--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/menufwui/matrixmenu/src/mmpropertysubscriber.cpp Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,97 @@
+/*
+* 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: Subscribes properties from P&S
+ *
+*/
+
+
+#include "mmpropertysubscriber.h"
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+CMmPropertySubscriber::CMmPropertySubscriber(MMmPropertyChangeObserver& aObserver)
+ : CActive( EPriorityStandard ),
+ iPropertyChangeObserver(aObserver)
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+CMmPropertySubscriber* CMmPropertySubscriber::NewLC(
+ const TUid aUid,
+ const TUint32 aKey,
+ MMmPropertyChangeObserver& aObserver)
+ {
+ CMmPropertySubscriber* self = new ( ELeave ) CMmPropertySubscriber(aObserver);
+ CleanupStack::PushL(self);
+ self->ConstructL(aUid,aKey);
+ return self;
+ }
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+CMmPropertySubscriber* CMmPropertySubscriber::NewL(
+ const TUid aUid,
+ const TUint32 aKey,
+ MMmPropertyChangeObserver& aObserver)
+ {
+ CMmPropertySubscriber* self = CMmPropertySubscriber::NewLC(aUid,aKey,aObserver);
+ CleanupStack::Pop(); // self;
+ return self;
+ }
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+void CMmPropertySubscriber::ConstructL(
+ const TUid aUid,
+ const TUint32 aKey)
+ {
+ User::LeaveIfError( iProperty.Attach( aUid, aKey ) );
+ CActiveScheduler::Add( this); // Add to scheduler
+ // initial subscription and process current property value
+ RunL();
+ }
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+CMmPropertySubscriber::~CMmPropertySubscriber()
+ {
+ Cancel(); // Cancel any request, if outstanding
+ iProperty.Close();
+ }
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+void CMmPropertySubscriber::DoCancel()
+ {
+ iProperty.Close();
+ }
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+void CMmPropertySubscriber::RunL()
+ {
+ // resubscribe before processing new value to prevent missing updates
+ iProperty.Subscribe( iStatus );
+ SetActive();
+
+ TInt intValue;
+ if( iProperty.Get( intValue ) != KErrNotFound )
+ {
+ iPropertyChangeObserver.PropertyChangedL(intValue);
+ }
+ }
+