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/*
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* Copyright (c) 2002 - 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Implements OBEX class controller
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*
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*/
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#include "CUsbObexClassController.h"
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#include <usb_std.h>
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#include <obex.h>
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#include <SrcsInterface.h>
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#include <mmf/common/mmfcontrollerpluginresolver.h> //for CleanupResetAndDestroyPushL
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#include <musbclasscontrollernotify.h>
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// Panic category only used in debug builds
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#ifdef _DEBUG
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_LIT( KObexCcPanicCategory, "OBEXCC" );
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#endif
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#ifdef __FLOG_ACTIVE
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_LIT8(KLogComponent, "UsbObexCc");
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#endif
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/**
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* Panic codes for the USB OBEX Class Controller.
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*/
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enum TObexCCPanic
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{
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/** Illigal calling of asynchronous function */
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EBadAsynchronousCall = 0,
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/** Start() called while in an illegal state */
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EBadApiCallStart = 1,
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/** Stop() called while in an illegal state */
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EBadApiCallStop = 2,
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};
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// ---------------------------------------------------------------------------
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// Constructs a CUsbObexClassController object.
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// ---------------------------------------------------------------------------
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//
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CUsbObexClassController* CUsbObexClassController::NewL(
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MUsbClassControllerNotify& aOwner)
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{
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LOG_STATIC_FUNC_ENTRY
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CUsbObexClassController* self = new (ELeave) CUsbObexClassController(aOwner);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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return self;
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}
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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//
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CUsbObexClassController::CUsbObexClassController(
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MUsbClassControllerNotify& aOwner)
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: CUsbClassControllerPlugIn(aOwner, KObexClassPriority)
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{
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LOG_FUNC
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iState = EUsbServiceIdle;
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}
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// ---------------------------------------------------------------------------
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// Method to perform second phase construction.
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// ---------------------------------------------------------------------------
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//
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void CUsbObexClassController::ConstructL()
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{
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LOG_FUNC
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iObexSM = CObexUSB::NewL();
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iObexSMWatcher = CObexSMWatcher::NewL(*this);
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}
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// ---------------------------------------------------------------------------
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// From class CUsbClassControllerPlugIn.
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// Destructor
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// ---------------------------------------------------------------------------
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//
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CUsbObexClassController::~CUsbObexClassController()
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{
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LOG_FUNC
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Cancel();
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delete iObexSM;
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delete iObexSMWatcher;
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}
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// ---------------------------------------------------------------------------
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// From class CUsbClassControllerPlugIn.
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// Called by UsbMan to start this class.
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// ---------------------------------------------------------------------------
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//
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void CUsbObexClassController::Start(TRequestStatus& aStatus)
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{
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LOG_FUNC
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//Start() should never be called if started, starting or stopping (or in state EUsbServiceFatalError)
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__ASSERT_DEBUG(iState == EUsbServiceIdle, _USB_PANIC(KObexCcPanicCategory, EBadApiCallStart));
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// Start OBEX SM
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iRequestStatus = &aStatus;
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iState = EUsbServiceStarting;
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aStatus = KRequestPending;
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LOGTEXT(_L8("CUsbObexClassController::Start() calling ManageUSBService(ETrue)"));
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iObexSM->ManageUSBServices(ETrue, iStatus);
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SetActive();
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}
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// ---------------------------------------------------------------------------
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// From class CUsbClassControllerPlugIn.
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// Called by UsbMan to stop this class.
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// ---------------------------------------------------------------------------
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//
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void CUsbObexClassController::Stop(TRequestStatus& aStatus)
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{
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LOG_FUNC
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LOGTEXT2(_L8("CUsbObexClassController::Stop iState = %d"), iState);
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//Stop() should never be called if stopping or starting (or in state EUsbServiceFatalError)
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__ASSERT_DEBUG(iState == EUsbServiceStarted || iState == EUsbServiceIdle, _USB_PANIC(KObexCcPanicCategory, EBadApiCallStop));
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//state may be idle after Cancel
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if ( iState == EUsbServiceIdle )
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{
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TRequestStatus* status = &aStatus;
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User::RequestComplete(status, KErrNone);
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}
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else
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{
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// Stop OBEX SM
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iRequestStatus = &aStatus;
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iState = EUsbServiceStopping;
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aStatus = KRequestPending;
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LOGTEXT(_L8("CUsbObexClassController::Stop() calling ManageUSBService(EFalse)"));
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iObexSM->ManageUSBServices(EFalse, iStatus);
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SetActive();
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}
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}
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// ---------------------------------------------------------------------------
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// From class CActive.
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// ---------------------------------------------------------------------------
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//
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void CUsbObexClassController::RunL()
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{
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LOG_FUNC
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if (iStatus != KErrNone)
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{
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LOGTEXT2(_L8("CUsbObexClassController::RunL() Error = %d"), iStatus.Int());
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User::RequestComplete(iRequestStatus, iStatus.Int());
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return;
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}
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LOGTEXT2(_L8("CUsbObexClassController::RunL() State is %d"), iState);
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switch (iState)
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{
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case EUsbServiceStarting:
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iState = EUsbServiceStarted;
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User::RequestComplete(iRequestStatus, KErrNone);
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break;
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case EUsbServiceStopping:
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iState = EUsbServiceIdle;
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User::RequestComplete(iRequestStatus, KErrNone);
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break;
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case EUsbServiceStarted:
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case EUsbServiceIdle:
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default:
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LOGTEXT(_L8("CUsbObexClassController::RunL() Error or Unknown State"));
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break;
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}
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}
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// ---------------------------------------------------------------------------
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// From class CUsbClassControllerPlugIn.
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// Returns information about the interfaces supported by this class.
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// ---------------------------------------------------------------------------
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//
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void CUsbObexClassController::GetDescriptorInfo(TUsbDescriptor& aDescriptorInfo) const
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{
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LOG_FUNC
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TRAPD(ret, DoGetDescriptorInfoL(aDescriptorInfo));
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if(ret!=KErrNone)
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{
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LOGTEXT2(_L8("CUsbObexClassController::GetDescriptorInfo leave with code: %d"), ret);
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}
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}
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// ---------------------------------------------------------------------------
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// Leave version of GetDescriptor info function for fit in Class Controller framework.
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// Returns information about the interfaces supported by this class.
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// ---------------------------------------------------------------------------
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//
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void CUsbObexClassController::DoGetDescriptorInfoL(TUsbDescriptor& aDescriptorInfo) const
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{
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LOG_FUNC
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RImplInfoPtrArray implInfoArray;
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CleanupResetAndDestroyPushL(implInfoArray);
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TEComResolverParams resolverParams;
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resolverParams.SetDataType(KSrcsTransportUSB);
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resolverParams.SetWildcardMatch(EFalse);
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REComSession::ListImplementationsL(KCSrcsInterfaceUid, resolverParams, implInfoArray);
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LOGTEXT2(_L8("CUsbObexClassController::DoGetDescriptorInfoL Number of Interfaces is %d"),
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implInfoArray.Count());
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aDescriptorInfo.iNumInterfaces = (implInfoArray.Count())*KObexNumInterfaces;
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aDescriptorInfo.iLength = 0;
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CleanupStack::PopAndDestroy(&implInfoArray);
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}
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// ---------------------------------------------------------------------------
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// From class CActive.
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// Will only be called when an asynchronous request is currently active.
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// ---------------------------------------------------------------------------
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//
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void CUsbObexClassController::DoCancel()
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{
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LOG_FUNC
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switch (iState)
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{
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case EUsbServiceStarting:
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case EUsbServiceStopping:
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iObexSM->CancelManageUSBServices();
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break;
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default:
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__ASSERT_DEBUG( EFalse, _USB_PANIC(KObexCcPanicCategory, EBadAsynchronousCall) );
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break;
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}
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iState = EUsbServiceIdle;
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User::RequestComplete(iRequestStatus, KErrCancel);
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}
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// ---------------------------------------------------------------------------
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// From class CActive.
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// Should return KErrNone to avoid an active scheduler panic. This function
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// should never be called as there is another mechanism for catching errors.
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// ---------------------------------------------------------------------------
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//
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TInt CUsbObexClassController::RunError(TInt aError)
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{
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LOG_FUNC
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LOGTEXT2(_L8("CUsbObexClassController::RunError aError=%d"), aError);
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return KErrNone;
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}
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void CUsbObexClassController::MosmError(TInt aError)
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{
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LOG_FUNC
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LOGTEXT2(_L8("CUsbObexClassController::MosmError aError=%d"), aError);
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Owner().UccnError(aError);
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}
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// End of File
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