/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2013  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 **********************************************************************/

#include "iconhandler.h"
#include <QWidget>
#include <QLabel>
#include <QPainter>
#include <QStyleOption>
#include <QX11EmbedContainer>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QtDebug>
#include "traymodel.h"

namespace LeechCraft
{
namespace Mellonetray
{
	const int Dim = 32;

	IconHandler::IconHandler (QGraphicsItem *item)
	: QGraphicsWidget (item)
	, Proxy_ (0)
	, WID_ (0)
	{
		setFlag (QGraphicsItem::ItemSendsScenePositionChanges);
	}

	IconHandler::~IconHandler ()
	{
		Free ();
		delete Proxy_;
	}

	ulong IconHandler::GetWID () const
	{
		return WID_;
	}

	void IconHandler::SetWID (const ulong& wid)
	{
		if (wid == WID_)
			return;

		Free ();

		WID_ = wid;
		emit widChanged ();

		setGeometry (rect ());
	}

	void IconHandler::setGeometry (const QRectF& rect)
	{
		QGraphicsWidget::setGeometry (rect);

		if (!scene ())
			return;

		auto view = scene ()->views ().value (0);

		if (!Proxy_ && WID_)
		{
			Proxy_ = new QX11EmbedContainer (view);
			Proxy_->move (-1024, -1024);
			Proxy_->show ();
			Proxy_->embedClient (WID_);
		}

		if (Proxy_ && rect.width () * rect.height () > 0)
		{
			Proxy_->resize (rect.width (), rect.height ());
			Proxy_->move (scenePos ().toPoint ());
		}
	}

	QVariant IconHandler::itemChange (GraphicsItemChange change, const QVariant& value)
	{
		if (change == QGraphicsItem::ItemSceneHasChanged || change == QGraphicsItem::ItemScenePositionHasChanged)
			setGeometry (rect ());

		return QGraphicsWidget::itemChange (change, value);
	}

	void IconHandler::Free ()
	{
		if (Proxy_ && Proxy_->clientWinId ())
		{
			Proxy_->discardClient ();
			delete Proxy_;
		}
	}
}
}
