windowing/windowserver/inc/Graphics/WSGRAPHICMSGBUF.H
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/inc/Graphics/WSGRAPHICMSGBUF.H	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,72 @@
+// Copyright (c) 1995-2009 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 __WSGRAPHICMSGBUF_H__
+#define __WSGRAPHICMSGBUF_H__
+
+#include <e32std.h>
+
+class TWsGraphicMsgBufParser
+/** Utility class for parsing incoming data associated with individual draw commands
+@see CWindowGc::DrawWsGraphic
+@see RWsGraphicMsgBuf
+@publishedPartner
+@released
+*/	{
+public:
+	IMPORT_C TWsGraphicMsgBufParser(const TDesC8& aData);
+	IMPORT_C TInt Verify() const;
+	IMPORT_C TInt Count() const;
+	IMPORT_C TUid Uid(TInt aIndex) const;
+	IMPORT_C TPtrC8 Data(TInt aIndex) const;
+	IMPORT_C TInt Find(TUid aUid,TInt aStartingFrom = 0) const;
+	IMPORT_C TBool LoadFixed(TUid aUid,TAny* aMsg,TInt aMsgSize,TInt aStartingFrom = 0) const;
+protected:
+	TInt IntAt(TInt aOfs) const;
+protected:
+	const TDesC8& iData;
+	};
+
+class TWsGraphicMsgAnimation
+/** Utility class for parsing incoming TWsGraphicAnimation messages
+@see CWindowGc::DrawWsGraphic
+@see RWsGraphicMsgBuf
+@publishedPartner
+@released
+*/	{
+public:
+	IMPORT_C TWsGraphicMsgAnimation();
+	IMPORT_C TInt Load(const TWsGraphicMsgBufParser& aData);
+	IMPORT_C TInt Load(const TWsGraphicMsgBufParser& aData,TInt aIndex);
+	IMPORT_C TTimeIntervalMicroSeconds AnimationTime(const TTime& aNow,const TTimeIntervalMicroSeconds& aAnimationLength) const;
+	IMPORT_C TBool IsPlaying(const TTime& aNow,const TTimeIntervalMicroSeconds& aAnimationLength) const;
+private:
+	enum
+		{
+		// animation state in lowest nibble
+		EStopped	= 0x00,
+		EPlaying	= 0x01,
+		EStopping	= 0x02,
+		EPaused		= 0x03,
+		EStateMask	= 0x0F,
+		// other flags above
+		ELoop		= 0x10
+		};
+	TUint iFlags;
+	TTime iPlay;
+	TTime iPauseOrStopping;
+	};
+
+#endif //__WSGRAPHICMSGBUF_H__