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 "mmcameraserver.h"
sl@0: #include "mmcameraserversession.h"
sl@0: #include "mmcameraservercontroller.h"
sl@0: #include "mmcameraservershutdown.h"
sl@0: 
sl@0: 
sl@0: CMMCameraServer* CMMCameraServer::NewLC()
sl@0: 	{
sl@0: 	CMMCameraServer* self = new(ELeave) CMMCameraServer();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CMMCameraServer::CMMCameraServer() 
sl@0: 	: CServer2 (CActive::EPriorityStandard),
sl@0:     iCamSessionCount(0),
sl@0:     iCamControllerQ(_FOFF(CMMCameraServerController,iCamCntrlLink))
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CMMCameraServer::~CMMCameraServer()
sl@0: 	{
sl@0: 	if (iShutdown)
sl@0: 		{
sl@0: 		iShutdown->Cancel();
sl@0: 		}
sl@0: 
sl@0: 	while (!iCamControllerQ.IsEmpty())   // free the memory on the heap used for controller queues 
sl@0: 		{
sl@0: 		CMMCameraServerController *pCntrl = iCamControllerQ.First();
sl@0: 		delete pCntrl;
sl@0: 		}
sl@0: 
sl@0: 	delete iPolicyManager;
sl@0: 	delete iShutdown;
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServer::ConstructL()
sl@0: 	{
sl@0: 	iPolicyManager = CMMCameraServerPolicyManager::NewL();
sl@0: 	StartL(KMMCameraServerName);
sl@0: 
sl@0: 	iShutdown = CMMCameraServerShutdown::NewL();
sl@0: 	iShutdown->Start();
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServer::AddSession()
sl@0: 	{
sl@0:     ++iCamSessionCount;
sl@0:     if(iCamSessionCount == 1)
sl@0:         {
sl@0:     	iShutdown->Cancel();
sl@0:         }
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServer::DropSession()
sl@0: 	{
sl@0: 	--iCamSessionCount; 
sl@0: 	if(iCamSessionCount == 0)
sl@0: 	    {
sl@0: 	    if (!iShutdown->IsActive())
sl@0: 			{
sl@0: 	    	iShutdown->Start();
sl@0: 			}
sl@0: 	    }
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Provides a Camera controller object for the specified camera index.
sl@0:  */
sl@0: void CMMCameraServer::GetCameraControllerL(TInt aCameraIndex, CMMCameraServerController*& aCameraController)
sl@0: 	{
sl@0: 	TDblQueIter<CMMCameraServerController> controllerIterator(iCamControllerQ);
sl@0: 	controllerIterator.SetToFirst();
sl@0: 	CMMCameraServerController* pCntrl = controllerIterator;
sl@0: 
sl@0: 	// loop through iterator to find desired camera controller
sl@0: 	while(pCntrl)
sl@0: 		{
sl@0: 		if(aCameraIndex == pCntrl->CameraIndex())
sl@0: 			{
sl@0: 			// found required controller
sl@0: 			aCameraController = controllerIterator;
sl@0: 			break;
sl@0: 			}
sl@0: 		controllerIterator++;
sl@0: 		pCntrl = controllerIterator;
sl@0: 		}
sl@0: 
sl@0: 	// No controllers exist for specified camera index so create new one and append to queue
sl@0: 	if(!pCntrl)
sl@0: 		{
sl@0: 		aCameraController = CMMCameraServerController::NewL(aCameraIndex);
sl@0: 		iCamControllerQ.AddLast(*aCameraController);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServer::GetCameraControllerQueryL(CMMCameraServerControllerQuery*& aCameraControllerQuery)
sl@0: 	{
sl@0: 	aCameraControllerQuery = CMMCameraServerControllerQuery::NewL();
sl@0: 	}
sl@0: 
sl@0: CSession2* CMMCameraServer::NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const
sl@0: 	{
sl@0: 	// Check that the version is OK
sl@0:     TVersion version(KECamServMajorVerNumber, KECamServMinorVerNumber, KECamServBuildVerNumber);
sl@0:     if (!User::QueryVersionSupported(version, aVersion))
sl@0:     	{
sl@0:     	User::Leave(KErrNotSupported);
sl@0:     	}
sl@0: 
sl@0: 	iPolicyManager->OnConnectL(aMessage);
sl@0: 	
sl@0: 	return new(ELeave) CMMCameraServerSession();
sl@0: 	}
sl@0: 
sl@0: TInt CMMCameraServer::RunError(TInt aError)
sl@0: 	{
sl@0: 	Message().Complete(aError); //send error back to client
sl@0: 	// should have :- if(!IsActive())
sl@0: 	ReStart();
sl@0: 
sl@0: 	return (KErrNone);
sl@0: 	}
sl@0: 
sl@0: void CMMCameraServer::PanicClient(const RMessage2& aMessage, TServerPanic aPanic)
sl@0: 	{
sl@0: 	_LIT(KPanic, "MMCameraServer");
sl@0: 	aMessage.Panic(KPanic, aPanic);
sl@0: 	}