haiku/headers/os/app/MessageRunner.h

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//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: MessageRunner.h
// Author: Ingo Weinhold (bonefish@users.sf.net)
// Description: A BMessageRunner periodically sends a message to a
// specified target.
//------------------------------------------------------------------------------
#ifndef _MESSAGE_RUNNER_H
#define _MESSAGE_RUNNER_H
#include <Messenger.h>
class BMessageRunner {
public:
BMessageRunner(BMessenger target, const BMessage *message,
bigtime_t interval, int32 count = -1);
BMessageRunner(BMessenger target, const BMessage *message,
bigtime_t interval, int32 count, BMessenger replyTo);
virtual ~BMessageRunner();
status_t InitCheck() const;
status_t SetInterval(bigtime_t interval);
status_t SetCount(int32 count);
status_t GetInfo(bigtime_t *interval, int32 *count) const;
private:
BMessageRunner(const BMessageRunner &);
BMessageRunner &operator=(const BMessageRunner &);
void InitData(BMessenger target, const BMessage *message,
bigtime_t interval, int32 count, BMessenger replyTo);
status_t SetParams(bool resetInterval, bigtime_t interval, bool resetCount,
int32 count);
virtual void _ReservedMessageRunner1();
virtual void _ReservedMessageRunner2();
virtual void _ReservedMessageRunner3();
virtual void _ReservedMessageRunner4();
virtual void _ReservedMessageRunner5();
virtual void _ReservedMessageRunner6();
int32 fToken;
uint32 _reserved[6];
};
#endif // _MESSAGE_RUNNER_H