gecko/layout/generic/FrameChildList.cpp

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 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
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 *
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 * for the specific language governing rights and limitations under the
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 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is the Mozilla Foundation.
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 * Contributor(s):
 *   Mats Palmgren <matspal@gmail.com> (original author)
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 * 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"),
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#include "mozilla/layout/FrameChildList.h"

#include "nsIFrame.h"

namespace mozilla {
namespace layout {

FrameChildListIterator::FrameChildListIterator(const nsIFrame* aFrame)
  : FrameChildListArrayIterator(mLists)
{
  aFrame->GetChildLists(&mLists);
#ifdef DEBUG
  // Make sure that there are no duplicate list IDs.
  FrameChildListIDs ids;
  PRUint32 count = mLists.Length();
  for (PRUint32 i = 0; i < count; ++i) {
    NS_ASSERTION(!ids.Contains(mLists[i].mID),
                 "Duplicate item found!");
    ids |= mLists[i].mID;
  }
#endif
}

#ifdef DEBUG
const char*
ChildListName(FrameChildListID aListID)
{
  switch (aListID) {
    case kPrincipalList: return "";
    case kPopupList: return "PopupList";
    case kCaptionList: return "CaptionList";
    case kColGroupList: return "ColGroupList";
    case kSelectPopupList: return "SelectPopupList";
    case kAbsoluteList: return "AbsoluteList";
    case kFixedList: return "FixedList";
    case kOverflowList: return "OverflowList";
    case kOverflowContainersList: return "OverflowContainersList";
    case kExcessOverflowContainersList: return "ExcessOverflowContainersList";
    case kOverflowOutOfFlowList: return "OverflowOutOfFlowList";
    case kFloatList: return "FloatList";
    case kBulletList: return "BulletList";
    case kPushedFloatsList: return "PushedFloatsList";
    case kNoReflowPrincipalList: return "NoReflowPrincipalList";
  }

  NS_NOTREACHED("unknown list");
  return "UNKNOWN_FRAME_CHILD_LIST";
}
#endif

} // namespace layout
} // namespace mozilla