/**
 * \file ControlForks.C
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * \author Angus Leeming
 *
 * Full author contact details are available in file CREDITS.
 */

#include <config.h>

#include "ControlForks.h"
#include "ViewBase.h"

#include "lyxfunc.h"
#include "funcrequest.h"

#include "support/forkedcontr.h"
#include "support/tostr.h"

#include <boost/bind.hpp>


using lyx::support::ForkedcallsController;

using std::string;
using std::vector;


ControlForks::ControlForks(LyXView & lv, Dialogs & d)
	: ControlDialogBI(lv, d)
{}


vector<pid_t> const ControlForks::getPIDs() const
{
	return ForkedcallsController::get().getPIDs();
}


string const ControlForks::getCommand(pid_t pid) const
{
	return ForkedcallsController::get().getCommand(pid);
}


void ControlForks::kill(pid_t pid)
{
	pids_.push_back(pid);
}


void ControlForks::apply()
{
	if (!bufferIsAvailable())
		return;

	view().apply();

	// Nothing to apply?
	if (pids_.empty())
		return;

	for (vector<pid_t>::const_iterator it = pids_.begin();
	     it != pids_.end(); ++it) {
		lyxfunc().dispatch(FuncRequest(LFUN_FORKS_KILL, tostr(*it)));
	}

	pids_.clear();
}


void ControlForks::setParams()
{
	if (childrenChanged_.connected())
		return;

	pids_.clear();

	ForkedcallsController & fcc = ForkedcallsController::get();
	childrenChanged_ =
		fcc.childrenChanged.connect(boost::bind(&ControlForks::update, this));
}


void ControlForks::clearParams()
{
	pids_.clear();
	childrenChanged_.disconnect();
}