--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/tvout/inc/glxhdmisurfaceupdater.h Wed Sep 01 12:33:26 2010 +0100
@@ -0,0 +1,259 @@
+/* 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: Handles & propogates UI state change notifications.
+*
+*/
+
+#ifndef GLXHDMISURFACEUPDATER_H_
+#define GLXHDMISURFACEUPDATER_H_
+
+#include <w32std.h>
+#include <fbs.h>
+
+// GCE Surface
+#include "graphics/surfacemanager.h"
+#include "graphics/surface.h"
+#include "graphics/surfaceupdateclient.h"
+#include <graphics/surfaceconfiguration.h>
+#include "mglxhdmidecoderobserver.h" //For MGlxHDMIDecoderObserver
+
+// forward decleration
+class CGlxActiveCallBack;
+class CGlxHdmiDecoderAO;
+class CImageDecoder;
+class TSurfaceConfiguration;
+class MGlxGenCallback
+ {
+public:
+ virtual void DoGenCallback() = 0;
+ };
+
+class CGlxHdmiSurfaceUpdater: public CBase
+ {
+public:
+ /*
+ * NewL
+ */
+ static CGlxHdmiSurfaceUpdater* NewL(RWindow* aWindow,
+ const TDesC& aImageFile, const TDesC& aNextImageFile,
+ CFbsBitmap* aFsBitmap, MGlxGenCallback* aCallBack,
+ MGlxHDMIDecoderObserver& aDecoderObserver);
+
+ /*
+ * Destructor
+ */
+ ~CGlxHdmiSurfaceUpdater();
+
+public:
+ /*
+ * This is to cancel the active object from decoding
+ */
+ void HandleRunL(TRequestStatus& aStatus);
+
+ /*
+ * This updates the new image.
+ */
+ void UpdateNewImageL(const TDesC& aImageFile,
+ const TDesC& aNextImageFile, CFbsBitmap* aFsBitmap);
+
+ /*
+ * Activate Zoom
+ */
+ void ActivateZoom(TBool aAutoZoomOut);
+ /*
+ * Deactivate Zoom
+ */
+ void DeactivateZoom();
+ /*
+ * Zoom in our out depending on parameter
+ */
+ void Zoom(TBool aZoom);
+
+ /*
+ ShiftToCloningMOde
+ */
+ void ShiftToCloningMode();
+
+ /*
+ ShiftToPostingMode
+ */
+ void ShiftToPostingMode();
+
+private:
+ /*
+ * Constructor
+ */
+ CGlxHdmiSurfaceUpdater(RWindow* aWindow, MGlxGenCallback* aCallBack,
+ MGlxHDMIDecoderObserver& aDecoderObserver);
+
+ /*
+ * ConstructL()
+ */
+ void ConstructL(CFbsBitmap* aFsBitmap, const TDesC& aImageFile,
+ const TDesC& aNextImageFile);
+
+ /*
+ * Create a New surface with given size
+ */
+ void CreateSurfaceL();
+ /*
+ * @param1 size
+ */
+ void MapSurfaceL();
+
+ /*
+ * This fundtion wont be called , could be used if double buffering is planned in future
+ * to start the second decoder AO and update the surface with a new session.
+ */
+ static TInt SurfBuffer0ReadyL(TAny* aObject);
+
+ /*
+ * Call a refresh on the screen
+ */
+ void Refresh();
+
+ /*
+ * Dump the buffer on to the surface stride
+ */
+ void SwapBuffers();
+
+ /*
+ * Release contents
+ */
+ void ReleaseContent();
+
+ /*
+ * Create bitmap
+ */
+ void CreateBitmapL();
+
+ /*
+ * Create an image decoder with given file
+ * @param1 - Image file
+ */
+ void CreateImageDecoderL();
+
+ /*
+ * Creating all enablers for HDMI
+ * @param1 if creating a surface is required,
+ * by default it is not required
+ */
+ void CreateHdmiL(TBool aCreateSurface = ETrue);
+
+ /*
+ * This if for zoom timer timeout
+ */
+ static TInt TimeOut(TAny* aSelf);
+
+ /*
+ * ModifySurface positions of the surface to be displayed on screen
+ */
+ void ModifySurfacePostion();
+
+ /*
+ * Process the image for TV
+ */
+ void ProcessTvImage();
+
+ /*
+ * Shows the FS thumbnail first before showing
+ * Decoded HD image
+ */
+ void ShowFsThumbnailL();
+
+ /*
+ * Recalculate the size for png/bmp as decoder fails to
+ * decode for desired size
+ */
+ TSize ReCalculateSizeL();
+
+ /*
+ * If the image format is non jpeg, then we need to calculate as per
+ * reduction factor and reduced size as what the decoder is going to return us
+ * This function returns if that needs to be done.
+ */
+ TBool DoesMimeTypeNeedsRecalculateL();
+
+ /*
+ * If the image format is non jpeg, then we need to scale the bitmap after it is
+ * decoded, as the return value would not fit the screen
+ */
+ void ScaleDecodedBitmapL(TInt aBitmapIndex);
+
+ /*
+ * Initiate HDMI
+ */
+ void InitiateHdmiL(CFbsBitmap* aFsBitmap, const TDesC& aImageFile,
+ const TDesC& aNextImageFile);
+
+ void DecodeNextImageL();
+
+private:
+ RWindow* iWindow; // window object
+ CFbsBitmap* iFsBitmap; // FS bitmap
+ MGlxGenCallback* iCallBack; // callback to the HdmiContainer window
+ HBufC* iImagePath; // To store the image uri path
+ HBufC* iNextImagePath; // To store the image uri path
+
+ // GCE Surface
+ RSurfaceUpdateSession iSurfUpdateSession;
+ TSurfaceId iSurfId; // TSurfaceId
+ RSurfaceManager* iSurfManager; // RSurfaceManager
+ RChunk* iSurfChunk; // RChunk
+ TInt iSurfaceStride; // surface stride
+ TSurfaceConfiguration iConfig; // surface configuration for zoom
+
+ CFbsBitmap* iDecodedBitmap[3]; // Array of Decoded bitmaps of the focussed image
+ // 1 - contains FS/Grid Thumbnail, 2- HD image,
+ // (optional)3-Scaled png/bmp images
+
+ void* iSurfBuffer; // Surface buffer
+ CGlxActiveCallBack* iSurfBufferAO; // Surface buffer AO
+
+ //ICL
+ CGlxHdmiDecoderAO* iGlxDecoderAO; // Internal Image decoder AO
+ CImageDecoder* iImageDecoder; // Image Decoder
+ RFs iFsSession; // RFs
+
+ TPoint iLeftCornerForZoom; //
+ CPeriodic* iTimer; // Timer for Zoom
+
+ // Various objects to store sizes and count
+ TSize iTvScreenSize; // to store the Tv screen size
+ TSize iTargetBitmapSize; // To Store the target bitmap size to display(as per Aspect Ratio)
+
+ // Various flags to store values
+ TBool iZoom; // Is zoomed
+ TBool iBitmapReady; // If the bitmap is decoded and ready
+ TBool iAutoZoomOut; // If the UI has asked for auto zoomout
+ TBool iSurfSessionConnected; // If surface session is connected
+ TBool iShiftToCloning;
+ TBool iShwFsThumbnail; // If the Fs thumbnail is to be shown before decoding HD images
+ TBool iIsNonJpeg; // If the item is non jpeg
+ MGlxHDMIDecoderObserver& iDecoderObserver; // doesn't own
+ TBool iDecodingCurrent; // Decoding Current Image
+ TBool iDecodingNext; // Decoding Next Image
+ TBool iDecodingNextFailed; // Decoding Next Image
+
+#ifdef _DEBUG
+ TTime iStartTime;
+ TTime iStopTime;
+#endif
+ // The bitmap index in the array of bitmaps
+ enum {
+ EFSBitmapIndex = 0,
+ EJpgDecodedBitmapIndex,
+ ENonJpgDecodedBitmapIndex
+ };
+ };
+#endif /* GLXHDMISURFACEUPDATER_H_ */