// Copyright (c) 2008-2009 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:

 //

 /**

  @file

  @internalComponent

 */

 #include "mmdirectviewfinder.h"

 #include <graphics/surfaceconfiguration.h>

 #include "w32std.h"

 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

 #include <ecamdef.h>

 #endif

 CMMDirectViewFinder* CMMDirectViewFinder::NewL(CMMCameraClientSession& aOwner)

 	{

 	CMMDirectViewFinder* self = new (ELeave) CMMDirectViewFinder(aOwner);

 	CleanupStack::PushL(self);

 	self->ConstructL();

 	CleanupStack::Pop(self);

 	return self;

 	}

 void CMMDirectViewFinder::ConstructL()

 	{

 	}

 CMMDirectViewFinder::CMMDirectViewFinder(CMMCameraClientSession& aOwner)

 	: iOwner(aOwner), iDirectViewFinderObserver(NULL), iPrepareCompleted(EFalse)

 	{

 	iReferenceCount++;

 	}

 CMMDirectViewFinder::~CMMDirectViewFinder()

 	{

 	}

 void CMMDirectViewFinder::Release(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle)

 	{

 	THashMapIter<TInt, CCamera::CCameraV2DirectViewFinder*> iter(iOwner.iHashMap);

 	for (CCamera::CCameraV2DirectViewFinder* const* vF = iter.NextValue(); vF; vF = iter.NextValue())

 		{

 		if (*vF == aDirectViewFinderHandle)

 			{

 			iOwner.iHashMap.Remove(*iter.CurrentKey());

 			break;

 			}

 		}

 	}

 void CMMDirectViewFinder::CreateHistogramImplFactoryL(MImplementationFactory*& /*aImplFactoryPtr*/) const

 	{

 	User::Leave(KErrNotSupported);

 	}

 void CMMDirectViewFinder::GetImageProcessingImplFactoryL(MImplementationFactory*& /*aImplFactoryPtr*/) const

 	{

 	User::Leave(KErrNotSupported);

 	}

 TAny* CMMDirectViewFinder::GetDirectSnapshotImpl(TUid /*aInterface*/) const

 	{

 	return NULL;

 	}

 void CMMDirectViewFinder::SetDirectViewFinderObserver(MDirectViewFinderObserver& aDirectViewFinderObserver)

 	{

 	iDirectViewFinderObserver = &aDirectViewFinderObserver;

 	}

 void CMMDirectViewFinder::SetDirectViewFinderHandle(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle)

 	{

 	TInt position = iOwner.iHashMap.Count();

 	iDirectViewFinderHandle = aDirectViewFinderHandle;

 	iOwner.iHashMap.Insert(position, iDirectViewFinderHandle);

 	}

 void CMMDirectViewFinder::StartViewFinderDirectL(RWsSession& aWs, CWsScreenDevice& aScreenDevice, RWindowBase& aWindow, TRect& aScreenRect)

 	{

 	TRect clip;

 	clip.SetWidth(0);

 	clip.SetHeight(0);

 	StartViewFinderDirectL(aWs, aScreenDevice, aWindow, aScreenRect, clip);

 	}

 void CMMDirectViewFinder::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& aScreenDevice,

 											RWindowBase& aWindow, TRect& aScreenRect, TRect& aClipRect)

 	{

 	// Make sure device is powered up (implies it has been reserved)

 	if (!iOwner.iPoweredUp)

 		{

 		User::Leave(KErrNotReady);

 		}

 	// Ensure start is not called twice

 	CCamera::CCameraV2DirectViewFinder::TViewFinderState state;

 	GetViewFinderStateL(state);

 	if (state != CCamera::CCameraV2DirectViewFinder::EViewFinderInActive)

 		{

 		User::Leave(KErrNotReady);

 		}

 	TInt error = KErrNone;

 	if (!iPrepareCompleted)

 		{

 		TDirectViewFinderInfo directViewFinderInfo;

 		// Retrieve screen number from the screen device

 		directViewFinderInfo.iScreenNum = aScreenDevice.GetScreenNumber();

 		directViewFinderInfo.iScreenRect = aScreenRect;

 		directViewFinderInfo.iClipRect = aClipRect;

 		TDirectViewFinderInfoPckg directViewFinderInfoPckg(directViewFinderInfo);

 		// Prepare viewfinder for playback and retrieve the surface id from the graphics sink

 		error = iOwner.iCameraSession.SendMessage(ECamPrepareDirectViewFinder, directViewFinderInfoPckg);

 		if (error == KErrNone)

 			{

 			TSurfaceConfiguration surfaceConfig;

 			directViewFinderInfo = directViewFinderInfoPckg();

 			error = surfaceConfig.SetSurfaceId(directViewFinderInfo.iSurfaceId);

 			if (error == KErrNone)

 				{

 				//	User::LeaveIfError(surfaceConfig.SetOrientation(CFbsBitGc::EGraphicsOrientationRotated90));

 				error = surfaceConfig.SetExtent(aScreenRect);

 				if (error == KErrNone)

 					{

 					//	User::LeaveIfError(aWindow.SetRequiredDisplayMode(EColor64K));

 					error = aWindow.SetBackgroundSurface(surfaceConfig, ETrue);

 					if (error == KErrNone)

 						{

 						iPrepareCompleted = ETrue;

 						}

 					}

 				}

 			}

 		}

 	if (error != KErrNone)

 		{

 		User::Leave(error);

 		}

 	// Start the viewfinder

 	error = iOwner.iCameraSession.SendMessage(ECamStartDirectViewFinder);

 	if (error != KErrNone)

 		{

 		User::Leave(error);

 		}

 	// HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!!

 	// TODO: Here to let tests run. Will be removed once foundation provide event registration/notification APIs

 	iDirectViewFinderObserver->DirectViewFinderFirstFrameDisplayed(*iDirectViewFinderHandle, KErrNone);

 	}

 void CMMDirectViewFinder::GetDirectViewFinderPropertiesL(TInt& aScreenNumber, TRect& aScreenRect, TRect& aClipRect) const

 	{

 	if (!iPrepareCompleted)

 		{

 		User::Leave(KErrNotReady);

 		}

 	TDirectViewFinderInfo info;

 	TDirectViewFinderInfoPckg pckg(info);

 	iOwner.iCameraSession.SendRxMessage(ECamDirectViewFinderProperties, pckg);

 	info = pckg();

 	aScreenNumber = info.iScreenNum;

 	aScreenRect = info.iScreenRect;

 	aClipRect = info.iClipRect;

 	}

 void CMMDirectViewFinder::PauseViewFinderDirect()

 	{

 	iOwner.iCameraSession.SendMessage(ECamPauseDirectViewFinder);

 	}

 void CMMDirectViewFinder::ResumeViewFinderDirect()

 	{

 	iOwner.iCameraSession.SendMessage(ECamResumeDirectViewFinder);

 	// HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!!

 	// TODO: Here to let tests run. Will be removed once foundation provide event registration/notification APIs

 	iDirectViewFinderObserver->DirectViewFinderFirstFrameDisplayed(*iDirectViewFinderHandle, KErrNone);	

 	}

 void CMMDirectViewFinder::GetViewFinderStateL(CCamera::CCameraV2DirectViewFinder::TViewFinderState& aViewFinderState) const

 	{

 	TDirectViewFinderState state;

 	TDirectViewFinderStatePckg pckg(state);

 	User::LeaveIfError(iOwner.iCameraSession.SendRxMessage(ECamDirectViewFinderState, pckg));

 	state = pckg();

 	aViewFinderState = state.iState;

 	}

 void CMMDirectViewFinder::StopDirectViewFinder()

 	{

 	iOwner.iCameraSession.SendMessage(ECamStopDirectViewFinder);

 	}

 void CMMDirectViewFinder::Release()

 	{

 	iReferenceCount--;

 	if (iReferenceCount == 0)

 		{

 		delete this;

 		}

 	}

 void CMMDirectViewFinder::GetViewFinderFadingCapabilitiesL(CCameraViewFinder::TViewFinderFadingCapabilities& /*aVFFadingCapabilities*/) const

 	{

 	User::Leave(KErrNotSupported);

 	}

 void CMMDirectViewFinder::GetViewFinderFadingEffectL(CCameraViewFinder::TViewFinderFadingEffect& /*aCurrentVFFadingEffect*/) const

 	{

 	User::Leave(KErrNotSupported);

 	}

 void CMMDirectViewFinder::SetViewFinderFadingEffect(const CCameraViewFinder::TViewFinderFadingEffect& /*aVFFadingEffect*/)

 	{

 	TECAMEvent event(KUidECamEvent2ViewFinderFadingEffect, KErrNotSupported);

 	iOwner.iCameraObserver2->HandleEvent(event);

 	}

 void CMMDirectViewFinder::GetViewFinderHandleL(TInt& aVFHandle) const

 	{

 	THashMapIter<TInt, CCamera::CCameraV2DirectViewFinder*> iter(iOwner.iHashMap);

 	for (CCamera::CCameraV2DirectViewFinder* const* vF = iter.NextValue(); vF; vF = iter.NextValue())

 		{

 		if (*vF == iDirectViewFinderHandle)

 			{

 			// Handle returned is position within the hash table + 100 (arbitrary value to show uniquenness of handle)

 			aVFHandle = *iter.CurrentKey() + 100;

 			return;

 			}

 		}

 	User::Leave(KErrNotFound);

 	}