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/*
Copyright (C) 1998-99 Paul Barton-Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#ifndef __pbd_abstract_ui_h__
#define __pbd_abstract_ui_h__
#include <map>
#include <string>
#include <pthread.h>
#include <sigc++/sigc++.h>
#include <pbd/receiver.h>
#include <pbd/lockmonitor.h>
#include <pbd/ringbufferNPT.h>
#include <pbd/base_ui.h>
class Touchable;
template <class RequestObject>
class AbstractUI : public BaseUI
{
public:
AbstractUI (std::string name, bool with_signal_pipe);
virtual ~AbstractUI() {}
virtual bool caller_is_ui_thread() = 0;
void call_slot (sigc::slot<void> el_slot) {
RequestObject *req = get_request (BaseUI::CallSlot);
if (req == 0) {
return;
}
req->slot = el_slot;
send_request (req);
}
void register_thread (pthread_t, std::string);
void register_thread_with_request_count (pthread_t, std::string, uint32_t num_requests);
protected:
typedef RingBufferNPT<RequestObject> RequestBuffer;
typedef typename RequestBuffer::rw_vector RequestBufferVector;
typedef typename std::map<pthread_t,RequestBuffer*>::iterator RequestBufferMapIterator;
PBD::Lock request_buffer_map_lock;
typedef std::map<pthread_t,RequestBuffer*> RequestBufferMap;
RequestBufferMap request_buffers;
pthread_key_t thread_request_buffer_key;
RequestObject* get_request (RequestType);
void handle_ui_requests ();
void send_request (RequestObject *);
virtual void do_request (RequestObject *) = 0;
};
#endif /* __pbd_abstract_ui_h__ */
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