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/*
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* Copyright (c) 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: ThumbnailManager stub for testing MpSongData
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*
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*/
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#ifndef THUMBNAILMANAGER_QT_H_
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#define THUMBNAILMANAGER_QT_H_
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#include <QObject>
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#include <QPixmap>
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/** default priority value */
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const int tnmWrapperPriorityIdle = -100;
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class ThumbnailManager : public QObject
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{
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Q_OBJECT
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public:
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/** Thumbnail size. */
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enum ThumbnailSize
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{
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/**
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* Small thumbnail
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*/
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ThumbnailSmall = 0,
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/**
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* Medium thumbnail
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*/
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ThumbnailMedium,
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/**
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* Large thumbnail
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*/
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ThumbnailLarge
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};
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/** Mode of thumbnail creation. */
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enum ThumbnailMode
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{
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/**
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* Default mode. This means that:
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* - Thumbnail must be as large as requested (unless the actual object is smaller).
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* - Smaller thumbnails may be up scaled to desired resolution.
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* - Aspect ratio is maintained and thumbnails are not cropped. The
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* resulting thumbnail may smaller in either width or height if
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* the aspect ratio of the object does not match the aspect ratio
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* of the requested size.
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*/
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Default = 0,
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/**
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* Allow thumbnails which are smaller than requested are. Thumbnail
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* bitmaps are never up scaled if this flag is set.
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*/
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AllowAnySize = 1,
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/**
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* New thumbnail images are not created if this flag is set. Only
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* existing thumbnails may be returned. If a requested thumbnail does
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* not exist null pixmap will be returned.
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*/
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DoNotCreate = 2,
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/**
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* Thumbnail images are cropped to match requested aspect ratio. If
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* this mode is set, the size of the resulting thumbnail always
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* matches the requested size.
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*/
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CropToAspectRatio = 4
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};
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/** Quality versus speed preference setting */
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enum QualityPreference
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{
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/**
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* Prefer thumbnails in the highest quality possible disregarding
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* any negative impact on performance.
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*/
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OptimizeForQuality,
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/**
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* Get thumbnails as fast as possible, even if
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* it means lower quality.
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*/
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OptimizeForPerformance
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};
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// Test utility functions
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static int getInitCounter();
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static void resetInitCounter();
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// Stub functions
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ThumbnailManager( QObject* parentPtr = NULL );
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virtual ~ThumbnailManager();
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bool setMode( ThumbnailMode mode );
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bool setQualityPreference( QualityPreference qualityPreference );
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bool setThumbnailSize( ThumbnailSize thumbnailSize );
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int getThumbnail( const QString& fileName, void * clientData = NULL,
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int priority = tnmWrapperPriorityIdle );
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bool cancelRequest( int id );
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void deleteThumbnails( const QString& fileName );
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signals:
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void thumbnailReady( QPixmap , void * , int , int );
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public:
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bool mGetThumbFails;
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int mThumbnailReqCounter;
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int mCancelCounter;
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};
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#endif /* THUMBNAILMANAGER_QT_H_ */
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