaskPriorityCreateList - 1;
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const TInt KGlxTaskPriorityForegroundThumbnailProvisioning = KGlxTaskPriorityFetchProperties - 1;
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const TInt KGlxTaskPriorityFileSystemScan = KGlxTaskPriorityForegroundThumbnailProvisioning - 1;
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const TInt KGlxTaskPriorityBackgroundThumbnailProvisioning = EPriorityLow;
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const TInt KGlxTaskPriorityBackgroundThumbnailGenerator = EPriorityLow - 1;
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// Thumbnail availablity
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const TInt KGlxThumbnailAvailable = 0;
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const TInt KGlxThumbnailNotAvailable = 1;
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/**
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 * Thumbnail image formats
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 */
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enum TGlxImageDataFormat 
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	{
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	EGlxIDF_Bitmap, // Externalised CFbsBitmap
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	EGlxIDF_JPEG    // Encoded with JPEG format
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	};
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#endif // _GLXTNSTD_H