--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dbgagents/trkagent/engine/TrkUsbPortListener.cpp Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,151 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+
+// INCLUDE FILES
+#include <e32std.h>
+
+#include "TrkUsbPortListener.h"
+
+// LOCAL FUNCTION PROTOTYPES
+
+// LOCAL CONSTANTS
+
+const TUint KTrkUsbDeviceStateMask = 0x00ff;
+
+#if(defined __SERIES60_30__ || defined __SERIES60_31__ || defined __S60_32__)
+#define KPersonalityPCSuite 113
+#else
+#define KPersonalityPCSuite 5
+#endif
+
+
+
+
+//
+// CTrkUsbPortListener::CTrkUsbPortListener
+// Constructor
+//
+CTrkUsbPortListener::CTrkUsbPortListener (MTrkUsbConnectionListener *aConnectionListener)
+ :CTrkCommPortListener(aConnectionListener, CActive::EPriorityStandard)
+{
+ iConnected = EFalse;
+ iPersonalityId = 0;
+
+ iUsbDeviceState = EUsbDeviceStateUndefined;
+
+ TInt err = iUsbServer.Connect();
+
+ err = iUsbServer.GetDeviceState( iUsbDeviceState );
+ if (!err)
+ err = iUsbServer.GetCurrentPersonalityId( iPersonalityId );
+
+ if (!err && iUsbDeviceState == EUsbDeviceStateConfigured
+ && iPersonalityId == KPersonalityPCSuite)
+ iConnected = ETrue;
+
+ CActiveScheduler::Add( this );
+}
+
+//
+// CTrkUsbPortListener::~CTrkUsbPortListener
+// Destructor
+//
+CTrkUsbPortListener::~CTrkUsbPortListener()
+{
+ Cancel(); // Ensure that any outstanding requests are cancelled
+ Deque();
+ iUsbServer.Close();
+}
+
+//
+// CTrkUsbPortListener::ListenL
+// Starts listening for usb connection status notifications..
+//
+void CTrkUsbPortListener::ListenL()
+{
+ IssueRequestL();
+}
+
+//
+// CTrkUsbPortListener::IssueRequestL
+//
+void CTrkUsbPortListener::IssueRequestL()
+{
+ if (IsActive()) //already listening, just return...
+ return;
+
+ if ( iUsbDeviceState == EUsbDeviceStateUndefined )
+ {
+ User::LeaveIfError( iUsbServer.GetDeviceState( iUsbDeviceState ) );
+
+ }
+
+ iUsbServer.DeviceStateNotification(KTrkUsbDeviceStateMask, iUsbDeviceState, iStatus);
+ SetActive();
+}
+
+//
+// CTrkUsbPortListener::StopListening
+// Cancel any pending requests for connection status notifications.
+//
+void CTrkUsbPortListener::StopListening()
+{
+ Cancel();
+}
+
+//
+// CTrkUsbPortListener::DoCancel
+// This method gets called from CActive::Cancel();
+//
+void CTrkUsbPortListener::DoCancel()
+{
+ iUsbServer.DeviceStateNotificationCancel();
+ iUsbDeviceState = EUsbDeviceStateUndefined;
+}
+
+//
+// CTrkUsbPortListener::RunL
+// This method gets called whenever there is a change in the connection status.
+// Right now we are interested only when the cable is disconnected.
+// For all the other notifications, just reissues the request.
+//
+void CTrkUsbPortListener::RunL()
+{
+ User::LeaveIfError( iStatus.Int() );
+
+ iUsbServer.GetCurrentPersonalityId( iPersonalityId );
+
+ if ( iUsbDeviceState == EUsbDeviceStateUndefined ||
+ (iUsbDeviceState == EUsbDeviceStateConfigured && iPersonalityId != KPersonalityPCSuite) )
+ {
+ iConnectionListener->ConnectionUnAvailable();
+ iConnected = EFalse;
+ }
+ // There is something wrong USB cable status notifications
+ // When the cable is disconnected, first you get a notification
+ // with the device state as configured.
+ // So we need to work around using a local status flag
+ else if ( iUsbDeviceState == EUsbDeviceStateConfigured &&
+ iPersonalityId == KPersonalityPCSuite &&
+ !iConnected)
+ {
+ iConnected = ETrue;
+ iConnectionListener->ConnectionAvailable();;
+ }
+ IssueRequestL();
+}
+