--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/backstepping/src/tsbacksteppingactivation.cpp	Mon Sep 13 13:26:33 2010 +0300
@@ -0,0 +1,138 @@
+/*
+* 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 <startupdomainpskeys.h>
+#include <flogger.h>
+#include <w32std.h>
+
+#include "tsbacksteppingactivation.h"
+#include "tsbackstepping.h"
+
+ // ============================ MEMBER FUNCTIONS ===============================
+// -----------------------------------------------------------------------------
+// CBacksteppingActivation::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CTsBacksteppingActivation* CTsBacksteppingActivation::NewL( 
+                                            MTsWindowGroupsMonitor &aMonitor )
+{
+    CTsBacksteppingActivation* self = 
+        new( ELeave ) CTsBacksteppingActivation( aMonitor );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+}
+
+// -----------------------------------------------------------------------------
+// CTsBacksteppingActivation::CTsBacksteppingActivation
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CTsBacksteppingActivation::CTsBacksteppingActivation( 
+                                            MTsWindowGroupsMonitor &aMonitor ) 
+:
+    CActive( EPriorityLow ),
+    iMonitor( aMonitor )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CTsBacksteppingActivation::ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CTsBacksteppingActivation::ConstructL() 
+    {
+    User::LeaveIfError( iProperty.Attach( KPSUidStartup, KPSIdlePhase1Ok ) );
+    iStatus = KRequestPending;
+    SetActive();
+    TRequestStatus* status( &iStatus );
+    User::RequestComplete( status, KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CTsBacksteppingActivation::~CTsBacksteppingActivation
+// Destructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CTsBacksteppingActivation::~CTsBacksteppingActivation()
+    {
+    Cancel();
+    delete iEngine;
+    iProperty.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CBacksteppingActivation::DoCancel
+// 
+// -----------------------------------------------------------------------------
+//
+void CTsBacksteppingActivation::DoCancel()
+    {
+    if( IsActive() && iProperty.Handle() ) 
+        {
+        iProperty.Cancel();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+/**
+ * @see CActive.
+ */
+void CTsBacksteppingActivation::RunL()
+{
+    User::LeaveIfError( iStatus.Int() );
+    TInt state( ~EIdlePhase1Ok );
+    User::LeaveIfError( iProperty.Get( state ) );
+    if( EIdlePhase1Ok == state )
+        {
+        if( 0 == iEngine )
+            {
+            iEngine = CTsBackstepping::NewL( iMonitor );
+            }
+        } 
+    else
+        {
+        delete iEngine;
+        iEngine = 0;
+        }
+    Subscribe();
+    }
+
+// -----------------------------------------------------------------------------
+/**
+ * @see CActive::RunError(TInt)
+ */
+TInt CTsBacksteppingActivation::RunError( TInt aError )
+    {
+    if (KErrCancel != aError) 
+        {
+        Subscribe();
+        }
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+void CTsBacksteppingActivation::Subscribe()
+    {
+    iProperty.Subscribe( iStatus );
+    SetActive();
+    }
+// end of file