--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/menufwui/mmextensions/mmextensionmanager/inc/mmecomobserver.h Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,131 @@
+/*
+* Copyright (c) 2007 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: Menu Framewrok ECom observer
+*
+*/
+
+#ifndef C_ECOM_OBSERVER_H
+#define C_ECOM_OBSERVER_H
+
+#include <e32base.h> // For CActive, link against: euser.lib
+#include <e32std.h> // For RTimer, link against: euser.lib
+
+class REComSession;
+
+/**
+ * Class defining callback interface.
+ */
+
+/**
+ * MHNEcomInstallNotifierCallback is an interface contains function
+ * executed when ECom plugin have changed. Interface is used by all
+ * ECom observer implementations.
+ *
+ * @since S60 5.0
+ * @ingroup group_mmextensions
+ */
+class MHNEcomInstallNotifierCallback
+ {
+public:
+
+ /**
+ * Refreshes list of MultimediaMenu plugins implementations.
+ */
+ virtual void EcomChangedL() = 0;
+ };
+
+/**
+ * Class for observing ECom server
+ */
+
+/**
+ * CMMEcomObserver is a class represents ECom plugin. Class is
+ * derived by all ECom plugin implemetations. Implementation
+ * contains basic functionality related with ECom mechanism and
+ * notification handling.
+ *
+ * @since S60 5.0
+ * @ingroup group_mmextensions
+ */
+NONSHARABLE_CLASS( CMMEcomObserver ) : public CActive
+ {
+public:
+ /**
+ * Cancel and destroy.
+ */
+ ~CMMEcomObserver();
+
+ /**
+ * Two-phased constructor.
+ * @param aCallback Pointer to ECom plugin callback.
+ * @return Instance of the CMMEcomObserver class.
+ */
+ static CMMEcomObserver* NewL( MHNEcomInstallNotifierCallback* aCallback );
+
+ /**
+ * Two-phased constructor.
+ * @param aCallback Pointer to ECom plugin callback.
+ * @return Instance of the CMMEcomObserver class.
+ */
+ static CMMEcomObserver* NewLC( MHNEcomInstallNotifierCallback* aCallback );
+
+private:
+ /**
+ * Default C++ constructor.
+ */
+ CMMEcomObserver();
+
+ /**
+ * Second-phase constructor.
+ * @param aCallback Pointer to ECom plugin callback.
+ */
+ void ConstructL( MHNEcomInstallNotifierCallback* aCallback );
+
+private:
+
+ /**
+ * From CActive. Handles completion.
+ */
+ void RunL();
+
+ /**
+ * Cancels active object.
+ */
+ void DoCancel();
+
+ /**
+ * Override to handle leaves from RunL(). Default implementation causes
+ * the active scheduler to panic.
+ * @param aError Currently error status.
+ * @return Error code.
+ */
+ TInt RunError( TInt aError );
+
+private:
+
+ /**
+ * ECom handler
+ * Own.
+ */
+ REComSession* iSession;
+
+ /**
+ * Callback pointer.
+ * Not own.
+ */
+ MHNEcomInstallNotifierCallback* iCallback;
+
+ };
+
+#endif // C_ECOM_OBSERVER_H