diff -r f5050f1da672 -r 04becd199f91 javauis/eswt_akn/org.eclipse.ercp.swt.s60/native/inc/swtimagedataloader.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/eswt_akn/org.eclipse.ercp.swt.s60/native/inc/swtimagedataloader.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,161 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2010 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Nokia Corporation - S60 implementation
+ *******************************************************************************/
+
+
+#ifndef SWTIMAGEDATALOADER_H
+#define SWTIMAGEDATALOADER_H
+
+
+#include "eswtgraphics.h"
+
+
+class CImageDecoder;
+class CImageEncoder;
+class TFrameInfo;
+
+
+/**
+ * CSwtImageDataLoader
+ * Class used to encode and decode images (PNG, GIF, JPG).
+ * @lib eswt
+ */
+NONSHARABLE_CLASS(CSwtImageDataLoader)
+        : public CActive
+        , public MSwtImageDataLoader
+{
+// Own methods
+public:
+
+    /**
+     * Two phase constructor.
+     * Create the native object in charge of load and save image from/to a stream or a file.
+     */
+    static CSwtImageDataLoader* NewL();
+
+// From MSwtImageDataLoader
+public:
+    void EncodeImageToFileL(MSwtImageData& aImageData,
+                            TInt aFormat, const TDesC& aDestination);
+    HBufC8* EncodeImageToStreamL(MSwtImageData& aImageData, TInt aFormat);
+    void DecodeImageL(const TDesC& aFileName);
+    void DecodeWholeImageFromBufferL(const TDesC8& aBuffer);
+    void DecodeImageFromBufferL(const TDesC8& aBuffer);
+    void AppendDataL(const TDesC8& aBuffer); //loading
+    CSwtImageDataArray* GetImageData();
+    void Dispose();
+    TInt GetLogicalScreenHeight();
+    TInt GetLogicalScreenWidth();
+
+// Own methods
+private:
+    TBool DecodeNextFrameL();                 //starting
+    void  DecodeFrameL(TInt aIndexOfFrame);   //starting
+
+protected:
+    /**
+     * Destructor.
+     */
+    ~CSwtImageDataLoader();
+
+private:
+    CSwtImageDataLoader();
+    void ConstructL();
+    void SetImageDataL(MSwtImageData& aImageData);
+
+    /**
+     * Extract the ImageData from the members bitmap.
+     */
+    void ExtractImagedataL();
+
+    /**
+     * Build the mask bitmap if needed.
+     */
+    void SetMaskL(const TFrameInfo& aInfo);
+
+    /**
+     * Ensure that the bitmap resources are freed before
+     * reusing the decoder (for multi frame image).
+     */
+    void FreeBitmaps();
+
+    /**
+     * Free buffers.
+     */
+    void FreeBuffers();
+
+    /**
+     * Set the logical values for height or width equal to
+     * the values of the greatest frame (for height or width).
+     */
+    void CSwtImageDataLoader::SetLogicalScreenValues(const TFrameInfo& aInfo);
+
+    /**
+     * Set the x and y coordinates of the image in the current frame.
+     */
+    void SetFrameInfosL(const TFrameInfo& aInfo);
+
+    /**
+     * Leaves if a leave happens. Transforms the leave's code into one expected by eSWT.
+     * A leave code that is not handled in the function causes
+     * the leave to be performed with the unchanged leave code.
+     * @param aLeaveCode : the leave code to convert(if equal to KerrNone : do not leave)
+     */
+    void LeaveIfErrorFromICLDecoderL(TInt aLeaveCode) const;
+
+
+    /**
+     * Leaves if a leave happens. Transforms the leave's code into one expected by eSWT.
+     * A leave code that is not handled in the function causes
+     * the leave to be performed with the unchanged leave code.
+     * @param aLeaveCode : the leave code to convert(if equal to KerrNone : do not leave)
+     */
+    void LeaveIfErrorFromICLEncoderL(TInt aLeaveCode) const;
+
+    /**
+     * Verify the file pointed by destination can be created and does not already exists.
+     * @param aDestination : The file that is checked
+     * @param aFs : a RFs object.
+     */
+    void CheckDestinationL(const TDesC& aDestination, const RFs& aFs) const;
+
+    const TDesC8& GetMimeType(TSwtImageType aFormat) const;
+
+// From CActive
+    void RunL();
+    void DoCancel();
+    TInt RunError(TInt aError);
+
+private:
+    CFbsBitmap*       iMask;                // The possible mask of the image
+    CFbsBitmap*       iBitmap;              // The image bitmap (without its mask)
+    MSwtImageData::TInfo iInfo;
+    TSize             iLogicalScreenValues; // LogicalScreenHeight and Width
+    TPoint            iImageCoordinates;    // The coordinates of the frame within the screen in pixels.
+    TInt              iDelay;               // The delay time of a gif
+    TSwtGifDisposal   iDisposal;            // The disposal method of a gif image
+    CImageDecoder*    iDecoder;             // Current decoder. Is a member to be persistent in order to be used asynchronously
+    MSwtImageData*    iImageData;           // The imageData built when the conversion is finished
+    CSwtImageDataArray* iImageDataArray;    // The imageData array built step by step depending on how many images are stored in the image file/stream
+    TInt              iNextFrameToDecode;   // The next frame we will decode
+    HBufC8*           iBuffer;              // The data to decode when loading or the data encoded when saving
+    TBool             iStartDecodingAnother;// ETrue if a frame has just been decoded and ready to decode another frame.
+    TPtr8             iDesc;                // The descriptor furnished to the Convert function
+    TInt              iResult;              // The code returned to the caller.
+    TBool             iWholeImageAtOnce;    // ETrue when decoding whole image in one shot
+    CImageEncoder*    iEncoder;             // Current encoder. Is a member to be persistent in order to be used asynchronously
+    CActiveScheduler* iActiveScheduler;     // Installed active scheduler.
+    RFs               iFs;                  // File server session.
+    TBool             iIsGif;
+    TRequestStatus*   iImageStatus;
+};
+
+
+#endif // SWTIMAGEDATALOADER_H