author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 00:10:37 +0200 | |
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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: Common utility for thumbnail attributes |
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* |
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*/ |
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#ifndef __GLXTHUMBNAILUTILITY_H__ |
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#define __GLXTHUMBNAILUTILITY_H__ |
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#include <mpxattribute.h> |
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// Forward declarations |
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class CGlxMedia; |
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/** |
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* Common utility for thumbnail attributes |
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* |
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* @author Dan Rhodes |
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* @ingroup glx_media_lists |
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*/ |
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NONSHARABLE_CLASS( GlxThumbnailUtility ) |
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{ |
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public: |
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/** |
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* Find the closest available thumbnail to a given size for a media item. |
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* @param aDesiredSize Size of thumbnail required |
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* @param aMedia Media item whose attributes are to be searched |
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* @param aDrmValid If false, the function will not return a thumbnail |
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bigger than the requested size |
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* @return TInt Index of closest attribute, or KErrNotFound if none found |
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*/ |
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IMPORT_C static TInt ClosestThumbnail( const TSize& aDesiredSize, |
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const CGlxMedia& aMedia, TBool aDrmValid ); |
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/** |
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* Check from the attributes if there is a full thumbnail available . |
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* @param aAttr attribute to check |
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* @return ETrue if full thumbnail found, else EFalse |
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*/ |
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IMPORT_C static TBool IsFullThumbnail(const TMPXAttribute& aAttr); |
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private: |
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/** |
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* Determine if this attribute should be preferred to that already selected |
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* @param aThisDimen dimension describing this attribute |
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* @param aSelectedDimen dimension describing the attribute already selected |
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* @param aReqDimen the required dimension |
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* @param aQuality the quality of the bitmap of this attribute |
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* @param aSelectedQuality the quality of the bitmap of the attribute already selected |
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* @param aDrmValid EFalse for item which has invalid DRM rights |
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* @return ETrue if this attribute is preferred, else EFalse |
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*/ |
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static TBool PreferThisAttribute( |
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TInt aThisDimen, TInt aSelectedDimen, TInt aReqDimen, |
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TInt aThisQuality, TInt aSelectedQuality, TBool aDrmValid ); |
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}; |
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#endif // __GLXTHUMBNAILUTILITY_H__ |
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