windowing/windowserver/stdgraphic/W32STDGRAPHIC.CPP
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/stdgraphic/W32STDGRAPHIC.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,147 @@
+// 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:
+//
+
+#include "W32STDGRAPHIC.H"
+
+// TWsGraphicAnimation \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
+
+EXPORT_C TWsGraphicAnimation::TWsGraphicAnimation():
+	TWsGraphicMsgFixedBase(TUid::Uid(ETypeId),sizeof(*this)),
+	iFlags(EStopped)
+	{
+	}
+	
+EXPORT_C TBool TWsGraphicAnimation::IsPlaying() const
+	{
+	return (State() == EPlaying);
+	}
+
+EXPORT_C TBool TWsGraphicAnimation::IsStopped() const
+	{
+	return (State() == EStopped);
+	}
+
+EXPORT_C TBool TWsGraphicAnimation::IsStopping() const
+	{
+	return (State() == EStopping);
+	}
+
+EXPORT_C TBool TWsGraphicAnimation::IsPaused() const
+	{
+	return (State() == EPaused);
+	}
+	
+EXPORT_C TBool TWsGraphicAnimation::Loops() const
+	{
+	switch(State())
+		{
+		case EPlaying:
+		case EPaused:
+			return ((iFlags & ELoop) == ELoop);
+		default:
+			return EFalse;
+		}
+	}
+	
+TUint TWsGraphicAnimation::State() const
+	{
+	return (iFlags & EStateMask);
+	}
+
+void TWsGraphicAnimation::SetState(TUint aState)
+	{
+	iFlags &= ~EStateMask;
+	iFlags |= (aState & EStateMask);
+	}
+
+   EXPORT_C void TWsGraphicAnimation::Play(TBool aLoop)
+   	{
+   	switch(State())
+   		{
+   		case EStopped:
+   		case EStopping:
+   			SetState(EPlaying);
+			// fall through
+		case EPlaying:
+			iPlay.UniversalTime(); //Start over again
+   			break;
+   		case EPaused:
+   			SetState(EPlaying);
+			if(aLoop != Loops()) // can't resume a mismatch of looping attribute
+				{
+				iPlay.UniversalTime();
+				}
+			else // resume
+				{
+				TTimeIntervalMicroSeconds delta = iPauseOrStopping.MicroSecondsFrom(iPlay);
+				iPlay.UniversalTime();
+				iPlay = iPlay.Int64() - delta.Int64();
+				break;
+				}
+		}
+	if(aLoop)
+		{
+		iFlags |= ELoop;
+		}
+	else
+		{
+		iFlags &= ~ELoop;
+		}
+	}
+
+EXPORT_C void TWsGraphicAnimation::Pause()
+	{
+	switch(State())
+	{
+	case EPlaying:
+		case EStopping:
+   			SetState(EPaused);
+			iPauseOrStopping.UniversalTime();
+   			break;
+   		case EStopped:
+   		case EPaused:
+   			break;
+   		}
+	}
+
+EXPORT_C void TWsGraphicAnimation::Stop(TBool aImmediately)
+	{
+	if(aImmediately)
+		{
+		SetState(EStopped);
+		}
+	else
+		{
+		switch(State())
+			{
+			case EPlaying:
+				SetState(EStopping);
+				iPauseOrStopping.UniversalTime();
+				break;
+			case EStopped:
+				break;
+			case EStopping:
+				iPauseOrStopping.UniversalTime();
+				break;
+			case EPaused:
+				SetState(EStopping);
+				TTimeIntervalMicroSeconds delta = iPauseOrStopping.MicroSecondsFrom(iPlay);
+				iPlay.UniversalTime();
+				iPlay = iPlay.Int64() - delta.Int64();
+				iPauseOrStopping.UniversalTime();
+   				break;
+   			}
+   		}
+   	}