/*
   client/notifications.cc
   This file is part of the Osirion project and is distributed under
   the terms and conditions of the GNU General Public License version 2
*/

#include "client/notifications.h"
#include "core/application.h"
#include "ui/ui.h"

namespace client
{

const size_t NOTIFY_LOG_SIZE = 256;
const unsigned long NOTIFY_TIMEOUT = 7000; //timeout in microseconds

Notifications::Notifications(ui::Widget *parent) : ui::Widget(parent)
{
	set_label("notifications");
	set_border(false);

	notify_scrollpane = new ui::ScrollPane(this, notify_log);
	notify_scrollpane->set_border(false);
	notify_scrollpane->set_alignment(ui::AlignTop);
}

Notifications::~Notifications()
{
}

void Notifications::clear()
{
	notify_log.clear();
	notify_timestamp.clear();
}

void Notifications::event_text(const std::string & text)
{
	while (notify_log.size() >= NOTIFY_LOG_SIZE) {
		notify_log.pop_front();
		notify_timestamp.pop_front();
	}

	notify_log.push_back(text);
	notify_timestamp.push_back(core::application()->timestamp());
}

void Notifications::draw()
{
	Timestamps::iterator t = notify_timestamp.begin();
	while ((t != notify_timestamp.end()) && (core::application()->timestamp() > (*t) + NOTIFY_TIMEOUT)) {

		notify_log.pop_front();
		notify_timestamp.pop_front();

		t = notify_timestamp.begin();
	}

	const float padding = ui::UI::padding;
	math::Vector2f s(size());
	s[0] -= padding * 2;
	s[1] -= padding * 2;

	notify_scrollpane->set_location(padding, padding);
	notify_scrollpane->set_size(s.x(), s.y());

}


}