--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/hti_plat/hti_api/inc/HtiServicePluginInterface.h Tue Feb 02 01:57:15 2010 +0200
@@ -0,0 +1,115 @@
+/*
+* 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: Interface defenition for HTI services
+*
+*/
+
+
+#ifndef SERVICEPLUGININTERFACE_H__
+#define SERVICEPLUGININTERFACE_H__
+
+#include <ecom/ecom.h>
+
+#include <HtiDispatcherInterface.h>
+
+const TUid KHTIServiceInterfaceUid = {0x1020DEB7};
+
+
+class CHTIServicePluginInterface : public CBase, public MHtiMemoryObserver
+ {
+public: //ECom specific methods (implemented as inline)
+
+ /**
+ * Wraps ECom object instantitation
+ * plug-in loaded by its UID
+ *
+ * @param aUID service plugin implementation UDI
+ */
+ static CHTIServicePluginInterface* NewL(const TUid aUID);
+
+ /**
+ * Wraps ECom object instantitation
+ * default resovler is used
+ *
+ * @param aMatchString service plugin name
+ */
+ static CHTIServicePluginInterface* NewL(const TDesC8& aMatchString);
+
+ /**
+ * Wraps ECom object destruction
+ */
+ virtual ~CHTIServicePluginInterface();
+
+public: //Comm plugin interface methods
+
+ /**
+ * This method is called by framework after the plugin was loaded and
+ * iDispatcher set.
+ */
+ virtual void InitL(){};
+
+ /**
+ * Result indicates eiterh plug-in is able to process request
+ * (e.g. a plug-in doesn't have an outstanding request to async service).
+ * Framework calls this method before calling ProcessMessageL().
+ * If plug-in is busy, request will be dispatched later.
+ * Typically, AO's CActive::IsActive() can be used
+ * in a overriden implementation.
+ * Default implementation returns EFalse.
+ */
+ virtual TBool IsBusy();
+
+ /**
+ * Interface service
+ * implementation of service, should return ASAP.
+ * aMessage contan is service specific.
+ *
+ * @param aMessage message body destinated to a servive
+ * @param aPriority message priority
+ */
+ virtual void ProcessMessageL(const TDesC8& aMessage,
+ THtiMessagePriority aPriority) = 0;
+
+ virtual void Error(TInt /*aErrorCode*/, const TDesC8& /*aErrorDescription*/){};
+
+ /**
+ * Set dispatcher that used by services to send messages.
+ *
+ */
+ virtual void SetDispatcher(MHtiDispatcher* aDispatcher);
+
+public: //from MHtiMemoryObserver
+ /**
+ * Empty implementation.
+ */
+ virtual void NotifyMemoryChange(TInt /*aAvailableMemory*/){};
+
+protected:
+ /**
+ * Pointer to a dispatcher. It is not availble during construction.
+ * If it should be used before starting process messages, InitL()
+ * must be overriden.
+ */
+ MHtiDispatcher* iDispatcher;
+
+private:
+ /**
+ * Instance identifier key
+ */
+ TUid iDtor_ID_Key;
+ };
+
+#include <HTIServicePluginInterface.inl>
+
+#endif