--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbwatcher/src/cusbactivestate.cpp Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,140 @@
+/*
+* Copyright (c) 2002-2009 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: This implements CUsbActiveState class.
+*
+*/
+
+
+// INCLUDE FILES
+#include <usbman.h>
+#include "debug.h"
+#include "cusbactivestate.h"
+#include "cusbwatcher.h"
+
+// CONSTANTS
+const TUint KUsbAllStates = 0xFFFFFFFF;
+
+// ============================ MEMBER FUNCTIONS ==============================
+
+// ----------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code, that might leave.
+// ----------------------------------------------------------------------------
+//
+CUsbActiveState::CUsbActiveState( RUsb& aUsbMan, CUsbWatcher& aOwner )
+ : CActive( EPriorityStandard )
+ , iUsbMan( aUsbMan )
+ , iOwner( aOwner )
+ , iPreviousState( EUsbDeviceStateUndefined )
+ {
+ LOG_FUNC
+
+ CActiveScheduler::Add( this );
+ }
+
+// ----------------------------------------------------------------------------
+// Symbian 2nd phase constructor can leave.
+// ----------------------------------------------------------------------------
+//
+void CUsbActiveState::ConstructL()
+ {
+ LOG_FUNC
+
+ LEAVEIFERROR( iUsbMan.GetDeviceState( iCurrentState ) );
+ LOG1( "Intial UsbDeviceState = %d" , iCurrentState );
+
+ // start USB if cable is pluged-in at bootup
+ if( EUsbDeviceStateUndefined != iCurrentState )
+ {
+ iOwner.StateChangeNotify( iPreviousState, iCurrentState );
+ iPreviousState = iCurrentState;
+ }
+ iUsbMan.DeviceStateNotification( KUsbAllStates, iCurrentState, iStatus );
+ SetActive();
+ }
+
+// ----------------------------------------------------------------------------
+// Two-phased constructor.
+// ----------------------------------------------------------------------------
+//
+CUsbActiveState* CUsbActiveState::NewL( RUsb& aUsbMan, CUsbWatcher& aOwner )
+ {
+ LOG_FUNC
+
+ CUsbActiveState* self = new ( ELeave ) CUsbActiveState( aUsbMan, aOwner );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop(); // pop self
+ return self;
+ }
+
+// Destructor
+CUsbActiveState::~CUsbActiveState()
+ {
+ LOG_FUNC
+
+ Cancel();
+ }
+
+// ----------------------------------------------------------------------------
+// This function is called when device state is changed.
+// ----------------------------------------------------------------------------
+//
+void CUsbActiveState::RunL()
+ {
+ LOG_FUNC
+
+ LEAVEIFERROR( iStatus.Int() ); // Close process if error happens here
+ LOG2( "DeviceState change: %d ==> %d", iPreviousState, iCurrentState );
+ TUsbDeviceState newState = iCurrentState;
+ iUsbMan.DeviceStateNotification( KUsbAllStates, iCurrentState,
+ iStatus );
+ SetActive();
+ iOwner.StateChangeNotify( iPreviousState, newState );
+ iPreviousState = newState;
+ }
+
+// ----------------------------------------------------------------------------
+// Standard active object cancellation function.
+// ----------------------------------------------------------------------------
+//
+void CUsbActiveState::DoCancel()
+ {
+ LOG_FUNC
+
+ iUsbMan.DeviceStateNotificationCancel();
+ }
+
+// ----------------------------------------------------------------------------
+// Get current device state.
+// ----------------------------------------------------------------------------
+//
+TUsbDeviceState CUsbActiveState::CurrentState()
+ {
+ LOG_FUNC
+
+ return iCurrentState;
+ }
+
+// ----------------------------------------------------------------------------
+// Get previous device state.
+// ----------------------------------------------------------------------------
+//
+TUsbDeviceState CUsbActiveState::PreviousState()
+ {
+ LOG_FUNC
+
+ return iPreviousState;
+ }
+
+// End of file