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/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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 nsHTMLReflowMetrics.cpp.
 *
 * The Initial Developer of the Original Code is the Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   L. David Baron <dbaron@dbaron.org>, Mozilla Corporation (original author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

/* struct containing the output from nsIFrame::Reflow */

#include "nsHTMLReflowMetrics.h"

void
nsOverflowAreas::UnionWith(const nsOverflowAreas& aOther)
{
  // FIXME: We should probably change scrollable overflow to use
  // UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
  NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
    mRects[otype].UnionRect(mRects[otype], aOther.mRects[otype]);
  }
}

void
nsOverflowAreas::UnionAllWith(const nsRect& aRect)
{
  // FIXME: We should probably change scrollable overflow to use
  // UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
  NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
    mRects[otype].UnionRect(mRects[otype], aRect);
  }
}

void
nsOverflowAreas::SetAllTo(const nsRect& aRect)
{
  NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
    mRects[otype] = aRect;
  }
}

void
nsHTMLReflowMetrics::SetOverflowAreasToDesiredBounds()
{
  NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
    mOverflowAreas.Overflow(otype).SetRect(0, 0, width, height);
  }
}

void
nsHTMLReflowMetrics::UnionOverflowAreasWithDesiredBounds()
{
  // FIXME: We should probably change scrollable overflow to use
  // UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
  nsRect rect(0, 0, width, height);
  NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
    nsRect& o = mOverflowAreas.Overflow(otype);
    o.UnionRect(o, rect);
  }
}