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// Copyright (c) 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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// openwfcstream.cpp
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// C API for surface stream implementation of OpenWF-C NativeStream
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//
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// Include Files
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#include <e32def.h>
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#include <pixelformats.h>
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#include <graphics/suerror.h>
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#include "symbianstream.h"
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#include "surfacestream.h"
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#include "streammap.h"
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#include "openwfcpanic.h"
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extern "C"{
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EXPORT_C TErrCode SymbianStreamAcquire( const TSurfaceId* aId, SymbianStreamType* aReturnStream)
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{
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if (aId && !aId->IsNull())
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{
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CSurfaceStream* stream = NULL;
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if (aId->Type()==TSurfaceId::EStreamHandle)
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{
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stream=CSurfaceStream::FromHandle(aId);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamUnexpectedError));
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stream->AddReference();
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*aReturnStream= stream->ToHandle();
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return KErrNone;
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}
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else
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{
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TRAPD(err,stream = COpenWfcStreamMap::InstanceL().AcquireL(*aId));
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if (stream)
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{
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*aReturnStream = stream->ToHandle();
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return KErrNone;
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}
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else
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{
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return err;
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}
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}
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}
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else
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{
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*aReturnStream = NULL;
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return KErrBadHandle;
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}
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}
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EXPORT_C TErrCode SymbianStreamFind( const TSurfaceId* aId, SymbianStreamType* aReturnStream)
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{
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if (aId && !aId->IsNull())
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{
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CSurfaceStream* stream=NULL;
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if (aId->Type()==TSurfaceId::EStreamHandle)
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{
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stream=CSurfaceStream::FromHandle(aId);
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__ASSERT_DEBUG(stream, Panic(EOwfSymbianStreamBadArgument));
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stream->AddReference();
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*aReturnStream= stream->ToHandle();
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return KErrNone;
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}
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else
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{
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TRAPD(err,stream = COpenWfcStreamMap::InstanceL().Find(*aId));
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if (stream)
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{
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*aReturnStream = stream->ToHandle();
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return KErrNone;
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}
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else
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{
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*aReturnStream = NULL;
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if (err==KErrNone)
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{
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return KErrNotFound;
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}
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else
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{
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return err;
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}
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}
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}
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}
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else
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{
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*aReturnStream = NULL;
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return KErrBadHandle;
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}
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}
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EXPORT_C void SymbianStreamAddReference(SymbianStreamType aStream)
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{
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CSurfaceStream* sstream=CSurfaceStream::FromHandle(aStream);
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if (sstream)
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{
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sstream->AddReference();
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}
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}
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EXPORT_C TErrCode SymbianStreamGetBufferId( SymbianStreamType aStream,
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SymbianStreamBuffer aBufferHandle,
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khronos_int32_t* aReturnIndex,
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const TSurfaceId** aReturnSurface)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamBadArgument));
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if (aReturnIndex)
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{
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*aReturnIndex=stream->BufferHandleToIndex(aBufferHandle);
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*aReturnSurface = &stream->SurfaceId();
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}
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return KErrNone;
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}
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EXPORT_C void SymbianStreamRemoveReference(SymbianStreamType aStream)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamBadArgument));
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stream->ReleaseReference();
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}
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EXPORT_C void SymbianStreamGetHeader( SymbianStreamType aStream,
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khronos_int32_t* aWidth,
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khronos_int32_t* aHeight,
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khronos_int32_t* aStride,
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khronos_int32_t* aFormat,
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khronos_int32_t* aPixelSize)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamBadArgument));
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stream->GetHeader(aWidth,aHeight,aStride,aFormat,aPixelSize);
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}
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EXPORT_C TErrCode SymbianStreamAcquireReadBuffer( SymbianStreamType aStream, SymbianStreamBuffer* aReturnBuffer)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamBadArgument));
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*aReturnBuffer = stream->AcquireReadBuffer();
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return KErrNone;
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}
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EXPORT_C TErrCode SymbianStreamReleaseReadBuffer( SymbianStreamType aStream,
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SymbianStreamBuffer aBuffer)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamBadArgument));
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return stream->ReleaseReadBuffer(aBuffer);
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}
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EXPORT_C TErrCode SymbianStreamAcquireWriteBuffer( SymbianStreamType aStream, SymbianStreamBuffer* aReturnBuffer)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamBadArgument));
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*aReturnBuffer = stream->AcquireWriteBuffer();
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if (*aReturnBuffer != NULL)
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{
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return KErrNone;
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}
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else
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{
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return KErrInUse;
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}
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}
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EXPORT_C TErrCode SymbianStreamReleaseWriteBuffer( SymbianStreamType aStream,
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SymbianStreamBuffer aBuffer)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamBadArgument));
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stream->ReleaseWriteBuffer(aBuffer);
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return KErrNone;
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}
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EXPORT_C TErrCode SymbianStreamAddObserver( SymbianStreamType aStream,
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SymbianStreamCallback aObserver,
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void* aData)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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if (stream && aObserver)
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{
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SYMOWF_DEFAULT_EVENT_PARAM eventPar;
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eventPar.length = sizeof(eventPar);
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eventPar.event = ESOWF_NoEvent;
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aObserver(SYMBIAN_INVALID_HANDLE, ESOWF_ObserverReturnDefaultEvent, NULL, &eventPar);
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return stream->AddObserver(aObserver, eventPar.event, KNoAssociatedScreenNumber, aData);
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}
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return KErrBadHandle;
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}
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EXPORT_C TErrCode SymbianStreamRemoveObserver( SymbianStreamType aStream,
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void* aData,
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SymbianStreamEventBits aEvents)
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{
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CSurfaceStream* stream = CSurfaceStream::FromHandle(aStream);
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if (stream)
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{
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return stream->RemoveObserver(aEvents, aData);
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}
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return KErrBadHandle;
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}
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EXPORT_C TErrCode SymbianStreamGetBufferPointer( SymbianStreamType aStream,
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SymbianStreamBuffer aBuffer,
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void** aReturnPointer)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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__ASSERT_ALWAYS(stream, Panic(EOwfSymbianStreamBadArgument));
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*aReturnPointer = NULL;
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TRAPD(err,*aReturnPointer = stream->GetBufferPtrL(aBuffer));
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return err;
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}
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EXPORT_C void
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SymbianStreamSetProtectionFlag( SymbianStreamType aStream, khronos_bool aFlag)
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{
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CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
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if (stream)
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{
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stream->SetProtectionFlag(aFlag);
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}
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}
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/*!
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* \brief Register a screen number for surface update notifications.
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*
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* \param aScreenNum Screen number.
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*
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*
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* \return Standard error code or KErrNone
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*/
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EXPORT_C TErrCode SymbianStreamRegisterScreenNotifications( khronos_int32_t aScreenNumber,
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khronos_int32_t aPriority,
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khronos_int32_t aInternalVersion)
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{
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khronos_int32_t err2=KErrUnknown;
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TRAPD(err,err2=COpenWfcStreamMap::InstanceL().RegisterScreenNotifications(aScreenNumber,aPriority,aInternalVersion));
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if (err)
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{
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return err;
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}
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else
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{
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return err2;
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}
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}
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/*!
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* \brief Get handle to registration of a screen number for surface update notifications.
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*
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* \param aScreenNum Screen number.
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*
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*
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* \return Handle to internal object (currently a CBase), or NULL if not registered
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*/
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EXPORT_C TErrCode
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SymbianStreamHasRegisteredScreenNotifications( khronos_int32_t aScreenNumber,void** aReturnState)
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{
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TRAPD(err,*aReturnState=(COpenWfcStreamMap::InstanceL().RegisteredScreenNotifications(aScreenNumber)));
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return err;
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}
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/*!
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* \brief Unregister a screen number for surface update notifications.
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*
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* \param aScreenNum Screen number.
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*
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*
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* \return Standard error code or KErrNone
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*/
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EXPORT_C TErrCode
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SymbianStreamUnregisterScreenNotifications(khronos_int32_t aScreenNumber)
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{
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khronos_int32_t err2=KErrUnknown;
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TRAPD(err,err2=COpenWfcStreamMap::InstanceL().UnregisterScreenNotifications(aScreenNumber));
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if (err)
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{
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return err;
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}
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else
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{
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return err2;
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}
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}
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/*!
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* \brief Check if two stream objects are the same surface.
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*
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* \param aStream compare these two streams.
|
|
sl@0
|
304 |
* \param aStream2 compare these two streams.
|
|
sl@0
|
305 |
*
|
|
sl@0
|
306 |
* \return TRUE if they are the same object.
|
|
sl@0
|
307 |
*/
|
|
sl@0
|
308 |
EXPORT_C khronos_bool SymbianStreamSame(SymbianStreamType aStream, SymbianStreamType aStream2)
|
|
sl@0
|
309 |
{
|
|
sl@0
|
310 |
if (aStream==aStream2)
|
|
sl@0
|
311 |
return KHR_BOOLEAN_TRUE;
|
|
sl@0
|
312 |
if (!aStream || !aStream2)
|
|
sl@0
|
313 |
return KHR_BOOLEAN_FALSE;
|
|
sl@0
|
314 |
if (*aStream==*aStream2)
|
|
sl@0
|
315 |
return KHR_BOOLEAN_TRUE;
|
|
sl@0
|
316 |
SymbianStreamType found;
|
|
sl@0
|
317 |
if ( aStream->Type()!=aStream->EStreamHandle
|
|
sl@0
|
318 |
&& aStream2->Type()==aStream2->EStreamHandle)
|
|
sl@0
|
319 |
{
|
|
sl@0
|
320 |
if(KErrNone==SymbianStreamFind(aStream,&found))
|
|
sl@0
|
321 |
{
|
|
sl@0
|
322 |
if (found==aStream2)
|
|
sl@0
|
323 |
return KHR_BOOLEAN_TRUE;
|
|
sl@0
|
324 |
}
|
|
sl@0
|
325 |
return KHR_BOOLEAN_FALSE;
|
|
sl@0
|
326 |
}
|
|
sl@0
|
327 |
if ( aStream2->Type()!=aStream2->EStreamHandle
|
|
sl@0
|
328 |
&& aStream->Type()==aStream->EStreamHandle)
|
|
sl@0
|
329 |
{
|
|
sl@0
|
330 |
if(KErrNone==SymbianStreamFind(aStream2,&found))
|
|
sl@0
|
331 |
{
|
|
sl@0
|
332 |
if (aStream==found)
|
|
sl@0
|
333 |
return KHR_BOOLEAN_TRUE;
|
|
sl@0
|
334 |
}
|
|
sl@0
|
335 |
return KHR_BOOLEAN_FALSE;
|
|
sl@0
|
336 |
}
|
|
sl@0
|
337 |
return KHR_BOOLEAN_FALSE;
|
|
sl@0
|
338 |
}
|
|
sl@0
|
339 |
|
|
sl@0
|
340 |
EXPORT_C void
|
|
sl@0
|
341 |
SymbianStreamProcessNotifications(SymbianStreamType aStream,
|
|
sl@0
|
342 |
khronos_int32_t aEvent,
|
|
sl@0
|
343 |
khronos_int32_t aScreenNumber,
|
|
sl@0
|
344 |
khronos_int32_t aSerialNumber,
|
|
sl@0
|
345 |
khronos_int32_t* aReturnMask)
|
|
sl@0
|
346 |
{
|
|
sl@0
|
347 |
CSurfaceStream* stream = CSurfaceStream::FromHandle(aStream);
|
|
sl@0
|
348 |
if (stream)
|
|
sl@0
|
349 |
{
|
|
sl@0
|
350 |
stream->ProcessNotifications(aEvent, aScreenNumber, CSurfaceStream::EDefaultOperation, aSerialNumber, aReturnMask);
|
|
sl@0
|
351 |
}
|
|
sl@0
|
352 |
}
|
|
sl@0
|
353 |
|
|
sl@0
|
354 |
EXPORT_C void
|
|
sl@0
|
355 |
SymbianStreamCheckVisible(SymbianStreamType aStream,
|
|
sl@0
|
356 |
khronos_int32_t aEvent,
|
|
sl@0
|
357 |
khronos_int32_t aScreenNumber,
|
|
sl@0
|
358 |
khronos_int32_t aSerialNumber)
|
|
sl@0
|
359 |
{
|
|
sl@0
|
360 |
CSurfaceStream* stream = CSurfaceStream::FromHandle(aStream);
|
|
sl@0
|
361 |
if (stream)
|
|
sl@0
|
362 |
{
|
|
sl@0
|
363 |
stream->ProcessNotifications(aEvent, aScreenNumber, CSurfaceStream::ECheckVisibleOperation, aSerialNumber, NULL);
|
|
sl@0
|
364 |
}
|
|
sl@0
|
365 |
}
|
|
sl@0
|
366 |
|
|
sl@0
|
367 |
EXPORT_C TErrCode
|
|
sl@0
|
368 |
SymbianStreamAddExtendedObserver(SymbianStreamType aStream,
|
|
sl@0
|
369 |
SymbianStreamCallback aObserver,
|
|
sl@0
|
370 |
void* aData,
|
|
sl@0
|
371 |
khronos_int32_t aScreenNumber,
|
|
sl@0
|
372 |
SymbianStreamEventBits aEvents)
|
|
sl@0
|
373 |
{
|
|
sl@0
|
374 |
CSurfaceStream* stream=CSurfaceStream::FromHandle(aStream);
|
|
sl@0
|
375 |
if (stream && aObserver)
|
|
sl@0
|
376 |
{
|
|
sl@0
|
377 |
TInt ret = KErrNone;
|
|
sl@0
|
378 |
if (!((ret = stream->AddObserver(aObserver, aEvents, aScreenNumber, aData)) == KErrNone) || aEvents != ESOWF_EventUpdated)
|
|
sl@0
|
379 |
{
|
|
sl@0
|
380 |
return ret;
|
|
sl@0
|
381 |
}
|
|
sl@0
|
382 |
if (!((ret = stream->AddObserver(NULL, ESOWF_EventAvailable, aScreenNumber, aData)) == KErrNone))
|
|
sl@0
|
383 |
{
|
|
sl@0
|
384 |
return ret;
|
|
sl@0
|
385 |
}
|
|
sl@0
|
386 |
if (!((ret = stream->AddObserver(NULL, ESOWF_EventDisplayed, aScreenNumber, aData)) == KErrNone))
|
|
sl@0
|
387 |
{
|
|
sl@0
|
388 |
return ret;
|
|
sl@0
|
389 |
}
|
|
sl@0
|
390 |
ret = stream->AddObserver(NULL, ESOWF_EventDisplayedX, aScreenNumber, aData);
|
|
sl@0
|
391 |
return ret;
|
|
sl@0
|
392 |
}
|
|
sl@0
|
393 |
else
|
|
sl@0
|
394 |
{
|
|
sl@0
|
395 |
return KErrArgument;
|
|
sl@0
|
396 |
}
|
|
sl@0
|
397 |
}
|
|
sl@0
|
398 |
|
|
sl@0
|
399 |
|
|
sl@0
|
400 |
|
|
sl@0
|
401 |
EXPORT_C void
|
|
sl@0
|
402 |
SymbianStreamSetFlipState(SymbianStreamType aStream, SymOwfBool aFlip)
|
|
sl@0
|
403 |
{
|
|
sl@0
|
404 |
CSurfaceStream* stream = CSurfaceStream::FromHandle(aStream);
|
|
sl@0
|
405 |
if (stream)
|
|
sl@0
|
406 |
{
|
|
sl@0
|
407 |
stream->SetFlipState(aFlip);
|
|
sl@0
|
408 |
}
|
|
sl@0
|
409 |
}
|
|
sl@0
|
410 |
|
|
sl@0
|
411 |
EXPORT_C TErrCode
|
|
sl@0
|
412 |
SymbianStreamGetChunkHandle(SymbianStreamType aStream, TInt* aHandle)
|
|
sl@0
|
413 |
{
|
|
sl@0
|
414 |
CSurfaceStream* stream = CSurfaceStream::FromHandle(aStream);
|
|
sl@0
|
415 |
if (stream && aHandle)
|
|
sl@0
|
416 |
{
|
|
sl@0
|
417 |
*aHandle = stream->GetChunkHandle();
|
|
sl@0
|
418 |
return KErrNone;
|
|
sl@0
|
419 |
}
|
|
sl@0
|
420 |
return KErrArgument;
|
|
sl@0
|
421 |
}
|
|
sl@0
|
422 |
|
|
sl@0
|
423 |
} //extern "C" helps fix and verify linkage
|