diff -r d27dfa8884ad -r da2cedce4920 piprofiler/piprofiler_plat/inc/WriterPluginInterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piprofiler/piprofiler_plat/inc/WriterPluginInterface.h	Tue May 25 14:22:58 2010 +0300
@@ -0,0 +1,174 @@
+/*
+* Copyright (c) 2009 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:  
+*
+*/
+
+
+#ifndef __WRITERPLUGIN_INTERFACE__
+#define __WRITERPLUGIN_INTERFACE__
+
+#include <e32base.h>
+#include <ecom/ecom.h>
+#include <badesca.h>
+
+
+// Constant for indexing (iOrder):
+const TInt KWriterPluginNotIndexed      = -1;
+
+/**
+ * Constant:    KWriterPluginInterfaceUid
+ *
+ * Description: UID of this ECOM interface. It should be unique in the system.
+ *              It is used to identify this specific custom interface.
+ *              Implementations of this interface will use this ID, when they
+ *              publish the implementation. Clients use this UID to search for
+ *              implementations for this interface (the
+ *              EcomInterfaceDefinition.inl does this).
+ */
+const TUid KWriterPluginInterfaceUid = {0x2001E5BD};
+
+/**
+* Used by GetValue(). These are the keys for retrieving a specific
+* value. This enum can be extended to provide other values as well as
+* long as the original keys are not changed.
+*/
+enum TWriterPluginValueKeys
+    {
+    EWriterPluginKeySettingsItemValueString = 1,
+    EWriterPluginSettings,
+    EWriterPluginEnabled,
+    EWriterPluginDisabled,
+    EWriterPluginType,
+    EWriterPluginVersion
+    };
+/**
+ *
+ * Description: UID of this ECOM interface. It should be unique in the system.
+ *
+ */
+    
+/**
+ * Class:       CWriterInterfaceDefinition
+ *
+ * Description: Custom ECOM interface definition. This interface is used by
+ *              clients to find specific instance and do corresponding
+ *              calculation operation for given too numbers. Plugin
+ *              implementations implement the Calculate function.
+ */
+
+class CProfilerSampleStream;
+
+class CWriterPluginInterface : public CBase
+    {
+
+    // CSamplerPluginLoader accesses iOrder which should not be accessed outside.
+    friend class CWriterPluginLoader;
+
+public: // Wrapper functions to handle ECOM "connectivity".
+        // These are implemented in EComInterfaceDefinition.inl.
+        // These functions are used only by the client.
+    /**
+     * Function:   NewL
+     *
+     * Description: Wraps ECom object instantitation. Will search for
+     *              interface implementation, which matches to given
+     *              aOperationName.
+     *
+     * Param:       aOperationName name of requested implementation.
+     *              Implementations advertise their "name" as specified
+     *              in their resource file field
+     *                 IMPLEMENTATION_INFO::default_data.
+     *              For details, see EcomInterfaceDefinition.inl comments.
+     *              In this example, the allowed values are "sum" and
+     *              "multiply".
+     *
+     * Note:        This is not a "normal" NewL method, since normally NewL
+     *              methods are only defined for concrete classes.
+     *              Note that also implementations of this interface provide
+     *              NewL methods. They are the familiar NewL's, which create
+     *              instance of classes.
+     */
+    static CWriterPluginInterface* NewL(const TUid aImplementationUid, TAny* aInitParams);
+
+    /**
+     * Function:   ~CWriterPluginInterface
+     *
+     * Description: Wraps ECom object destruction. Notifies the ECOM
+     *              framework that specific instance is being destroyed.
+     *              See EcomInterfaceDefinition.inl for details.
+     */
+    virtual ~CWriterPluginInterface();
+protected: // New
+
+        /**
+        * C++ constructor.
+        */
+        CWriterPluginInterface();
+       
+public: 
+     /**
+      * Method for getting caption of this plugin. This should be the
+      * localized name of the settings view to be shown in parent view.
+      *
+      * @param aCaption pointer to Caption variable
+      */
+	 virtual TInt 	Start() = 0;
+	 
+	 virtual void 	Stop() = 0;
+
+	 virtual TUid 	Id() const = 0;
+	 
+	 virtual void 	GetValue( const TWriterPluginValueKeys aKey, TDes& aValue ) = 0;
+	 
+	 virtual void 	SetValue( const TWriterPluginValueKeys aKey, TDes& aValue ) = 0;
+	
+	 virtual void 	GetWriterVersion(TDes* aDes) = 0;
+
+	 virtual TUint32 GetWriterType() = 0;
+
+	 virtual TBool GetEnabled() = 0;
+
+     virtual void   WriteData() = 0;
+     virtual void   SetStream( CProfilerSampleStream& aStream ) = 0;
+     
+	 // internal inline functions
+	 inline static void ListAllImplementationsL( RImplInfoPtrArray& aImplInfoArray );
+     inline void    SetOrder( TInt aOrder );
+     
+private:
+
+    /** iDtor_ID_Key Instance identifier key. When instance of an
+    * implementation is created by ECOM framework, the
+    * framework will assign UID for it. The UID is used in
+    * destructor to notify framework that this instance is
+    * being destroyed and resources can be released.
+    */
+    TUid iDtor_ID_Key;
+    
+    /**
+    * Index of the plugin in listbox. Used for CSamplerPluginLoader. Default
+    * value is KSamplerPluginNotIndexed which means not ordered. This value is
+    * read, if defined, from the opaque_data field of the plugin's resource
+    * definition. Index starts from 0.
+    */
+    TInt iOrder;
+public:
+	TInt	                      iAdditionalSettings;	
+	TBool                         isEnabled;
+    };
+
+#include <piprofiler/WriterPluginInterface.inl>
+
+#endif // __WRITERPLUGIN_INTERFACE__