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