--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/stif/ConsoleUI/inc/CallBack.h Tue Feb 02 01:57:15 2010 +0200
@@ -0,0 +1,211 @@
+/*
+* 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: This file contains the header file of the CCallBack
+* class.
+*
+*/
+
+#ifndef CALLBACK_H
+#define CALLBACK_H
+
+// INCLUDES
+#include <e32base.h>
+
+// CONSTANTS
+// None
+
+// MACROS
+// None
+
+// DATA TYPES
+// None
+
+// FUNCTION PROTOTYPES
+// None
+
+// FORWARD DECLARATIONS
+// None
+
+// CLASS DECLARATION
+
+// DESCRIPTION
+// Simple class for callbacks.
+
+class CCallBack
+ :public CAsyncCallBack
+ {
+ public: // Enumerations
+
+ private: // Enumerations
+
+ public: // Constructors and destructor
+ /**
+ * C++ constructor.
+ */
+ CCallBack( TInt aPriority ):CAsyncCallBack( aPriority ) {}
+
+ /**
+ * C++ constructor.
+ */
+ CCallBack( TCallBack& aCallBack, TInt aPriority ):
+ CAsyncCallBack( aCallBack, aPriority ) {}
+
+ public: // New functions
+ /**
+ * Return reference to TRequestStatus member.
+ */
+ TRequestStatus& Status(){ return iStatus; }
+
+ /**
+ * Set CCallBack active.
+ */
+ void SetActive()
+ {
+ iStatus = KRequestPending;
+ CActive::SetActive();
+ };
+
+ public: // Functions from base classes
+
+ /**
+ *
+ */
+ void RunL(){ iCallBack.CallBack(); }
+
+ protected: // New functions
+
+ protected: // Functions from base classes
+
+ private:
+
+ public: // Data
+
+ protected: // Data
+
+ private: // Data
+
+ public: // Friend classes
+
+ protected: // Friend classes
+
+ private: // Friend classes
+
+ };
+
+
+template <class T>
+class CActiveCallback
+ :public CActive
+ {
+ public: // Enumerations
+
+ /**
+ * Callback function type definitions
+ */
+ typedef void (T::* TestFunction)();
+
+ private: // Enumerations
+
+ public: // Constructors and destructor
+ /**
+ * C++ constructor.
+ */
+ CActiveCallback ( T* aClass, TestFunction aFunction ) : CActive (EPriorityStandard)
+ {
+ iMethod = aFunction;
+ iClass = aClass;
+ iCompleted = EFalse;
+ }
+
+ public: // New functions
+ /**
+ * Return reference to TRequestStatus member.
+ */
+ TRequestStatus& Status(){ return iStatus; }
+
+ /**
+ * Set active object to active and return reference to TRequestStatus member
+ */
+ TRequestStatus& Activate()
+ {
+ iCompleted = EFalse;
+ SetActive();
+ return iStatus;
+ }
+
+ /**
+ * Is callback completed?
+ */
+ TBool isCompleted()
+ {
+ return iCompleted;
+ }
+
+ public: // Functions from base classes
+
+ /**
+ * Call the callback
+ */
+ void RunL()
+ {
+ iCompleted = ETrue;
+ if ( iMethod != NULL )
+ {
+ (iClass->*iMethod) ();
+ }
+ }
+
+ /**
+ * Just forward errors to framework
+ */
+ TInt RunError ( TInt aError )
+ {
+ return aError;
+ }
+
+ /**
+ * Cancel is not supported.
+ */
+ void DoCancel ()
+ {
+ }
+
+ protected: // New functions
+
+ protected: // Functions from base classes
+
+ private:
+
+
+
+ public: // Data
+
+ protected: // Data
+
+ private: // Data
+ TestFunction iMethod; // Pointer to method to be called
+ T* iClass; // Pointer to calls to be called
+ TBool iCompleted; // Is callback completed?
+
+ public: // Friend classes
+
+ protected: // Friend classes
+
+ private: // Friend classes
+
+ };
+
+#endif // CALLBACK_H
+
+// End of File