upnpframework/upnpcommand/inc/upnpcommand.h
changeset 0 7f85d04be362
child 38 5360b7ddc251
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpframework/upnpcommand/inc/upnpcommand.h	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,189 @@
+/*
+* Copyright (c) 2008 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:  UpnpCommand plugin interface
+*
+*/
+
+
+#ifndef UPNP_COMMAND_H
+#define UPNP_COMMAND_H
+
+// INCLUDES
+#include <ecom/ecom.h>                       // REComSession
+#include <e32std.h>                     // RLibrary
+#include "upnpcommandcons.h"
+
+// FORWARD DECLARATION
+class MUpnpCommandCallback;
+
+// CONSTANTS
+
+
+// CLASS DEFINITION
+
+/**
+* UpnpCommand ECom plugin interface definition.
+*/
+class CUpnpCommand : public CBase
+    {
+    public: // constructing / destructing
+
+        /**
+         * the DtorKey offset
+         * to pass in REComSession::CreateImplementationL
+         */
+        static inline TInt32 DtorKeyOffset()
+            {
+            return _FOFF( CUpnpCommand, iDtor_ID_Key );
+            }
+
+        /**
+         * Sets the command identity.
+         *
+         * @param aCommandId (UpnpCommand::TUpnpCommandId) the command ID
+         */
+        virtual void SetCommandIdL(
+            UpnpCommand::TUpnpCommandId aCommandId ) = 0;
+
+        /**
+         * Sets the observer.
+         *
+         * @param aCallback The callback interface
+         */
+        virtual void SetObserver( MUpnpCommandCallback* aCallback ) = 0;
+
+        /**
+         * Destructor.
+         */
+        virtual ~CUpnpCommand();
+
+    public: // Method for querying the availablity
+
+        /**
+         * Checks if this command is available for execution.
+         *
+         * @return ETrue if command is available and can be executed
+         */
+        virtual TBool IsAvailableL() = 0;
+
+        /**
+         * Checks if given command is available for execution.
+         *
+         * @param aCommandId (UpnpCommand::TUpnpCommandId) the command ID
+         * @return ETrue if command is available and can be executed
+         */
+        virtual TBool IsAvailableL( UpnpCommand::TUpnpCommandId aCommandId ) = 0;
+
+    public: // Business logic methods
+
+        /**
+         * Allocates the Upnp Framework resources.
+         */
+        virtual void AllocateResourcesL() = 0;
+
+        /**
+         * Releases the Upnp Framework resources. Stops command execution if
+         * it is ongoing.
+         */
+        virtual void ReleaseResources() = 0;
+
+        /**
+         * Executes the command. If Upnp Framework resources are not yet
+         * allocated, they are allocated.
+         */
+        virtual void ExecuteL() = 0;
+
+        /**
+         * Sets a parameter.
+         *
+         * Leaves if the given param type or value is not valid.
+         *
+         * @param aParamType parameter category
+         * @param aParamValue (const TDesC&) parameter value
+         */
+        virtual void SetParameterL(
+                                UpnpCommand::TUpnpParameterType aParamType,
+                                const TDesC& aParamValue ) = 0;
+
+        /**
+         * Returns a parameter, either set by client or returned
+         * as an out parameter after command execution
+         *
+         * @param aParamType (UpnpCommand::TUpnpParameterType)
+         * @return value of the parameter
+         */
+        virtual const TDesC& Parameter(
+            UpnpCommand::TUpnpParameterType aParamType ) = 0;
+
+        /**
+         * Resets all parameter values
+         */
+        virtual void ResetParameters() = 0;
+
+        /**
+         * Pushes one file into the file pipe.
+         *
+         * @param aParamvalue (const TDesC&) parameter value
+         */
+        virtual void PushFileL( const TDesC& aParam ) = 0;
+
+        /**
+         * number of files in the file pipe
+         *
+         * @return number of files in the pipe
+         */
+        virtual TInt FileCount() = 0;
+
+        /**
+         * Returns a file in the file pipe
+         *
+         * @param aIndex index of the file in pipe
+         * @return the file reference
+         */
+        virtual const TDesC& File( TInt aIndex ) = 0;
+
+        /**
+         * Resets files in the file pipe
+         */
+        virtual void ResetFiles() = 0;
+
+        /**
+         * Returns the state of the command
+         *
+         * @return UpnpCommand::TUpnpCommandState the state
+         */
+        virtual UpnpCommand::TUpnpCommandState State() = 0;
+
+    private: // Private data members
+
+        /**
+         * ECom instance identifier key.
+         */
+        TUid iDtor_ID_Key;
+
+    };
+
+
+// --------------------------------------------------------------------------
+// Destructor.
+// --------------------------------------------------------------------------
+//
+inline CUpnpCommand::~CUpnpCommand()
+    {
+    REComSession::DestroyedImplementation( iDtor_ID_Key );
+    }
+
+#endif // UPNP_COMMAND_H
+
+// End of File