diff -r a36b1e19a461 -r 989d2f495d90 serviceproviders/sapi_sysinfo/sysinfoservice/src/sysaccessoryrequest.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serviceproviders/sapi_sysinfo/sysinfoservice/src/sysaccessoryrequest.cpp	Fri Jul 03 15:51:24 2009 +0100
@@ -0,0 +1,207 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  class implementation
+*
+*/
+
+#include <AccessoryConnection.h>
+
+#include "sysinfoservice.h"
+#include "sysaccessoryrequest.h"
+#include "entitykeys.h"
+#include "sysrequest.h"
+
+using namespace SysInfo;
+
+// --------------------------------------------------------------------
+// CAccessory::CAccessory()
+// C++ default constructor.
+// --------------------------------------------------------------------
+//
+CAccessory::CAccessory( TSysRequest::TRequestType aReqType, TInt32 aTransID,
+                    ISystemObserver* aObsrvr ): CActiveRequest(
+                    aReqType, aTransID, aObsrvr), iAccCountOld(0),
+                    iAccState(CAccessoryInfo::EDisconnected)
+    {
+    }
+
+// --------------------------------------------------------------------
+// CAccessory::~CAccessory()
+// destructor.
+// --------------------------------------------------------------------
+//
+CAccessory::~CAccessory()
+    {
+    Cancel();
+    iAccessoryConnection.CloseSubSession();
+    iAccSrv.Disconnect();
+    }
+
+// --------------------------------------------------------------------
+// CAccessory::NewL()
+// Two-phased constructor, returns instance of this class.
+// --------------------------------------------------------------------
+//
+CAccessory* CAccessory::NewL(const TSysRequest& aRequest)
+    {
+    CAccessory* self;
+    self = new (ELeave) CAccessory(aRequest.RequestType(),
+                            aRequest.TransactionID(), aRequest.Observer());
+
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+	
+// --------------------------------------------------------------------
+// CAccessory::ConstructL()
+// 2nd Phase constructor to allocate required resources for this obj.
+// --------------------------------------------------------------------
+//
+void CAccessory::ConstructL()
+    {
+    //Supportes Only Notifications.
+    if( TSysRequest::ENotification != RequestType())
+        User::Leave(KErrNotSupported);
+
+    User::LeaveIfError(iAccSrv.Connect());
+    TInt err = iAccessoryConnection.CreateSubSession(iAccSrv);
+    if( err )
+        {
+        iAccSrv.Disconnect();
+        User::Leave(err);
+        }
+    }
+	
+// --------------------------------------------------------------------
+// CAccessory::Request()
+// Issues accesssory request.
+// --------------------------------------------------------------------
+//
+TInt CAccessory::Request()
+    {
+    if(!iAccCountOld)
+        {
+        // get all connected accessories into iGenIdArrayOld.
+        iAccessoryConnection.GetAccessoryConnectionStatus(iGenIdArrayOld);
+        //Store Connection Count.
+        iAccCountOld = iGenIdArrayOld.Count();
+        }
+
+    //Issue request.
+    if( !IsActive() )
+        {
+        iAccessoryConnection.NotifyAccessoryConnectionStatusChanged(iStatus, 
+                                                                iGenIdArrayCur);
+        SetActive ();
+        }
+    return KErrNone;
+    }
+	
+// --------------------------------------------------------------------
+// CAccessory::RunL()
+// Gets called in event of request completion or error situation.
+// --------------------------------------------------------------------
+//
+void CAccessory::RunL()
+    {
+    TSysRequest::TRequestType ReqType = RequestType();
+    TInt32 transId = this->TransactionID();
+
+    // get accessory count.
+    iAccCountCur = iGenIdArrayCur.Count();
+    iAccCountOld = iGenIdArrayOld.Count();
+
+    // Check if it a was a connect or a disconnect
+    if( iAccCountCur > iAccCountOld )
+        iAccState = CAccessoryInfo::EConnected;
+    else
+        iAccState = CAccessoryInfo::EDisconnected;
+
+    TInt error(iStatus.Int());
+    
+    if(error == KErrNone)
+        {
+        CAccessoryInfo* accInfo = NULL;
+        //newly connected accessory will be at index '0'.
+        if(iAccState == CAccessoryInfo::EConnected)
+            {
+            TAccPolGenericID ConnectedID;
+            ConnectedID = iGenIdArrayCur.GetGenericIDL(0);
+            accInfo = CAccessoryInfo::NewL(ConnectedID,iAccState);
+            }
+        else
+            {
+            TAccPolGenericID DisConnectedID;
+            //get DisConnected accessory ID.
+            DisConnectedAccessoryL(DisConnectedID);
+            accInfo = CAccessoryInfo::NewL(DisConnectedID,iAccState);
+            }
+
+        CleanupStack::PushL(accInfo);
+        TRAP_IGNORE(SystemObserver()->HandleResponseL(KGeneral, KAccessoryStatus,
+                                        accInfo, transId, RequestType(), error));
+        CleanupStack::Pop(accInfo);
+        //Re-Issue request
+        Request();
+        }
+    else
+        {
+        TRAP_IGNORE(SystemObserver()->HandleResponseL(KGeneral, KAccessoryStatus, 
+                                        NULL, transId, RequestType(), error));
+        }
+    //copy current list to old list.
+    iGenIdArrayOld = iGenIdArrayCur;
+    }
+
+// --------------------------------------------------------------------
+// CAccessory::DoCancel()
+// Gets called in event of request completion or error situation.
+// --------------------------------------------------------------------
+//
+void CAccessory::DoCancel()
+    {
+    if(IsActive())
+        iAccessoryConnection.CancelNotifyAccessoryConnectionStatusChanged();
+    }
+	
+// --------------------------------------------------------------------
+// CAccessory::DisConnectedAccessoryL()
+// retruns disconnected accessory GenericID.
+// --------------------------------------------------------------------
+//
+void CAccessory::DisConnectedAccessoryL(TAccPolGenericID& aGenId)
+    {
+    for(TInt i=0; i<iAccCountOld; i++)
+        {
+        TAccPolGenericID DisConnected;
+        //Take a GenericID in old list and search for it in cur list.
+        //if present, continue with next.
+        DisConnected = iGenIdArrayOld.GetGenericIDL(i);
+        aGenId= DisConnected;
+
+        for(TInt j=0; j<iAccCountCur;j++)
+            {
+            //stop searching when a missing entry in old list is found.
+            if( DisConnected.UniqueID() != 
+                        (iGenIdArrayCur.GetGenericIDL(j)).UniqueID() )
+                {
+                return;
+                }
+            }
+        }
+    }
+
+// End of file.