sl@0: // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "Graphics/WSGRAPHICMSGBUF.H"
sl@0: #include "W32STDGRAPHIC.H"
sl@0: 
sl@0: #define KSizeOfTInt (TInt)sizeof(TInt)
sl@0: 
sl@0: // TWsGraphicMsgBufParser \\\\\\\\\\\\\\\\\\\\\\\\
sl@0: 
sl@0: EXPORT_C TWsGraphicMsgBufParser::TWsGraphicMsgBufParser(const TDesC8& aData): iData(aData)
sl@0: /** Initialise a parser for the specified message buffer */
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TWsGraphicMsgBufParser::Verify() const
sl@0: /** Verifies that the message buffer is properly formed
sl@0: 	@return KErrNone if buffer is ok, else a system-wide error code */
sl@0: 	{
sl@0: 	const TInt length = iData.Length();
sl@0: 	TInt ofs = 0;
sl@0: 	const TInt tmp = (length - sizeof(TInt));
sl@0: 	while(ofs < tmp)
sl@0: 		{
sl@0: 		ofs += IntAt(ofs+KSizeOfTInt) + (KSizeOfTInt*2);
sl@0: 		}
sl@0: 	if(ofs == length)
sl@0: 		{
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	return KErrCorrupt;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TWsGraphicMsgBufParser::Count() const
sl@0: /** Returns the number of elements in the buffer.
sl@0: @return the count of elements.
sl@0: */
sl@0: 	{
sl@0: 	const TInt length = iData.Length();
sl@0: 	TInt ofs = 0, count = 0;
sl@0: 	while(ofs < length)
sl@0: 		{
sl@0: 		count++;
sl@0: 		ofs += IntAt(ofs+KSizeOfTInt) + (KSizeOfTInt*2);
sl@0: 		}
sl@0: 	return count;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TUid TWsGraphicMsgBufParser::Uid(TInt aIndex) const
sl@0: /** Returns the UID if the message, or null UID if the buffer is empty.
sl@0: @return KNullUid if the buffer is empty, otherwise the stored Uid
sl@0: */
sl@0: 	{
sl@0: 	const TInt length = iData.Length();
sl@0: 	TInt ofs = 0, count = 0;
sl@0: 	while(ofs < length)
sl@0: 		{
sl@0: 		if(count == aIndex)
sl@0: 			{
sl@0: 			return TUid::Uid(IntAt(ofs));
sl@0: 			}
sl@0: 		count++;
sl@0: 		ofs += IntAt(ofs+KSizeOfTInt) + (KSizeOfTInt*2);
sl@0: 		}
sl@0: 	return KNullUid;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TPtrC8 TWsGraphicMsgBufParser::Data(TInt aIndex) const
sl@0: /**Returns the buffer contents at a perticular offset (aIndex).
sl@0: @param aIndex - the index into of the buffer element required.
sl@0: @return KNullDesC8 if index is more than the element count, otherwise, the element at index aIndex.
sl@0: */
sl@0: 	{
sl@0: 	const TInt length = iData.Length();
sl@0: 	TInt ofs = 0, count = 0;
sl@0: 	while(ofs < length)
sl@0: 		{
sl@0: 		if(count == aIndex)
sl@0: 			{
sl@0: 			return iData.Mid(ofs+(KSizeOfTInt*2),IntAt(ofs+KSizeOfTInt));
sl@0: 			}
sl@0: 		count++;
sl@0: 		ofs += IntAt(ofs+KSizeOfTInt) + (KSizeOfTInt*2);
sl@0: 		}
sl@0: 	return TPtrC8(KNullDesC8());
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TWsGraphicMsgBufParser::Find(TUid aUid,TInt aStartingFrom) const
sl@0: /** Finds the element equal to the aUid, and returns the index of the element in the buffer.
sl@0: @param aUid - the search item to be found in the buffer.
sl@0: @param aStartingFrom - the starting index.
sl@0: @return the position (index) of the found element, or KErrNotFound
sl@0: */
sl@0: 	{
sl@0: 	const TInt length = iData.Length();
sl@0: 	TInt ofs = 0, count = 0;
sl@0: 	while(ofs < length)
sl@0: 		{
sl@0: 		if((count >= aStartingFrom) && (aUid == TUid::Uid(IntAt(ofs))))
sl@0: 			{
sl@0: 			return count;
sl@0: 			}
sl@0: 		count++;
sl@0: 		ofs += IntAt(ofs+KSizeOfTInt) + (KSizeOfTInt*2);
sl@0: 		}
sl@0: 	return KErrNotFound;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool TWsGraphicMsgBufParser::LoadFixed(TUid aUid,TAny* aMsg,TInt aMsgSize,TInt aStartingFrom) const
sl@0: /** Loads the buffer of aMsg with the contents of the buffer, based on the aUid and aMsgSize.
sl@0: @param aUid - the Uid to match after which the loading is performed.
sl@0: @param aMsg - the pointer to the output buffer.
sl@0: @param aMsgSize - the size of the output buffer.
sl@0: @param aStartingFrom - the starting position to be used in the search of the buffer.
sl@0: @return ETrue if loaded, EFalse otherwise.
sl@0: */
sl@0: 	{
sl@0: 	const TInt length = iData.Length();
sl@0: 	TInt ofs = 0, count = 0;
sl@0: 	while(ofs < length)
sl@0: 		{
sl@0: 		if((count >= aStartingFrom) && (aUid == TUid::Uid(IntAt(ofs))))
sl@0: 			{
sl@0: 			// found it?  return it
sl@0: 			const TInt len = IntAt(ofs+KSizeOfTInt);
sl@0: 			if(len == aMsgSize)
sl@0: 				{
sl@0: 				TPtr8 msg(reinterpret_cast<TUint8*>(aMsg),aMsgSize);
sl@0: 				msg = iData.Mid(ofs+(KSizeOfTInt*2),len);
sl@0: 				return ETrue;
sl@0: 				}
sl@0: 			else // message was not the expected size!
sl@0: 				{
sl@0: 				return EFalse;
sl@0: 				}
sl@0: 			}
sl@0: 		count++;
sl@0: 		ofs += IntAt(ofs+KSizeOfTInt) + (KSizeOfTInt*2);
sl@0: 		}
sl@0: 	return EFalse;
sl@0: 	}
sl@0: 
sl@0: TInt TWsGraphicMsgBufParser::IntAt(TInt aOfs) const
sl@0: /** @internalComponent @released */
sl@0: 	{
sl@0: 	if((aOfs < 0) || ((aOfs+KSizeOfTInt) > iData.Length()))
sl@0: 		{
sl@0: 		return 0;
sl@0: 		}
sl@0: 	TInt ret;
sl@0: 	memcpy(&ret,iData.Ptr()+aOfs,KSizeOfTInt);
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: // TWsGraphicMsgAnimation \\\\\\\\\\\\\\\\\\\\\\\\
sl@0: 
sl@0: EXPORT_C TWsGraphicMsgAnimation::TWsGraphicMsgAnimation(): iFlags(EStopped)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TWsGraphicMsgAnimation::Load(const TWsGraphicMsgBufParser& aData)
sl@0: 	{
sl@0: 	const TInt index = aData.Find(TUid::Uid(TWsGraphicAnimation::ETypeId));
sl@0: 	if(index >= 0)
sl@0: 		{
sl@0: 		return Load(aData,index);
sl@0: 		}
sl@0: 	return index;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TWsGraphicMsgAnimation::Load(const TWsGraphicMsgBufParser& aData,TInt aIndex)
sl@0: 	{
sl@0: 	if(aData.Uid(aIndex).iUid != TWsGraphicAnimation::ETypeId)
sl@0: 		{
sl@0: 		return KErrArgument;
sl@0: 		}
sl@0: 	const TPtrC8 pckg = aData.Data(aIndex);
sl@0: 	if(pckg.Size() != sizeof(TWsGraphicMsgAnimation))
sl@0: 		{
sl@0: 		return KErrCorrupt;
sl@0: 		}
sl@0: 	memcpy(this,pckg.Ptr(),sizeof(TWsGraphicMsgAnimation));
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TTimeIntervalMicroSeconds TWsGraphicMsgAnimation::AnimationTime(const TTime& aNow,const TTimeIntervalMicroSeconds& aAnimationLength) const
sl@0: 	{
sl@0: 	// an animation to time?
sl@0: 	if(aAnimationLength <= 0LL)
sl@0: 		{
sl@0: 		return 0LL;
sl@0: 		}
sl@0: 	switch(iFlags & EStateMask)
sl@0: 		{
sl@0: 		case EPaused:
sl@0: 			return ((iPauseOrStopping.Int64() - iPlay.Int64()) % aAnimationLength.Int64());
sl@0: 		case EStopping:
sl@0: 			{
sl@0: 			const TInt64 elapsed = (aNow.Int64() - iPlay.Int64());
sl@0: 			if(elapsed <= aAnimationLength.Int64())
sl@0: 				{
sl@0: 				return (elapsed % aAnimationLength.Int64());
sl@0: 				}
sl@0: 			return 0LL;
sl@0: 			}
sl@0: 		case EStopped:
sl@0: 			return 0LL;
sl@0: 		case EPlaying:
sl@0: 			{
sl@0: 			const TInt64 elapsed = (aNow.Int64() - iPlay.Int64());
sl@0: 			if((iFlags & ELoop) || (elapsed <= aAnimationLength.Int64()))
sl@0: 				{
sl@0: 				return (elapsed % aAnimationLength.Int64());
sl@0: 				}
sl@0: 			return 0LL;
sl@0: 			}
sl@0: 		default:
sl@0: 			return 0LL;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool TWsGraphicMsgAnimation::IsPlaying(const TTime& aNow,const TTimeIntervalMicroSeconds& aAnimationLength) const
sl@0: 	{
sl@0: 	// an animation to time?
sl@0: 	if(aAnimationLength <= 0LL)
sl@0: 		{
sl@0: 		return EFalse;
sl@0: 		}
sl@0: 	switch(iFlags & EStateMask)
sl@0: 		{
sl@0: 		case EPaused:
sl@0: 			return EFalse;
sl@0: 		case EStopping:
sl@0: 			{
sl@0: 			const TInt64 elapsed = (aNow.Int64() - iPlay.Int64());
sl@0: 			if(elapsed <= aAnimationLength.Int64())
sl@0: 				{
sl@0: 				return ETrue;
sl@0: 				}
sl@0: 			return EFalse;
sl@0: 			}
sl@0: 		case EStopped:
sl@0: 			return EFalse;
sl@0: 		case EPlaying:
sl@0: 			{
sl@0: 			const TInt64 elapsed = (aNow.Int64() - iPlay.Int64());
sl@0: 			if((iFlags & ELoop) || (elapsed <= aAnimationLength.Int64()))
sl@0: 				{
sl@0: 				return ETrue;
sl@0: 				}
sl@0: 			return EFalse;
sl@0: 			}
sl@0: 		default:
sl@0: 			return EFalse;
sl@0: 		}
sl@0: 	}
sl@0: