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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is Mozilla Communicator.
 * 
 * The Initial Developer of the Original Code is Netscape Communications
 * Corp.  Portions created by Netscape are Copyright (C) 1999 Netscape 
 * Communications Corp.  All Rights Reserved.
 * 
 * Contributor(s): 
 *   Patrick Beard
 */

#include "nsScriptableRegion.h"
#include "nsIRegion.h"
#include "nsCOMPtr.h"

nsScriptableRegion::nsScriptableRegion(nsIRegion* region) : mRegion(nsnull)
{
	mRegion = region;
	NS_IF_ADDREF(mRegion);
}

nsScriptableRegion::~nsScriptableRegion()
{
	NS_IF_RELEASE(mRegion);
}

NS_IMPL_ISUPPORTS1(nsScriptableRegion, nsIScriptableRegion)

NS_IMETHODIMP nsScriptableRegion::Init()
{
	return mRegion->Init();
}

NS_IMETHODIMP nsScriptableRegion::SetToRegion(nsIScriptableRegion *aRegion)
{
	nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
	mRegion->SetTo(*region);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::SetToRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
	mRegion->SetTo(aX, aY, aWidth, aHeight);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::IntersectRegion(nsIScriptableRegion *aRegion)
{
	nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
	mRegion->Intersect(*region);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::IntersectRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
	mRegion->Intersect(aX, aY, aWidth, aHeight);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::UnionRegion(nsIScriptableRegion *aRegion)
{
	nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
	mRegion->Union(*region);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::UnionRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
	mRegion->Union(aX, aY, aWidth, aHeight);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::SubtractRegion(nsIScriptableRegion *aRegion)
{
	nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
	mRegion->Subtract(*region);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::SubtractRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
	mRegion->Subtract(aX, aY, aWidth, aHeight);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::IsEmpty(PRBool *isEmpty)
{
	*isEmpty = mRegion->IsEmpty();
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::IsEqualRegion(nsIScriptableRegion *aRegion, PRBool *isEqual)
{
	nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
	*isEqual = mRegion->IsEqual(*region);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::GetBoundingBox(PRInt32 *aX, PRInt32 *aY, PRInt32 *aWidth, PRInt32 *aHeight)
{
	mRegion->GetBoundingBox(aX, aY, aWidth, aHeight);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::Offset(PRInt32 aXOffset, PRInt32 aYOffset)
{
	mRegion->Offset(aXOffset, aYOffset);
	return NS_OK;
}

NS_IMETHODIMP nsScriptableRegion::ContainsRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight, PRBool *containsRect)
{
	*containsRect = mRegion->ContainsRect(aX, aY, aWidth, aHeight);
	return NS_OK;
}


NS_IMETHODIMP nsScriptableRegion::GetRegion(nsIRegion** outRgn)
{
  *outRgn = mRegion;
  NS_IF_ADDREF(*outRgn);
  return NS_OK;
}