--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbotgwatcher/src/cusbmessagenotificationobserver.cpp Fri Jun 04 10:27:39 2010 +0100
@@ -0,0 +1,236 @@
+/*
+ * Copyright (c) 2008 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: Implementation
+ *
+ */
+
+#include <usbman.h>
+#include <d32usbdi_errors.h>
+#include <d32otgdi_errors.h>
+
+#include "cusbmessagenotificationobserver.h"
+
+#include "definitions.h"
+#include "debug.h"
+#include "panic.h"
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+CUsbMessageNotificationObserver::CUsbMessageNotificationObserver(RUsb* aUsb) :
+ CActive(EPriorityStandard), iUsb(aUsb)
+ {
+ CActiveScheduler::Add(this);
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CUsbMessageNotificationObserver::ConstructL()
+ {
+ LOG_FUNC
+
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+CUsbMessageNotificationObserver* CUsbMessageNotificationObserver::NewL(
+ RUsb* aUsb)
+ {
+ LOG_FUNC
+
+ CUsbMessageNotificationObserver* self =
+ new (ELeave) CUsbMessageNotificationObserver(aUsb);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+CUsbMessageNotificationObserver::~CUsbMessageNotificationObserver()
+ {
+ LOG_FUNC
+
+ Cancel();
+
+ iObservers.Close();
+
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CUsbMessageNotificationObserver::SubscribeL(
+ MUsbMessageNotificationObserver& aObserver)
+ {
+ LOG_FUNC
+
+ // check if the same observer already exist in a list
+ if (KErrNotFound != iObservers.Find(&aObserver))
+ {
+ LOG("Observer already exists");
+ PANIC( EObserverAlreadyExists);
+ return;
+ }
+ iObservers.AppendL(&aObserver);
+
+ if (KFirst == iObservers.Count()) // first item
+ {
+ iUsb->MessageNotification(iStatus, iMessage);
+ SetActive();
+ }
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CUsbMessageNotificationObserver::UnsubscribeL(
+ MUsbMessageNotificationObserver& aObserver)
+ {
+ LOG_FUNC
+
+ TInt i(iObservers.Find(&aObserver));
+ if (KErrNotFound == i)
+ {
+ LOG("Observer not found" )
+ PANIC( ECanNotFindMessageNotificationObserver);
+ return;
+ }
+
+ iObservers.Remove(i);
+
+ if (0 == iObservers.Count()) // no items
+ {
+ // cancel pending request
+ Cancel();
+ }
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CUsbMessageNotificationObserver::RunL()
+ {
+ // Log the event
+ LOG1( "Message notification observer iMessage = %d" , iMessage);
+
+ // if error occured, tell to Observers
+ if (KErrNone != iStatus.Int())
+ {
+ for (TInt i(0); i < iObservers.Count(); ++i)
+ {
+ iObservers[i]->MessageNotificationErrorL(iStatus.Int());
+ }
+ return;
+ }
+
+ TInt message(iMessage);
+
+ // re-issue request first
+ iUsb->MessageNotification(iStatus, iMessage);
+ SetActive();
+
+ // then process property change
+ switch (message)
+ {
+ case KErrUsbBadHubPosition:
+ {
+ LOG("HubBadPosition" );
+
+ for (TInt i(0); i < iObservers.Count(); ++i)
+ {
+ iObservers[i]->BadHubPositionL();
+ }
+ break;
+ }
+ case KErrUsbOtgVbusError:
+ {
+ LOG( "VBusError");
+
+ for (TInt i(0); i < iObservers.Count(); ++i)
+ {
+ iObservers[i]->VBusErrorL();
+ }
+ break;
+ }
+ case KUsbMessageSrpReceived:
+ {
+ LOG("SRP received" );
+
+ for (TInt i(0); i < iObservers.Count(); ++i)
+ {
+ iObservers[i]->SrpReceivedL();
+ }
+ break;
+ }
+ case KUsbMessageRequestSession:
+ {
+ LOG("Session requested" );
+
+ for (TInt i(0); i < iObservers.Count(); ++i)
+ {
+ iObservers[i]->SessionRequestedL();
+ }
+ break;
+ }
+ // notify states with other messages
+ default:
+ {
+
+ for (TInt i(0); i < iObservers.Count(); ++i)
+ {
+ iObservers[i]->MessageNotificationReceivedL(message);
+ }
+ break;
+ }
+
+ }
+
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CUsbMessageNotificationObserver::DoCancel()
+ {
+ iUsb->MessageNotificationCancel();
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TInt CUsbMessageNotificationObserver::RunError(TInt aError)
+ {
+ LOG_FUNC
+
+ LOG1( "aError = %d" , aError);
+
+ // try to recover and continue
+ return KErrNone;
+
+ }
+