cbs/CbsServer/ServerSrc/CCbsShutdownMonitor.cpp
changeset 0 ff3b6d0fd310
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbs/CbsServer/ServerSrc/CCbsShutdownMonitor.cpp	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,138 @@
+/*
+* Copyright (c) 2004 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 module contains the implementation of CCbsShutdownMonitor class 
+*                member functions.    
+*
+*/
+
+
+// INCLUDE FILES
+#include <e32property.h>
+#include "CCbsShutdownMonitor.h"
+#include "CCbsServer.h"
+#include <startupdomainpskeys.h>
+#include "CbsLogger.h"
+
+// ================= MEMBER FUNCTIONS =======================
+
+// -----------------------------------------------------------------------------
+// CCbsShutdownMonitor::CCbsShutdownMonitor
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CCbsShutdownMonitor::CCbsShutdownMonitor( CCbsServer& aServer )
+    : CActive( EPriorityStandard ),
+    iServer( aServer )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsShutdownMonitor::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CCbsShutdownMonitor::ConstructL()
+    {
+    CActiveScheduler::Add( this );
+    
+    // Attach to startup property
+    iProperty.Attach( KPSUidStartup, KPSGlobalSystemState );    
+    IssueRequest();
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsShutdownMonitor::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCbsShutdownMonitor* CCbsShutdownMonitor::NewL( CCbsServer& aServer )
+    {
+    CCbsShutdownMonitor* self = 
+        new ( ELeave ) CCbsShutdownMonitor( aServer );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+    }
+    
+// Destructor
+CCbsShutdownMonitor::~CCbsShutdownMonitor()
+    {
+    CBSLOGSTRING("CBSSERVER: >>> CCbsShutdownMonitor::~CCbsShutdownMonitor()"); 
+    Cancel();
+	iProperty.Close();
+	CBSLOGSTRING("CBSSERVER: <<< CCbsShutdownMonitor::~CCbsShutdownMonitor()"); 
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsShutdownMonitor::IssueRequest
+// Requests that we are notified when the system state changes.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsShutdownMonitor::IssueRequest() 
+    {
+    if ( !IsActive() )
+        {
+        // Subscribe again
+    	iProperty.Subscribe( iStatus );
+	    SetActive();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsShutdownMonitor::RunL
+// Becomes active when the system state changes.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsShutdownMonitor::RunL()
+    {
+    if ( iStatus == KErrNone )
+        {
+        // Resubscribe before processing new value to prevent missing updates        
+        IssueRequest();
+        
+        // Property updated, get new value
+    	TInt state( 0 );
+    	TInt error( KErrNone );
+    	error = iProperty.Get( state );
+    	
+    	if ( !error )
+    	    {
+#ifdef RD_STARTUP_CHANGE
+        	if ( state == ESwStateShuttingDown )
+        		{
+        		iServer.Shutdown();
+        		}
+#endif   	    
+    	    }
+        }        
+    }
+
+// -----------------------------------------------------------------------------
+// CCbsShutdownMonitor::DoCancel
+// Cancels an outstanding Subscribe request.  
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCbsShutdownMonitor::DoCancel()
+    {
+    iProperty.Cancel();   
+    }
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+//  End of File