sl@0: // Copyright (c) 2008-2009 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: /**
sl@0:  @file
sl@0:  @internalComponent
sl@0: */
sl@0: 
sl@0: #include "mmdirectviewfinder.h"
sl@0: 
sl@0: #include <graphics/surfaceconfiguration.h>
sl@0: #include "w32std.h"
sl@0: #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
sl@0: #include <ecamdef.h>
sl@0: #endif
sl@0: 
sl@0: CMMDirectViewFinder* CMMDirectViewFinder::NewL(CMMCameraClientSession& aOwner)
sl@0: 	{
sl@0: 	CMMDirectViewFinder* self = new (ELeave) CMMDirectViewFinder(aOwner);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::ConstructL()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CMMDirectViewFinder::CMMDirectViewFinder(CMMCameraClientSession& aOwner)
sl@0: 	: iOwner(aOwner), iDirectViewFinderObserver(NULL), iPrepareCompleted(EFalse)
sl@0: 	{
sl@0: 	iReferenceCount++;
sl@0: 	}
sl@0: 
sl@0: CMMDirectViewFinder::~CMMDirectViewFinder()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::Release(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle)
sl@0: 	{
sl@0: 	THashMapIter<TInt, CCamera::CCameraV2DirectViewFinder*> iter(iOwner.iHashMap);
sl@0: 	for (CCamera::CCameraV2DirectViewFinder* const* vF = iter.NextValue(); vF; vF = iter.NextValue())
sl@0: 		{
sl@0: 		if (*vF == aDirectViewFinderHandle)
sl@0: 			{
sl@0: 			iOwner.iHashMap.Remove(*iter.CurrentKey());
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::CreateHistogramImplFactoryL(MImplementationFactory*& /*aImplFactoryPtr*/) const
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::GetImageProcessingImplFactoryL(MImplementationFactory*& /*aImplFactoryPtr*/) const
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: TAny* CMMDirectViewFinder::GetDirectSnapshotImpl(TUid /*aInterface*/) const
sl@0: 	{
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::SetDirectViewFinderObserver(MDirectViewFinderObserver& aDirectViewFinderObserver)
sl@0: 	{
sl@0: 	iDirectViewFinderObserver = &aDirectViewFinderObserver;
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::SetDirectViewFinderHandle(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle)
sl@0: 	{
sl@0: 	TInt position = iOwner.iHashMap.Count();
sl@0: 	iDirectViewFinderHandle = aDirectViewFinderHandle;
sl@0: 	iOwner.iHashMap.Insert(position, iDirectViewFinderHandle);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::StartViewFinderDirectL(RWsSession& aWs, CWsScreenDevice& aScreenDevice, RWindowBase& aWindow, TRect& aScreenRect)
sl@0: 	{
sl@0: 	TRect clip;
sl@0: 	clip.SetWidth(0);
sl@0: 	clip.SetHeight(0);
sl@0: 
sl@0: 	StartViewFinderDirectL(aWs, aScreenDevice, aWindow, aScreenRect, clip);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& aScreenDevice,
sl@0: 											RWindowBase& aWindow, TRect& aScreenRect, TRect& aClipRect)
sl@0: 	{
sl@0: 	// Make sure device is powered up (implies it has been reserved)
sl@0: 	if (!iOwner.iPoweredUp)
sl@0: 		{
sl@0: 		User::Leave(KErrNotReady);
sl@0: 		}
sl@0: 
sl@0: 	// Ensure start is not called twice
sl@0: 	CCamera::CCameraV2DirectViewFinder::TViewFinderState state;
sl@0: 	GetViewFinderStateL(state);
sl@0: 	if (state != CCamera::CCameraV2DirectViewFinder::EViewFinderInActive)
sl@0: 		{
sl@0: 		User::Leave(KErrNotReady);
sl@0: 		}
sl@0: 
sl@0: 	TInt error = KErrNone;
sl@0: 	if (!iPrepareCompleted)
sl@0: 		{
sl@0: 		TDirectViewFinderInfo directViewFinderInfo;
sl@0: 		// Retrieve screen number from the screen device
sl@0: 		directViewFinderInfo.iScreenNum = aScreenDevice.GetScreenNumber();
sl@0: 		directViewFinderInfo.iScreenRect = aScreenRect;
sl@0: 		directViewFinderInfo.iClipRect = aClipRect;
sl@0: 		TDirectViewFinderInfoPckg directViewFinderInfoPckg(directViewFinderInfo);
sl@0: 
sl@0: 		// Prepare viewfinder for playback and retrieve the surface id from the graphics sink
sl@0: 		error = iOwner.iCameraSession.SendMessage(ECamPrepareDirectViewFinder, directViewFinderInfoPckg);
sl@0: 		if (error == KErrNone)
sl@0: 			{
sl@0: 			TSurfaceConfiguration surfaceConfig;
sl@0: 			directViewFinderInfo = directViewFinderInfoPckg();
sl@0: 
sl@0: 			error = surfaceConfig.SetSurfaceId(directViewFinderInfo.iSurfaceId);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				//	User::LeaveIfError(surfaceConfig.SetOrientation(CFbsBitGc::EGraphicsOrientationRotated90));
sl@0: 				error = surfaceConfig.SetExtent(aScreenRect);
sl@0: 				if (error == KErrNone)
sl@0: 					{
sl@0: 					//	User::LeaveIfError(aWindow.SetRequiredDisplayMode(EColor64K));
sl@0: 					error = aWindow.SetBackgroundSurface(surfaceConfig, ETrue);
sl@0: 					if (error == KErrNone)
sl@0: 						{
sl@0: 						iPrepareCompleted = ETrue;
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (error != KErrNone)
sl@0: 		{
sl@0: 		User::Leave(error);
sl@0: 		}
sl@0: 
sl@0: 	// Start the viewfinder
sl@0: 	error = iOwner.iCameraSession.SendMessage(ECamStartDirectViewFinder);
sl@0: 	if (error != KErrNone)
sl@0: 		{
sl@0: 		User::Leave(error);
sl@0: 		}
sl@0: 
sl@0: 	// HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!!
sl@0: 	// TODO: Here to let tests run. Will be removed once foundation provide event registration/notification APIs
sl@0: 	iDirectViewFinderObserver->DirectViewFinderFirstFrameDisplayed(*iDirectViewFinderHandle, KErrNone);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::GetDirectViewFinderPropertiesL(TInt& aScreenNumber, TRect& aScreenRect, TRect& aClipRect) const
sl@0: 	{
sl@0: 	if (!iPrepareCompleted)
sl@0: 		{
sl@0: 		User::Leave(KErrNotReady);
sl@0: 		}
sl@0: 
sl@0: 	TDirectViewFinderInfo info;
sl@0: 	TDirectViewFinderInfoPckg pckg(info);
sl@0: 
sl@0: 	iOwner.iCameraSession.SendRxMessage(ECamDirectViewFinderProperties, pckg);
sl@0: 	info = pckg();
sl@0: 	aScreenNumber = info.iScreenNum;
sl@0: 	aScreenRect = info.iScreenRect;
sl@0: 	aClipRect = info.iClipRect;
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::PauseViewFinderDirect()
sl@0: 	{
sl@0: 	iOwner.iCameraSession.SendMessage(ECamPauseDirectViewFinder);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::ResumeViewFinderDirect()
sl@0: 	{
sl@0: 	iOwner.iCameraSession.SendMessage(ECamResumeDirectViewFinder);
sl@0: 	// HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!!
sl@0: 	// TODO: Here to let tests run. Will be removed once foundation provide event registration/notification APIs
sl@0: 	iDirectViewFinderObserver->DirectViewFinderFirstFrameDisplayed(*iDirectViewFinderHandle, KErrNone);	
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::GetViewFinderStateL(CCamera::CCameraV2DirectViewFinder::TViewFinderState& aViewFinderState) const
sl@0: 	{
sl@0: 	TDirectViewFinderState state;
sl@0: 	TDirectViewFinderStatePckg pckg(state);
sl@0: 
sl@0: 	User::LeaveIfError(iOwner.iCameraSession.SendRxMessage(ECamDirectViewFinderState, pckg));
sl@0: 
sl@0: 	state = pckg();
sl@0: 	aViewFinderState = state.iState;
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::StopDirectViewFinder()
sl@0: 	{
sl@0: 	iOwner.iCameraSession.SendMessage(ECamStopDirectViewFinder);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::Release()
sl@0: 	{
sl@0: 	iReferenceCount--;
sl@0: 	if (iReferenceCount == 0)
sl@0: 		{
sl@0: 		delete this;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::GetViewFinderFadingCapabilitiesL(CCameraViewFinder::TViewFinderFadingCapabilities& /*aVFFadingCapabilities*/) const
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::GetViewFinderFadingEffectL(CCameraViewFinder::TViewFinderFadingEffect& /*aCurrentVFFadingEffect*/) const
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::SetViewFinderFadingEffect(const CCameraViewFinder::TViewFinderFadingEffect& /*aVFFadingEffect*/)
sl@0: 	{
sl@0: 	TECAMEvent event(KUidECamEvent2ViewFinderFadingEffect, KErrNotSupported);
sl@0: 	iOwner.iCameraObserver2->HandleEvent(event);
sl@0: 	}
sl@0: 
sl@0: void CMMDirectViewFinder::GetViewFinderHandleL(TInt& aVFHandle) const
sl@0: 	{
sl@0: 	THashMapIter<TInt, CCamera::CCameraV2DirectViewFinder*> iter(iOwner.iHashMap);
sl@0: 	for (CCamera::CCameraV2DirectViewFinder* const* vF = iter.NextValue(); vF; vF = iter.NextValue())
sl@0: 		{
sl@0: 		if (*vF == iDirectViewFinderHandle)
sl@0: 			{
sl@0: 			// Handle returned is position within the hash table + 100 (arbitrary value to show uniquenness of handle)
sl@0: 			aVFHandle = *iter.CurrentKey() + 100;
sl@0: 			return;
sl@0: 			}
sl@0: 		}
sl@0: 	User::Leave(KErrNotFound);
sl@0: 	}