--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/inc/mesmrfieldevent.h	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,196 @@
+/*
+* Copyright (c) 2007-2009 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: This file defines class MESMRFieldEvent.
+*
+*/
+
+
+#ifndef MESMRFIELDEVENT_H
+#define MESMRFIELDEVENT_H
+
+
+#include <e32std.h>
+
+class MESMRFieldEventNotifier;
+class CESMRField;
+
+/**
+ *  Interface for field events
+ *
+ *  @lib esmrfieldbuildercommon.lib
+ */
+class MESMRFieldEvent
+    {
+
+public:
+
+    /**  Event types */
+    enum TEventType
+        {
+        /**
+         * Triggers command from field.
+         * @param Command value. TInt.
+         */
+        EESMRFieldCommandEvent = 0,
+        /**
+         * Notifies that field value has changed
+         * @param Field that has changed. TESMREntryFieldId as TInt.
+         * @param New field value. MESMRFieldEventValue*.
+         */
+        EESMRFieldChangeEvent
+        };
+
+    
+    /**
+     * Gets the event type.
+     *
+     * @return Event type from TEventType enumeration.
+     */
+    virtual TEventType Type() const = 0;
+    
+    /**
+     * Gets the event source.
+     * 
+     * @return pointer to the sender or NULL.
+     */
+    virtual MESMRFieldEventNotifier* Source() const = 0;
+    
+    /**
+     * Gets the event parameter count.
+     * 
+     * @return the parameter count.
+     */
+    virtual TInt ParamCount() const = 0;
+    
+    /**
+     * Gets the event parameter.
+     * 
+     * @param aIndex parameter index.
+     * @return the parameter.
+     */
+    virtual TAny* Param( TInt aIndex ) const = 0;
+
+    /**
+     * Destructor.
+     */
+    virtual ~MESMRFieldEvent() {}
+    };
+
+/**
+ *  Generic field event value interface.
+ *  
+ *  @lib esmrfieldbuildercommon.lib
+ */
+class MESMRFieldEventValue
+    {
+    
+public:
+    
+    /**
+     * Value type definition.
+     */
+    enum TValueType
+        {
+        /**
+         * TInt
+         */
+        EESMRInteger = 0,
+        /**
+         * TDesC16*. Not owned.
+         */
+        EESMRStringRef,
+        /**
+         * TDesC16*. Owned.
+         */
+        EESMRString,
+        /**
+         * TDesC8*. Not owned.
+         */
+        EESMRString8Ref,
+        /**
+         * TDesC8*. Owned.
+         */
+        EESMRString8,
+        /**
+         * CESMRField*. Not owned.
+         */
+        EESMRFieldRef,
+        /**
+         * MESMRFieldEventValue*. Owned.
+         */
+        EESMRFieldEventValue,
+        /**
+         * CBase*. Not owned.
+         */
+        EESMRCBaseRef,
+        /**
+         * CBase*. Owned.
+         */
+        EESMRCBase,
+        /**
+         * TTime.
+         */
+        EESMRTTime
+        };
+    
+    /**
+     * Destructor.
+     */
+    virtual ~MESMRFieldEventValue() {}
+
+    /**
+     * Gets the value type
+     */
+    virtual TValueType Type() const = 0;
+    
+    /**
+     * Gets the value.
+     */
+    virtual TAny* Value() const = 0;
+    
+    /**
+     * Gets the value as TInt.
+     */
+    virtual TInt IntValue() const = 0;
+    
+    /**
+     * Gets the value as TDesC16&.
+     */
+    virtual const TDesC& StringValue() const = 0;
+    
+    /**
+     * Gets the value as TDesC8&.
+     */
+    virtual const TDesC8& String8Value() const = 0;
+    
+    /**
+     * Gets the value as CESMRField&.
+     */
+    virtual const CESMRField& FieldValue() const = 0;
+    
+    /**
+     * Gets the value as CBase*.
+     */
+    virtual const CBase* CBaseValue() const = 0;
+    
+    /**
+     * Gets the value as TTime.
+     */
+    virtual TTime TimeValue() const = 0;
+
+    };
+
+
+
+#endif // MESMRFIELDEVENT_H