mediator/inc/Server/MediatorServerPluginHandler.h
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mediator/inc/Server/MediatorServerPluginHandler.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,151 @@
+/*
+* Copyright (c) 2005 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:  Resolves and loads ECom plugins into new threads.
+*
+*/
+
+#ifndef MEDIATORSERVERPLUGINHANDLER_H
+#define MEDIATORSERVERPLUGINHANDLER_H
+
+// INCLUDES
+#include <e32base.h>
+#include <ecom/ecom.h>
+
+// CLASS DECLARATION
+
+/**
+*  Plugin handler class for Mediator Server.
+*
+*  @lib MediatorServer
+*  @since S60 3.1
+*/
+class CMediatorServerPluginHandler : public CBase
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        */
+        static CMediatorServerPluginHandler* NewL();
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CMediatorServerPluginHandler();
+
+    public: // New functions
+        
+        /**
+        * Thread's entry point
+        * @since S60 3.1
+        * @param aParameter Pointer of parameter passed to thread
+        * @return Error code of thread creating
+        *         KErrNone if succesfully
+        */
+        static TInt ThreadEntryPoint( TAny* aParameter );
+
+        /**
+        * Starts the thread creating
+        * @since S60 3.1
+        * @param aMediatorPluginUid Implementation uid for Mediator plugin
+        * @param aThreadName Thread name
+        * @return None.
+        */
+        void StartThreadL( TUid aMediatorPluginUid );
+        
+        /**
+        * Loads plugins
+        * @since S60 3.1
+        * @param aPtr pointer to CIdle callback instance
+        * @return TInt indicating the status of the callback.
+        */
+        static TInt LoadPlugins( TAny* aPtr );
+        
+        /**
+        * Loads ECom plugins
+        * @since S60 3.1
+        * @param None.
+        * @return None.
+        */
+        void LoadPluginsL( );
+        
+        /**
+        * Returns count of plugins in this handler
+        * @since S60 3.1
+        * @param None.
+        * @return TInt plugin count.
+        */
+        TInt PluginCount() { return iPluginImplInfoArray.Count(); }
+
+    private:  // New functions
+        
+        /**
+        * Finds ECom interface implementations
+        * @since S60 3.1
+        * @param None.
+        * @return None.
+        */
+        void FindImplementationsL();
+        
+        /**
+        * Starts a new thread for given plugin
+        * @since S60 3.1
+        * @param aMediatorPluginUid UID for the plugin to be loaded
+        * @return None.
+        */
+        static void DoStartThreadL( TUid aMediatorPluginUid );
+        
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CMediatorServerPluginHandler();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+    private:    // Data
+        
+        /**
+        *  A class for passing parameter data for new plugin thread
+        *
+        *  @lib MediatorServer
+        *  @since S60 3.1
+        */
+        class TMediatorThreadParam
+            {
+            public:
+                // plugin uid
+                TUid iMediatorPluginUid;
+            };
+        
+        /**
+        * Implementation info of Mediator plugin instances.
+        */
+        RImplInfoPtrArray iPluginImplInfoArray;
+         
+        /**
+        * To detect idle time 
+        * Own.
+        */
+        CIdle* iIdle;
+        
+    };
+
+#endif      // MEDIATORSERVERPLUGINHANDLER_H   
+            
+// End of File