#include "toonz/logger.h"

Logger::Logger()

{

}

Logger *Logger::instance()

{

	static Logger _instance;

	return &_instance;

}

void Logger::add(std::wstring s)

{

	m_rows.push_back(s);

	for (int i = 0; i < (int)m_listeners.size(); i++)

		m_listeners[i]->onAdd();

}

void Logger::clear()

{

	m_rows.clear();

}

int Logger::getRowCount() const

{

	return m_rows.size();

}

std::wstring Logger::getRow(int i) const

{

	if (0 <= i && i < (int)m_rows.size())

		return m_rows[i];

	else

		return L"";

}

void Logger::addListener(Listener *listener)

{

	if (std::find(m_listeners.begin(), m_listeners.end(), listener) == m_listeners.end())

		m_listeners.push_back(listener);

}

void Logger::removeListener(Listener *listener)

{

	m_listeners.erase(

		std::remove(m_listeners.begin(), m_listeners.end(), listener),

		m_listeners.end());

}