--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/appinstaller/AppinstUi/Daemon/Src/ShutdownWatcher.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,136 @@
+/*
+* 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:   Shutdown watcher implementation
+*
+*/
+
+
+#include "ShutdownWatcher.h"
+#include <startupdomainpskeys.h>
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CShutdownWatcher::NewL
+// ---------------------------------------------------------------------------
+//
+CShutdownWatcher* CShutdownWatcher::NewL( MShutdownObserver& aObserver )
+    {
+    CShutdownWatcher* self = new(ELeave) CShutdownWatcher( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CShutdownWatcher::~CShutdownWatcher
+// ---------------------------------------------------------------------------
+//
+CShutdownWatcher::~CShutdownWatcher()
+    {
+    Cancel();
+    iProperty.Close();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CShutdownWatcher::Start
+// ---------------------------------------------------------------------------
+//
+void CShutdownWatcher::Start()
+    {
+    TInt status( 0 );
+    TInt err = iProperty.Get( KPSUidStartup, KPSGlobalSystemState, status );
+    if( err == KErrNone )
+        {
+        if( status == ESwStateShuttingDown )
+            {
+            iObserver.NotifyShuttingDown();
+            return;     // that was all, system is already going down
+            }
+        }
+    IssueRequest();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CShutdownWatcher::IssueRequest
+// ---------------------------------------------------------------------------
+//
+void CShutdownWatcher::IssueRequest()
+    {
+    if( !IsActive() )
+        {
+        iProperty.Subscribe( iStatus );
+        SetActive();
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CShutdownWatcher::DoCancel
+// ---------------------------------------------------------------------------
+//
+void CShutdownWatcher::DoCancel()
+    {
+    iProperty.Cancel();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CShutdownWatcher::RunL()
+// ---------------------------------------------------------------------------
+//
+void CShutdownWatcher::RunL()
+    {
+    IssueRequest();
+
+    TInt status( 0 );
+    iProperty.Get( status );
+    
+    if( status == ESwStateShuttingDown )
+        {
+        iObserver.NotifyShuttingDown();
+        Cancel();   // that was all, no other notifications needed
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CShutdownWatcher::CShutdownWatcher
+// ---------------------------------------------------------------------------
+//
+CShutdownWatcher::CShutdownWatcher( MShutdownObserver& aObserver )
+    : CActive( EPriorityStandard ), iObserver( aObserver )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CShutdownWatcher::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CShutdownWatcher::ConstructL()
+    {
+    TInt err = iProperty.Attach( KPSUidStartup, KPSGlobalSystemState );
+    User::LeaveIfError( err );
+
+    CActiveScheduler::Add( this );
+    }
+
+
+// End of file