basiclocationinfodisplay/blid/ui/inc/MKeyProcessor.h
branchRCL_3
changeset 18 870918037e16
parent 0 522cd55cc3d7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/basiclocationinfodisplay/blid/ui/inc/MKeyProcessor.h	Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,62 @@
+/*
+* 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: 
+*     Interface which allows subscribers to consume key event or pass the event
+*     to other view class.
+*       
+*
+*/
+
+
+#ifndef MKEYPROCESSOR_H
+#define MKEYPROCESSOR_H
+
+// INCLUDES
+#include <w32std.h>
+
+// FORWARD DECLARATIONS
+class MAknTabObserver;
+
+// ===========================================================================
+// MKeyProcessor
+// ===========================================================================
+
+/**
+*	An interface a CCoeControl class can implement to forward the keyevents 
+*   before the actual control gets the key events. This is useful in 
+*   situations where the control consumes keys which you need.
+*/
+class MKeyProcessor
+    {
+    public:
+    /**
+     * process the keyevent befor it reaches the control
+     * @param aKeyEvent the event fired
+     * @param aType the type of event
+     * @return ETrue if key event was consumed, otherwise EFalse
+     */
+    virtual TBool ProcessKeyEventL( const TKeyEvent& aKeyEvent,
+                                    TEventCode aType ) = 0;
+
+	/**
+     * returns the pointer to MAknTabObserver interface
+     * @return pointer to the MAknTabObserver interface
+     */
+    virtual MAknTabObserver* TabObserver() = 0;
+    };
+
+            
+#endif //MKEYPROCESSOR_H
+
+// End of File