diff -r 26673e532f65 -r 159fc2f68139 ImagePrint/ImagePrintEngine/DeviceProtocols/btprotocol/src/crsbtdiscoverengine.cpp
--- a/ImagePrint/ImagePrintEngine/DeviceProtocols/btprotocol/src/crsbtdiscoverengine.cpp	Tue May 25 12:42:41 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,550 +0,0 @@
-/*
-* Copyright (c) 2004-2007 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:  Contains the CRsBtDiscoverEngine class definition and its observer
-* 	 		     definition (MBtDiscoveryObserver).
-*
-*/
-
-
-#include "crsbtdiscoverengine.h"
-#include "cbtdiscover.h"
-#include "crsbtdevice.h"
-#include "rsutils.h"
-#include "cbtdevicecontainer.h"
-#include "btprotocolconsts.h"
-#include "clog.h"
-
-//////////////////////////////////////////////////////////////////////
-// Construction/Destruction
-//////////////////////////////////////////////////////////////////////
-CRsBtDiscoverEngine* CRsBtDiscoverEngine::NewL(MBtDiscoveryObserver& aObs)
-{
-	CRsBtDiscoverEngine* self = new (ELeave) CRsBtDiscoverEngine(aObs);
-	CleanupStack::PushL(self);
-	self->ConstructL();
-	CleanupStack::Pop(self);
-	return self;
-}
-
-
-CRsBtDiscoverEngine::CRsBtDiscoverEngine(MBtDiscoveryObserver& aObs)
-	: CActive(CActive::EPriorityStandard),
-	iState(EFindingDevices),
-	iObserver(aObs),
-	iDevice(NULL),
-	iRequestedProtocols(0)
-{
-		CActiveScheduler::Add(this);
-}
-
-/**
- * @brief Second phase constructor.
- *
- * @param aFolderToUser Folder where the device cache will be read/stored.
- */
-void CRsBtDiscoverEngine::ConstructL()
-	{
-	iDiscover = CBtDiscover::NewL();
-	iDelayFindDevices.CreateLocal();
-	iTimeout = CBtTimer::NewL( *this );
-	}
-
-/**
- * @brief Destructor.
- */
-CRsBtDiscoverEngine::~CRsBtDiscoverEngine()
-	{
-	LOG("CRsBtDiscoverEngine::~CRsBtDiscoverEngine begin");
-	Cancel();
-	delete iDiscover;
-	ResetDevice();
-	iFoundBeforeArray.Close();
-	iDelayFindDevices.Close();
-	delete iTimeout;
-	LOG("CRsBtDiscoverEngine::~CRsBtDiscoverEngine end");
-	}
-
-/**
- * @brief Cancels asynchronous tasks of this active object. Terminates the Device and Service Discovery.
- */
-void CRsBtDiscoverEngine::DoCancel()
-	{
-	LOG("CRsBtDiscoverEngine::DoCancel begin");
-	ResetDevice();
-	iTimeout->Cancel();
-	iDiscover->Stop();
-	iDiscover->StopSDP();
-	iDelayFindDevices.Cancel();
-	iFoundBeforeArray.Reset();
-	LOG("CRsBtDiscoverEngine::DoCancel end");
-	}
-
-/**
- * @brief Called by the Active Scheduler when an asynchronous call finish.
- */
-void CRsBtDiscoverEngine::RunL()
-	{
-	LOG1("CRsBtDiscoverEngine::RunL iStatus.Int(): %d", iStatus.Int());
-	LOG1("CRsBtDiscoverEngine::RunL iState: %d", iState);
-
-	iTimeout->Cancel();
-
-	if( iStatus != KErrNone )
-		{
-		switch( iState )
-			{
-			case EDelayFindDevices:
-				LOG1("[CRsBtDiscoverEngine::RunL]\t Try to find again... (error %d)", iStatus.Int());
-				break;
-			case EFindingDevices:
-				if( iStatus == (KHCIErrorBase - ECommandDisallowed) )
-					{
-					LOG("[CRsBtDiscoverEngine::RunL]\t Retry discovery");
-					iState = EDelayFindDevices;
-					iDelayFindDevices.Cancel();
-					iDelayFindDevices.After(iStatus,500000);
-					SetActive();
-					break;
-					}
-				else if (iStatus == KErrHostResNoMoreResults)
-					{
-					LOG("[CRsBtDiscoverEngine::RunL]\t No more devices, all found.");
-					ResetDevice();
-					//Make call to callback function informing that all is done
-					iObserver.HandleDiscoveryEvent(MBtDiscoveryObserver::EDoneFindingPrinters, KErrNone);
-					break;
-					}
-			default:
-				LOG1("[CRsBtDiscoverEngine::RunL]\t Leave error %d", iStatus.Int());
-				User::Leave(iStatus.Int());
-				break;
-			}
-		}
-	else
-		{
-			switch( iState )
-				{
-				case EFindingDevices:
-					if( CheckBtDevice() )
-						{
-						TNameRecord name = iDiscover->GetNameRecord();
-						TBTDevAddr addr = ((TBTSockAddr)name.iAddr).BTAddr();
-						TInt nPos = iFoundBeforeArray.Find( addr );
-
-						if( nPos == KErrNotFound )
-							{
-							// found new printer, add to list and check service capabilities
-							User::LeaveIfError( iFoundBeforeArray.Append( addr ) );
-							ServiceDiscoveryL();
-							break;
-							}
-						}
-						ContinueDiscovery();
-					break;
-				case EGettingServices:
-					if( ComposeDeviceL() )
-						{
-						LOG1("CRsBtDiscoverEngine::RunL wanted device: %S", &(iDiscover->GetDeviceName()));
-						//Make call to callback function informing that new device has been found.
-						iObserver.HandleDiscoveryEvent(MBtDiscoveryObserver::EFoundBtPrinter, iStatus.Int());
-						}
-					//And search for more devices
-					ContinueDiscovery();
-					break;
-
-				case EDelayFindDevices:
-					StartDiscovery();
-					break;
-				default:
-					break;
-			}
-		}
-
-	LOG("CRsBtDiscoverEngine::RunL end");
-	}
-
-TInt CRsBtDiscoverEngine::RunError(TInt aError)
-	{
-	LOG1("CRsBtDiscoverEngine::RunError aError: %d", aError);
-	Stop();
-	
-	//Make call to callback function informing that there was an error.
-	iObserver.HandleDiscoveryEvent(MBtDiscoveryObserver::EErrorDuringDiscover,iStatus.Int());
-	LOG("CRsBtDiscoverEngine::RunError end");
-	return KErrNone;
-	}
-
-/**
- * @brief Starts the asynchronous discovery of devices.
- *
- * Starts the asynchronous discovery of devices, it will first report
- * the devices that are stored on the cache from a previous run.
- * If no devices were returned from the cache, it will start the
- * Bluetooth discovery process inmediatly.
- *
- * @param aRequestedProtocols The requested protocols.
- */
-void CRsBtDiscoverEngine::Start(TUint aRequestedProtocols)
-	{
-	LOG1("[CRsBtDiscoverEngine::StartL]\t aRequestedProtocols: %d", aRequestedProtocols);
-	iRequestedProtocols = aRequestedProtocols;
-	iFoundBeforeArray.Reset();
-
-	if(!iDiscover->IsFindingDevices() && !iDiscover->IsDoingSDP())
-		{
-		LOG("[CRsBtDiscoverEngine::StartL]\t inside IF clause");
-		Cancel();
-		ResetDevice();
-
-		StartDiscovery();
-		}
-
-	LOG("[CRsBtDiscoverEngine::StartL]\t exit");
-	}
-
-/**
- * @brief Stops the asynchronous discovery of devices.
- *
- * Starts the asynchronous discovery of devices, it will first report
- * the devices that are stored on the cache from a previous run.
- * If no devices were returned from the cache, it will start the
- * Bluetooth discovery process inmediatly.
- *
- * @param aRequestedProtocols The requested protocols.
- */
-void CRsBtDiscoverEngine::Stop()
-	{
-	LOG("[CRsBtDiscoverEngine::Stop]\t");
-	
-	if(IsActive())
-		Cancel();
-	else
-		DoCancel();
-	
-	LOG("[CRsBtDiscoverEngine::Stop]\t exit");
-	}
-
-/**
- * @brief Start the asynchronous Bluetooth discovery process.
- *
- * This function calls the method CBtDiscover::FindDevicesL() which
- * will cause RunL() with status EFindingDevices to be called when a
- * device is discovered. All bluetooth devices will be find, and RunL()
- * will determine if it might be a device that we can use.
- *
- * @sa FindMoreDevices()
- */
-void CRsBtDiscoverEngine::StartDiscovery()
-	{
-	LOG("[CRsBtDiscoverEngine::StartDiscovery]\t begin");
-	iState = EFindingDevices;
-	iDiscover->Start( iStatus );
-
-	LOG1( "[CRsBtDiscoverEngine::StartDiscovery]\t iStatus.Int(): 0x%X", iStatus.Int() );
-	if( iStatus == KErrNotSupported )
-	{
-		// cleanup if error
-		iDiscover->Stop();
-		TRequestStatus *tmpStat = &iStatus;
-		User::RequestComplete(tmpStat, KErrHostResNoMoreResults);
-	}
-	else
-	{
-		iTimeout->Cancel();
-		iTimeout->Start(KDiscoveryDelay);
-	}
-	SetActive();
-	LOG("[CRsBtDiscoverEngine::StartDiscovery]\t end");
-	}
-
-/**
- * @brief Find the next device.
- *
- * It the current state is ESendingCached this will call
- * ReportCachedDeviceL() again to fetch the next cached device.
- *
- * If the state is ERemovingStale it will call
- * RemoveStalePrintersL() again to remove the next stale device.
- *
- * Otherwise, it will call CBtDiscover::FindMoreDevices() to
- * discover another device.
- */
-void CRsBtDiscoverEngine::ContinueDiscovery()
-	{
-	LOG1("[CRsBtDiscoverEngine::ContinueDiscoveryL]\t begin iState: %d", iState);
-
-	Cancel();
-
-	iState = EFindingDevices;
-	iDiscover->GetNextDevice(iStatus);
-	iTimeout->Cancel();
-	iTimeout->Start(KDiscoveryDelay);
-	SetActive();
-
-	}
-
-void CRsBtDiscoverEngine::HandleTimeoutL()
-	{
-	LOG("[CRsBtDiscoverEngine::HandleTimeoutL]\t begin");
-
-	Stop();
-	if (iState == EGettingServices && IsActive())
-	{
-		LOG("[CRsBtDiscoverEngine::StopServiceDiscovery]\t complete iStatus IS IT OK???");
-		TRequestStatus *tmpStat = &iStatus;
-		User::RequestComplete(tmpStat, KErrNone);
-	}
-	iObserver.HandleDiscoveryEvent(MBtDiscoveryObserver::EDoneFindingPrinters, KErrNone);
-
-	LOG("[CRsBtDiscoverEngine::HandleTimeoutL]\t end");
-	}
-
-/**
- * @brief Determine if the BT Device could be a device we need.
- *
- * When any BT Device is discovered RunL() will be called, and it
- * will use this function to do a first check on the device to see
- * if it is a device that we could use, or if it is a device that
- * is totally unrelated to printing and we can ignore rigth away.
- *
- * Currently we are checking if the device is either a Rendering
- * device or a Computer device. If it is a computer it should support
- * Object Transfers to be useful.
- *
- * With this first check we can't be 100% sure if this is a device
- * that we can use. If it is a potentially useful device we will need
- * to do a Service Discovery (SDP) check later.
- *
- * @return ETrue if this is an appropiate BT Device, EFalse if this device must be ignored.
- *
- * @sa ServiceDiscoveryL()
- */
-TBool CRsBtDiscoverEngine::CheckBtDevice()
-	{
-	// Algorithm to understand Device / Service Class bits
-
-	//1. Are "Rendering"0x40000 and "Object Transfer"0x100000 bits set in the Major Service
-	//   Class field? If not, check if it is a Computer and Supports Object Transfer.
-	//2. If it is a Rendering device and the Major Device Class is "Imaging"0x600, is the "Printer"0x80 bit set in
-	//   the Minor Device Class field? If not, ignore this Bluetooth device.
-	//3. If the device was a Computer and it supports Object Transfer, check that
-	//   the MinorDeviceClass Field is any of  Desktop | Laptop | Server.
-
-	// http://www.bluetooth.org/assigned-numbers/baseband.htm
-	// http://www.bluetooth.org/assigned-numbers/sdp.htm
-
-	TUint32 devClass = iDiscover->GetDeviceClass().DeviceClass();
-	LOG1("[CRsBtDiscoverEngine::CheckBtDevice]\t devClass: %d", devClass);
-
-	TBool potentialDevice = EFalse;
-	
-	if( !(devClass & KBTMjrSvcClassObjectTransfer_V2) )
-	{
-		LOG("[CRsBtDiscoverEngine::CheckBtDevice]\t !KBTMjrSvcClassObjectTransfer_V2 -> return");
-		return potentialDevice;
-	}
-	
-	if (devClass & KBTMjrSvcClassRendering_V2)
-	{
-		if( (devClass & KBTMjrDevClassImaging_V2) && !(devClass & KBTMinDevClassPrinter_V2) )
-		{
-			// Other imaging device
-			LOG("[CRsBtDiscoverEngine::CheckBtDevice]\t other imaging device");
-			potentialDevice = EFalse;
-		}
-		else
-		{
-			// Possibly a BPP printer,
-			LOG("[CRsBtDiscoverEngine::CheckBtDevice]\t KBTMjrSvcClassRendering_V2 and KBTMjrSvcClassObjectTransfer_V2");
-			potentialDevice = ETrue;
-		}
-	}
-	else if(devClass & KBTMjrDevClassComputer)
-	{
-		// Note: If it is a Rendering Device, it could support BPP or OPP or both. So we will need to do a SDP to know.
-		// On the other hand, if the Device is of Class Computer, we can check here if we want the device or not
-		// by checking if iRequestedProtocols contains KImagePrint_PrinterProtocol_OPP_PC. If not, then we don't want
-		// any Computer Devices.
-
-		
-		if ( (iRequestedProtocols & KImagePrint_PrinterProtocol_OPP_PC) &&
-		     ( (devClass & KBTMinDevClassDesktop) || 
-		       (devClass & KBTMinDevClassServer) || 
-		       (devClass & KBTMinDevClassLaptop) ) )
-		{
-			LOG("[CRsBtDiscoverEngine::CheckBtDevice] OPP Computers were requested and this is a computer");
-			potentialDevice = ETrue;
-		}
-	}
-	
-	LOG1("[CRsBtDiscoverEngine::CheckBtDevice]\t potentialDevice: %d", potentialDevice);
-	return potentialDevice;
-	}
-
-/**
- * @brief Start SDP (Service Discovery Protocol) on a device.
- *
- * Start SDP (Service Discovery Protocol) on a device to make sure that
- * it supports the services needed by this system. The Services that
- * we are looking for are DirectPrinting (BPP) and OBEX Object Push (OPP).
- *
- * This method will only call CBtDiscover::VerifyServiceSupportL() which
- * is an asynchronous call. RunL() will be called back when the results are
- * ready.
- */
-void CRsBtDiscoverEngine::ServiceDiscoveryL()
-	{
-		iDiscover->GetSupportedServicesL(iStatus, KBtMaskObexLevel);
-		iState = EGettingServices;
-		SetActive();
-	}
-
-void CRsBtDiscoverEngine::StopServiceDiscovery()
-{
-	LOG1("[CRsBtDiscoverEngine::StopServiceDiscovery]\t iState %d",iState);
-	if (iState == EGettingServices && IsActive())
-	{
-		LOG("[CRsBtDiscoverEngine::StopServiceDiscovery]\t complete iStatus IS IT OK???");
-		TRequestStatus *tmpStat = &iStatus;
-		User::RequestComplete(tmpStat, KErrNone);
-	}
-	iDiscover->StopSDP();
-}
-
-/**
- * @brief Compose the device.
- *
- * When a Service Discovery has finished, we need to see
- * if the services that we want were found on the device.
- * This function will also tell if this device supports a
- * protocol that was requested.
- *
- * If a device was determined to support BPP and/or OPP it 
- * supports a protocol this library can manage.
- *
- * For example:
- * If the libray is requesting devices that support
- * the protocol KImagePrint_PrinterProtocol_OPP_Printer and the
- * current device supports only KImagePrint_PrinterProtocol_BPP
- * then this device will be handled because this library
- * can manage BPP Printers. But this device will not be used because
- * the library is currently requesting only the OPP_Printer protocol.
- * In this case ComposeDeviceL() will return EFalse, indicating that
- * we won't use this device.
- *
- * @return ETrue if this is a device that we can use, EFalse if this device cannot be used.
- */
-TBool CRsBtDiscoverEngine::ComposeDeviceL()
-	{
-	LOG("[CRsBtDiscoverEngine::ComposeDeviceL]\t begin");
-
-	TBool wantedDevice( EFalse );
-	TNameRecord name = iDiscover->GetNameRecord();
-	ResetDevice();
-	CRsBtDevice *device = CRsBtDevice::NewLC( name );
-
-	TUint supportedProtocols( 0 );
-	if( iDiscover->IsBPPSupported() )
-		{
-		LOG("[CRsBtDiscoverEngine::ComposeDeviceL]\t BPP supported");
-		// We indicate that this device does support this protocol
-		supportedProtocols = KImagePrint_PrinterProtocol_BPP;
-		// But we still need to see if that protocol was requested.
-		if( iRequestedProtocols & KImagePrint_PrinterProtocol_BPP )
-			{
-			device->SetBPPPort( iDiscover->GetBPPPort() );
-			device->SetSTSPort( iDiscover->GetSTSPort() );
-			wantedDevice = ETrue;
-			}
-		}
-
-	if( iDiscover->IsOPPSupported() )
-		{
-		// It must be either a Computer or a Printer, but NOT both!
-		TBTDeviceClass deviceClass = device->DeviceClass();
-
-		if( deviceClass.DeviceClass() & KBTMjrDevClassComputer )
-			{
-			LOG("[CRsBtDiscoverEngine::ComposeDeviceL]\t OPP computer");
-			supportedProtocols |= KImagePrint_PrinterProtocol_OPP_PC;
-			if( iRequestedProtocols & KImagePrint_PrinterProtocol_OPP_PC )
-				{
-				device->SetOPPPort(iDiscover->GetOPPPort());
-				wantedDevice = ETrue;
-				}
-			}
-		else
-			{
-			LOG("[CRsBtDiscoverEngine::ComposeDeviceL]\t OPP printer(?)");
-			supportedProtocols |= KImagePrint_PrinterProtocol_OPP_Printer;
-			if( iRequestedProtocols & KImagePrint_PrinterProtocol_OPP_Printer )
-				{
-				device->SetOPPPort(iDiscover->GetOPPPort());
-				wantedDevice = ETrue;
-				}
-			}
-		}
-
-	// Store if wanted device
-	if( wantedDevice )
-		{
-		LOG1("[CRsBtDiscoverEngine::ComposeDeviceL]\t iRequestedProtocols: %d", iRequestedProtocols);
-		LOG1("[CRsBtDiscoverEngine::ComposeDeviceL]\t supportedProtocols: %d", supportedProtocols);
-		device->SetSupportedProtocols(supportedProtocols);
-		device->SetPrinterModelL(iDiscover->GetPrinterModel());
-		device->SetVendor(iDiscover->GetVendor());
-		device->SetJustFound(ETrue);
-
-		iDevice = device;
-		CleanupStack::Pop(device);
-		device = NULL;
-		LOG1("[CRsBtDiscoverEngine::ComposeDeviceL]\t iDevice: %d", iDevice);
-		}
-	else
-		{
-		LOG("[CRsBtDiscoverEngine::ComposeDeviceL]\t NOT wanted device, don't store");
-		CleanupStack::PopAndDestroy(device);
-		}
-
-	// We have now added this device to the cache, along with the protocols
-	// that it supports. However we wont report it if it does not support
-	// the specific protocol that was requested.
-
-	LOG1("[CRsBtDiscoverEngine::ComposeDeviceL]\t end with: %d", wantedDevice);
-	return wantedDevice;
-	}
-
-/**
- * @brief Obtain the current device.
- *
- * @param[out] aSequence Will obtain the position the current device.
- *
- * @return A reference to the current CRsBtDevice.
- */
-CRsBtDevice& CRsBtDiscoverEngine::GetDevice()
-	{
-	return *iDevice;
-	}
-
-void CRsBtDiscoverEngine::ResetDevice()
-{
-	if(iDevice)
-		{
-		delete iDevice;
-		iDevice = NULL;
-		}
-}
-
-//  End of File
-