--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imaging/imagingfws/ImageDisplay/plugins/IclWrapper/ImagePlayer.h	Wed Aug 25 12:29:52 2010 +0300
@@ -0,0 +1,96 @@
+// Copyright (c) 2005-2009 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:
+//
+
+#ifndef IMAGEPLAYER_H
+#define IMAGEPLAYER_H
+
+/** 	@file
+	@internalComponent */
+
+class CFbsBitmap;
+
+/**
+	Synchronously called upon next image frame
+*/
+class MImagePlayerObserver
+	{
+public:
+	virtual void OnPlayEvent(TInt aErrorCode, TUint aEvent, CFbsBitmap* aFrame, CFbsBitmap* aMask)=0;
+	};
+	
+/**
+	Provides abstraction layer over the CImageDecoder, see design document ICL_Design_Generic_ImgDisplPlugin.doc
+	for more detailed description.
+*/
+class CImagePlayer: public CActive 
+	{
+public:
+	enum
+		{
+		KNoFrameLimit	=0	// means that player should play (decode) all the image frames
+		};
+	CImagePlayer(MImagePlayerObserver& aObserver);
+	~CImagePlayer();
+	
+	void Play(CImageDecoder& aDecoder, TDisplayMode aDisplayMode, TInt aFrameLimit=KNoFrameLimit);
+	void Setup(const TSize& aDestSize,TInt aMaxReduction, TInt aMinReduction);
+	void Pause();
+	void Resume();
+
+	inline const TFrameInfo& CurrentFrameInfo() const;
+	TSize OriginalFrameSize() const;
+protected:
+	void RunAgain();
+	inline CFbsBitmap* FrameBitmap();
+	inline CFbsBitmap* MaskBitmap();
+	void CreateBitmapsL();
+	void MergeFrameL();
+	static void CreateBitmapsL(CFbsBitmap*& aFrame, CFbsBitmap** aMask, const TSize& aSize, TDisplayMode aFrameMode);
+// from the CActive
+	void RunL();
+	void DoCancel();
+	TInt RunError(TInt aError);
+
+private:
+	MImagePlayerObserver&	iObserver;
+	TSize					iDestSize;
+	TInt					iMaxReduction;
+	TInt					iMinReduction;
+	TInt					iFrameLimitToDecode;
+	CImageDecoder*			iDecoder;	// not owned
+	CFbsBitmap*				iFrame;		// owned
+	CFbsBitmap*				iMask;		// owned
+	const TFrameInfo*		iCurrentFrameInfo; // not owned
+	TInt					iCurrentReduction;
+	TBool					iUseTempBitmap; // temporary bitmaps are used in case of animed GIFs to have precomposed animation done
+	CFbsBitmap*				iTmpFrame;		// owned
+	CFbsBitmap*				iTmpMask;		// owned
+	TDisplayMode			iDisplayMode;
+	TInt					iFrameNumber;
+	TBool					iIsPaused;		// flag to indicate that all the subsequent operations should be paused until further notice
+	TBool					iNeedRunAfterResume;// if the AO needs run after resume (i.e. if it was "paused" while being active)
+	TBool					iIsAnimationSubframe; // indicates if the frame being decoded is a frame of animated GIF
+	enum TState
+		{
+		EIdle,
+		EDecoding,
+		}					iState;
+	};
+
+#include "ImagePlayer.inl"
+
+#endif // ndef IMAGEPLAYER_H
+
+