--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btui/Ecom/inc/BTUIRegistryWatcher.h Wed Sep 01 12:20:04 2010 +0100
@@ -0,0 +1,120 @@
+/*
+* Copyright (c) 2002 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: Declares Registry watcher class for BTUI.
+*
+*/
+
+
+#ifndef CBTUIREGISTRYWATCHERAO_H
+#define CBTUIREGISTRYWATCHERAO_H
+
+// INCLUDES
+
+#include <bt_subscribe.h>
+
+// CLASS DECLARATION
+
+/**
+* A callback interface for informing content change of BT Registry.
+*/
+class MBTUIRegistryObserver
+ {
+ public: // New functions
+
+ /**
+ * Informs the observer that contents of Registry has been changed.
+ * @param None.
+ * @return None.
+ */
+ virtual void RegistryContentChangedL()=0;
+ };
+
+
+// CLASS DECLARATION
+
+/**
+* An active object based class which can used to listen
+* Registry changes
+*/
+class CBTUIRegistryWatcherAO : public CActive
+ {
+ public: // Constructors and destructor
+
+ /**
+ * C++ default constructor.
+ */
+ CBTUIRegistryWatcherAO( MBTUIRegistryObserver* aParent );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CBTUIRegistryWatcherAO();
+
+ public: // New functions
+
+ /**
+ * Starts / continues Registry watching
+ *
+ * @param None.
+ * @return None.
+ */
+ void WatchL();
+
+ /**
+ * Starts / continues Registry watching
+ *
+ * @param None.
+ * @return None.
+ */
+ void StopWatching();
+
+ private: // Functions from base classes
+
+ /**
+ * From CActive Gets called when CActive::Cancel is called,
+ * cancels Registry watching.
+ *
+ * @param None.
+ * @return None.
+ */
+ void DoCancel();
+
+ /**
+ * From CActive Gets called when content of Registry is changed,
+ * calls MBTUIRegistryObserver::RegistryContentChangedL.
+ *
+ * @param None.
+ * @return None.
+ */
+ void RunL();
+
+ /**
+ * From CActive Handles a leave occurring in the request completion event.
+ *
+ * @param aError The leave code.
+ * @return Symbian OS error code.
+ */
+ TInt RunError(TInt aError);
+
+ private: // Data
+
+ // Reference to observer
+ MBTUIRegistryObserver* iParent;
+ // Database handle
+ RProperty iProperty;
+ };
+
+#endif
+
+// End of File