--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wlanutilities/wlansniffer/model/src/wsfscreensaverwatcher.cpp Thu Dec 17 09:20:28 2009 +0200
@@ -0,0 +1,140 @@
+/*
+* 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 CWsfScreenSaverWatcher
+*
+*/
+
+
+// EXTERNAL INCLUDES
+#include <e32cmn.h>
+#include <ScreensaverInternalPSKeys.h>
+
+// CLASS HEADER
+#include "wsfscreensaverwatcher.h"
+
+// INTERNAL INCLUDES
+#include "wsfscreensaverstateobserver.h"
+
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::NewL
+// ----------------------------------------------------------------------------
+//
+CWsfScreenSaverWatcher* CWsfScreenSaverWatcher::NewL(
+ MWsfScreenSaverStateObserver& aObserver )
+ {
+ CWsfScreenSaverWatcher* thisPtr = NewLC( aObserver );
+ CleanupStack::Pop( thisPtr );
+ return thisPtr;
+ }
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::NewLC
+// ----------------------------------------------------------------------------
+//
+CWsfScreenSaverWatcher* CWsfScreenSaverWatcher::NewLC(
+ MWsfScreenSaverStateObserver& aObserver )
+ {
+ CWsfScreenSaverWatcher* thisPtr = new ( ELeave ) CWsfScreenSaverWatcher(
+ aObserver );
+ CleanupStack::PushL( thisPtr );
+ thisPtr->ConstructL();
+ return thisPtr;
+ }
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::~CWsfScreenSaverWatcher
+// ----------------------------------------------------------------------------
+//
+CWsfScreenSaverWatcher::~CWsfScreenSaverWatcher()
+ {
+ Cancel();
+ iProperty.Close();
+ }
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::CWsfScreenSaverWatcher
+// ----------------------------------------------------------------------------
+//
+CWsfScreenSaverWatcher::CWsfScreenSaverWatcher(
+ MWsfScreenSaverStateObserver& aObserver ):
+ CActive( EPriorityStandard ),
+ iObserver( &aObserver )
+ {
+ }
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::ConstructL
+// ----------------------------------------------------------------------------
+//
+void CWsfScreenSaverWatcher::ConstructL()
+ {
+ User::LeaveIfError( iProperty.Attach( KPSUidScreenSaver,
+ KScreenSaverOn ) );
+ CActiveScheduler::Add( this );
+ }
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::RunL
+// ----------------------------------------------------------------------------
+//
+void CWsfScreenSaverWatcher::RunL()
+ {
+ // read the value of property
+ TBool screenSaverActive( EFalse );
+ iProperty.Get( screenSaverActive );
+ iObserver->ScreenSaverStatusChangedL( screenSaverActive );
+ // reissue the request
+ StartStatusScanning();
+ }
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::DoCancel
+// ----------------------------------------------------------------------------
+//
+void CWsfScreenSaverWatcher::DoCancel()
+ {
+ iProperty.Cancel();
+ }
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::StartStatusScanning
+// ----------------------------------------------------------------------------
+//
+void CWsfScreenSaverWatcher::StartStatusScanning()
+ {
+ iProperty.Subscribe( iStatus );
+ SetActive();
+ }
+
+
+// ----------------------------------------------------------------------------
+// CWsfScreenSaverWatcher::RunError
+// ----------------------------------------------------------------------------
+//
+TInt CWsfScreenSaverWatcher::RunError( TInt /*aError*/ )
+ {
+ // issue the request so we will continue to receive
+ // state change notifications
+ StartStatusScanning();
+ return KErrNone;
+ }