--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/collectionframework/thumbnailcreator/inc/glxtnsavethumbnailtask.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,150 @@
+/*
+* Copyright (c) 2008-2009 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:    Thumbnail save task implementation
+*
+*/
+
+
+
+
+/**
+ * @internal reviewed 30/07/2007 by Simon Brooks
+ */
+
+#ifndef GLXTNSAVETHUMBNAILTASK_H
+#define GLXTNSAVETHUMBNAILTASK_H
+
+// INCLUDES
+
+#include "glxtntask.h"
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+class CFbsBitmap;
+class CImageEncoder;
+class CGlxtnFileInfo;
+
+// CLASS DECLARATION
+
+/**
+* Task to save a generated thumbnail in persistent storage.
+*
+* @author Dan Rhodes
+* @ingroup glx_thumbnail_creator
+*/
+NONSHARABLE_CLASS(CGlxtnSaveThumbnailTask) : public CGlxtnTask
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param iItemId Media ID of item whose thumbnail is to be saved.
+        * @param aFileInfo Information about the media file.
+        * @param aSize Requested thumbnail size.
+        * @param aThumbnail Thumbnail bitmap to save.
+        * @param aStorage Client's storage interface.
+        */
+        static CGlxtnSaveThumbnailTask* NewL(
+                    const TGlxMediaId& aItemId,
+                    CGlxtnFileInfo* aFileInfo, const TSize& aSize,
+                    CFbsBitmap* aThumbnail, MGlxtnThumbnailStorage* aStorage);
+
+        /**
+        * Destructor.
+        */
+        virtual ~CGlxtnSaveThumbnailTask();
+
+    protected:  // From CGlxtnTask
+        TBool DoStartL(TRequestStatus& aStatus);
+    	void DoCancel(); 
+    	TBool DoRunL(TRequestStatus& aStatus);
+        TBool DoRunError(TInt aError);
+
+    protected:
+        /**
+        * Constructor for derived classes.
+        * @param aId Task type ID.
+        * @param iItemId Media ID of item whose thumbnail is to be saved.
+        * @param aStorage Client's storage interface.
+        */
+        CGlxtnSaveThumbnailTask(const TGlxtnTaskId& aId,
+                const TGlxMediaId& aItemId, MGlxtnThumbnailStorage* aStorage);
+
+        /**
+        * Encode the bitmap to a data buffer.
+        * @param aStatus Request status for the asynchronous operation.
+        */
+        void EncodeThumbnailL(TRequestStatus& aStatus);
+        /**
+        * Save buffer to storage.
+        * @param aStatus Request status for the asynchronous operation.
+        */
+        void SaveThumbnailL(TRequestStatus& aStatus);
+
+    private:
+        /**
+        * Constructor.
+        * @param iItemId Media ID of item whose thumbnail is to be saved.
+        * @param aSize Requested thumbnail size.
+        * @param aStorage Client's storage interface.
+        */
+        CGlxtnSaveThumbnailTask(const TGlxMediaId& aItemId, const TSize& aSize,
+                                MGlxtnThumbnailStorage* aStorage);
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        * @param aFileInfo Information about the media file.
+        * @param aThumbnail Thumbnail bitmap to save.
+        */
+        void ConstructL(CGlxtnFileInfo* aFileInfo, CFbsBitmap* aThumbnail);
+
+    protected:  // Data
+        /**
+        * States for the task's state machine.
+        */
+        enum TSaveState
+            {
+            EStateEncoding, EStateSaving, EStateFetchingUri, 
+            EStateDecoding, EStateChecking, EStateScaling, EStateFiltering
+            };
+
+        /** Requested thumbnail size */
+        TSize iSize;
+        /** Information about the item's media file */
+        CGlxtnFileInfo* iFileInfo;
+        /** Thumbnail bitmap to save (owned) */
+        CFbsBitmap* iThumbnail;
+        /** Current task state */
+        TSaveState iState;
+
+    private:    // Data
+        /** Format in which the bitmap was encoded */
+        TGlxImageDataFormat iFormat;
+        /** Encoder for the bitmap (owned) */
+        CImageEncoder* iEncoder;
+        /** Buffer for encoded data (owned) */
+        HBufC8* iData;
+    };
+
+#endif  // GLXTNSAVETHUMBNAILTASK_H
+
+// End of File