os/graphics/windowing/windowserver/stdgraphic/W32STDGRAPHIC.CPP
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "W32STDGRAPHIC.H"
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// TWsGraphicAnimation \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
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EXPORT_C TWsGraphicAnimation::TWsGraphicAnimation():
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	TWsGraphicMsgFixedBase(TUid::Uid(ETypeId),sizeof(*this)),
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	iFlags(EStopped)
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	{
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	}
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EXPORT_C TBool TWsGraphicAnimation::IsPlaying() const
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	{
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	return (State() == EPlaying);
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	}
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EXPORT_C TBool TWsGraphicAnimation::IsStopped() const
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	{
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	return (State() == EStopped);
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	}
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EXPORT_C TBool TWsGraphicAnimation::IsStopping() const
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	{
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	return (State() == EStopping);
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	}
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EXPORT_C TBool TWsGraphicAnimation::IsPaused() const
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	{
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	return (State() == EPaused);
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	}
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EXPORT_C TBool TWsGraphicAnimation::Loops() const
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	{
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	switch(State())
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		{
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		case EPlaying:
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		case EPaused:
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			return ((iFlags & ELoop) == ELoop);
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		default:
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			return EFalse;
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		}
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	}
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TUint TWsGraphicAnimation::State() const
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	{
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	return (iFlags & EStateMask);
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	}
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void TWsGraphicAnimation::SetState(TUint aState)
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	{
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	iFlags &= ~EStateMask;
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	iFlags |= (aState & EStateMask);
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	}
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   EXPORT_C void TWsGraphicAnimation::Play(TBool aLoop)
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   	{
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   	switch(State())
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   		{
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   		case EStopped:
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   		case EStopping:
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   			SetState(EPlaying);
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			// fall through
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		case EPlaying:
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			iPlay.UniversalTime(); //Start over again
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   			break;
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   		case EPaused:
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   			SetState(EPlaying);
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			if(aLoop != Loops()) // can't resume a mismatch of looping attribute
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				{
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				iPlay.UniversalTime();
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				}
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			else // resume
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				{
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				TTimeIntervalMicroSeconds delta = iPauseOrStopping.MicroSecondsFrom(iPlay);
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				iPlay.UniversalTime();
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				iPlay = iPlay.Int64() - delta.Int64();
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				break;
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				}
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		}
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	if(aLoop)
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		{
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		iFlags |= ELoop;
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		}
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	else
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		{
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		iFlags &= ~ELoop;
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		}
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	}
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EXPORT_C void TWsGraphicAnimation::Pause()
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	{
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	switch(State())
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	{
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	case EPlaying:
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		case EStopping:
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   			SetState(EPaused);
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			iPauseOrStopping.UniversalTime();
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   			break;
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   		case EStopped:
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   		case EPaused:
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   			break;
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   		}
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	}
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EXPORT_C void TWsGraphicAnimation::Stop(TBool aImmediately)
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	{
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	if(aImmediately)
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		{
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		SetState(EStopped);
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		}
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	else
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		{
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		switch(State())
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			{
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			case EPlaying:
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				SetState(EStopping);
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				iPauseOrStopping.UniversalTime();
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				break;
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			case EStopped:
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				break;
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			case EStopping:
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				iPauseOrStopping.UniversalTime();
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				break;
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			case EPaused:
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				SetState(EStopping);
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				TTimeIntervalMicroSeconds delta = iPauseOrStopping.MicroSecondsFrom(iPlay);
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				iPlay.UniversalTime();
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				iPlay = iPlay.Int64() - delta.Int64();
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				iPauseOrStopping.UniversalTime();
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   				break;
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   			}
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   		}
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   	}