/* Copyright (C) 2021 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. 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.
 *
 * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "precompiled.h"

#include "CProgressBar.h"

#include "gui/CGUI.h"

CProgressBar::CProgressBar(CGUI& pGUI)
	: IGUIObject(pGUI),
	  m_SpriteBackground(this, "sprite_background"),
	  m_SpriteBar(this, "sprite_bar"),
	  m_Progress(this, "progress") // Between 0 and 100.
{
}

CProgressBar::~CProgressBar()
{
}

void CProgressBar::HandleMessage(SGUIMessage& Message)
{
	IGUIObject::HandleMessage(Message);

	switch (Message.type)
	{
	case GUIM_SETTINGS_UPDATED:
		if (Message.value == "progress")
		{
			if (m_Progress > 100.f)
				m_Progress.Set(100.f, true);
			else if (m_Progress < 0.f)
				m_Progress.Set(0.f, true);
		}
		break;
	default:
		break;
	}
}

void CProgressBar::Draw(CCanvas2D& canvas)
{
	m_pGUI.DrawSprite(m_SpriteBackground, canvas, m_CachedActualSize);

	// Get size of bar (notice it is drawn slightly closer, to appear above the background)
	CRect size = m_CachedActualSize;
	size.right = size.left + m_CachedActualSize.GetWidth() * (m_Progress / 100.f),
	m_pGUI.DrawSprite(m_SpriteBar, canvas, size);
}