--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Client/src/Components/EffectBase/EffectControlBase.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2006 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:  Header of EffectControlBase class.
+*
+*/
+
+
+#ifndef C_CEFFECTCONTROLBASE_H
+#define C_CEFFECTCONTROLBASE_H
+
+#include <e32base.h>
+#include <mmfcontrollerframework.h>
+
+class MCustomCommand;
+
+namespace multimedia
+    {
+    class MStreamControl;
+    class MControlObserver;
+    class MEffectControl;
+    class CEffectControlBaseImpl;
+    
+    class CEffectControlBase
+        {
+    protected:
+        // Called by subclass
+        CEffectControlBase();
+        // Has to be called by subclass
+        void ConstructL( TUid aCIUid );
+        
+        // Returns ETrue if connected to Message Handler else EFalse
+        TBool IsConnected();
+        
+        // Returns KErrNone if it is already connected to message handler
+        // or connected to message handler successfully.
+        TInt Connect();
+              
+        // Used by sub-classes for sending custom commands to Message Handler
+        // Returns KErrNotReady if not connected
+        TInt CustomCommandSync( TInt aFunction,
+                                const TDesC8& aDataTo1,
+                                const TDesC8& aDataTo2,
+                                TDes8& aDataFrom);
+        
+        // Returns KErrNotReady if not connected
+        TInt CustomCommandSync( TInt aFunction,
+                                const TDesC8& aDataTo1,
+                                const TDesC8& aDataTo2);
+        
+        // Client is signalled with KErrNotReady if not connected
+        void CustomCommandAsync( TInt aFunction,
+                                 const TDesC8& aDataTo1,
+                                 const TDesC8& aDataTo2,
+                                 TDes8& aDataFrom,
+                                 TRequestStatus& aStatus);
+                                
+        // Client is signalled with KErrNotReady if not connected
+        void CustomCommandAsync( TInt aFunction,
+                                 const TDesC8& aDataTo1,
+                                 const TDesC8& aDataTo2,
+                                 TRequestStatus& aStatus);
+
+        // Used by sub-classes for sending custom commands to known destination
+        // This is intended for objects implementing custom commands who
+        // knows destination address
+        TInt CustomCommandSync( const TMMFMessageDestinationPckg& aDestination,
+                                TInt aFunction,
+                                const TDesC8& aDataTo1,
+                                const TDesC8& aDataTo2,
+                                TDes8& aDataFrom );
+        TInt CustomCommandSync( const TMMFMessageDestinationPckg& aDestination,
+                                TInt aFunction,
+                                const TDesC8& aDataTo1,
+                                const TDesC8& aDataTo2 );
+        void CustomCommandAsync( const TMMFMessageDestinationPckg& aDestination,
+                                 TInt aFunction,
+                                 const TDesC8& aDataTo1,
+                                 const TDesC8& aDataTo2,
+                                 TDes8& aDataFrom,
+                                 TRequestStatus& aStatus );
+        void CustomCommandAsync( const TMMFMessageDestinationPckg& aDestination,
+                                 TInt aFunction,
+                                 const TDesC8& aDataTo1,
+                                 const TDesC8& aDataTo2,
+                                 TRequestStatus& aStatus );
+		
+		TInt GetMessageHandle(TMMFMessageDestinationPckg &aPckg);
+		MCustomCommand* GetCustomCommand();
+		
+    public:
+        virtual ~CEffectControlBase();
+        // Called by Stream Control when Effect Control is added to it
+        TInt GetControlObserver( MControlObserver*& aObserver );
+        // Called by Stream Control when Effect Control is added to it
+        TInt AddedToStreamControl( MStreamControl& aStreamControl,
+                                   MCustomCommand& aCustomCommand,
+                                   MEffectControl& aEffect );
+        // Called by Stream Control when Effect Control is removed to it
+        TInt RemovedFromStreamControl( MStreamControl& aStreamControl );
+        // Called by Stream Control when it is deleted before removing Effect Control
+        void StreamControlDeleted( MStreamControl& aStreamControl );
+        // Returns KErrNone if it is not connected to message handler
+        // or disconnected from Message Handler successfully.
+        TInt Disconnect();
+    	
+    public:
+        enum TEffectControlEvent
+            {
+            ECIBuilderCreated,
+            EMessageHandlerDeleted
+            };
+    public:
+        // Handles effect control event. The derived class must implement to
+        // handle the event.
+        virtual void Event( TEffectControlEvent aEvent );
+        
+    private:
+        CEffectControlBaseImpl* iCEffectControlBaseImpl;
+        };
+    } // namespace multimedia
+
+#endif // C_CEFFECTCONTROLBASE_H
+
+// End of file