--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/menufwui/matrixmenu/inc/mmpropertysubscriber.h Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,85 @@
+/*
+* 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
+ *
+*/
+
+#ifndef MMPROPERTYSUBSCRIBER_H
+#define MMPROPERTYSUBSCRIBER_H
+
+#include <e32base.h> // For CActive, link against: euser.lib
+#include <e32property.h>
+// Observer for property change. Currently integer value supported
+class MMmPropertyChangeObserver
+ {
+public:
+ virtual void PropertyChangedL(TInt aValue)=0;
+ };
+
+/**
+* Subcribes property from P&S and listen property changes
+*
+* @lib xn3layoutengine.lib
+* @since Series 60 5.0
+*/
+NONSHARABLE_CLASS( CMmPropertySubscriber ) : public CActive
+ {
+public:
+ // Cancel and destroy
+ ~CMmPropertySubscriber();
+
+ /**
+ * Two-phased constructor.
+ * @param aUid P&S property category
+ * @param aKey P&S property key
+ * @param aObserver Given property change observer
+ */
+ static CMmPropertySubscriber* NewL(
+ const TUid aUid,
+ const TUint32 aKey,
+ MMmPropertyChangeObserver& aObserver);
+
+ /**
+ * Two-phased constructor.
+ * @param aUid P&S property category
+ * @param aKey P&S property key
+ * @param aObserver Given property change observer
+ */
+ static CMmPropertySubscriber* NewLC(
+ const TUid aUid,
+ const TUint32 aKey,
+ MMmPropertyChangeObserver& aObserver);
+
+private:
+ // C++ constructor
+ CMmPropertySubscriber(MMmPropertyChangeObserver& aObserver);
+
+ // Second-phase constructor
+ void ConstructL(const TUid aUid,const TUint32 aKey);
+
+private: // From CActive
+ // Handle completion
+ void RunL();
+
+ // How to cancel me
+ void DoCancel();
+
+private:
+ //Observer for property changes
+ MMmPropertyChangeObserver& iPropertyChangeObserver;
+ // Property to listen
+ RProperty iProperty;
+ };
+
+#endif // MMPROPERTYSUBSCRIBER_H