gecko-dev/layout/generic/FrameChildList.cpp

91 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mats Palmgren <matspal@gmail.com> (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 ***** */
#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