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: // mmcamerasession.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalComponent
sl@0: */
sl@0: 
sl@0: #include "mmcameraserversession.h"
sl@0: #include "mmcameraservercontroller.h"
sl@0: 
sl@0: 
sl@0: CMMCameraServerSession::CMMCameraServerSession()
sl@0: 	:iCameraIndex(0),
sl@0: 	 iHandle(KECamHandleNotKnown),
sl@0: 	 iPriority(KECamNoPriority),
sl@0: 	 iMMCapability(ETrue),
sl@0: 	 iCollaborativeClient(EFalse),
sl@0: 	 iReserved(EFalse),
sl@0: 	 iPoweredUp(EFalse)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServerSession::CreateL()
sl@0: 	{
sl@0: 	iCameraServer = static_cast<CMMCameraServer*>(const_cast<CServer2*>(CSession2::Server()));
sl@0: 	// Get server policymanager
sl@0: 	iPolicyManager = Server()->PolicyManager();
sl@0: 
sl@0: 	//load camera control etc in OpenCamera...
sl@0: 	Server()->AddSession();
sl@0: 	}
sl@0: 
sl@0: CMMCameraServerSession::~CMMCameraServerSession()
sl@0: 	{
sl@0: //	CameraController()->Reset();
sl@0: 	Server()->DropSession();
sl@0: 
sl@0: 	//deque the session queued in controller
sl@0: 	iCamSessionLink.Deque();  //safe to deque if it does not exists in the queue.
sl@0: 	iCamSessionLink.iNext = NULL;
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServerSession::Disconnect(const RMessage2 &aMessage)
sl@0: 	{
sl@0: 	if(!iOverthrowMessage.IsNull())
sl@0: 		{
sl@0: 		iOverthrowMessage.Complete(KErrCancel);
sl@0: 		}
sl@0: 	CSession2::Disconnect(aMessage);
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServerSession::ServiceL(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	
sl@0: 	// Do policy manager checks
sl@0: 	iPolicyManager->ServiceHandlerL(aMessage);
sl@0: 
sl@0: 	switch (aMessage.Function())
sl@0: 		{
sl@0: 		case ECamQueryCamerasAvailable:
sl@0: 			{
sl@0: 			CamerasAvailable(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 		
sl@0: 		case ECamOpenCamera:
sl@0: 			{
sl@0: 			OpenCamera(aMessage);
sl@0: 			break;	
sl@0: 			}
sl@0: 
sl@0: 		case ECamCameraAccessControl:
sl@0: 			{
sl@0: 			switch(aMessage.Int0())
sl@0: 				{
sl@0: 				case ECameraRelease:     
sl@0: 					{
sl@0: 					Release(aMessage);
sl@0: 					break;
sl@0: 					}
sl@0: 
sl@0: 				case ECameraReservedNotification:    
sl@0: 					{
sl@0: 					Reserve(aMessage);
sl@0: 					break;	
sl@0: 					}
sl@0: 
sl@0: 				case ECameraCancelReservedNotification:    
sl@0: 					{
sl@0: 					CancelReserve(aMessage);
sl@0: 					break;	
sl@0: 					}
sl@0: 
sl@0: 				case ECameraOverthrowNotification:
sl@0: 					{
sl@0: 					if(iOverthrowMessage.IsNull())
sl@0: 						{
sl@0: 						iOverthrowMessage = aMessage;
sl@0: 						}
sl@0: 					else
sl@0: 						{
sl@0: 						aMessage.Complete(KErrServerBusy);
sl@0: 						}
sl@0: 					break;
sl@0: 					}
sl@0: 
sl@0: 				case ECameraCancelOverthrowNotification:
sl@0: 					{
sl@0: 					if(!iOverthrowMessage.IsNull())
sl@0: 						{
sl@0: 						iOverthrowMessage.Complete(KErrCancel);
sl@0: 						}
sl@0: 					CameraController()->Reset(); //Stops VF, VC. Cancels ImageCapture if issued using this session.
sl@0: 					aMessage.Complete(KErrNone);
sl@0: 					break;
sl@0: 					}
sl@0: 
sl@0: 				default:
sl@0: 					aMessage.Complete(KErrArgument);
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 		case ECamPowerCamera:
sl@0: 			{
sl@0: 			switch(aMessage.Int0())
sl@0: 				{
sl@0: 				case ECameraPowerOnNotification:     
sl@0: 					{
sl@0: 					PowerOn(aMessage);
sl@0: 					break;
sl@0: 					}
sl@0: 				case ECameraPowerOff:
sl@0: 					{
sl@0: 					PowerOff();	
sl@0: 					aMessage.Complete(KErrNone);
sl@0: 					break;
sl@0: 					}
sl@0: 				case ECameraCancelPowerOnNotification:
sl@0: 					{
sl@0: 					CancelPowerOn();
sl@0: 					aMessage.Complete(KErrNone);
sl@0: 					break;
sl@0: 					}
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamPrepareDirectViewFinder:
sl@0: 			{
sl@0: 			PrepareDirectViewFinder(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamStartDirectViewFinder:
sl@0: 			{
sl@0: 			StartDirectViewFinder(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamStopDirectViewFinder:
sl@0: 			{
sl@0: 			StopDirectViewFinder(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamPauseDirectViewFinder:
sl@0: 			{
sl@0: 			PauseDirectViewFinder(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamResumeDirectViewFinder:
sl@0: 			{
sl@0: 			ResumeDirectViewFinder(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamDirectViewFinderState:
sl@0: 			{
sl@0: 			DirectViewFinderState(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamSetDirectViewFinderMirror:
sl@0: 			{
sl@0: 			SetDirectViewFinderMirror(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 			
sl@0: 		case ECamGetDirectViewFinderMirror:
sl@0: 			{
sl@0: 			GetDirectViewFinderMirror(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamDirectViewFinderProperties:
sl@0: 			{
sl@0: 			DirectViewFinderProperties(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 		case ECamSetParameter:
sl@0: 			{
sl@0: 			SetCameraParameter(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamGetParameter:
sl@0: 			{
sl@0: 			GetCameraParameter(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case ECamCameraHandle:
sl@0: 			{
sl@0: 			CameraHandle(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		default:
sl@0: 			Server()->PanicClient(aMessage, EPanicNotSupported);
sl@0: 			break;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Queries controller to find out how many cameras are available to clients.
sl@0:  */
sl@0: void CMMCameraServerSession::CamerasAvailable(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TCamerasAvailable info;
sl@0: 
sl@0: 	CMMCameraServerControllerQuery* query = NULL;
sl@0: 	TRAPD(error, Server()->GetCameraControllerQueryL(query));
sl@0: 	if (error == KErrNone)
sl@0: 		{
sl@0: 		info.iCameraCount = query->GetCamerasAvailable();
sl@0: 		delete query;
sl@0: 
sl@0: 		TCamerasAvailablePckg pckg(info);
sl@0: 		error = aMessage.Write(TInt(0), pckg);
sl@0: 		}
sl@0: 
sl@0: 	aMessage.Complete(error);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Stores client information and retrieves camera controller for required camera index.
sl@0:  * 
sl@0:  * Called when client connects to the server for the first time.
sl@0:  */
sl@0: void CMMCameraServerSession::OpenCamera(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TOpenCamera parameters;
sl@0: 	TOpenCameraPckg parametersBuf(parameters);
sl@0: 
sl@0: 	TInt error = aMessage.Read(TInt(0),parametersBuf);
sl@0: 	if (error != KErrNone)
sl@0: 		{
sl@0: 		aMessage.Complete(error);
sl@0: 		}
sl@0: 
sl@0: 	parameters = parametersBuf();
sl@0: 
sl@0: 	iCameraIndex = parameters.iCameraIndex;   // Store the required member variables 
sl@0:     iPriority = parameters.iPriority;
sl@0:     iMMCapability = parameters.iMMCapability;
sl@0:     iHandle = parameters.iHandle; 
sl@0:     iCollaborativeClient = parameters.iCollaborativeClient;
sl@0: 
sl@0:     TRAP(error, Server()->GetCameraControllerL(iCameraIndex, iCameraController));
sl@0: 
sl@0:     aMessage.Complete(error);
sl@0:  	}
sl@0: 
sl@0: /**
sl@0:  * Reserves the camera.
sl@0:  * 
sl@0:  * Delegates the responsibility to the policy manager
sl@0:  */
sl@0: void CMMCameraServerSession::Release(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	if(!iReserved)
sl@0: 		{
sl@0: 		aMessage.Complete(KErrAlreadyExists);
sl@0: 		}
sl@0: 	else
sl@0: 		{		
sl@0: 		CameraController()->Reset(); //Stops VF, VC. Cancels ImageCapture if issued using this session.
sl@0: 		
sl@0: 		iPolicyManager->ReleaseClient(this);
sl@0: 
sl@0: 		iReserved = EFalse;
sl@0: 		iPoweredUp = EFalse;
sl@0: 
sl@0: 		if(!iOverthrowMessage.IsNull())
sl@0: 			{	
sl@0: 			iOverthrowMessage.Complete(KErrCancel);
sl@0: 			}
sl@0: 
sl@0: 		aMessage.Complete(KErrNone);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServerSession::CompleteOverthrow ()
sl@0: 	{
sl@0: 	if(!iOverthrowMessage.IsNull())
sl@0: 		{
sl@0: 		// Complete means sucess
sl@0: 		iOverthrowMessage.Complete(KErrNone);
sl@0: 		}
sl@0: 
sl@0: 	iPoweredUp = EFalse;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Releases the camera.
sl@0:  * 
sl@0:  * Delegates the responsibility to the policy manager
sl@0:  */
sl@0: void CMMCameraServerSession::Reserve(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	if (iReserved)
sl@0: 		{
sl@0: 		aMessage.Complete(KErrInUse);
sl@0: 		return;
sl@0: 		}
sl@0: 
sl@0: 	iReserved = iPolicyManager->ReserveClient(this);
sl@0: 
sl@0:     if(!iReserved)       	
sl@0:     	{
sl@0:     	aMessage.Complete(KErrAccessDenied);
sl@0:     	}
sl@0:     else
sl@0:     	{
sl@0:    	    aMessage.Complete(KErrNone);
sl@0:     	}
sl@0:     }
sl@0: 
sl@0: /**
sl@0:  * Cancels on ongoing Reserve() operation.
sl@0:  */
sl@0: void CMMCameraServerSession::CancelReserve(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	Release(aMessage);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Powers on the device.
sl@0:  * 
sl@0:  * Simply returns with KErrNone or KErrNotReady since device is not powered on until VF is activated.
sl@0:  */
sl@0: void CMMCameraServerSession::PowerOn(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	if(!iReserved)
sl@0: 		{
sl@0: 		aMessage.Complete(KErrNotReady);
sl@0: 		}
sl@0: 	else if (iPoweredUp)
sl@0: 		{
sl@0: 		aMessage.Complete(KErrInUse);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iPoweredUp = ETrue;
sl@0: 		aMessage.Complete(KErrNone);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Powers off the device.
sl@0:  * 
sl@0:  * Simply stops any viewfinder activity.
sl@0:  */
sl@0: void CMMCameraServerSession::PowerOff()
sl@0: 	{
sl@0: 	CameraController()->Reset();
sl@0: 
sl@0: 	iPoweredUp = EFalse;
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServerSession::CancelPowerOn()
sl@0: 	{
sl@0: 	iPoweredUp = EFalse;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Prepares the view finder.
sl@0:  * 
sl@0:  * First step before viewfinder is started.
sl@0:  */
sl@0: void CMMCameraServerSession::PrepareDirectViewFinder(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TDirectViewFinderInfo viewFinderInfo;
sl@0: 	TDirectViewFinderInfoPckg viewFinderInfoPckg(viewFinderInfo);
sl@0: 
sl@0: 	TInt error = aMessage.Read(TInt(0), viewFinderInfoPckg);
sl@0: 	if(error == KErrNone)
sl@0: 		{
sl@0: 		viewFinderInfo = viewFinderInfoPckg();
sl@0: 		TRAP(error, CameraController()->PrepareDirectViewFinderL(viewFinderInfo));
sl@0: 		if(error == KErrNone)
sl@0: 			{
sl@0: 			TDirectViewFinderInfoPckg pckg(viewFinderInfo);
sl@0: 			error = aMessage.Write(TInt(0), pckg);
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	aMessage.Complete(error); 
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Starts the viewfinder
sl@0:  */
sl@0: void CMMCameraServerSession::StartDirectViewFinder(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TInt error = CameraController()->StartDirectViewFinder();
sl@0: 	aMessage.Complete(error);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Stops the viewfinder.
sl@0:  * 
sl@0:  * Returns KErrNone even if stop is called when the viewfinder is not active, as client API must fail silently if error occurs.
sl@0:  */
sl@0: void CMMCameraServerSession::StopDirectViewFinder(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	if (CameraController()->GetDirectViewFinderState() == CCamera::CCameraV2DirectViewFinder::EViewFinderActive)
sl@0: 		{
sl@0: 		CameraController()->StopDirectViewFinder();
sl@0: 		}
sl@0: 
sl@0: 	aMessage.Complete(KErrNone);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Pauses the viewfinder.
sl@0:  * 
sl@0:  * Returns KErrNone even if pause is called when the viewfinder is not active, as client API must fail silently if error occurs.
sl@0:  */
sl@0: void CMMCameraServerSession::PauseDirectViewFinder(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	if (CameraController()->GetDirectViewFinderState() == CCamera::CCameraV2DirectViewFinder::EViewFinderActive)
sl@0: 		{
sl@0: 		CameraController()->PauseDirectViewFinder();
sl@0: 		}
sl@0: 
sl@0: 	aMessage.Complete(KErrNone);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Resumes the viewfinder if previously paused.
sl@0:  * 
sl@0:  * Returns KErrNone even if resume is called when the viewfinder is not paused, as client API must fail silently if error occurs.
sl@0:  */
sl@0: void CMMCameraServerSession::ResumeDirectViewFinder(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	if (CameraController()->GetDirectViewFinderState() == CCamera::CCameraV2DirectViewFinder::EViewFinderPause)
sl@0: 		{
sl@0: 		CameraController()->ResumeDirectViewFinder();
sl@0: 		}
sl@0: 
sl@0: 	aMessage.Complete(KErrNone);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the state of the viewfinder
sl@0:  */
sl@0: void CMMCameraServerSession::DirectViewFinderState(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TDirectViewFinderState state;
sl@0: 
sl@0: 	state.iState = CameraController()->GetDirectViewFinderState();
sl@0: 
sl@0: 	TDirectViewFinderStatePckg pckg(state);
sl@0: 	TInt error = aMessage.Write(TInt(0), pckg);
sl@0: 	
sl@0: 	aMessage.Complete(error);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets viewfinder mirror mode on or off.
sl@0:  */
sl@0: void CMMCameraServerSession::SetDirectViewFinderMirror(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TViewFinderMirror viewFinderMirror;
sl@0: 	TViewFinderMirrorPckg pckg(viewFinderMirror);
sl@0: 
sl@0: 	TInt error = aMessage.Read(TInt(0), pckg);
sl@0: 	if (error == KErrNone)
sl@0: 		{
sl@0: 		viewFinderMirror = pckg();
sl@0: 		error = CameraController()->SetDirectViewFinderMirror(viewFinderMirror.iMirror);
sl@0: 		}
sl@0: 
sl@0: 	aMessage.Complete(error);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves whether viewfinder mirror mode is activated or not.
sl@0:  */
sl@0: void CMMCameraServerSession::GetDirectViewFinderMirror(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TViewFinderMirror viewFinderMirror;
sl@0: 
sl@0: 	TInt error = CameraController()->GetDirectViewFinderMirror(viewFinderMirror.iMirror);
sl@0: 	if (error == KErrNone)
sl@0: 		{
sl@0: 		TViewFinderMirrorPckg pckg(viewFinderMirror);
sl@0: 		error = aMessage.Write(TInt(0), pckg);
sl@0: 		}
sl@0: 
sl@0: 	aMessage.Complete(error);	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the viewfinder properties
sl@0:  */
sl@0: void CMMCameraServerSession::DirectViewFinderProperties(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TDirectViewFinderInfo info;
sl@0: 
sl@0: 	TInt error = CameraController()->DirectViewFinderProperties(info.iScreenNum, info.iScreenRect, info.iClipRect);
sl@0: 	if (error == KErrNone)
sl@0: 		{
sl@0: 		TDirectViewFinderInfoPckg pckg(info);
sl@0: 		error = aMessage.Write(TInt(0), pckg);
sl@0: 		}
sl@0: 
sl@0: 	aMessage.Complete(error);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets various camera parameters depending on what the client wishes to set.
sl@0:  */
sl@0: void CMMCameraServerSession::SetCameraParameter(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TInt error = KErrNone;
sl@0: 
sl@0: 	switch(aMessage.Int0())
sl@0: 		{
sl@0: 		case EZoomFactor:
sl@0: 			{
sl@0: 			TInt zoom = aMessage.Int1();
sl@0: 			error = CameraController()->SetZoom(zoom);
sl@0: 			aMessage.Complete(error);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EDigitalZoomFactor:
sl@0: 			{
sl@0: 			TInt digitalZoom = aMessage.Int1();
sl@0: 			error = CameraController()->SetDigitalZoom(digitalZoom);
sl@0: 			aMessage.Complete(error);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EContrast:
sl@0: 			{
sl@0: 			TInt contrast = aMessage.Int1();
sl@0: 			error = CameraController()->SetContrast(contrast);
sl@0: 			aMessage.Complete(error);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EBrightness:
sl@0: 			{
sl@0: 			TInt brightness = aMessage.Int1();
sl@0: 			error = CameraController()->SetBrightness(brightness);
sl@0: 			aMessage.Complete(error);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EFlash:
sl@0: 			{
sl@0: 			TCameraFlash flash;
sl@0: 			TCameraFlashPckg pckg(flash);
sl@0: 
sl@0: 			error = aMessage.Read(TInt(1), pckg);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				flash = pckg();
sl@0: 				error = CameraController()->SetFlash(flash.iFlash);
sl@0: 				}
sl@0: 			aMessage.Complete(error);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EExposure:
sl@0: 			{
sl@0: 			TCameraExposure exposure;
sl@0: 			TCameraExposurePckg pckg(exposure);
sl@0: 
sl@0: 			error = aMessage.Read(TInt(1), pckg);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				exposure = pckg();
sl@0: 				error = CameraController()->SetExposure(exposure.iExposure);
sl@0: 				}
sl@0: 			aMessage.Complete(error);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EWhiteBalance:
sl@0: 			{
sl@0: 			TCameraWhiteBalance whiteBalance;
sl@0: 			TCameraWhiteBalancePckg pckg(whiteBalance);
sl@0: 
sl@0: 			error = aMessage.Read(TInt(1), pckg);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				whiteBalance = pckg();
sl@0: 				error = CameraController()->SetWhiteBalance(whiteBalance.iWhiteBalance);
sl@0: 				}
sl@0: 			aMessage.Complete(error);
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		default:
sl@0: 			{
sl@0: 			Server()->PanicClient(aMessage, EPanicNotSupported);
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Gets various camera parameters depending on what information the client wishes to retrieve.
sl@0:  */
sl@0: void CMMCameraServerSession::GetCameraParameter(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TInt error = KErrNone;
sl@0: 
sl@0: 	switch(aMessage.Int0())
sl@0: 		{
sl@0: 		case EZoomFactor:
sl@0: 			{
sl@0: 			TCameraZoom zoom;
sl@0: 			error = CameraController()->GetZoom(zoom.iZoom);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				TCameraZoomPckg pckg(zoom);
sl@0: 				error = aMessage.Write(TInt(1), pckg);
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EDigitalZoomFactor:
sl@0: 			{
sl@0: 			TCameraDigitalZoom digitalZoom;
sl@0: 			error = CameraController()->GetDigitalZoom(digitalZoom.iDigitalZoom);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				TCameraDigitalZoomPckg pckg(digitalZoom);
sl@0: 				error = aMessage.Write(TInt(1), pckg);
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EContrast:
sl@0: 			{
sl@0: 			TCameraContrast contrast;
sl@0: 			error = CameraController()->GetContrast(contrast.iContrast);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				TCameraContrastPckg pckg(contrast);
sl@0: 				error = aMessage.Write(TInt(1), pckg);
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EBrightness:
sl@0: 			{
sl@0: 			TCameraBrightness brightness;
sl@0: 			error = CameraController()->GetBrightness(brightness.iBrightness);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				TCameraBrightnessPckg pckg(brightness);
sl@0: 				error = aMessage.Write(TInt(1), pckg);
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EFlash:
sl@0: 			{
sl@0: 			TCameraFlash flash;
sl@0: 			error = CameraController()->GetFlash(flash.iFlash);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				TCameraFlashPckg pckg(flash);
sl@0: 				error = aMessage.Write(TInt(1), pckg);		
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EExposure:
sl@0: 			{
sl@0: 			TCameraExposure exposure;
sl@0: 			error = CameraController()->GetExposure(exposure.iExposure);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				TCameraExposurePckg pckg(exposure);
sl@0: 				error = aMessage.Write(TInt(1), pckg);
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		case EWhiteBalance:
sl@0: 			{
sl@0: 			TCameraWhiteBalance whiteBalance;
sl@0: 			error = CameraController()->GetWhiteBalance(whiteBalance.iWhiteBalance);
sl@0: 			if (error == KErrNone)
sl@0: 				{
sl@0: 				TCameraWhiteBalancePckg pckg(whiteBalance);
sl@0: 				error = aMessage.Write(TInt(1), pckg);
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 
sl@0: 		default:
sl@0: 			{
sl@0: 			Server()->PanicClient(aMessage, EPanicNotSupported);
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	aMessage.Complete(error);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrives the camera handle
sl@0:  */
sl@0: void CMMCameraServerSession::CameraHandle(const RMessage2& aMessage)
sl@0: 	{
sl@0: 	TCameraHandle cameraHandle;
sl@0: 
sl@0: 	cameraHandle.iHandle = CameraController()->CameraHandle();
sl@0: 	TCameraHandlePckg pckg(cameraHandle);
sl@0: 	
sl@0: 	aMessage.Write(TInt(0), pckg);
sl@0: 	aMessage.Complete(KErrNone);
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServerSession::SetHandle (TInt aHandle)
sl@0: 	{
sl@0: 	iHandle = aHandle;
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServerSession::SetPriority (TInt aPriority)
sl@0: 	{
sl@0: 	iPriority = aPriority;
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServerSession::SetReserved (TBool aReserved)
sl@0: 	{
sl@0: 	iReserved = aReserved;
sl@0: 	}
sl@0: 
sl@0: CMMCameraServer* CMMCameraServerSession::Server()
sl@0: 	{
sl@0: 	return iCameraServer;
sl@0: 	}
sl@0: 
sl@0: CMMCameraServerController* CMMCameraServerSession::CameraController()
sl@0: 	{
sl@0: 	return iCameraController;
sl@0: 	}