--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/callcontinuity/vcchotrigger/src/vccwlansignallevelhandler.cpp	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,250 @@
+/*
+* Copyright (c) 2007-2008 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 of the WLAN signal level handler
+*
+*/
+
+
+
+#include <wlanmgmtclient.h>
+#include "vccwlansignallevelhandler.h"
+#include "rubydebug.h"
+#include "vccengpsproperty.h"
+#include <ccpdefs.h>
+
+// Min. signal strength.
+static const TInt32 KStrengthMin = 110;
+
+// ---------------------------------------------------------------------------
+// C++ destructor.
+// ---------------------------------------------------------------------------
+//
+CVccWlanSignalLevelHandler::~CVccWlanSignalLevelHandler()
+    {
+    // Cancel any request, if outstanding
+    Cancel();
+#ifndef __WINS__
+    delete iWlanMgmt;
+#endif
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian constructor.
+// ---------------------------------------------------------------------------
+//
+CVccWlanSignalLevelHandler* CVccWlanSignalLevelHandler::NewL(
+    MVccSignalLevelObserver& aObserver,
+    const TSignalLevelParams& aParams, CVccEngPsProperty& aPsProperty )
+    {
+    CVccWlanSignalLevelHandler* self =
+        CVccWlanSignalLevelHandler::NewLC( aObserver, aParams, aPsProperty );
+
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian constructor.
+// ---------------------------------------------------------------------------
+//
+CVccWlanSignalLevelHandler* CVccWlanSignalLevelHandler::NewLC(
+    MVccSignalLevelObserver& aObserver,
+    const TSignalLevelParams& aParams, CVccEngPsProperty& aPsProperty )
+    {
+    CVccWlanSignalLevelHandler * self =
+        new ( ELeave ) CVccWlanSignalLevelHandler( aObserver, aParams, aPsProperty );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CVccWlanSignalLevelHandler::CVccWlanSignalLevelHandler(
+    MVccSignalLevelObserver& aObserver,
+    const TSignalLevelParams& aParams, CVccEngPsProperty& aPsProperty )
+    : CVccSignalLevelHandler( aObserver, aParams ), iVccPsp( aPsProperty )
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian second-phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::ConstructL()
+    {
+    RUBY_DEBUG_BLOCKL( "CVccWlanSignalLevelHandler::ConstructL" );
+
+    CVccSignalLevelHandler::ConstructL();
+#ifndef __WINS__
+    //WlanMgmtClient is not started when the phone is not f. ex. labeled
+    TRAP_IGNORE( iWlanMgmt = CWlanMgmtClient::NewL() );
+#endif
+    }
+
+// ---------------------------------------------------------------------------
+// Enable notifications.
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::EnableNotificationsL()
+    {
+    RUBY_DEBUG_BLOCK( "CVccWlanSignalLevelHandler::EnableNotificationsL" );
+#ifndef __WINS__
+    if( iWlanMgmt )
+        {
+        TInt error = iWlanMgmt->UpdateRssNotificationBoundary(
+            iParams.iLowLevel,
+            iParams.iLowLevel - iParams.iHighLevel );
+
+        User::LeaveIfError( error );
+
+        iWlanMgmt->ActivateNotificationsL( *this );
+        }
+#endif
+    }
+
+// ---------------------------------------------------------------------------
+// Disable notifications.
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::DisableNotifications()
+    {
+    RUBY_DEBUG_BLOCK( "CVccWlanSignalLevelHandler::DisableNotificationsL" );
+#ifndef __WINS__
+    if( iWlanMgmt )
+        {
+        iWlanMgmt->CancelNotifications();
+        }
+#endif
+    }
+
+// ---------------------------------------------------------------------------
+// Get signal strength.
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::GetStrength()
+    {
+
+    RUBY_DEBUG_BLOCK( "CVccWlanSignalLevelHandler::GetStrength" );
+
+    iStrength = KStrengthMin;
+#ifndef __WINS__
+    if( iWlanMgmt )
+        {
+        iWlanMgmt->GetConnectionSignalQuality( iStrength );
+        }
+#endif
+    RUBY_DEBUG1( " -strength = %d", iStrength );
+
+    // Because the RMobilePhone used in GSM is asynchronous we need here
+    // to signal that the request is complete (in order to continue
+    // processing stuff in RunL)
+
+    TRequestStatus *sP = &iStatus;
+
+    User::RequestComplete( sP, KErrNone );
+    }
+
+// ---------------------------------------------------------------------------
+// Cancel outstanding GetStrength.
+// We do not need to do anything since WLAN GetStrength is synchronous.
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::CancelGetStrength()
+    {
+    RUBY_DEBUG_BLOCK( "CVccWlanSignalLevelHandler::CancelGetStrength" );
+    }
+
+// ---------------------------------------------------------------------------
+// Handles indication of changed RSS value.
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::RssChanged( TWlanRssClass aRssClass, TUint aRss )
+    {
+    RUBY_DEBUG_BLOCK( "CVccWlanSignalLevelHandler::RssChanged" );
+    RUBY_DEBUG2( " -class = %d rss = %d", aRssClass, aRss);
+
+    // Do some basic check
+    // Zero (0) is not acceptable strength (too good?).
+
+    iStrength = aRss ? aRss : KStrengthMin;
+    StrengthChanged();
+    }
+
+// ---------------------------------------------------------------------------
+// Handles BSSID has changed (i.e. AP handover) situation.
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::BssidChanged( TWlanBssid& aNewBSSID )
+    {
+    RUBY_DEBUG_BLOCK( "CVccWlanSignalLevelHandler::BssidChanged" );
+    RUBY_DEBUG1( " -aNewBSSID = %S", &aNewBSSID );
+
+    iStrength = KStrengthMin;
+#ifndef __WINS__
+    if( iWlanMgmt )
+        {
+        iWlanMgmt->GetConnectionSignalQuality( iStrength );
+        }
+#endif
+
+    StrengthChanged();
+    }
+
+// ---------------------------------------------------------------------------
+//  Handles lost of one or more networks
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::OldNetworksLost()
+    {
+    RUBY_DEBUG_BLOCK( "CVccWlanSignalLevelHandler::OldNetworksLost" );
+
+    iStrength = KStrengthMin;
+#ifndef __WINS__
+    if( iWlanMgmt )
+        {
+        iWlanMgmt->GetConnectionSignalQuality( iStrength );
+        }
+#endif
+    StrengthChanged();
+    
+    TVccHoStatus hoStatus( EVccHoStateUnknown );
+    iVccPsp.GetCurrentHoStatus( hoStatus );
+    
+    RUBY_DEBUG1("Current HoStatus; %d", hoStatus);
+    
+    if( hoStatus == EVccCsToPsHoStarted || hoStatus == EVccCsToPsHoInprogress 
+                                         || hoStatus == EVccHoUnavailable )
+        {
+        iVccPsp.NotifySubscriberL( EVccCsToPsHoFailure, ECCPErrorNetworkOutOfOrder );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Notify observer that the signal level has been changed.
+// ---------------------------------------------------------------------------
+//
+void CVccWlanSignalLevelHandler::NotifyChanges(
+    TInt32 aSignalStrength,
+    MVccSignalLevelObserver::TSignalStrengthClass aClass )
+    {
+    RUBY_DEBUG_BLOCK( "CVccWlanSignalLevelHandler::NotifyChanges" );
+    RUBY_DEBUG1( " -New strength = -%d dBm", aSignalStrength );
+
+    iObserver.WlanSignalChanged( aSignalStrength, aClass );
+    }