mpdata/tsrc/unittest_mpsongdata/stub/inc/thumbnailmanager_qt.h
changeset 35 fdb31ab341af
child 43 0f32e550d9d8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpdata/tsrc/unittest_mpsongdata/stub/inc/thumbnailmanager_qt.h	Fri May 14 18:54:37 2010 -0500
@@ -0,0 +1,128 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: ThumbnailManager stub for testing MpSongData
+*
+*/
+
+#ifndef THUMBNAILMANAGER_QT_H_
+#define THUMBNAILMANAGER_QT_H_
+#include <QObject>
+#include <QPixmap>
+
+
+/** default priority value */
+const int tnmWrapperPriorityIdle = -100;
+
+class ThumbnailManager : public QObject
+    {
+    Q_OBJECT
+
+public:
+
+
+    /** Thumbnail size. */
+    enum ThumbnailSize
+    {
+        /**
+         * Small thumbnail
+         */
+        ThumbnailSmall = 0,
+        /**
+         * Medium thumbnail
+         */
+        ThumbnailMedium,
+        /**
+         * Large thumbnail
+         */
+        ThumbnailLarge
+    };
+
+    /** Mode of thumbnail creation. */
+    enum ThumbnailMode
+        {
+        /**
+         * Default mode. This means that:
+         * - Thumbnail must be as large as requested (unless the actual object is smaller).
+         * - Smaller thumbnails may be up scaled to desired resolution.
+         * - Aspect ratio is maintained and thumbnails are not cropped. The
+         *   resulting thumbnail may smaller in either width or height if
+         *   the aspect ratio of the object does not match the aspect ratio
+         *   of the requested size.
+         */
+        Default = 0,
+
+        /**
+         * Allow thumbnails which are smaller than requested are. Thumbnail
+         * bitmaps are never up scaled if this flag is set.
+         */
+        AllowAnySize = 1,
+
+        /**
+         * New thumbnail images are not created if this flag is set. Only
+         * existing thumbnails may be returned. If a requested thumbnail does
+         * not exist null pixmap will be returned.
+         */
+        DoNotCreate = 2,
+
+        /**
+         * Thumbnail images are cropped to match requested aspect ratio. If
+         * this mode is set, the size of the resulting thumbnail always
+         * matches the requested size.
+         */
+        CropToAspectRatio = 4
+    };
+
+    /**  Quality versus speed preference setting */
+    enum QualityPreference
+    {
+        /**
+         * Prefer thumbnails in the highest quality possible disregarding
+         * any negative impact on performance.
+         */
+        OptimizeForQuality,
+
+        /**
+         * Get thumbnails as fast as possible, even if
+         * it means lower quality.
+         */
+        OptimizeForPerformance
+    };
+
+    // Test utility functions
+    static int getInitCounter();
+    static void resetInitCounter();
+
+    // Stub functions
+    ThumbnailManager( QObject* parentPtr = NULL );
+    virtual ~ThumbnailManager();
+    bool setMode( ThumbnailMode mode );
+    bool setQualityPreference( QualityPreference qualityPreference );
+    bool setThumbnailSize( ThumbnailSize thumbnailSize );
+    int getThumbnail( const QString& fileName, void * clientData = NULL,
+            int priority = tnmWrapperPriorityIdle );
+    bool cancelRequest( int id );
+
+signals:
+
+    void thumbnailReady( QPixmap , void * , int , int );
+
+public:
+
+    bool    mGetThumbFails;
+    int     mThumbnailReqCounter;
+    int     mCancelCounter;
+
+};
+
+#endif /* THUMBNAILMANAGER_QT_H_ */