event_dispatcher_register_handler.c 1.79 KB
/**
 * \file
 *
 * \author	Georg Hopp
 *
 * \copyright
 * Copyright © 2012  Georg Hopp
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include "trbase.h"
#include "trdata.h"

#include "tr/event_dispatcher.h"
#include "tr/event_handler.h"

static
void
doRegister(const void * _node, const void * data)
{
	TR_HashValue       node            = (TR_HashValue)_node;
	TR_EventDispatcher dispatcher      = ((void **)data)[0];
	TR_EventHandler    current_handler = ((void **)data)[1];
	TR_HashValue       handler_queue_hv;
	TR_Queue           handler_queue;

	handler_queue_hv = TR_hashGetByVal(dispatcher->handler, node->hash);

	if (handler_queue_hv) {
		handler_queue = (TR_Queue)handler_queue_hv->value;
	} else { 
		handler_queue            = TR_new(TR_Queue);
		handler_queue->free_msgs = 0;
		TR_hashAdd(
				dispatcher->handler,
				TR_new(TR_HashValue, node->key, node->nkey, handler_queue, sizeof(TR_Queue)));
	}

	TR_queuePut(handler_queue, current_handler);
}

void
TR_eventDispatcherRegisterHandler(TR_EventDispatcher this, TR_EventHandler handler)
{
	void * cb_data[] = { this, handler };

	TR_hashEach(handler->event_methods, cb_data, doRegister);
	TR_eventHandlerSetDispatcher(handler, this);
}

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