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+//===-- MICmdMgrSetCmdDeleteCallback.h --------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+//++
+// File: MICmdMgrSetCmdDeleteCallback.h
+//
+// Overview: ICallback interface.
+// CSetClients interface.
+//
+// Environment: Compilers: Visual C++ 12.
+// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
+// Libraries: See MIReadmetxt.
+//
+// Copyright: None.
+//--
+
+#pragma once
+
+// Third party headers:
+#include <set>
+
+// In-house headers:
+#include "MICmnBase.h"
+
+// Declarations:
+struct SMICmdData;
+
+namespace CMICmdMgrSetCmdDeleteCallback
+{
+
+//++ ============================================================================
+// Details: MI Command Manager interface for client call back.
+// Objects that want to be notified of a command being deleted
+// inherit this interface and register interest in command object
+// deletion. An object deleting a command must not do it itself but call
+// the Command Manager CmdDelete() function to delete a command object.
+// Gotchas: None.
+// Authors: Illya Rudkin 21/02/2014.
+// Changes: None.
+//--
+class ICallback
+{
+public:
+ virtual void Delete( SMICmdData & vCmd ) = 0;
+
+ /* dtor */ virtual ~ICallback( void ) {};
+};
+
+//++ ============================================================================
+// Details: MI Command Manager container for clients registered interest in command
+// objects being deleted. Objects register an interest so when a command
+// is to be deleted that object wanting the delete calls the Command
+// Manager to delete the command object. In so do all other registered
+// objects get called to about the deletion including the object wanting
+// to do the delete in the first place.
+// Gotchas: None.
+// Authors: Illya Rudkin 21/02/2014.
+// Changes: None.
+//--
+class CSetClients
+: public std::set< class ICallback * >
+, public CMICmnBase
+{
+// Methods:
+public:
+ /* ctor */ CSetClients( void );
+
+ bool Register( class ICallback & vObject );
+ bool Unregister( class ICallback & vObject );
+ void Delete( SMICmdData & vCmdData );
+
+// Overridden:
+public:
+ // From CMICmnBase
+ /* dtor */ virtual ~CSetClients( void );
+
+// Attributes:
+private:
+ bool m_bClientUnregistered; // True = yes while deleting a client unregistered, false = no client unregistered during deletion
+};
+
+} // namespace CMICmdMgrSetCmdDeleteCallback