--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/localconnectivityservice/dun/atext/src/DunAtModeListen.cpp	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,182 @@
+/*
+* 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:  Modem's mode listener and notifier
+*
+*/
+
+
+#include "DunAtModeListen.h"
+#include "DunDebug.h"
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CDunAtModeListen* CDunAtModeListen::NewL( RATExtCommon* aAtCmdExtCommon,
+                                          MDunAtModeListen* aCallback )
+    {
+    CDunAtModeListen* self = NewLC( aAtCmdExtCommon, aCallback );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CDunAtModeListen* CDunAtModeListen::NewLC( RATExtCommon* aAtCmdExtCommon,
+                                           MDunAtModeListen* aCallback )
+    {
+    CDunAtModeListen* self = new (ELeave) CDunAtModeListen( aAtCmdExtCommon,
+                                                            aCallback );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CDunAtModeListen::~CDunAtModeListen()
+    {
+    FTRACE(FPrint( _L("CDunAtModeListen::~CDunAtModeListen()") ));
+    ResetData();
+    FTRACE(FPrint( _L("CDunAtModeListen::~CDunAtModeListen() complete") ));
+    }
+
+// ---------------------------------------------------------------------------
+// Resets data to initial values
+// ---------------------------------------------------------------------------
+//
+void CDunAtModeListen::ResetData()
+    {
+    FTRACE(FPrint( _L("CDunAtModeListen::ResetData()") ));
+    // APIs affecting this:
+    // IssueRequest()
+    Stop();
+    // Internal
+    Initialize();
+    FTRACE(FPrint( _L("CDunAtModeListen::ResetData() complete") ));
+    }
+
+// ---------------------------------------------------------------------------
+// Issues request to start monitoring for mode status changes
+// ---------------------------------------------------------------------------
+//
+TInt CDunAtModeListen::IssueRequest()
+    {
+    FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest()" )));
+    if ( iModeListenState != EDunStateIdle )
+        {
+        FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest() (not ready) complete" ) ));
+        return KErrNotReady;
+        }
+    iStatus = KRequestPending;
+    iAtCmdExtCommon->ReceiveModeStatusChange( iStatus, iModePckg );
+    SetActive();
+    iModeListenState = EDunStateModeListening;
+    FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest() complete" )));
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Stops monitoring for mode status changes
+// ---------------------------------------------------------------------------
+//
+TInt CDunAtModeListen::Stop()
+    {
+    FTRACE(FPrint( _L("CDunAtModeListen::Stop()" )));
+    if ( iModeListenState != EDunStateModeListening )
+        {
+        FTRACE(FPrint( _L("CDunAtModeListen::Stop() (not ready) complete" ) ));
+        return KErrNotReady;
+        }
+    iAtCmdExtCommon->CancelReceiveModeStatusChange();
+    Cancel();
+    iModeListenState = EDunStateIdle;
+    FTRACE(FPrint( _L("CDunAtModeListen::Stop() complete" )));
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// CDunAtModeListen::CDunAtModeListen
+// ---------------------------------------------------------------------------
+//
+CDunAtModeListen::CDunAtModeListen( RATExtCommon* aAtCmdExtCommon,
+                                    MDunAtModeListen* aCallback ) :
+    CActive( EPriorityHigh ),
+    iAtCmdExtCommon( aAtCmdExtCommon ),
+    iCallback( aCallback ),
+    iModePckg( iMode )
+    {
+    Initialize();
+    }
+
+// ---------------------------------------------------------------------------
+// CDunAtModeListen::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CDunAtModeListen::ConstructL()
+    {
+    FTRACE(FPrint( _L("CDunAtModeListen::ConstructL()") ));
+    if ( !iAtCmdExtCommon || !iCallback )
+        {
+        User::Leave( KErrGeneral );
+        }
+    CActiveScheduler::Add( this );
+    FTRACE(FPrint( _L("CDunAtModeListen::ConstructL() complete") ));
+    }
+
+// ---------------------------------------------------------------------------
+// Initializes this class
+// ---------------------------------------------------------------------------
+//
+void CDunAtModeListen::Initialize()
+    {
+    // Don't initialize iAtCmdExtCommon here (it is set through NewL)
+    // Don't initialize iCallback here (it is set through NewL)
+    iModeListenState = EDunStateIdle;
+    iMode = 0;
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Gets called when mode changes
+// ---------------------------------------------------------------------------
+//
+void CDunAtModeListen::RunL()
+    {
+    FTRACE(FPrint( _L("CDunAtModeListen::RunL()") ));
+    iModeListenState = EDunStateIdle;
+    TInt retTemp = iStatus.Int();
+    if ( retTemp != KErrNone )
+        {
+        FTRACE(FPrint( _L("CDunAtModeListen::RunL() (ERROR) complete (%d)"), retTemp ));
+        return;
+        }
+    FTRACE(FPrint( _L("CDunAtModeListen::RunL() managing 0x%08X" ), iMode ));
+    iCallback->NotifyModeStatusChange( iMode );
+    IssueRequest();
+    FTRACE(FPrint( _L("CDunAtModeListen::RunL() complete") ));
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Gets called on cancel
+// ---------------------------------------------------------------------------
+//
+void CDunAtModeListen::DoCancel()
+    {
+    }