metadataengine/server/src/mdsshutdownobserver.cpp
changeset 0 c53acadfccc6
child 8 6752808b2036
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/src/mdsshutdownobserver.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,146 @@
+/*
+* 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 <e32base.h>
+
+#include "mdsshutdownobserver.h"
+#include "mdscommoninternal.h"
+
+// Print macro
+#ifdef _DEBUG
+#include <e32svr.h>
+#define PRINT(x) RDebug::Print x
+#else
+#define PRINT(x)
+#endif
+
+// ---------------------------------------------------------------------------
+// CMDSShutdownObserver::NewL()
+// ---------------------------------------------------------------------------
+//
+CMDSShutdownObserver* CMDSShutdownObserver::NewL( MMDSShutdownObserver& aObserver/*, const TUid& aKeyCategory */)
+    { 
+    CMDSShutdownObserver* self = new( ELeave )CMDSShutdownObserver( aObserver/*, aKeyCategory */);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CMDSShutdownObserver::CMDSShutdownObserver()
+// ---------------------------------------------------------------------------
+//
+CMDSShutdownObserver::CMDSShutdownObserver( MMDSShutdownObserver& aObserver/*, const TUid& aKeyCategory */)
+    : CActive( CActive::EPriorityUserInput ), iObserver( aObserver ), iValue( KErrNone )/*, iKeyCategory( aKeyCategory )*/
+    {       
+    }
+
+// ---------------------------------------------------------------------------
+// CMDSShutdownObserver::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CMDSShutdownObserver::ConstructL()
+    {
+#ifdef _DEBUG
+    PRINT(_L("CMDSShutdownObserver::ConstructL()"));
+#endif
+    
+    // attach to the property    
+    User::LeaveIfError( iProperty.Attach(KMdSPSShutdown,KShutdown,EOwnerThread) );
+    
+    CActiveScheduler::Add( this );
+    
+    // wait for the previously attached property to be updated
+    iProperty.Subscribe(iStatus);        
+    
+    SetActive();
+
+#ifdef _DEBUG
+    PRINT(_L("CMDSShutdownObserver::ConstructL() end"));
+#endif
+    }
+
+// ---------------------------------------------------------------------------
+// CMDSShutdownObserver::~CMDSShutdownObserver()
+// ---------------------------------------------------------------------------
+//
+CMDSShutdownObserver::~CMDSShutdownObserver()
+    {
+#ifdef _DEBUG
+    PRINT(_L("CMDSShutdownObserver::~CMDSShutdownObserver()"));
+#endif
+    Cancel();
+    iProperty.Close();
+#ifdef _DEBUG
+    PRINT(_L("CMDSShutdownObserver::~CMDSShutdownObserver() end"));
+#endif
+    }
+
+// ---------------------------------------------------------------------------
+// CMDSShutdownObserver::RunL()
+// ---------------------------------------------------------------------------
+//
+void CMDSShutdownObserver::RunL()
+    {
+    // resubscribe before processing new value to prevent missing updates
+    iProperty.Subscribe(iStatus);
+    SetActive();
+    
+    // retrieve the Uid of the package going to be updated
+    TInt value = 0;
+    const TInt err = iProperty.Get(value);
+    User::LeaveIfError(err);
+
+	iValue = value;
+
+    // observer callback
+    if (value)
+        {
+        iObserver.ShutdownNotification();
+        }
+    else
+        {
+        iObserver.RestartNotification();
+        }
+    }
+
+TInt CMDSShutdownObserver::RunError( TInt /*aError*/ )
+    {
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// CMDSShutdownObserver::DoCancel()
+// ---------------------------------------------------------------------------
+//
+void CMDSShutdownObserver::DoCancel()
+    {
+    iProperty.Cancel();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CMDSShutdownObserver::UpdateInProgress()
+// ---------------------------------------------------------------------------
+//
+TBool CMDSShutdownObserver::UpdateInProgress()
+    {
+    return iValue > 0 ? ETrue : EFalse;
+    }
+	
+// End of file