* Copyright 2001-2005, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Frans van Nispen (xlr8@tref.nl)
*/
#ifndef _INVOKER_H
#define _INVOKER_H
#include <BeBuild.h>
#include <Messenger.h>
class BHandler;
class BLooper;
class BMessage;
class BInvoker {
public:
BInvoker();
BInvoker(BMessage* message,
const BHandler* handler,
const BLooper* looper = NULL);
BInvoker(BMessage* message, BMessenger target);
virtual ~BInvoker();
virtual status_t SetMessage(BMessage* message);
BMessage* Message() const;
uint32 Command() const;
virtual status_t SetTarget(const BHandler* handler,
const BLooper* looper = NULL);
virtual status_t SetTarget(BMessenger messenger);
bool IsTargetLocal() const;
BHandler* Target(BLooper** _looper = NULL) const;
BMessenger Messenger() const;
virtual status_t SetHandlerForReply(BHandler* handler);
BHandler* HandlerForReply() const;
virtual status_t Invoke(BMessage* message = NULL);
status_t InvokeNotify(BMessage* message,
uint32 kind = B_CONTROL_INVOKED);
status_t SetTimeout(bigtime_t timeout);
bigtime_t Timeout() const;
protected:
uint32 InvokeKind(bool* _notify = NULL);
void BeginInvokeNotify(
uint32 kind = B_CONTROL_INVOKED);
void EndInvokeNotify();
private:
virtual void _ReservedInvoker1();
virtual void _ReservedInvoker2();
virtual void _ReservedInvoker3();
BInvoker(const BInvoker&);
BInvoker& operator=(const BInvoker&);
BMessage* fMessage;
BMessenger fMessenger;
BHandler* fReplyTo;
bigtime_t fTimeout;
uint32 fNotifyKind;
uint32 _reserved[1];
};
#endif
