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 <ecom/ecom.h>
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include <f32file.h>
sl@0: 
sl@0: #include "mmcameraclientsession.h"
sl@0: #include "mmdirectviewfinder.h"
sl@0: 
sl@0: #include <graphics/surfaceconfiguration.h>
sl@0: #include "w32std.h"
sl@0: 
sl@0: /**
sl@0:  * First-phase constructor
sl@0:  */
sl@0: CMMCameraClientSession::CMMCameraClientSession():iCameraObserver2(NULL),
sl@0: 									 iReserved(EFalse),
sl@0: 									 iPoweredUp(EFalse),
sl@0: 									 iPrepareCompleted(EFalse),
sl@0: 									 iCollaborativeClient(EFalse)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * NewL() factory function
sl@0:  */
sl@0: CMMCameraClientSession* CMMCameraClientSession::NewL()
sl@0: 	{
sl@0: 	FileDependencyUtil::CheckFileDependencyL();
sl@0: 	return new (ELeave) CMMCameraClientSession;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Destructor
sl@0:  */
sl@0: CMMCameraClientSession::~CMMCameraClientSession()
sl@0: 	{
sl@0: 	delete iCameraPowerHandler;
sl@0: 	delete iCameraAccessHandler;
sl@0: 
sl@0: 	iHashMap.Close();
sl@0: 	iCameraSession.Close();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: //
sl@0: // from CCameraPlugin
sl@0: //
sl@0: 
sl@0: /**
sl@0:  * Derived from CCameraPlugin. Second Phase contruction
sl@0:  *
sl@0:  * @see CCameraPlugin
sl@0:  */
sl@0: void CMMCameraClientSession::Construct2L(MCameraObserver& /*aObserver*/, TInt /*aCameraIndex*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Derived from CCameraPlugin. Second Phase contruction for collaborative clients
sl@0:  *
sl@0:  * @see CCameraPlugin
sl@0:  */
sl@0: void CMMCameraClientSession::Construct2DupL(MCameraObserver& /*aObserver*/, TInt /*aCameraHandle*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Derived from CCameraPlugin. Second Phase contruction
sl@0:  *
sl@0:  * @see CCameraPlugin
sl@0:  */
sl@0: void CMMCameraClientSession::Construct2L(MCameraObserver2& aObserver, TInt aCameraIndex, TInt aPriority)
sl@0: 	{
sl@0: 	if (aCameraIndex > CamerasAvailable())
sl@0: 		{
sl@0: 		User::Leave(KErrNotSupported);
sl@0: 		}
sl@0: 
sl@0: 	iCameraIndex = aCameraIndex;
sl@0: 	iPriority = aPriority;
sl@0: 	iCameraObserver2 = &aObserver;
sl@0: 
sl@0: 	//initialize server
sl@0: 	//create session
sl@0: 	User::LeaveIfError(iCameraSession.Connect());
sl@0: 
sl@0: 	//open camera
sl@0: 	TOpenCamera openCam;
sl@0: 
sl@0: 	openCam.iCameraIndex = iCameraIndex;
sl@0: 	openCam.iPriority = iPriority;
sl@0: 	openCam.iHandle = KECamHandleNotKnown;
sl@0: 	openCam.iMMCapability = ETrue;  //could be changed.
sl@0: 	openCam.iCollaborativeClient = EFalse;
sl@0: 
sl@0: 	TOpenCameraPckg openCamBuf(openCam);
sl@0: 
sl@0: 	User::LeaveIfError(iCameraSession.SendMessage(ECamOpenCamera, openCamBuf));
sl@0: 					// since this call is synchronous, providing reference to local
sl@0: 					//  varialbe is not a problem.
sl@0: 												   
sl@0: 	iCameraAccessHandler = CMMCameraAccessHandler::NewL(this, CActive::EPriorityStandard);
sl@0: 	iCameraPowerHandler = CMMCameraPowerHandler::NewL(this, CActive::EPriorityStandard);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Derived from CCameraPlugin. Second Phase contruction for collaborative clients
sl@0:  *
sl@0:  * @see CCameraPlugin
sl@0:  */
sl@0: void CMMCameraClientSession::Construct2DupL(MCameraObserver2& /*aObserver*/, TInt /*aCameraHandle*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);	
sl@0: 	}
sl@0: 
sl@0: 
sl@0: //
sl@0: // from CCamera itself
sl@0: //
sl@0: 
sl@0: /**
sl@0:  * Retrieves information about the currectly reserved camera device
sl@0:  *
sl@0:  * @see CCamera::CameraInfo()
sl@0:  */
sl@0: void CMMCameraClientSession::CameraInfo(TCameraInfo& /*aInfo*/) const
sl@0: 	{ 
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Reserves the camera
sl@0:  *
sl@0:  * @see CCamera::Reserve()
sl@0:  */
sl@0: void CMMCameraClientSession::Reserve()
sl@0: 	{
sl@0: 	iCameraAccessHandler->Reserve();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Relinquishes control of the camera device
sl@0:  *
sl@0:  * @see CCamera::Release()
sl@0:  */
sl@0: void CMMCameraClientSession::Release()
sl@0: 	{
sl@0: 	iCameraSession.SendMessage(ECamCameraAccessControl, ECameraRelease);
sl@0: 	iPoweredUp = EFalse;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Powers on the camera device
sl@0:  *
sl@0:  * @see CCamera::PowerOn()
sl@0:  */
sl@0: void CMMCameraClientSession::PowerOn()
sl@0: 	{
sl@0: 	iCameraPowerHandler->PowerOn();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Powers down the camera device
sl@0:  *
sl@0:  * @see CCamera::PowerOff()
sl@0:  */
sl@0: void CMMCameraClientSession::PowerOff()
sl@0: 	{	
sl@0: 	iCameraSession.SendMessage(ECamPowerCamera, ECameraPowerOff);
sl@0: 	iPoweredUp = EFalse;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the handle of the currently reserved camera
sl@0:  *
sl@0:  * @see CCamera::Handle()
sl@0:  */
sl@0: TInt CMMCameraClientSession::Handle()
sl@0: 	{
sl@0: 	TCameraHandle handle;
sl@0: 	TCameraHandlePckg pckg(handle);
sl@0: 
sl@0: 	iCameraSession.SendRxMessage(ECamCameraHandle, pckg);
sl@0: 
sl@0: 	handle = pckg();
sl@0: 	return handle.iHandle;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets the optical zoom level
sl@0:  *
sl@0:  * @see CCamera::SetZoomFactorL()
sl@0:  */
sl@0: void CMMCameraClientSession::SetZoomFactorL(TInt aZoomFactor)
sl@0: 	{
sl@0: 	User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EZoomFactor, aZoomFactor));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  *  Retrieves current optical zoom level
sl@0:  *
sl@0:  * @see CCamera::ZoomFactor()
sl@0:  */
sl@0: TInt CMMCameraClientSession::ZoomFactor() const
sl@0: 	{
sl@0: 	TCameraZoom zoomFactor;
sl@0: 	TCameraZoomPckg pckg(zoomFactor);
sl@0: 	iCameraSession.SendRxMessage(ECamGetParameter, EZoomFactor, pckg);
sl@0: 	zoomFactor = pckg();
sl@0: 	return zoomFactor.iZoom;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets the digital zoom level
sl@0:  *
sl@0:  * @see CCamera::SetDigitalZoomFactorL()
sl@0:  */
sl@0: void CMMCameraClientSession::SetDigitalZoomFactorL(TInt aDigitalZoomFactor)
sl@0: 	{
sl@0: 	User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EDigitalZoomFactor, aDigitalZoomFactor));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the current digital zoom level
sl@0:  *
sl@0:  * @see CCamera::DigitalZoomFactor()
sl@0:  */
sl@0: TInt CMMCameraClientSession::DigitalZoomFactor() const
sl@0: 	{
sl@0: 	TCameraDigitalZoom digitalZoomFactor;
sl@0: 	TCameraDigitalZoomPckg pckg(digitalZoomFactor);
sl@0: 	iCameraSession.SendRxMessage(ECamGetParameter, EDigitalZoomFactor, pckg);
sl@0: 	digitalZoomFactor = pckg();
sl@0: 	return digitalZoomFactor.iDigitalZoom;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets the contrast level
sl@0:  *
sl@0:  * @see CCamera::SetContrastL()
sl@0:  */
sl@0: void CMMCameraClientSession::SetContrastL(TInt aContrast)
sl@0: 	{
sl@0: 	User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EContrast, aContrast));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the current contrast level
sl@0:  *
sl@0:  * @see CCamera::Contrast()
sl@0:  */
sl@0: TInt CMMCameraClientSession::Contrast() const
sl@0: 	{
sl@0: 	TCameraContrast contrast;
sl@0: 	TCameraContrastPckg pckg(contrast);
sl@0: 	iCameraSession.SendRxMessage(ECamGetParameter, EContrast, pckg);
sl@0: 	contrast = pckg();
sl@0: 	return contrast.iContrast;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets the brightness level
sl@0:  *
sl@0:  * @see CCamera::SetBrightnessL()
sl@0:  */
sl@0: void CMMCameraClientSession::SetBrightnessL(TInt aBrightness)
sl@0: 	{
sl@0: 	User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EBrightness, aBrightness));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the current brightness level
sl@0:  *
sl@0:  * @see CCamera::Brigthness()
sl@0:  */
sl@0: TInt CMMCameraClientSession::Brightness() const
sl@0: 	{
sl@0: 	TCameraBrightness brightness;
sl@0: 	TCameraBrightnessPckg pckg(brightness);
sl@0: 	iCameraSession.SendRxMessage(ECamGetParameter, EBrightness, pckg);
sl@0: 	brightness = pckg();
sl@0: 	return brightness.iBrightness;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets the flash level
sl@0:  *
sl@0:  * @see CCamera::SetFlashL()
sl@0:  */
sl@0: void CMMCameraClientSession::SetFlashL(TFlash aFlash)
sl@0: 	{
sl@0: 	TCameraFlash flash;
sl@0: 	flash.iFlash = aFlash;
sl@0: 	TCameraFlashPckg pckg(flash);
sl@0: 
sl@0: 	User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EFlash, pckg));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the current flash level
sl@0:  *
sl@0:  * @see CCamera::Flash()
sl@0:  */
sl@0: CCamera::TFlash CMMCameraClientSession::Flash() const
sl@0: 	{
sl@0: 	TCameraFlash flash;
sl@0: 	TCameraFlashPckg pckg(flash);
sl@0: 	
sl@0: 	iCameraSession.SendRxMessage(ECamGetParameter, EFlash, pckg);
sl@0: 	flash = pckg();
sl@0: 	return flash.iFlash;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets the exposure level
sl@0:  *
sl@0:  * @see CCamera::SetExposureL()
sl@0:  */
sl@0: void CMMCameraClientSession::SetExposureL(TExposure aExposure)
sl@0: 	{
sl@0: 	TCameraExposure exposure;
sl@0: 	exposure.iExposure = aExposure;
sl@0: 	TCameraExposurePckg pckg(exposure);
sl@0: 
sl@0: 	User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EExposure, pckg));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the current exposure level
sl@0:  *
sl@0:  * @see CCamera::Exposure()
sl@0:  */
sl@0: CCamera::TExposure CMMCameraClientSession::Exposure() const
sl@0: 	{
sl@0: 	TCameraExposure exposure;
sl@0: 	TCameraExposurePckg pckg(exposure);
sl@0: 	
sl@0: 	iCameraSession.SendRxMessage(ECamGetParameter, EExposure, pckg);
sl@0: 	exposure = pckg();
sl@0: 	return exposure.iExposure;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Sets the white balance level
sl@0:  *
sl@0:  * @see CCamera::SetWhiteBalance()
sl@0:  */
sl@0: void CMMCameraClientSession::SetWhiteBalanceL(TWhiteBalance aWhiteBalance)
sl@0: 	{
sl@0: 	TCameraWhiteBalance whiteBalance;
sl@0: 	whiteBalance.iWhiteBalance = aWhiteBalance;
sl@0: 	TCameraWhiteBalancePckg pckg(whiteBalance);
sl@0: 
sl@0: 	User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EWhiteBalance, pckg));
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the current white balance level
sl@0:  *
sl@0:  * @see CCamera::WhiteBalance()
sl@0:  */
sl@0: CCamera::TWhiteBalance CMMCameraClientSession::WhiteBalance() const
sl@0: 	{
sl@0: 	TCameraWhiteBalance whiteBalance;
sl@0: 	TCameraWhiteBalancePckg pckg(whiteBalance);
sl@0: 	
sl@0: 	iCameraSession.SendRxMessage(ECamGetParameter, EWhiteBalance, pckg);
sl@0: 	whiteBalance = pckg();
sl@0: 	return whiteBalance.iWhiteBalance;	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Starts client direct viewfinder.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::StartViewFinderDirectL()
sl@0:  */
sl@0: void CMMCameraClientSession::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& /*aScreenDevice*/, RWindowBase& /*aWindow*/, TRect& /*aScreenRect*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Starts client direct viewfinder.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::StartViewFinderDirectL()
sl@0:  */
sl@0: void CMMCameraClientSession::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& /*aScreenDevice*/, RWindowBase& /*aWindow*/, TRect& /*aScreenRect*/, TRect& /*aClipRect*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Starts client viewfinder.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::StartViewFinderBitmapsL()
sl@0:  */
sl@0: void CMMCameraClientSession::StartViewFinderBitmapsL(TSize& /*aSize*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Starts client viewfinder.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::StartViewFinderBitmapsL()
sl@0:  */
sl@0: void CMMCameraClientSession::StartViewFinderBitmapsL(TSize& /*aSize*/, TRect& /*aClipRect*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Starts client viewfinder.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::StartViewFinderL()
sl@0:  */
sl@0: void CMMCameraClientSession::StartViewFinderL(CCamera::TFormat /*aImageFormat*/, TSize& /*aSize*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Starts client viewfinder.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::StartViewFinderL()
sl@0:  */
sl@0: void CMMCameraClientSession::StartViewFinderL(CCamera::TFormat /*aImageFormat*/, TSize& /*aSize*/, TRect& /*aClipRect*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Stops client viewfinder.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::StopViewFinder()
sl@0:  */
sl@0: void CMMCameraClientSession::StopViewFinder()
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Queries if viewfinder is active.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::ViewFinderActive()
sl@0:  */
sl@0: TBool CMMCameraClientSession::ViewFinderActive() const
sl@0: 	{
sl@0: 	return EFalse;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Turns on/off viewfinder mirrorring.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::SetViewFinderMirrorL()
sl@0:  */
sl@0: void CMMCameraClientSession::SetViewFinderMirrorL(TBool /*aMirror*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Queries whether viewfinder mirrorring is on or off.
sl@0:  * Not supported in this implementation.
sl@0:  * 
sl@0:  * @see CCamera::ViewFinderMirrorL()
sl@0:  */
sl@0: TBool CMMCameraClientSession::ViewFinderMirror() const
sl@0: 	{
sl@0: 	return EFalse;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Prepares image capture.
sl@0:  * 
sl@0:  * @see CCamera::PrepareImageCapture()
sl@0:  */
sl@0: void CMMCameraClientSession::PrepareImageCaptureL(CCamera::TFormat /*aImageFormat*/, TInt /*aSizeIndex*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Prepares image capture.
sl@0:  * 
sl@0:  * @see CCamera::PrepareImageCapture()
sl@0:  */
sl@0: void CMMCameraClientSession::PrepareImageCaptureL(CCamera::TFormat /*aImageFormat*/, TInt /*aSizeIndex*/, const TRect& /*aClipRect*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Captures image.
sl@0:  * 
sl@0:  * @see CCamera::CaptureImage()
sl@0:  */
sl@0: void CMMCameraClientSession::CaptureImage()
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Cancels any ongoing image capture.
sl@0:  * 
sl@0:  * @see CCamera::CaptureImage()
sl@0:  */
sl@0: void CMMCameraClientSession::CancelCaptureImage()
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Enumerates image capture sizes.
sl@0:  * 
sl@0:  * @see CCamera::EnumerateCaptureSizes()
sl@0:  */
sl@0: void CMMCameraClientSession::EnumerateCaptureSizes(TSize& /*aSize*/, TInt /*aSizeIndex*/, CCamera::TFormat /*aFormat*/) const
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Prepares video capture.
sl@0:  * 
sl@0:  * @see CCamera::PrepareVideoCaptureL()
sl@0:  */
sl@0: void CMMCameraClientSession::PrepareVideoCaptureL(CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TInt /*aRateIndex*/, TInt /*aBuffersToUse*/, TInt /*aFramesPerBuffer*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Prepares video capture.
sl@0:  * 
sl@0:  * @see CCamera::PrepareVideoCaptureL()
sl@0:  */
sl@0: void CMMCameraClientSession::PrepareVideoCaptureL(CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TInt /*aRateIndex*/, TInt /*aBuffersToUse*/, TInt /*aFramesPerBuffer*/, const TRect& /*aClipRect*/)
sl@0: 	{
sl@0: 	User::Leave(KErrNotSupported);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Starts video capture.
sl@0:  * 
sl@0:  * @see CCamera::StartVideoCapture()
sl@0:  */
sl@0: void CMMCameraClientSession::StartVideoCapture()
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Stops video capture.
sl@0:  * 
sl@0:  * @see CCamera::StopVideoCapture()
sl@0:  */
sl@0: void CMMCameraClientSession::StopVideoCapture()
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Queries whether video capture is active.
sl@0:  * 
sl@0:  * @see CCamera::VideoCaptureActive()
sl@0:  */
sl@0: TBool CMMCameraClientSession::VideoCaptureActive() const
sl@0: 	{
sl@0: 	return EFalse;	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Enumerates video frame sizes.
sl@0:  * 
sl@0:  * @see CCamera::EnumerateVideoFrameSizes()
sl@0:  */
sl@0: void CMMCameraClientSession::EnumerateVideoFrameSizes(TSize& /*aSize*/, TInt /*aSizeIndex*/, CCamera::TFormat /*aFormat*/) const
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Enumerates video frame rates.
sl@0:  * 
sl@0:  * @see CCamera::EnumerateVideoFrameRates()
sl@0:  */
sl@0: void CMMCameraClientSession::EnumerateVideoFrameRates(TReal32& /*aRate*/, TInt /*aRateIndex*/, CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TExposure /*aExposure*/) const
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieve the frame size.
sl@0:  * 
sl@0:  * @see CCamera::GetFrameSize()
sl@0:  */
sl@0: void CMMCameraClientSession::GetFrameSize(TSize& /*aSize*/) const
sl@0: 	{
sl@0: 	return;	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieve the frame rate.
sl@0:  * 
sl@0:  * @see CCamera::FrameRate()
sl@0:  */
sl@0: TReal32 CMMCameraClientSession::FrameRate() const
sl@0: 	{
sl@0: 	return static_cast<TReal32>(0);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieve the number of buffers currently in use.
sl@0:  * 
sl@0:  * @see CCamera::BuffersInUse()
sl@0:  */
sl@0: TInt CMMCameraClientSession::BuffersInUse() const
sl@0: 	{
sl@0: 	return 0;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieve the number of frames per buffer.
sl@0:  * 
sl@0:  * @see CCamera::FramesPerBuffer()
sl@0:  */
sl@0: TInt CMMCameraClientSession::FramesPerBuffer() const
sl@0: 	{
sl@0: 	return 0;	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Set the Jpeg quality.
sl@0:  * 
sl@0:  * @see CCamera::SetJpegQuality()
sl@0:  */
sl@0: void CMMCameraClientSession::SetJpegQuality(TInt /*aQuality*/)
sl@0: 	{
sl@0: 	return;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieve the Jpeg quality.
sl@0:  * 
sl@0:  * @see CCamera::JpegQuality()
sl@0:  */
sl@0: TInt CMMCameraClientSession::JpegQuality() const
sl@0: 	{
sl@0: 	return 0;	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves a custom interface based on the id passed in by the client.
sl@0:  * 
sl@0:  * @see CCamera::CustomInterface()
sl@0:  */
sl@0: TAny* CMMCameraClientSession::CustomInterface(TUid aInterface)
sl@0: 	{
sl@0: 	switch (aInterface.iUid)
sl@0: 		{
sl@0: 		// The framework retrieves KECamMCameraV2DirectViewFinderUidValue followed by KECamMCameraBaseV2DirectViewFinderUidValue
sl@0: 		// We take care to initialise iDirectViewFinder in the first case and use it in the subsequent call
sl@0: 		case KECamMCameraV2DirectViewFinderUidValue:
sl@0: 			{
sl@0: 			ASSERT(!iDirectViewFinder);
sl@0: 			TRAPD(err, iDirectViewFinder = CMMDirectViewFinder::NewL(*this));
sl@0: 			if (err != KErrNone)
sl@0: 				{
sl@0: 				return NULL;
sl@0: 				}
sl@0: 
sl@0: 			return static_cast<MCameraV2DirectViewFinder*>(iDirectViewFinder);
sl@0: 	        }
sl@0: 
sl@0: 		case KECamMCameraBaseV2DirectViewFinderUidValue:
sl@0: 			{
sl@0: 			ASSERT(iDirectViewFinder);
sl@0: 			iVF = static_cast<MCameraViewFinder*>(iDirectViewFinder);
sl@0: 			//delete iDirectViewFinder;
sl@0: 			iDirectViewFinder = NULL;
sl@0: 			return iVF;
sl@0: 	        }
sl@0: 
sl@0: 		default:
sl@0: 			{
sl@0: 			return NULL;
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: //
sl@0: // From CCameraInfoPlugin
sl@0: //
sl@0: CMMCameraClientSessionInfo* CMMCameraClientSessionInfo::NewL()
sl@0: 	{
sl@0: 	FileDependencyUtil::CheckFileDependencyL();
sl@0: 	return new (ELeave) CMMCameraClientSessionInfo;
sl@0: 	}
sl@0: 
sl@0: CMMCameraClientSessionInfo::~CMMCameraClientSessionInfo()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Retrieves the number of cameras available.
sl@0:  * 
sl@0:  * @see CCameraInfoPlugin::CamerasAvailable()
sl@0:  */
sl@0: TInt CMMCameraClientSessionInfo::CamerasAvailable()
sl@0: 	{
sl@0: 	// One-off connection to the server
sl@0: 	RMMCameraSession cameraSession;
sl@0: 	TInt error = cameraSession.Connect();
sl@0: 	if (error != KErrNone)
sl@0: 		{
sl@0: 		return 0;
sl@0: 		}
sl@0: 
sl@0: 	TCamerasAvailable info;
sl@0: 	TCamerasAvailablePckg pckg(info);
sl@0: 
sl@0: 	error = cameraSession.SendMessage(ECamQueryCamerasAvailable, pckg);
sl@0: 	cameraSession.Close();
sl@0: 	if (error != KErrNone)
sl@0: 		{
sl@0: 		return 0;
sl@0: 		}
sl@0: 
sl@0: 	info = pckg();
sl@0: 	return info.iCameraCount;
sl@0: 	}
sl@0: 
sl@0: CMMCameraClientSessionInfo::CMMCameraClientSessionInfo()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: void FileDependencyUtil::CheckFileDependencyL()
sl@0: 	{	
sl@0: 	RFs fsSession;
sl@0:   	RFile file;
sl@0:     CleanupClosePushL(fsSession);
sl@0:   	User::LeaveIfError(fsSession.Connect());
sl@0:     TInt err = file.Open(fsSession, KMMCameraPluginName, EFileRead);
sl@0:   	file.Close();
sl@0:   	if(err != KErrNone)
sl@0:   		{
sl@0: 	    User::LeaveIfError(KErrNotSupported);
sl@0:   		}
sl@0:   	CleanupStack::PopAndDestroy(&fsSession);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: //
sl@0: // CLASS CMMCameraAccessHandler
sl@0: //
sl@0: 
sl@0: CMMCameraAccessHandler::CMMCameraAccessHandler(CMMCameraClientSession* aPlugin, TInt aPriority): CActive(aPriority), 
sl@0: 																					   iPlugin(aPlugin)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CMMCameraAccessHandler* CMMCameraAccessHandler::NewL(CMMCameraClientSession* aPlugin, TInt aPriority)
sl@0: 	{
sl@0: 	CMMCameraAccessHandler* self = new (ELeave) CMMCameraAccessHandler(aPlugin, aPriority);
sl@0: 	CActiveScheduler::Add(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CMMCameraAccessHandler::~CMMCameraAccessHandler()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	}
sl@0: 
sl@0: void CMMCameraAccessHandler::Reserve()
sl@0: 	{
sl@0: 	if(!IsActive())
sl@0: 		{
sl@0: 		// Reserve the camera
sl@0: 		iPlugin->iCameraSession.ReceiveMessage(ECamCameraAccessControl, ECameraReservedNotification, iStatus);
sl@0: 		SetActive();
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		// Reserve has been called again before first call has completed so notify the client
sl@0: 		TECAMEvent ecamEvent(KUidECamEventReserveComplete, KErrInUse);
sl@0: 		iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMMCameraAccessHandler::RunL()
sl@0: 	{ 
sl@0: 	TInt ret = iStatus.Int();
sl@0: 
sl@0: 	if(!iPlugin->iReserved)
sl@0: 		{
sl@0: 		if(KErrNone == ret)
sl@0: 			{
sl@0: 			iPlugin->iReserved = ETrue;
sl@0: 			if(!IsActive())
sl@0: 				{
sl@0: 				// Continue monitoring for overthrow messages should a higher priority client reserve the same camera index
sl@0: 				iPlugin->iCameraSession.ReceiveMessage(ECamCameraAccessControl, ECameraOverthrowNotification, iStatus);
sl@0: 				SetActive();
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: 		// notify the client that reserve has completed, successfully or otherwise
sl@0: 		TECAMEvent ecamEvent(KUidECamEventReserveComplete, ret);	
sl@0: 		iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iPlugin->iReserved = EFalse;
sl@0: 
sl@0: 		if (ret == KErrNone)
sl@0: 			{
sl@0: 			// Client has been overthrown by a second client with higher priority
sl@0: 			TECAMEvent ecamEvent(KUidECamEventCameraNoLongerReserved, ret);
sl@0: 			iPlugin->iCameraObserver2->HandleEvent(ecamEvent);		
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMMCameraAccessHandler::DoCancel()
sl@0: 	{
sl@0: 	if(!iPlugin->iReserved)
sl@0: 		{
sl@0: 		iPlugin->iCameraSession.SendMessage(ECamCameraAccessControl, ECameraCancelReservedNotification);
sl@0: 
sl@0: 		// Notify client that ongoing reserve request was cancelled
sl@0: 		TECAMEvent ecamEvent(KUidECamEventReserveComplete, KErrCancel);
sl@0: 		iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iPlugin->iCameraSession.SendMessage(ECamCameraAccessControl, ECameraCancelOverthrowNotification);
sl@0: 		iPlugin->iReserved = EFalse;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: //
sl@0: //
sl@0: // CLASS CMMCameraPowerHandler
sl@0: //
sl@0: 
sl@0: CMMCameraPowerHandler::CMMCameraPowerHandler(CMMCameraClientSession* aPlugin, TInt aPriority): CActive(aPriority), 
sl@0: 																					 iPlugin(aPlugin)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CMMCameraPowerHandler* CMMCameraPowerHandler::NewL(CMMCameraClientSession* aPlugin, TInt aPriority)
sl@0: 	{
sl@0: 	CMMCameraPowerHandler* self = new (ELeave) CMMCameraPowerHandler(aPlugin, aPriority);
sl@0: 	CActiveScheduler::Add(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CMMCameraPowerHandler::~CMMCameraPowerHandler()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	}
sl@0: 
sl@0: void CMMCameraPowerHandler::PowerOn()
sl@0: 	{ 
sl@0: 	if(!IsActive())
sl@0: 		{
sl@0: 		iPlugin->iCameraSession.ReceiveMessage(ECamPowerCamera, ECameraPowerOnNotification, iStatus);
sl@0: 		SetActive();
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		// PowerOn has been called again before first call has completed so notify the client
sl@0: 		TECAMEvent ecamEvent(KUidECamEventPowerOnComplete, KErrAlreadyExists);	
sl@0: 		iPlugin->iCameraObserver2->HandleEvent(ecamEvent);	
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMMCameraPowerHandler::RunL()
sl@0: 	{ 
sl@0: 	TInt ret = iStatus.Int();
sl@0: 
sl@0: 	if(!iPlugin->iPoweredUp)
sl@0: 		{
sl@0: 		if (ret == KErrNone)
sl@0: 			{
sl@0: 			iPlugin->iPoweredUp = ETrue;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	TECAMEvent ecamEvent(KUidECamEventPowerOnComplete, ret);	
sl@0: 	iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
sl@0: 	}
sl@0: 
sl@0: void CMMCameraPowerHandler::DoCancel()
sl@0: 	{
sl@0: 	if(!iPlugin->iPoweredUp)
sl@0: 		{
sl@0: 		iPlugin->iCameraSession.SendMessage(ECamPowerCamera, ECameraCancelPowerOnNotification);
sl@0: 		} 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // __________________________________________________________________________
sl@0: // Exported proxy for instantiation method resolution
sl@0: // Define the interface UIDs
sl@0: const TImplementationProxy ImplementationTable[] = 
sl@0: 	{
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KUidMMCameraClientSession, CMMCameraClientSession::NewL),
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KUidMMCameraClientSessionInfo, CMMCameraClientSessionInfo::NewL)
sl@0: 	};
sl@0: 
sl@0: EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
sl@0: 	{
sl@0: 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
sl@0: 
sl@0: 	return ImplementationTable;
sl@0: 	}